Climate guide for Muscat, Oman

Muscat in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Oman

Best time to visit Muscat in December Weather, crowds & prices

Weather in Muscat in December

Average temperature 23°C, 5 mm of rain, about 31 days with 6+ hours of sunshine and 57% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

9.3/10

Ranked #3 of 12 months

Full year for Muscat
Avg temp
23°C
Rainfall
5 mm
Humidity
57%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Muscat scores 9.3/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 23°C, 5 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Muscat stretches along a bay between the Hajar Mountains and the Gulf of Oman, with forts, souqs, and clean beaches.

December in Muscat — one of the year's strongest windows (3rd)

At 23°C (73°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.

At just 5 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 10.7 hours of daylight.

On our climate-comfort scale this is one of the strongest months of the year for Muscat at 9.3/10 (3rd of 12), just behind January at 9.7/10.

Pack light clothing, a hat and real sun protection.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Muscat in December?
In December, Muscat averages 23°C, 5 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
Is December a good time to visit Muscat?
December earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Muscat in December?
Expect about 5 mm of rain in December. Average humidity is 57% and there are about 31 days with 6+ hours of sunshine.

Curated in Muscat

Tickets & experiences

Things to do in Muscat

Muscat, Oman. Live activities and tours from GetYourGuide, matched to this destination.