Climate Insights for Upala

Upala, Provincia de Alajuela, Costa Rica

Hottest
April
29°C peak
Coldest
January
22°C low
Wettest
October
364mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Upala is warm and mild. The average annual temperature is 25°C and approximately 3011mm of precipitation falls per year. Upala receives a notable amount of rainfall throughout the year, including during its driest month. Upala is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, September. The coldest months are January, February, March, when temperatures can drop to 22°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 26° Average: 24° Min: 22° Feb Max: 27° Average: 24° Min: 22° Mar Max: 28° Average: 25° Min: 22° Apr Max: 29° Average: 26° Min: 23° May Max: 29° Average: 26° Min: 24° Jun Max: 29° Average: 25° Min: 24° Jul Max: 28° Average: 25° Min: 23° Aug Max: 28° Average: 25° Min: 23° Sep Max: 29° Average: 25° Min: 23° Oct Max: 28° Average: 25° Min: 23° Nov Max: 27° Average: 25° Min: 23° Dec Max: 27° Average: 24° Min: 22°
Max
Average
Min

Upala has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 211mm Feb Precipitation: 131mm Mar Precipitation: 120mm Apr Precipitation: 81mm May Precipitation: 289mm Jun Precipitation: 336mm Jul Precipitation: 328mm Aug Precipitation: 269mm Sep Precipitation: 245mm Oct Precipitation: 364mm Nov Precipitation: 326mm Dec Precipitation: 309mm
Precipitation

Upala is a very wet location, receiving approximately 3011mm of precipitation annually, which averages out to around 251mm per month. The wettest month is October, averaging 364mm of rainfall. June and July also tend to see above-average precipitation. The driest month is April, with just 81mm. That's 282mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 3km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 3km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 3km/h
Wind Speed

Upala is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

92 days until Autumn

It is currently summer in Upala, which began on June 21, 2026. Upala is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 29°C, while the coldest stretch bottoms out in January near 22°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 22 to 29°C. Rainfall is heavy, totalling around 491mm across the season with a monthly average of 164mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 933mm across the season with a monthly average of 311mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 935mm across the season with a monthly average of 312mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 27°C. Rainfall is heavy, totalling around 652mm across the season with a monthly average of 217mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Upala based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
22 °C
26 °C
4 km/h
211 mm
0 cm
Feb
22 °C
27 °C
4 km/h
131 mm
0 cm
Mar
22 °C
28 °C
4 km/h
120 mm
0 cm
Apr
23 °C
29 °C
3 km/h
81 mm
0 cm
May
24 °C
29 °C
2 km/h
289 mm
0 cm
Jun Current
24 °C
29 °C
2 km/h
336 mm
0 cm
Jul
23 °C
28 °C
3 km/h
328 mm
0 cm
Aug
23 °C
28 °C
2 km/h
269 mm
0 cm
Sep
23 °C
29 °C
2 km/h
245 mm
0 cm
Oct
23 °C
28 °C
2 km/h
364 mm
0 cm
Nov
23 °C
27 °C
2 km/h
326 mm
0 cm
Dec
22 °C
27 °C
3 km/h
309 mm
0 cm
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