Climate Insights for Liberia

Liberia, Provincia de Guanacaste, Costa Rica

Hottest
April
33°C peak
Coldest
January
22°C low
Wettest
October
403mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Liberia is hot. The average annual temperature is 26°C and approximately 1930mm of precipitation falls per year. October is the wettest month, receiving around 403mm of rainfall. Liberia is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, February, November, 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: 29° Average: 25° Min: 22° Feb Max: 30° Average: 26° Min: 22° Mar Max: 32° Average: 27° Min: 22° Apr Max: 33° Average: 28° Min: 23° May Max: 32° Average: 27° Min: 23° Jun Max: 30° Average: 26° Min: 23° Jul Max: 30° Average: 26° Min: 23° Aug Max: 30° Average: 26° Min: 23° Sep Max: 30° Average: 25° Min: 22° Oct Max: 29° Average: 25° Min: 22° Nov Max: 29° Average: 25° Min: 22° Dec Max: 29° Average: 25° Min: 22°
Max
Average
Min

Liberia sees moderate temperature variation throughout the year, ranging from 22°C to 33°C. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 28°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 8°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 4mm Feb Precipitation: 1mm Mar Precipitation: 4mm Apr Precipitation: 37mm May Precipitation: 250mm Jun Precipitation: 325mm Jul Precipitation: 143mm Aug Precipitation: 207mm Sep Precipitation: 296mm Oct Precipitation: 403mm Nov Precipitation: 234mm Dec Precipitation: 27mm
Precipitation

Liberia is a fairly wet location, receiving approximately 1930mm of precipitation annually, which averages out to around 161mm per month. The wettest month is October, averaging 403mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 402mm 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 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 22km/h Feb Wind Speed: 23km/h Mar Wind Speed: 21km/h Apr Wind Speed: 16km/h May Wind Speed: 12km/h Jun Wind Speed: 11km/h Jul Wind Speed: 15km/h Aug Wind Speed: 13km/h Sep Wind Speed: 10km/h Oct Wind Speed: 10km/h Nov Wind Speed: 13km/h Dec Wind Speed: 19km/h
Wind Speed

Liberia is mildly breezy, with an average annual wind speed of 16km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 13km/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 22km/h in winter, 16km/h in spring, 13km/h in summer, 11km/h in autumn.

Seasons

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

90 days until Summer

It is currently spring in Liberia, which began on March 20, 2026. Liberia 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 33°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 90 days from now.

Spring

Temperatures range from 22 to 33°C. Precipitation is moderate at around 291mm for the season, averaging 97mm per month. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 675mm across the season with a monthly average of 225mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 934mm across the season with a monthly average of 311mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 30°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are moderate at around 22km/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 Liberia 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
29 °C
22 km/h
4 mm
0 cm
Feb
22 °C
30 °C
23 km/h
1 mm
0 cm
Mar Current
22 °C
32 °C
21 km/h
4 mm
0 cm
Apr
23 °C
33 °C
16 km/h
37 mm
0 cm
May
23 °C
32 °C
12 km/h
250 mm
0 cm
Jun
23 °C
30 °C
11 km/h
325 mm
0 cm
Jul
23 °C
30 °C
15 km/h
143 mm
0 cm
Aug
23 °C
30 °C
13 km/h
207 mm
0 cm
Sep
22 °C
30 °C
10 km/h
296 mm
0 cm
Oct
22 °C
29 °C
10 km/h
403 mm
0 cm
Nov
22 °C
29 °C
13 km/h
234 mm
0 cm
Dec
22 °C
29 °C
19 km/h
27 mm
0 cm
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Metric (°C, km/h)