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Climate guideThirty-year normals for Monrovia
Monrovia climate by month
Tropical monsoon · AmBest Jan–Feb · Dec
Annual mean26°day and night
Seasonal swing2°warmest vs coolest
Precipitation3,210 mm195 wet days a year
6.30° N, 10.80° WElevation 32 mUTC+0 · Greenwich Mean Time
When to goMonrovia · weather score
Best timeJan–Feb · Dec
October: high / low27° / 24°
iSummary
What the weather is like
Monrovia has a tropical monsoon climate (Köppen Am): .
The warmest month is April, when afternoons average 29° and nights 25°. August is the coolest month, with highs of 26° and lows of 24°. The difference between the warmest and the coolest month is about 2°, a small seasonal swing typical of places tempered by the sea.
About 3,210 mm of precipitation falls in an average year. September is the wettest month (457 mm, 27 wet days) and January the driest (32 mm, 2 wet days). Cloud cover ranges from 21% in January to 61% in August.
The sea reaches about 29° in May. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Year in figures
- Hottest afternoons
- 29° · April
- Coldest nights
- 24° · August
- Wettest month
- September
- Driest month
- January
- Clearest skies
- January · 21% cloud
- Warmest sea
- 29° · May
- Longest day
- 12 h 29 min
- Shortest day
- 11 h 46 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 29° | 29° | 29° | 29° | 28° | 27° | 26° | 26° | 27° | 27° | 28° | 28° |
| Average low | 24° | 25° | 25° | 25° | 25° | 24° | 24° | 24° | 24° | 24° | 24° | 24° |
| Precipitation | 32 mm | 64 mm | 94 mm | 188 mm | 318 mm | 523 mm | 456 mm | 527 mm | 457 mm | 356 mm | 141 mm | 54 mm |
| Wet days (≥1 mm) | 1.8 | 4.8 | 13 | 15.8 | 21.2 | 22.8 | 26.5 | 26.3 | 26.7 | 22.3 | 10.3 | 3.7 |
| Cloud cover | 21% | 25% | 37% | 50% | 57% | 54% | 57% | 61% | 54% | 48% | 38% | 27% |
| Sea temperature | 28° | 27° | 27° | 28° | 29° | 28° | 27° | 27° | 27° | 28° | 28° | 29° |
| Daylight | 11h 48 | 11h 55 | 12h 05 | 12h 15 | 12h 24 | 12h 29 | 12h 27 | 12h 20 | 12h 09 | 11h 59 | 11h 50 | 11h 46 |
| Month score | 81 | 74 | 51 | 43 | 41 | 47 | 50 | 49 | 50 | 49 | 60 | 78 |
ivMonth by month
Monrovia in every month
January81
29° / 24°
32 mm · 1.8 wet days
February74
29° / 25°
64 mm · 4.8 wet days
March51
29° / 25°
94 mm · 13 wet days
April43
29° / 25°
188 mm · 15.8 wet days
May41
28° / 25°
318 mm · 21.2 wet days
June47
27° / 24°
523 mm · 22.8 wet days
July50
26° / 24°
456 mm · 26.5 wet days
August49
26° / 24°
527 mm · 26.3 wet days
September50
27° / 24°
457 mm · 26.7 wet days
October49
27° / 24°
356 mm · 22.3 wet days
November60
28° / 24°
141 mm · 10.3 wet days
December78
28° / 24°
54 mm · 3.7 wet days