December weather forecast
Ruwi, Oman

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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.

Frequently asked questions

What is the usual temperature for Ruwi in December?

The high-temperature during December is 24.7°C (76.5°F) and the low-temperature is 20.5°C (68.9°F). In November, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 29°C (84.2°F).

What is the average humidity in December in Ruwi?

In Ruwi, Oman, the average relative humidity in December is 57%.

How much does it rain in Ruwi in December?

In Ruwi, Oman, during December, the rain falls for 2.5 days and regularly aggregates up to 5mm (0.2") of precipitation.

What is the month with the shortest days in Ruwi?

December has the shortest days of the year in Ruwi, with an average of 10h and 42min of daylight.

How many hours of daylight does Ruwi have in December?

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

When is the sunrise / sunset in December in Ruwi?

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.

What are the months with the least sunshine in Ruwi?

January and December, with an average of 7.5h of sunshine, are months with the least sunshine in Ruwi, Oman.

How long on average sun shines in December in Ruwi?

The average sunshine duration in December in Ruwi, Oman, is 7.5h.

What are the months with the lowest UV index in Ruwi?

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

What is the UV index intensity in December in Ruwi?

In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in December
Ruwi, Oman

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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Ruwi, 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 3min

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 - 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 - 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 - 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 - 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).

Ruwi, Oman

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