Monrovia weather in December
December in Monrovia: sweltering, rainy, with muggy air — fine if you can take 23 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Monrovia · #735 of 1413 destinations to visit in December · comfort 70/100 (tier B)
- Days
- 29°C
- Nights
- 24°C
- Wet days
- 23
- Sun
- 10.3 h
- Humidity
- 87%
- Daylight
- 12 h

Traveller notes on Monrovia in December
Other months in Monrovia
Detailed month-specific weather trip reports for Monrovia are scarce on the forum, with one general visitor review simply describing the city as hot, hot, hot and recommending mosquito repellent and appropriate clothing without specifying a particular month. Given the limited destination-specific detail, this note is grounded in the well-established regional pattern for coastal Liberia: July sits deep within West Africa's wet season here, with heavy, near-daily rainfall typical of this stretch of the Guinea coast, alongside consistently warm, humid conditions. Posters generally recommend rain gear and mosquito precautions as standard preparation for a Monrovia visit regardless of exact timing, with July specifically calling for genuine readiness for sustained, heavy rain.
Forum posters describe Monrovia's climate in blunt terms - hot, hot, hot - with appropriate clothing and mosquito repellent both standard advice regardless of month. One business traveler specifically noted a January trip, though detailed weather specifics for that visit weren't part of the discussion. Given how few detailed trip reports exist for Monrovia specifically, the general West African coastal dry-season pattern (roughly November through March, cooler and less humid than the wetter months) is the most useful guide for a January visit, even though Monrovia's heat and humidity remain a constant regardless of season according to posters' broader impressions.
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Monrovia climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Monrovia in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 5 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Monrovia's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherMonrovia's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Monrovia in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
The dry season
15 Nov – 15 Apr · usuallyThe one window when the laterite roads up-country are passable and the beaches at Robertsport and Marshall are usable. Outside it, getting out of the city overland is a different proposition entirely.
- Season
Harmattan haze
10 Dec – 10 Feb · usuallyDust seasonA weak version of the Sahelian harmattan reaches the coast for a few weeks: hazy horizons, cooler nights and dry air, which after six months of rain is a relief more than a nuisance. Source ↗
Where is Monrovia?
Monrovia in December — FAQ
- Is December a good time to visit Monrovia?
- December in Monrovia: sweltering, rainy, with muggy air — fine if you can take 23 rainy days. It ranks #2 of 12 months for Monrovia on SeasonMap's comfort score (70/100).
- What is the weather like in Monrovia in December?
- In December, Monrovia averages a daily high of 29.4°C and a low of 24.1°C, with about 97.5 mm of rain over roughly 23 rainy days.
- What is the air quality in Monrovia in December?
- Monrovia has a mean US Air Quality Index of about 92 in December.