SeasonMapMuscat (Oman) weather in December
Oman
December in Muscat: warm, dry — an excellent time to visit.
#3 of 12 months in Muscat · #221 of 1383 destinations to visit in December · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Muscat in December
Other months in Muscat
Muscat's forum rates January as the best month of the year — warm and sunny by day, shorts-and-t-shirt weather, but cooling enough after sunset that a sweater is standard advice for the evening. Regulars note the days are noticeably short this time of year, with sunset around 5:45pm.
Add your own note from Muscat's card on the map.
Muscat climate normals — December
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Feels like (high) | 27°C / 81°F | |
| Sea temperature | 26°C / 80°F | 😎 warm sea |
| Rainfall | 8 mm / 0.3 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 63% | 💧 humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 9.8 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.
Crowds in Muscat in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 5 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Muscat's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherMuscat's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
Where is Muscat?
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 (87/100).
- What is the weather like in Muscat in December?
- In December, Muscat averages a daily high of 26.8°C and a low of 18.1°C, with about 8.2 mm of rain over roughly 1.1 rainy days.
- What is the air quality in Muscat in December?
- Muscat has a mean US Air Quality Index of about 71 in December.