Climate Insights for Liberia

Liberia, Provincia de Guanacaste, Costa Rica

Hottest
April
33°C peak
Coldest
January
22°C low
Wettest
October
424mm rain
Best to Visit
December
Mild temps & low rain

Climate Overview

The climate in Liberia is hot. The average annual temperature is 26°C and approximately 2014mm of precipitation falls per year. October is the wettest month, receiving around 424mm 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, October, when temperatures can drop to 22°C.

Temperature

0° 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: 27° Min: 23° May Max: 32° Average: 27° Min: 23° Jun Max: 30° Average: 25° 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 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 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: 6mm Feb Precipitation: 1mm Mar Precipitation: 5mm Apr Precipitation: 36mm May Precipitation: 257mm Jun Precipitation: 348mm Jul Precipitation: 150mm Aug Precipitation: 217mm Sep Precipitation: 307mm Oct Precipitation: 424mm Nov Precipitation: 234mm Dec Precipitation: 30mm
Precipitation

Liberia is a very wet location, receiving approximately 2014mm of precipitation annually, which averages out to around 168mm per month. The wettest month is October, averaging 424mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 423mm 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: 15km/h Feb Wind Speed: 17km/h Mar Wind Speed: 15km/h Apr Wind Speed: 10km/h May Wind Speed: 7km/h Jun Wind Speed: 6km/h Jul Wind Speed: 8km/h Aug Wind Speed: 7km/h Sep Wind Speed: 5km/h Oct Wind Speed: 6km/h Nov Wind Speed: 8km/h Dec Wind Speed: 12km/h
Wind Speed

Liberia is relatively calm, with an average annual wind speed of 10km/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 September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/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 15km/h in winter, 11km/h in spring, 7km/h in summer, 6km/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 Liberia, which began on September 23, 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. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 22 to 33°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are generally light, averaging 11km/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 715mm across the season with a monthly average of 238mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 965mm across the season with a monthly average of 322mm. Winds are generally light, averaging 6km/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 37mm for the entire season. Winds are generally light, averaging 15km/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 26°
Mar 27°
Apr 27°
May 27°
Jun 25°
Jul 26°
Aug 26°
Sep 25°
Oct 25°
Nov 25°
Dec 25°

The best time to visit Liberia is during December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 30mm per month. By contrast, April can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 22°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 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
15 km/h
6 mm
0 cm
Feb
22 °C
30 °C
17 km/h
1 mm
0 cm
Mar
22 °C
32 °C
15 km/h
5 mm
0 cm
Apr
23 °C
33 °C
10 km/h
36 mm
0 cm
May
23 °C
32 °C
7 km/h
257 mm
0 cm
Jun
23 °C
30 °C
6 km/h
348 mm
0 cm
Jul
23 °C
30 °C
8 km/h
150 mm
0 cm
Aug
23 °C
30 °C
7 km/h
217 mm
0 cm
Sep Current
22 °C
30 °C
5 km/h
307 mm
0 cm
Oct
22 °C
29 °C
6 km/h
424 mm
0 cm
Nov
22 °C
29 °C
8 km/h
234 mm
0 cm
Dec
22 °C
29 °C
12 km/h
30 mm
0 cm
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Metric (°C, km/h)