Monrovia, Liberia Climate & Monthly Averages

Liberia 🇱🇷 · tropical rainforest climate
Annual avg
79°
Hottest month
April
Coldest month
August
Rainy days / yr
305
Sunshine
8.7 h/day
Right now: 76° and light rain - see live conditions

The climate of Monrovia

Located in Liberia, Monrovia experiences a tropical rainforest climate with steady heat, high humidity and frequent downpours in every month. Afternoon temperatures peak near 85°F (29°C) in April and dip to about 80°F (26°C) in August, with around 141.7 inches (3598 mm) of precipitation falling across the year.

Climate quick facts

  • Hottest month: April - highs near 85°F (29°C)
  • Coldest month: August - highs near 80°F (26°C)
  • Record high: 92°F (34°C) · Record low: 69°F (20°C) (2015–2024)
  • Wettest month: August (28 rainy days) · Sunniest: February (10.2 h sun/day)
  • Climate type: tropical rainforest - steady heat, high humidity and frequent downpours in every month

Temperatures through the year

The warmest stretch of the year centers on April. Highs average 85°F (29°C) and overnight lows stay near 77°F (25°C). The coolest month is August, with typical highs of 80°F (26°C) and lows around 74°F (23°C). Based on 2015–2024 weather data, temperatures have reached as high as 92°F (34°C) and dropped as low as 69°F (20°C).

Rain, sun and snow

August is usually the wettest month. It brings about 23.8 inches (605 mm) of rain over 28 days, while February is the driest. February brings the most sunshine, averaging 10.2 hours of sun a day.

Monthly climate table

Monthly averages for Monrovia based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 85° 75° 18 2.8 in 10.0 h/day 85%
February 85° 76° 16 2.8 in 10.2 h/day 86%
March 85° 76° 21 4.7 in 9.7 h/day 87%
April 85° 77° 26 6.2 in 9.5 h/day 87%
May 84° 76° 30 13.2 in 8.4 h/day 89%
June 82° 74° 30 22.6 in 7.4 h/day 90%
July 80° 74° 29 19.2 in 7.3 h/day 87%
August 80° 74° 28 23.8 in 6.6 h/day 88%
September 80° 74° 29 22.2 in 6.7 h/day 91%
October 82° 74° 30 13.6 in 8.4 h/day 90%
November 83° 74° 28 7.2 in 9.5 h/day 89%
December 85° 75° 20 3.3 in 10.1 h/day 85%

Monrovia month by month

Monrovia weather in January

January brings highs around 85°F (29°C), lows near 75°F (24°C), about 18 wet days.

Monrovia weather in February

February brings highs around 85°F (29°C), lows near 76°F (24°C), about 16 wet days - typically the driest month and the sunniest month of the year in Monrovia.

Monrovia weather in March

March brings highs around 85°F (29°C), lows near 76°F (25°C), about 21 wet days.

Monrovia weather in April

April brings highs around 85°F (29°C), lows near 77°F (25°C), about 26 wet days - typically the hottest month of the year in Monrovia.

Monrovia weather in May

May brings highs around 84°F (29°C), lows near 76°F (24°C), about 30 wet days.

Monrovia weather in June

June brings highs around 82°F (28°C), lows near 74°F (24°C), about 30 wet days.

Monrovia weather in July

July brings highs around 80°F (27°C), lows near 74°F (23°C), about 29 wet days.

Monrovia weather in August

August brings highs around 80°F (26°C), lows near 74°F (23°C), about 28 wet days - typically the coldest month and the wettest month of the year in Monrovia.

Monrovia weather in September

September brings highs around 80°F (27°C), lows near 74°F (23°C), about 29 wet days.

Monrovia weather in October

October brings highs around 82°F (28°C), lows near 74°F (23°C), about 30 wet days.

Monrovia weather in November

November brings highs around 83°F (28°C), lows near 74°F (24°C), about 28 wet days.

Monrovia weather in December

December brings highs around 85°F (29°C), lows near 75°F (24°C), about 20 wet days.

Seasons in Monrovia

March through May

March through May in Monrovia runs hot, with daytime highs averaging 84°F (29°C) and nights around 76°F (25°C); expect showers on roughly 76 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.

June through August

June through August in Monrovia brings comfortable warmth, with daytime highs averaging 80°F (27°C) and nights around 74°F (23°C); expect showers on roughly 87 days across the season.

September through November

September through November in Monrovia brings hot afternoons, with daytime highs averaging 82°F (28°C) and nights around 74°F (23°C); expect showers on roughly 88 days across the season.

December through February

December through February in Monrovia runs hot, with daytime highs averaging 85°F (29°C) and nights around 75°F (24°C); expect showers on roughly 54 days across the season.

Climate questions, answered

What is the average temperature in Monrovia?
Averaged over all twelve months, Monrovia sits at 79°F (26°C) - about 83°F (28°C) by day and 75°F (24°C) after dark.
Is Monrovia hot in summer?
Comfortably hot rather than punishing - typical April afternoons reach 85°F (29°C).
Is Monrovia cold in winter?
Barely - the coolest nights of the year (August) still average a mild 74°F (23°C).
How many rainy days does Monrovia get in a year?
Count on around 305 days of rain or snow annually - concentrated in August, sparsest in February.

Best time to visit Monrovia

The best time to visit Monrovia is generally May to October, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 81°F (27°C).

Pack for Monrovia with a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - April nights average 77°F (25°C).

Monrovia temperature records (2015-2024)

Highest recorded
92°
in December
Lowest recorded
69°
in December
Annual precipitation
141.7"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.