December weather forecastRuwi, Oman
December
Weather in December
Arriving with temperatures spiking from 20.5°C (68.9°F) to 24.7°C (76.5°F), December is the coldest month in Ruwi, Oman. It becomes more receptive to the winter chill, with early dusk and fewer daylight hours signaling shorter days ahead. Thanks to the low UV index of 6, outside activities can be conducted without worrying about excessive sun exposure. Despite the minimal rainfall, December's noticeable weather pattern changes align with winter season characteristics. Conclusively, the constant 10km (6.2mi) visibility despite lower temperatures sets December apart, ending the year on a relatively chilly note.Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 28.1°C (82.6°F) in November to a still moderately hot 24.7°C (76.5°F). Ruwi, in the month of December, notes an average low temperature of 20.5°C (68.9°F), indicating a small decrease from the daytime highs.Humidity
In December, the average relative humidity is 57%.Rainfall
In Ruwi, in December, it is raining for 2.5 days, with typically 5mm (0.2") of accumulated precipitation. In Ruwi, during the entire year, the rain falls for 21.4 days and collects up to 43mm (1.69") of precipitation.Daylight
The month with the shortest days in Ruwi is December, with an average of 10h and 42min of daylight.On the first day of December in Ruwi, sunrise is at 06:31 and sunset at 17:18. On the last day of the month, sunrise is at 06:47 and sunset at 17:30 +04.
Sunshine
The months with the least sunshine in Ruwi are January and December, with an average of 7.5h of sunshine.UV index
The months with the lowest UV index in Ruwi are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ruwi, Oman
- Average high temperature in December: 24.7°C
The warmest month (with the highest average high temperature) is June (36.6°C).
The month with the lowest average high temperature is January (23.4°C).
- Average low temperature in December: 20.5°C
The month with the highest average low temperature is June (31.5°C).
The coldest month (with the lowest average low temperature) is January (19°C).
Average pressure in December
Ruwi, Oman
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is January (1017.3mbar).
The month with the lowest atmospheric pressure is July (997.9mbar).
Average wind speed in December
Ruwi, Oman
- Average wind speed in December: 9.7km/h
The windiest months (with the highest average wind speed) are February and May (11.6km/h).
The calmest months (with the lowest average wind speed) are September and October (9.5km/h).
Average humidity in December
Ruwi, Oman
- Average humidity in December: 57%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is May (42%).
Average rainfall in December
Ruwi, Oman
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is June (8mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in December
Ruwi, Oman
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is March (3.6 days).
The month with the least rainy days is September (0 days).
Average daylight in December /
Average sunshine in December
Ruwi, Oman
- Average daylight in December: 10h and 42min
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 December: 7h and 30min
The months with the most sunshine are May and August (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 7h and 30min).
Average sunshine days in December
Ruwi, Oman
- Average sunshine days in December: 27.3 days
The months with the most sunshine days are September and October (30 days).
The month with the least sunshine days is February (26.2 days).
Average UV index in December
Ruwi, Oman
- Average UV index in December: 6
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in December
Ruwi, Oman
- Average cloud cover in December: 6
The month with the most cloud cover is March (Cloud cover 9).
The month with the least cloud cover is September (Cloud cover 2).
Average visibility in December
Ruwi, Oman
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
