January weather forecastMuscat, Oman

January
Weather in January
January weather transitions from the mild chill of winter to slightly warmer temperatures in Muscat, Oman. The city receives a negligible amount of precipitation with a rainfall of a mere 13mm (0.51"). The month's low temperatures render it a preferred time for many to explore the region’s desert landscapes. A comfortable level of humidity and generous daylight hours allow tourists ample time to partake in outdoor activities. The familiar winter chill begins to subside towards the end of the month preparing for the mild warmth of February.Temperature
In Muscat, the lowest average temperatures are observed in January, with a high of 25.5°C (77.9°F) and a low of 17.3°C (63.1°F).Humidity
In Muscat, the average relative humidity in January is 63%.Rainfall
In Muscat, Oman, in January, it is raining for 1 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, in Muscat, there are 10 rainfall days, and 100mm (3.94") of precipitation is accumulated.Sea temperature
In January, the average sea temperature in Muscat is 24.3°C (75.7°F).Note: When thinking about a swim in 24.3°C (75.7°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
In Muscat, Oman, the average length of the day in January is 10h and 52min.On the first day of January in Muscat, Oman, sunrise is at 06:48 and sunset at 17:30. On the last day of the month, sunrise is at 06:47 and sunset at 17:52 +04.
Sunshine
The average sunshine in January is 8.7h.UV index
January and December, with an average maximum UV index of 6, are months with the lowest UV index in Muscat. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 6 suggests this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The UV exposure is heightened with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Muscat, Oman
- Average high temperature in January: 25.5°C
The warmest month (with the highest average high temperature) is June (40.4°C).
The month with the lowest average high temperature is January (25.5°C).
- Average low temperature in January: 17.3°C
The month with the highest average low temperature is June (30.6°C).
The coldest month (with the lowest average low temperature) is January (17.3°C).
Average humidity in January
Muscat, Oman
- Average humidity in January: 63%
The month with the highest relative humidity is August (67%).
The month with the lowest relative humidity is May (42%).
Average rainfall in January
Muscat, Oman
- Average rainfall in January: 12.8mm
The wettest month (with the highest rainfall) is February (24.5mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in January
Muscat, Oman
- Average rainfall days in January: 1 days
The month with the highest number of rainy days is February (3 days).
The months with the least rainy days are May, June, July, September, October and November (0 days).
Average sea temperature in January
Muscat, Oman
- Average sea temperature in January: 24.3°C
The best month for swimming (with the highest average sea temperature) is June (31.6°C).
The coldest month (with the lowest average sea temperature) is February (23.3°C).
Average daylight in January /
Average sunshine in January
Muscat, Oman
- Average daylight in January: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in January: 8h and 42min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 8h and 36min).
Average UV index in January
Muscat, Oman
- Average UV index in January: 6
The months with the highest UV index are April, May, June, July and August (UV index 12).
The months with the lowest UV index are January and December (UV index 6).





