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Muscat weather in December

Weather in Muscat: December

Average day temperature: 78.9°F
Average night temperature: 68.7°F
Sea water temperature: 78.0°F
Number of sunny days: 28 days
Day length: 10.7 - 10.8 hours
Number of rainy days: 0 days
Precipitation totals: 0.2 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 81°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during December were 78.0°F and 68.0°F.

Sea water temperature in Muscat in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 80.2°F and 77.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Muscat in December is 0.2 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 5.3 mph It makes December lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 9.5.

Best time for vacation in Muscat

Sunniest months:
September 30 days
May 30 days
October 30 days
Warmest months:
June 101.4 °F
July 100.1 °F
May 99.5 °F
Warmest sea temp:
June 88.9 °F
July 87.8 °F
May 86.3 °F
Coldest months:
January 76.3 °F
December 78.9 °F
February 79.2 °F
Rainiest months:
April 0 days
November 0 days
March 0 days
Windiest months:
May 7.2 mph
June 6.8 mph
April 6.6 mph

Muscat on a weather map

Muscat
+79°F
N 1 mph
Feels like: +79°F
Precip.: 0%
Places in Oman:
Name
°F
+70°F
+79°F
+68°F
+79°F
+81°F
24 Hours Forecast
Muscat
Local time: 11:53
December 29, monday
1200
79°F
N
1 mph
1500
81°F
SW
6 mph
1800
75°F
W
6 mph
2100
77°F
NW
4 mph
December 30, tuesday
0000
75°F
NE
2 mph
0300
73°F
E
5 mph
0600
72°F
SE
9 mph
0900
72°F
SE
9 mph
Units of measurement: °C / °F