The driest and warmest months of the year are December through April. The second rainy period lasts from September to November, giving way to the transition into the dry season. The amount of rainfall in Costa Rica does fluctuate fairly drastically. In fact, there is a chance you won't have any ran at all! It will be an opportunity to discover the various festivities with the complicity of a climate throughout December in Costa Rica that is characterized by beautiful sunny days thanks to the regression of temperatures and rain. July and August are popular travel times … Precipitation in Costa Rica averaged 249.76 mm from 1901 until 2015, reaching an all time high of 733.36 mm in July of 1905 and a record low of 13.06 mm in March of 1926. In winter, there is much less rainfall than in summer. With an average sea temperature of 27.7°C (81.9°F), November is the month with the coldest seawater. March and April, with an average high-temperature of 32°C (89.6°F), are the warmest months. A lot of rain (rainy season) falls in the month of: May, June, July, August, September and October. So, how does Costa Rica define “occasional”? In Jaco, during April, the rain falls for 8 days and regularly aggregates up to 93mm (3.7") of precipitation. Rainfall & temperature chart by region; Should I rent a car? Table of Contents. Annual Humidity for Costa Rica The most humid month in Costa Rica is June with a dew point (an indicator of humidity) of 24° which is very uncomfortable and fairly oppressive unless you are on a beach. First things first, there are two tropical seasons in Costa Rica: dry season and green season. The wettest month is September with an average of 240mm of rain.. Average Temperature: San Jose October Rainfall in Costa Rica. The rainy season runs from May to November, and the wettest months are September and October, with around 300 millimeters (12 inches) per month. Exceptions to the rule: Arenal, where March is still rainy season. This month should be avoided if you … A combination of hot summer temperatures and high coastal humidity, make for oppressive conditions at times. Climate Overview. Tropical sunshine, Pacific trade wind breezes and cool misty mountains are just a part of Costa Rica's temperate tropical climate. December through April is the dry season. We’re close to the equator, which means we get 12+ hours of sunshine all year long: the sun rises and sets at the same time every day (around 5:45 a.m. and 5:45-6:30 p.m., year-round). You never really know because it is different every year, but especially later in the month, you might deal with the occasional afternoon thunderstorm. The wettest month in Guanacaste Region is October with 24.9cm of rain and the most days of rain with 20.1 days with some rain, a very wet time to visit the beach. Geographical location. Yes, October is the rainiest month of the year on the Pacific coast. The second reason is that much of the rain (65-80% depending on the micro-climate) falls overnight. This page includes a chart with historical data for Costa Rica Average Precipitation. The Guanacaste region, along with the Pacific Coast and Central Valley, tends to experience wetter days. Monteverde usually wrings an extra month out of its dry season, so you may get lucky there, as well. July tends to be the driest of the wet months and is considered a miniature dry season. Remember the rhyme, April showers bring May flowers? According to Casa Presidencial, local emergency committees in Guanacaste have activated nine shelters across three Guanacaste cantons — seven in Santa Cruz, one in Carrillo and one in La Cruz — with a total capacity for 400 displaced people. The wet season months of May through November are characterized by less sun and more rain. Most regions have a rainy season (May-November) and a dry season (December-April), and the rainfall almost everywhere follows a predictable schedule. Trade winds blow in from the northwest primarily in January leaving March and April as the warmest months coinciding with the end of the dry season. The coldest month is May with an average maximum temperature of 31°C (87°F). The contour maps of Costa Rica below show the average monthly Rainfall, Hours of Sunshine per day, and Average Number of Sunny Days for each month of the year and every region of Costa Rica color coded by the legend at the bottom of each. Eastward from the central mountains, a lowland plain runs down to the Caribbean Sea. What airport should I fly to/from? Most regions have a rainy season (May-November) and a dry season (December-April), and the rainfall almost everywhere follows a predictable schedule. When planning your Costa Rica vacation, the weather in Costa Rica is a big part of the equation- the country lies wholly within the tropics, yet boasts about a dozen climatic zones and is notably diverse in local microclimates. San José Climate (Costa Rica) >>San José Weather by month // weather averages >>San José Climate graph // Weather by Month >>San José average temperature >>San José Weather; San José climate summary The San José lies on 1127m above sea level San José has a tropical climate. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Costa Rica will reopen its borders on August 1 for low-risk countries. Without much further a-do, here is the breakdown of Pros and Cons of coming to Costa Rica by month: The rainiest months in Costa Rica are September – November. We are planning to get married at Dreams Las Mareas in early September. It’s green season in Costa Rica, but a brief pocket of sunshine breaks up the rain in July in what locals call veranillo, or little summer. Get the latest coronavirus (COVID-19) updates for Costa Rica with current travel advice, statistics and online resources.. Below are the temperatures expected today at popular destinations in Costa Rica.Select a destination to compare … The months of September into December tend to be wet and rainy throughout most of Costa Rica. Loading weather data. These months have little to no rain in most of the country. In the Central Valley, during the day it is around low to mid 70s F (21-23 C) and at night, it cools off to around 65 F (17-18 C). Thanks to its diverse geography, the Costa Rica climate is quite varied. The Guanacaste region, along with the Pacific Coast and Central Valley, tends to experience wetter days. Please wait… Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec % 1 1 3 3 2 1 0 1 1 1 0 0 Chance of cloudy day: Costa Rica. The rainy period of the year lasts for 8.8 months, from April 2 to December 27, with a sliding 31-day rainfall of at least 0.5 inches. Costa Rica Climate – An Overview. Please wait… Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec % 0 0 0 2 9 24 19 25 28 13 3 1 Chance of windy day: Costa Rica. The numbers here are based on weather data collected over many years. Yes, that is a long rainy season. The National Meteorological Institute recently announced that additional severe weather is in store for Costa Rica in coming months, caused by the ongoing effects of El Niño, which has yet to reach its peak in the country. Of course, we don’t have snow. May is a transitional month throughout much of Costa Rica, ushering in the rainy season with occasional thunderstorms and rain showers. October weather is terrific in Costa Rica — despite what you might have heard! Loading weather data. Precipitation in Costa Rica averaged 249.76 mm from 1901 until 2015, reaching an all time high of 733.36 mm in July of 1905 and a record low of 13.06 mm in March of 1926. Costa Rica has a tropical climate with two seasons: dry season and rainy (or, “green,” as locals may call it) season. Hands down, October is the rainiest month of the year. Exceptions to the rule: Arenal is still in high dry season, although as one of the rainier areas of Costa Rica, you may still get caught in the occasional shower. The sun is bright, the skies blue, and the land parched. Months with no rains or lowest rains in Costa Rica is May. There’s plenty of diversity to the weather in Costa Rica, too. In Costa Rica, the weather is good everywhere in January, February, March and December The best months to go to San Jose are January, February, March, April and December On average, the warmest months in San Jose are January, February, March, April and May The rainiest months in this city are June, July, August, September and October Loading weather data. Green season - Good time for travel is from May to November, because of its gorgeous rich flora and fully green foliage. Due to varying elevations and environments, there are multiple microclimates around the country. The coldest month is May with an average maximum temperature of 31°C (87°F). Depending on your location and luck, you could see anything from no rain during a weeklong stay (more likely in drier Guanacaste and Tamarindo), to everyday rains. The warmest month is March with an average maximum temperature of 35°C (95°F). Costa Rica weather. Sticking to generalities, Guanacaste province (home to Tamarindo) is the driest in the country; this means we have drier rainy seasons, making Tamarindo a great choice for the best weather during May-November travel. Average Weather in San José Costa Rica. The rainy season runs from May to November, and the wettest months are September and October, with around 300 millimeters (12 inches) per month. In the month of November, the average highs are between 22.8°C (73°F) to 31.7°C (89.1°F). 18 °C to 31 °C. But on the gorgeous Caribbean coast — home to some of the best beaches in Costa Rica — October is one of the driest, sunniest months of … The numbers here are based on weather data collected over many years. Spring in Costa Rica Costa Rica weather in April. April is the hottest month in San Jose with an average temperature of 24.5°C (76°F) and the coldest is January at 21.5°C (71°F) with the most daily sunshine hours at 7 in June. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold. There are two main reasons. Average monthly rainfall in Costa Rica (mm and inches) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; mm: 155: 136: 129: 119: 142: 95: 61: 69: 121: 191: 183: 198: inches: 6.1: 5.4: 5.1: 4.7: 5.6: 3.7: 2.4: 2.7: 4.8: 7.5: 7.2: 7.8: Rainy days: 12: 11: 9: 7: 7: 7: 5: 6: 7: 10: 9: 11 April is the hottest month in San Jose with an average temperature of 24.5°C (76°F) and the coldest is January at 21.5°C (71°F) with the most daily sunshine hours at 7 in June. The driest month in Costa Rica is February with 1cm of rain and the least days of rain with 2.3 days with some rain, a very dry time to visit the beach. You may catch an occasional shower or even an unseasonal (but spectacular) thunderstorm, especially in La Niña years, when Costa Rica experiences more rains than in alternate El Niño years. The warmest month is March with an average maximum temperature of 35°C (95°F). Tamarindo has dry periods in January, February and March. Tourism during this time of year can still provide for a great experience, especially the more eco-touristy attractions. Sure, we’re a tropical nation. The coolest temperatures are found from November through January, mostly due to the mild … Maximum rain recorded in Costa Rica is 1852.57 mm in August. The dry season is also the high season as many snow birds make … Costa rica Ask a question. When you think of Costa Rica, you probably think of hot steamy weather and endless sunshine. September and October are the rainiest months (averaging 26 inches per month) of the year, and the most humid. (Alberto Font/The Tico Times) Global temperatures boosted by climate change will still be higher than usual despite the cooling effect of a “moderate to strong” La Niña weather phenomenon, the UN said Thursday. You may be looking at these maps and wondering how they can simultaneously show so much rainfall and so much sunshine and days without rain. From cold, misty mountains to hot, humid rainforest. Rainfall. That’s only a little bit true in Costa Rica, where April is still mostly sunny. 26 °C to 29 °C. Exceptions to the rule: The Caribbean coast hits its driest season in September, and Arenal continues to bask in the sun. Thunderstorms are still common but are not as vehement as in May and June.