Muscat weather in December
December in Muscat: warm, dry — an excellent time to visit.
#3 of 12 months in Muscat · #65 of 604 destinations to visit in December · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Muscat climate normals — December
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 65°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 9 mm / 0.3 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 10.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 71 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Muscat in December — FAQ
- Is December a good time to visit Muscat?
- December in Muscat: warm, dry — an excellent time to visit. It ranks #3 of 12 months for Muscat on SeasonMap's comfort score (86/100).
- What is the weather like in Muscat in December?
- In December, Muscat averages a daily high of 25.6°C and a low of 18.6°C, with about 8.5 mm of rain over roughly 1.4 rainy days.
- What is the air quality in Muscat in December?
- Muscat has a mean US Air Quality Index of about 71 in December.