Climate and monthly weather forecastUjarrás, Costa Rica

Climate and monthly weather forecast

The climate of Ujarrás

Situated in Costa Rica, Ujarrás is classified under the Köppen climate classification as Cfb, indicating a marine west coast with warm summer weather. Throughout the year, the monthly average temperatures tend to lie in a narrow range. The upper limit of this range extends from 22.2°C (72°F) to 25.3°C (77.5°F), while the lower limit extends from 13.7°C (56.7°F) to 16.9°C (62.4°F). Consequently, it can be stated that Ujarrás experiences a mild climate without considerable temperature fluctuations.

The overall relative humidity throughout the year ranges between 76% and 90%, thereby creating an atmosphere that is predominantly moist. Monthly rainfall levels vary significantly, with the lowest in February at 33mm (1.3") and peaks in October, reaching up to 444mm (17.48"). Furthermore, Ujarrás endures between 14.9 to 30.5 rainfall days per month, signifying that rain is a regular occurrence.

In terms of daylight, there is little difference throughout the year, varying from 11.6 hours to 12.7 hours per day. However, the total sunshine hours do show some variation, with a minimum of 6.5 hours in October and a maximum of 9.1 hours in February. A consistent UV index of 5 is maintained throughout the year in Ujarrás, indicating a moderate level of ultraviolet radiation.

The best time to visit Ujarrás

The ideal time to visit Ujarrás in terms of weather conditions typically falls between February and April. During this period, the rainfall levels are relatively low, ranging between 33mm (1.3") and 103mm (4.06"), making outdoor activities more enjoyable. Furthermore, these months enjoy the longest sunshine duration, varying from 8.6 hours to 9.1 hours per day. February sees the maximum sunlit days totaling 10.4, providing ample opportunity for sightseeing and exploring the lovely landscapes of Ujarrás.

The worst time to visit Ujarrás

The least desirable time for tourists would be between May and Oct, a period characterized by high rainfall levels ranging from 271mm (10.67") to 444mm (17.48") and a spike in relative humidity reaching up to 90%. Additionally, sunshine hours significantly drop to a yearly low of 6.5 in October, limiting outdoor activities. Travelers may also experience reduced visibility, dropping to 6km (3.7mi) in the same month.

Spring weather in Ujarrás

Springtime in Ujarrás falls between March and May. Throughout this period, the maximum temperature extends from 24.9°C (76.8°F) to 25.3°C (77.5°F) while the minimum temperature extends from 14.4°C (57.9°F) to 16.9°C (62.4°F). This time of the year marks a significant increase in rainfall, reaching up to 367mm (14.45") in May. Accordingly, the relative humidity also sees an upward trend, reaching a maximum of 86% by May.

Summer weather in Ujarrás

Summer weather spans from June to August in Ujarrás with maximum temperatures ranging from 23°C (73.4°F) to 23.7°C (74.7°F), and the minimum temperature fluctuating from 16°C (60.8°F) to 16.8°C (62.2°F). Rainfall levels further escalate during this period, peaking at 352mm (13.86") in June. The relative humidity reaches its yearly maxima, averaging 89% over these months, pointing out an atmosphere of high moisture content.

Autumn weather in Ujarrás

Autumn, which lasts from September to November, witnesses a slight decrease in temperature with maxima ranging from 22.2°C (72°F) to 22.9°C (73.2°F) and minima fluctuating between 15.3°C (59.5°F) and 16.5°C (61.7°F). October experiences the highest rainfall in the year at 444mm (17.48"), while the relative humidity sustains high figures, averaging 89%.

Winter weather in Ujarrás

Winter in Ujarrás lasts from December to February with a relatively stable temperature range from 13.7°C (56.7°F) to 13.8°C (56.8°F) as a minimum to a maximum spread from 22.7°C (72.9°F) to 24.3°C (75.7°F). While the winter months experience the least rainfall, the pressure is remarkably stable throughout the year, fluctuating barely between 1010.9 mb and 1012.4 mb. The relative humidity during this period decreases slightly, but remains relatively high, fluctuating between 76% and 83%.

Weather in January

January in Ujarrás, Costa Rica experiences a relatively cooler climate when compared to the following months. The average rainfall is 45mm (1.77"), although precipitation of this nature in January is quite rare and it sees fewer wet days. Weather in January »

Weather in February

Ujarrás, Costa Rica in February sees a subtle increase in both maximum and minimum temperatures when compared to January. Interestingly, the wind speeds remain very similar during these two months, maintaining the same general climate. Weather in February »

Weather in March

March ushers in a notable change in the weather conditions in Ujarrás, Costa Rica. The month records an increase in average rainfall to 39mm (1.54") with an increase in average relative humidity. Despite the increase in precipitation, the mean temperature, daylight hours and hours of sunshine remain comparably steady, weather aspects enjoyed by the city's populace and tourists alike. Weather in March »

Weather in April

In Ujarrás, Costa Rica April is a significant month weather-wise. It sees a massive rise in rainfall with a total of 103mm (4.06") average rainfall, marking the onset of the wet season. Although the temperatures remain stable, the increased precipitation and relative humidity effectively change the ambience of the city. Weather in April »

Weather in May

During May, Ujarrás, Costa Rica continues to experience weather alterations intrinsic to the region. The most significant of these occur in terms of average rainfall which stands at a striking 367mm (14.45"), further intensifying the wet season. Weather in May »

Weather in June

June in Ujarrás, Costa Rica exhibits a persisting pattern of warm and wet weather. The month records a further increase in rainfall to 352mm (13.86") while maintaining similar temperatures to May. Interestingly, the daylight and sunshine hours show little variation from previous months, indicating the city's tropical location on the globe. Weather in June »

Weather in July

Ujarrás, Costa Rica in July continues to experience high rainfall averaging 271mm (10.67"), characteristic of the rainy season. The prevailing warm temperatures combined with the high humidity make the overall weather quite tropical. Weather in July »

Weather in August

August in Ujarrás, Costa Rica sees a continued pattern of wet and warm weather. The city records an increase in average rainfall to 307mm (12.09"), affirming the ongoing rainy season. While temperatures stay relatively stable, the humidity continues to be high, maintaining the tropical conditions. Weather in August »

Weather in September

September in Ujarrás, Costa Rica marks a high point in the region’s wet season. The rainfall further intensifies, marking the average at 320mm (12.6"), making the month noticeably wetter. Constant temperatures remain the norm, balancing the extended bouts of rain and high humidity. Weather in September »

Weather in October

October brings the peak of the wet season in Ujarrás, Costa Rica. The city observes its highest average rainfall of 444mm (17.48"), characterizing the most intense period of the rainy season. Despite this significant precipitation, the high and low temperatures stay steady, maintaining the tropical climate. Weather in October »

Weather in November

November in Ujarrás, Costa Rica sees a reduction in average rainfall to 174mm (6.85"), as the intense period of the rainy season begins to ease. Temperatures remain stable representing a warm and slightly less wet climate. Relative humidity, wind speeds and cloud cover follow a gradual decreasing pattern. Weather in November »

Weather in December

December in Ujarrás, Costa Rica marks the end of the rainy season with an average rainfall of 79mm (3.11"). A relative drop in temperature compared to November introduces a bit of coolness in the city’s warm climate. The relatively drier weather combined with steady sunshine and daylight hours evoke a pleasant and inviting atmosphere. Weather in December »

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Ujarrás, during the entire year, the rain falls for 305 days and collects up to 2534mm (99.76") of precipitation.

The months with the highest UV index in Ujarrás, Costa Rica, are January through December, with an average maximum UV index of 5.

The months with the lowest UV index are January through December, with an average maximum UV index of 5.

February is the least humid month in Ujarrás, Costa Rica, with an average relative humidity of 76%.

The month with the least rainfall is February, when the rain falls for 14.9 days and typically collects 33mm (1.3") of precipitation.

February has the most sunshine of the year, with an average of 9.1h of sunshine.

April, noted for its average high-temperature of 25.3°C (77.5°F) and an average low-temperature of 15.8°C (60.4°F), is considered the warmest month.

June has the longest days of the year, with an average of 12h and 42min of daylight.

October stands out as Ujarrás's coldest month, with an average high-temperature of 22.2°C (72°F) and a low-temperature of 16.3°C (61.3°F).

The most humid month is October, with an average relative humidity of 90%.

October is the month with the most rainfall in Ujarrás, Costa Rica. Rain falls for 30.5 days and accumulates 444mm (17.48") of precipitation.

The month with the least sunshine in Ujarrás, Costa Rica, is October, with an average of 6.5h of sunshine.

With an average of 11h and 36min of daylight, December has the shortest days of the year in Ujarrás, Costa Rica.

Ujarrás does not utilize Daylight Saving Time (DST). CST timezone is used over the entire year.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Ujarrás, Costa Rica

Average high temperature in January:
23.5°C
Average high temperature in February:
24.3°C
Average high temperature in March:
24.9°C
Average high temperature in April:
25.3°C
Average high temperature in May:
23.7°C
Average high temperature in June:
23°C

Average high temperature in July:
22.9°C
Average high temperature in August:
23°C
Average high temperature in September:
22.9°C
Average high temperature in October:
22.2°C
Average high temperature in November:
22.4°C
Average high temperature in December:
22.7°C

The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is October (22.2°C).

Average low temperature in January:
13.7°C
Average low temperature in February:
13.8°C
Average low temperature in March:
14.4°C
Average low temperature in April:
15.8°C
Average low temperature in May:
16.9°C
Average low temperature in June:
16.8°C

Average low temperature in July:
16°C
Average low temperature in August:
16.3°C
Average low temperature in September:
16.5°C
Average low temperature in October:
16.3°C
Average low temperature in November:
15.3°C
Average low temperature in December:
14.3°C

The month with the highest average low temperature is May (16.9°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).

Average pressure
Ujarrás, Costa Rica

Average pressure in January:
1012.4mbar
Average pressure in February:
1012.1mbar
Average pressure in March:
1012.2mbar
Average pressure in April:
1011.6mbar
Average pressure in May:
1011.3mbar
Average pressure in June:
1011.3mbar

Average pressure in July:
1011.6mbar
Average pressure in August:
1011.4mbar
Average pressure in September:
1011.2mbar
Average pressure in October:
1010.9mbar
Average pressure in November:
1011.1mbar
Average pressure in December:
1011.8mbar

The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).

Average wind speed
Ujarrás, Costa Rica

Average wind speed in July:
5.7km/h
Average wind speed in August:
4.7km/h
Average wind speed in September:
3.7km/h
Average wind speed in October:
3.8km/h
Average wind speed in November:
5.3km/h
Average wind speed in December:
7.2km/h

The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is September (3.7km/h).

Average humidity
Ujarrás, Costa Rica

The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is February (76%).

Average rainfall
Ujarrás, Costa Rica

The wettest month (with the highest rainfall) is October (444mm).
The driest month (with the least rainfall) is February (33mm).

Average rainfall days
Ujarrás, Costa Rica

Average rainfall days in January:
17.8 days
Average rainfall days in February:
14.9 days
Average rainfall days in March:
20 days
Average rainfall days in April:
22.9 days
Average rainfall days in May:
29.1 days
Average rainfall days in June:
28.9 days

Average rainfall days in July:
29.9 days
Average rainfall days in August:
29.8 days
Average rainfall days in September:
29.7 days
Average rainfall days in October:
30.5 days
Average rainfall days in November:
28.5 days
Average rainfall days in December:
23 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (14.9 days).

Average daylight / Average sunshine
Ujarrás, Costa Rica

Average daylight in January:
11h and 36min
Average daylight in February:
11h and 48min
Average daylight in March:
12h and 6min
Average daylight in April:
12h and 24min
Average daylight in May:
12h and 36min
Average daylight in June:
12h and 42min

Average daylight in July:
12h and 36min
Average daylight in August:
12h and 24min
Average daylight in September:
12h and 12min
Average daylight in October:
11h and 54min
Average daylight in November:
11h and 42min
Average daylight in December:
11h and 36min

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).

Average sunshine in January:
8h and 48min
Average sunshine in February:
9h and 6min
Average sunshine in March:
8h and 48min
Average sunshine in April:
8h and 36min
Average sunshine in May:
7h and 18min
Average sunshine in June:
6h and 48min

Average sunshine in July:
7h and 42min
Average sunshine in August:
7h and 18min
Average sunshine in September:
7h and 18min
Average sunshine in October:
6h and 30min
Average sunshine in November:
6h and 48min
Average sunshine in December:
8h and 0min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).

Average sunshine days
Ujarrás, Costa Rica

Average sunshine days in January:
9.2 days
Average sunshine days in February:
10.4 days
Average sunshine days in March:
6.9 days
Average sunshine days in April:
5.6 days
Average sunshine days in May:
1.2 days
Average sunshine days in June:
0.5 days

Average sunshine days in July:
0.5 days
Average sunshine days in August:
0.4 days
Average sunshine days in September:
0.3 days
Average sunshine days in October:
0.1 days
Average sunshine days in November:
1 days
Average sunshine days in December:
4.9 days

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is October (0.1 days).

Average UV index
Ujarrás, Costa Rica

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