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Monrovia Weather by Month
Average temperatures, rainfall and humidity for Monrovia, Liberia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Monrovia month looks like before you travel — then check the live Monrovia forecast for the days ahead.
Warmest month
January
31°C average high
Coolest month
August
23°C average low
Wettest month
September
212 mm of rain
Driest month
January
25 mm of rain
Average temperature and rainfall in Monrovia by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 31°C | 24°C | 17°C / 35°C | 25 mm | 82% | 11 km/h |
| February | 31°C | 25°C | 21°C / 36°C | 44 mm | 83% | 12 km/h |
| March | 31°C | 25°C | 21°C / 36°C | 46 mm | 83% | 11 km/h |
| April | 31°C | 25°C | 22°C / 35°C | 105 mm | 83% | 11 km/h |
| May | 30°C | 25°C | 20°C / 35°C | 125 mm | 85% | 11 km/h |
| June | 29°C | 24°C | 21°C / 33°C | 186 mm | 88% | 11 km/h |
| July | 27°C | 24°C | 21°C / 35°C | 211 mm | 88% | 13 km/h |
| August | 27°C | 23°C | 19°C / 32°C | 159 mm | 88% | 14 km/h |
| September | 28°C | 24°C | 21°C / 32°C | 212 mm | 90% | 12 km/h |
| October | 29°C | 24°C | 21°C / 39°C | 157 mm | 88% | 10 km/h |
| November | 30°C | 24°C | 22°C / 35°C | 104 mm | 84% | 10 km/h |
| December | 31°C | 24°C | 20°C / 35°C | 36 mm | 82% | 10 km/h |
Best time to visit Monrovia
The most comfortable time to visit Monrovia is generally March and December to January, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around September, totalling about 1,410 mm a year.
Travellers who prefer heat should aim for January, when highs average 31°C. September is the month to avoid if rain would spoil your plans — it averages 212 mm, roughly 8× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Monrovia forecast for what is happening now.
