Climate Insights for Upala Airport

Upala, Provincia de Alajuela, Costa Rica

Hottest
April
29°C peak
Coldest
February
23°C low
Wettest
November
400mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Upala Airport is hot. The average annual temperature is 25°C and approximately 3042mm of precipitation falls per year. Upala Airport receives a notable amount of rainfall throughout the year, including during its driest month. Upala Airport 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 February, January, March, when temperatures can drop to 23°C.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 24° Min: 23° Feb Max: 27° Average: 25° Min: 23° Mar Max: 28° Average: 25° Min: 23° Apr Max: 29° Average: 26° Min: 24° May Max: 29° Average: 26° Min: 25° Jun Max: 28° Average: 26° Min: 25° Jul Max: 28° Average: 26° Min: 24° Aug Max: 28° Average: 26° Min: 24° Sep Max: 28° Average: 26° Min: 24° Oct Max: 28° Average: 26° Min: 24° Nov Max: 27° Average: 25° Min: 24° Dec Max: 27° Average: 25° Min: 23°
Max
Average
Min

Upala Airport has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 4°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: 221mm Feb Precipitation: 127mm Mar Precipitation: 96mm Apr Precipitation: 86mm May Precipitation: 227mm Jun Precipitation: 345mm Jul Precipitation: 366mm Aug Precipitation: 290mm Sep Precipitation: 237mm Oct Precipitation: 349mm Nov Precipitation: 400mm Dec Precipitation: 299mm
Precipitation

Upala Airport is a very wet location, receiving approximately 3042mm of precipitation annually, which averages out to around 254mm per month. The wettest month is November, averaging 400mm of rainfall. July and October also tend to see above-average precipitation. The driest month is April, with just 86mm. That's 314mm less than November, 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 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 16km/h Feb Wind Speed: 17km/h Mar Wind Speed: 16km/h Apr Wind Speed: 14km/h May Wind Speed: 10km/h Jun Wind Speed: 10km/h Jul Wind Speed: 14km/h Aug Wind Speed: 11km/h Sep Wind Speed: 8km/h Oct Wind Speed: 8km/h Nov Wind Speed: 11km/h Dec Wind Speed: 15km/h
Wind Speed

Upala Airport is mildly breezy, with an average annual wind speed of 12km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 16km/h in winter, 13km/h in spring, 11km/h in summer, 9km/h in autumn.

Seasons

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

87 days until Winter

It is currently autumn in Upala Airport, which began on September 23, 2026. Upala Airport 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 February near 23°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 409mm across the season with a monthly average of 136mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1000mm across the season with a monthly average of 333mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 986mm across the season with a monthly average of 329mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 27°C. Rainfall is heavy, totalling around 647mm across the season with a monthly average of 216mm. Winds are moderate at around 16km/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 Airport 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
23 °C
27 °C
16 km/h
221 mm
0 cm
Feb
23 °C
27 °C
17 km/h
127 mm
0 cm
Mar
23 °C
28 °C
16 km/h
96 mm
0 cm
Apr
24 °C
29 °C
14 km/h
86 mm
0 cm
May
25 °C
29 °C
10 km/h
227 mm
0 cm
Jun
25 °C
28 °C
10 km/h
345 mm
0 cm
Jul
24 °C
28 °C
14 km/h
366 mm
0 cm
Aug
24 °C
28 °C
11 km/h
290 mm
0 cm
Sep Current
24 °C
28 °C
8 km/h
237 mm
0 cm
Oct
24 °C
28 °C
8 km/h
349 mm
0 cm
Nov
24 °C
27 °C
11 km/h
400 mm
0 cm
Dec
23 °C
27 °C
15 km/h
299 mm
0 cm
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Metric (°C, km/h)