Monrovia weather in January
January in Monrovia: sweltering, a little rain, with very humid — one of the best months to visit.
#1 of 12 months in Monrovia · #296 of 604 destinations to visit in January · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Monrovia climate normals — January
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 72 mm / 2.8 in | 🌦 some rain |
| Rainy days | 20 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.8 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 77 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Monrovia?
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Monrovia in January — FAQ
- Is January a good time to visit Monrovia?
- January in Monrovia: sweltering, a little rain, with very humid — one of the best months to visit. It ranks #1 of 12 months for Monrovia on SeasonMap's comfort score (69/100).
- What is the weather like in Monrovia in January?
- In January, Monrovia averages a daily high of 29.8°C and a low of 24.5°C, with about 72.1 mm of rain over roughly 20 rainy days.
- What is the air quality in Monrovia in January?
- Monrovia has a mean US Air Quality Index of about 77 in January.