Mecca weather in December
December in Mecca: warm, dry, with poor air quality — a great time to visit.
#4 of 12 months in Mecca · #171 of 604 destinations to visit in December · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Mecca climate normals — December
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 28 mm / 1.1 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 59% | 🍃 comfortable |
| Dew point | 14°C / 57°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 10.9 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 140 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mecca in December — FAQ
- Is December a good time to visit Mecca?
- December in Mecca: warm, dry, with poor air quality — a great time to visit. It ranks #4 of 12 months for Mecca on SeasonMap's comfort score (79/100).
- What is the weather like in Mecca in December?
- In December, Mecca averages a daily high of 28.9°C and a low of 17.8°C, with about 28.1 mm of rain over roughly 3.2 rainy days.
- What is the air quality in Mecca in December?
- Mecca has a mean US Air Quality Index of about 140 in December.