Climate Insights for Los Chiles

Los Chiles, Provincia de Alajuela, Costa Rica

Hottest
April
32°C peak
Coldest
January
22°C low
Wettest
October
328mm rain
Best to Visit
January
Mild temps & low rain

Climate Overview

The climate in Los Chiles is hot. The average annual temperature is 26°C and approximately 2322mm of precipitation falls per year. Los Chiles receives a notable amount of rainfall throughout the year, including during its driest month. Los Chiles 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° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 25° Min: 22° Feb Max: 29° Average: 25° Min: 22° Mar Max: 30° Average: 26° Min: 23° Apr Max: 32° Average: 27° Min: 23° May Max: 32° Average: 27° Min: 24° Jun Max: 31° Average: 26° Min: 24° Jul Max: 30° Average: 26° Min: 24° Aug Max: 30° Average: 26° Min: 24° Sep Max: 31° Average: 26° Min: 23° Oct Max: 30° Average: 26° Min: 23° Nov Max: 29° Average: 26° Min: 23° Dec Max: 29° Average: 25° Min: 23°
Max
Average
Min

Los Chiles has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is April, when average highs reach 32°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 69mm Feb Precipitation: 42mm Mar Precipitation: 36mm Apr Precipitation: 58mm May Precipitation: 243mm Jun Precipitation: 321mm Jul Precipitation: 268mm Aug Precipitation: 252mm Sep Precipitation: 289mm Oct Precipitation: 328mm Nov Precipitation: 282mm Dec Precipitation: 132mm
Precipitation

Los Chiles is a very wet location, receiving approximately 2322mm of precipitation annually, which averages out to around 193mm per month. The wettest month is October, averaging 328mm of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 36mm. That's 292mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

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: 17km/h Apr Wind Speed: 15km/h May Wind Speed: 11km/h Jun Wind Speed: 10km/h Jul Wind Speed: 13km/h Aug Wind Speed: 11km/h Sep Wind Speed: 9km/h Oct Wind Speed: 8km/h Nov Wind Speed: 10km/h Dec Wind Speed: 14km/h
Wind Speed

Los Chiles is mildly breezy, with an average annual wind speed of 13km/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, 14km/h in spring, 11km/h in summer, 9km/h in autumn.

Seasons

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

89 days until Summer

It is currently spring in Los Chiles, which began on March 20, 2026. Los Chiles 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 32°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 337mm across the season with a monthly average of 112mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 842mm across the season with a monthly average of 281mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 899mm across the season with a monthly average of 300mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 29°C. Precipitation is moderate at around 243mm for the season, averaging 81mm per month. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 25°
Feb 25°
Mar 26°
Apr 27°
May 27°
Jun 26°
Jul 26°
Aug 26°
Sep 26°
Oct 26°
Nov 26°
Dec 25°

The best time to visit Los Chiles is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 69mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 32°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Los Chiles 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
28 °C
16 km/h
69 mm
0 cm
Feb
22 °C
29 °C
17 km/h
42 mm
0 cm
Mar Current
23 °C
30 °C
17 km/h
36 mm
0 cm
Apr
23 °C
32 °C
15 km/h
58 mm
0 cm
May
24 °C
32 °C
11 km/h
243 mm
0 cm
Jun
24 °C
31 °C
10 km/h
321 mm
0 cm
Jul
24 °C
30 °C
13 km/h
268 mm
0 cm
Aug
24 °C
30 °C
11 km/h
252 mm
0 cm
Sep
23 °C
31 °C
9 km/h
289 mm
0 cm
Oct
23 °C
30 °C
8 km/h
328 mm
0 cm
Nov
23 °C
29 °C
10 km/h
282 mm
0 cm
Dec
23 °C
29 °C
14 km/h
132 mm
0 cm
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Metric (°C, km/h)