Climate Insights for Greenville

Sinoe County, Liberia

Hottest
April
29°C peak
Coldest
August
24°C low
Wettest
September
549mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Greenville is hot. The average annual temperature is 26°C and approximately 2973mm of precipitation falls per year. Greenville receives a notable amount of rainfall throughout the year, including during its driest month. Greenville sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

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

Greenville has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 96mm Feb Precipitation: 105mm Mar Precipitation: 149mm Apr Precipitation: 156mm May Precipitation: 363mm Jun Precipitation: 474mm Jul Precipitation: 227mm Aug Precipitation: 229mm Sep Precipitation: 549mm Oct Precipitation: 338mm Nov Precipitation: 175mm Dec Precipitation: 114mm
Precipitation

Greenville is a very wet location, receiving approximately 2973mm of precipitation annually, which averages out to around 248mm per month. The wettest month is September, averaging 549mm of rainfall. June and May also tend to see above-average precipitation. The driest month is January, with just 96mm. That's 453mm less than September, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 3km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 3km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 3km/h Oct Wind Speed: 3km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Greenville 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 August, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

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

13 days until Autumn

It is currently summer in Greenville, which began on June 21, 2026. Greenville sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in April at around 29°C, while the coldest stretch bottoms out in August near 24°C. Autumn is next, beginning on September 23, 2026 (13 days from now).

Spring

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 667mm across the season with a monthly average of 222mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 27°C. Rainfall is heavy, totalling around 930mm across the season with a monthly average of 310mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1061mm across the season with a monthly average of 354mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 315mm across the season with a monthly average of 105mm. Winds are generally light, averaging 2km/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 Greenville 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
25 °C
28 °C
2 km/h
96 mm
0 cm
Feb
26 °C
29 °C
3 km/h
105 mm
0 cm
Mar
26 °C
29 °C
2 km/h
149 mm
0 cm
Apr
26 °C
29 °C
2 km/h
156 mm
0 cm
May
25 °C
28 °C
2 km/h
363 mm
0 cm
Jun
25 °C
27 °C
3 km/h
474 mm
0 cm
Jul
24 °C
26 °C
4 km/h
227 mm
0 cm
Aug
24 °C
26 °C
4 km/h
229 mm
0 cm
Sep Current
24 °C
26 °C
3 km/h
549 mm
0 cm
Oct
25 °C
27 °C
3 km/h
338 mm
0 cm
Nov
25 °C
28 °C
2 km/h
175 mm
0 cm
Dec
25 °C
28 °C
2 km/h
114 mm
0 cm
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Metric (°C, km/h)