December weather forecast
Rusayl, Oman

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Weather in December

Rounding off the year, December sees Rusayl migrate to a comfortable winter condition with the high temperature witnessing a sharp fall to 24.8°C (76.6°F). The month brings a slow but steady rise in rainfall, promising a refreshing end to the year. The duration of sunshine dips further, painting December with longer shadows and shorter days. The wind speed gravitates towards its lowest for the year, making for calm and serene conditions. As January draws near again, Rusayl braces for a moderate winter spell before the cycle recommences.

Temperature

The transition to December in Rusayl results in a modest reduction in average high-temperature, moving from 28.7°C (83.7°F) in November to a still warm 24.8°C (76.6°F). December nights cool down to an average low-temperature of 18.9°C (66°F).

Humidity

In Rusayl, the average relative humidity in December is 56%.

Rainfall

In Rusayl, during December, the rain falls for 3.2 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, in Rusayl, there are 25.2 rainfall days, and 51mm (2.01") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Rusayl, Oman, with an average of 10h and 42min of daylight.
On the first day of December in Rusayl, sunrise is at 06:32 and sunset at 17:20. On the last day of the month, sunrise is at 06:48 and sunset at 17:31 +04.

Sunshine

In December, the average sunshine is 7.6h.

UV index

The months with the lowest UV index in Rusayl are January, February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the usual temperature for Rusayl in December?

In December, in Rusayl, the average high-temperature is 24.8°C (76.6°F), and the average low-temperature is 18.9°C (66°F). In November, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 30°C (86°F).

What is the average humidity in December in Rusayl?

In December, the average relative humidity in Rusayl, Oman, is 56%.

How much does it rain in Rusayl in December?

In Rusayl, in December, it is raining for 3.2 days, with typically 8mm (0.31") of accumulated precipitation.

What is the month with the shortest days in Rusayl?

With an average of 10h and 42min of daylight, December has the shortest days of the year in Rusayl, Oman.

What is the average length of the day in December in Rusayl?

The average day length in December in Rusayl, Oman, is 10h and 43min.

When is the sunrise / sunset in December in Rusayl?

On the first day of December in Rusayl, Oman, sunrise is at 06:32 and sunset at 17:20. On the last day of the month, sunrise is at 06:48 and sunset at 17:31 +04.

How many hours of sunshine does Rusayl have in December?

The average sunshine duration in December in Rusayl is 7.6h.

What is the month with the lowest UV index in Rusayl?

The months with the lowest UV index in Rusayl, Oman, are January, February, November and December, with an average maximum UV index of 6.

What is the UV index reading in December in Rusayl?

In December, the average daily maximum UV index in Rusayl, Oman, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Rusayl, Oman

Average temperature in December - Rusayl, Oman
  • Average high temperature in December: 24.8°C

The warmest month (with the highest average high temperature) is June (38.4°C).
The month with the lowest average high temperature is January (23.5°C).

  • Average low temperature in December: 18.9°C

The months with the highest average low temperature are June and July (31.1°C).
The coldest month (with the lowest average low temperature) is January (17.3°C).

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Average pressure in December
Rusayl, Oman

Average pressure in December - Rusayl, 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 (998mbar).

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Average wind speed in December
Rusayl, Oman

Average wind speed in December - Rusayl, Oman
  • Average wind speed in December: 8.1km/h

The windiest month (with the highest average wind speed) is May (11.1km/h).
The calmest month (with the lowest average wind speed) is December (8.1km/h).

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Average humidity in December
Rusayl, Oman

Average humidity in December - Rusayl, Oman
  • Average humidity in December: 56%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is May (33%).

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Average rainfall in December
Rusayl, Oman

Average rainfall in December - Rusayl, Oman
  • Average rainfall in December: 8mm

The wettest month (with the highest rainfall) is January (9mm).
The driest month (with the least rainfall) is September (0mm).

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Average rainfall days in December
Rusayl, Oman

Average rainfall days in December - Rusayl, Oman
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is March (4.3 days).
The month with the least rainy days is September (0.1 days).

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Average daylight in December /
Average sunshine in December
Rusayl, Oman

Average daylight in December / Average sunshine in December - Rusayl, Oman
  • Average daylight in December: 10h and 4min

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 4min

The months with the most sunshine are May and August (Average sunshine: 12h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).

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Average sunshine days in December
Rusayl, Oman

Average sunshine days in December - Rusayl, Oman
  • Average sunshine days in December: 27.3 days

The month with the most sunshine days is September (29.9 days).
The month with the least sunshine days is February (25.1 days).

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Average UV index in December
Rusayl, Oman

Average UV index in December - Rusayl, 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).

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Average cloud cover in December
Rusayl, Oman

Average cloud cover in December - Rusayl, Oman
  • Average cloud cover in December: 7

The months with the most cloud cover are March and April (Cloud cover 9).
The month with the least cloud cover is September (Cloud cover 2).

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Average visibility in December
Rusayl, Oman

Average visibility in December - Rusayl, 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).

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Rusayl, Oman

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