Climate and monthly weather forecast
San Vicente, Costa Rica

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The climate of San Vicente

San Vicente's weather falls under the Am, or Tropical monsoon category, as per the Köppen climate classification. Positioned geographically in Costa Rica, San Vicente sees a consistent influx of warm temperatures year-round, coupled with high humidity and a significant amount of rainfall. A look at the data reveals that the highest average temperature peaks at 29.7°C (85.5°F) occur between March and April, while the cooler months of December to February see lower average temperatures of 27.3°C (81.1°F) to 28°C (82.4°F).

When it comes to precipitation, San Vicente experiences high levels of rainfall throughout the year. The heaviest rainfall occurs in October with an average of 396mm (15.59"), while February and March are relatively dry months with average rainfall measured at 17mm (0.67") and 21mm (0.83") respectively. Mirroring the rainfall pattern, the average number of rainfall days per month are the highest in October with 30.2 days, providing a clear insight into the monsoon climate of the region.

As for the average relative humidity, it skyrockets to 87%-89% from June to October, presenting extremely humid weather conditions during these months. In comparison, February to April are the least humid with levels around 70%-73%. Month to month, the hours of daylight and sunshine only fluctuate slightly. The longest days are in June where the daily average daylight is about 12.7 hours, and the shortest days are in December and January with 11.6 hours of daylight.

The best time to visit San Vicente

Visiting San Vicente would potentially be most rewarding between February and April. During this period, average temperatures remain pleasant, ranging from 28.3°C (82.9°F) to 29.7°C (85.5°F). Additionally, rainfall is at its lowest, providing ample opportunities to explore the region without disruption. The hours of sunshine are also the highest of the year, with an average of 9.1 to 9.4 hours per day, further contributing to the overall attractiveness of this season.

The worst time to visit San Vicente

The period from June to October is likely the least favorable time to visit San Vicente. These months see the highest average rainfall, peaking at 396mm (15.59") in October, along with the most number of rainfall days, making outdoor activities and travel quite challenging. The relative humidity also reaches its yearly peak, making the weather rather uncomfortable for those unaccustomed to high humidity.

Spring weather in San Vicente

In San Vicente, spring lasts from March to May, and it's characterized by gradually increasing average temperatures, from 29.7°C (85.5°F) in March to a slightly cooler 27.7°C (81.9°F) in May. Rainfall is also variable with a notable increase from 21mm (0.83") in March to a significant 339mm (13.35") in May. Consequently, the number of rainfall days sees a jump from 14.5 days in March to 27.2 days in May. The duration of daylight during these months remains consistent, ranging from 12.1 to 12.6 hours.

Summer weather in San Vicente

June ushers in the summer months, which continue through to August. These months are characterized by relatively consistent temperatures averaging between 26°C (78.8°F) to 26.7°C (80.1°F). However, a significant amount of rainfall is observed throughout the summer. The average rainfall measures from 323mm (12.72") to 287mm (11.3"), and the number of rainfall days remains high, tracking at around 28 days each month.

Autumn weather in San Vicente

September to November are the autumn months in San Vicente. Average temperatures during these months hover between 26.3°C (79.3°F) and 25.9°C (78.6°F), remaining relatively stable. The average rainfall peaks in October at 396mm (15.59"), before dropping to 144mm (5.67") in November. The number of rainfall days also sees a decrease from 30.2 days in October to 26.9 days in November.

Winter weather in San Vicente

December marks the onset of winter and continues until February. During this period, the average temperatures range from 27.3°C (81.1°F) to 28.3°C (82.9°F). Rainfall sees a significant decline in winter, reaching its annual minimum in February at 17mm (0.67"). Similarly, the number of rainfall days decreases sharply. Lasting sunlight promotes tourism during this period with 11.6 hours of daylight in December stepping up to 11.8 hours in February.

Weather in January

In comparison to February, January in San Vicente, Costa Rica, provides a glimpse into the cooler, drier side. There's a definite sunny disposition with rays shining for up to 8.3 hours a day providing warmth without excessive heat. Weather in January »

Weather in February

As San Vicente transitions from January to February, the days receive an additional dosage of sunshine. Beating the heat becomes easier as the wind speed also slightly increases to an average of 10.6km/h (6.6mph). February sends off winter with a reduced cloud cover compared to the upcoming months. Weather in February »

Weather in March

March brings a gradual increase in both temperatures and humidity compared to the previous month. San Vicente braces itself for the heightened rainfall of 21mm (0.83"), up from the 17mm (0.67") average of February. Additionally, increased average wind speeds of up to 9.5km/h (5.9mph) regularly break the stagnant heat. Weather in March »

Weather in April

April in San Vicente signals the start of the rainy season with an average rainfall of 86mm (3.39"), making a significant leap from the previous month’s 21mm (0.83"). The city prepares for the upcoming torrential rain months. Despite this escalation, the temperatures and humidity are still relatively stable. Weather in April »

Weather in May

May is characterized by the pronounced shift into rainy season in San Vicente, Costa Rica. The rainfall level peaks, bloating to an impressive average 339mm (13.35") compared to merely 86mm (3.39") in April. The city robes itself in a cooler glow, with decreasing daylight and sunshine hours. Weather in May »

Weather in June

June in San Vicente introduces us to the heart of the rainy season. The moderating temperatures maintain a steady balance with the even more pronounced rainfall touching an average of 323mm (12.72"). Amid this, the average wind speed buckles down to a gentle breeze of 4.5km/h (2.8mph). Weather in June »

Weather in July

July in San Vicente sees a slight ease in rainfall, marking a brief respite in the purely rainy season. Although the average wind speed perks up to 6km/h (3.7mph), a lower UV index of 6 remains. Despite this, it's a preferred period for residents and tourists alike in anticipation of escalating rainfall in the coming months. Weather in July »

Weather in August

August in San Vicente showcases Costa Rica's renowned wet season, as the city delves back into abundant rainfall with an average of 287mm (11.3"). Along with this, the average wind speed subsides slightly to a gentle 4.6km/h (2.9mph). Weather in August »

Weather in September

September continues the trend of high precipitation in San Vicente with 288mm (11.34") average rainfall. The decreasing sunshine hours and daylight adds to the city's cloudy ambiance. Despite this, the month's average wind speed drops further to 3.8km/h (2.4mph). Weather in September »

Weather in October

October paints a wet canvas in San Vicente with the highest rainfall of the year at an average of 396mm (15.59"). Relative humidity also reaches its peak, with a transition to increasing sunlight hours hinting at the approaching drier season. Weather in October »

Weather in November

November in San Vicente brings significant relief from the heavy downpours with a drop to an average rainfall of 144mm (5.67"). The advent of the dry season is evident in the declining cloud cover percentage. Additionally, the average wind speed increases notably to 6.2km/h (3.9mph), adding to the city's crisp air. Weather in November »

Weather in December

December in San Vicente signals the awaited return of the dry season, dropping rainfall averages to a mere 46mm (1.81"). Wind speeds escalate to a brisk 8.7km/h (5.4mph), providing a refreshing alternative to the previously humid months. Weather in December »

Frequently asked questions

How many days does it rain in San Vicente?

Throughout the year, there are 272 rainfall days, and 2217mm (87.28") of precipitation is accumulated.

What is the month with the highest UV index in San Vicente?

January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index.

What is the driest month in San Vicente?

The month with the least rainfall in San Vicente, Costa Rica, is February, when the rain falls for 10.3 days and typically collects 17mm (0.67") of precipitation.

What time of the year is the hottest in San Vicente?

The warmest period in San Vicente, with an average high-temperature of 29.7°C (85.5°F), falls in March and April.

What is the least humid month in San Vicente?

With an average relative humidity of 70%, March is the least humid month in San Vicente.

What month has the most sunshine in San Vicente?

With an average of 9.4h of sunshine, March has the most sunshine of the year.

When is the lowest UV index in San Vicente?

The months with the lowest UV index in San Vicente are May, August and November, with an average maximum UV index of 5.

When are the longest days in San Vicente?

With an average of 12h and 42min of daylight, June has the longest days of the year in San Vicente.

What is the coldest month in San Vicente?

October proves to be the coldest month in San Vicente, Costa Rica, recording an average maximum temperature of 25.4°C (77.7°F) and a minimum temperature of 18.9°C (66°F).

What is the most humid month in San Vicente?

With an average relative humidity of 89%, October is the most humid month.

What is the wettest month in San Vicente?

The month with the most rainfall is October, when the rain falls for 30.2 days and typically aggregates up to 396mm (15.59") of precipitation.

What is the month with the least sunshine in San Vicente?

The month with the least sunshine in San Vicente, Costa Rica, is October, with an average of 7h of sunshine.

What is the month with the shortest days in San Vicente?

The month with the shortest days in San Vicente, Costa Rica, is December, with an average of 11h and 36min of daylight.

Is there Daylight Saving Time (DST) in San Vicente?

San Vicente, Costa Rica, does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.

Average temperature
San Vicente, Costa Rica

Average temperature - San Vicente, Costa Rica

The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).

The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure
San Vicente, Costa Rica

Average pressure - San Vicente, Costa Rica

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

Average wind speed
San Vicente, Costa Rica

Average wind speed - San Vicente, Costa Rica

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).

Average humidity
San Vicente, Costa Rica

Average humidity - San Vicente, Costa Rica

The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).

Average rainfall
San Vicente, Costa Rica

Average rainfall - San Vicente, Costa Rica

The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days
San Vicente, Costa Rica

Average rainfall days - San Vicente, Costa Rica

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).

Average daylight / Average sunshine
San Vicente, Costa Rica

Average daylight / Average sunshine - San Vicente, Costa Rica

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).

Average sunshine days
San Vicente, Costa Rica

Average sunshine days - San Vicente, Costa Rica

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).

Average UV index
San Vicente, Costa Rica

Average UV index - San Vicente, Costa Rica

The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).

Average visibility
San Vicente, Costa Rica

Average visibility - San Vicente, Costa Rica

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).

San Vicente, Costa Rica

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