December weather forecastAr Riyad, Egypt

December

Weather in December

December, the first month of the winter in Ar Riyad, is also an agreeable month, with temperature in the range of an average high of 21.4°C (70.5°F) and an average low of 11.1°C (52°F).

Temperature

The average high-temperature shows a slight dip in December, from November's warm 26.1°C (79°F) to a pleasant 21.4°C (70.5°F). In the month of December, Ar Riyad experiences an average low-temperature of 11.1°C (52°F).

Humidity

The most humid month is December, with an average relative humidity of 64%.

Rainfall

In Ar Riyad, in December, it is raining for 3 days, with typically 2mm (0.08") of accumulated precipitation. Throughout the year, in Ar Riyad, there are 15.9 rainfall days, and 15mm (0.59") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:34 am and sunset at 4:53 pm. On the last day of December, sunrise is at 6:52 am and sunset at 5:04 pm EET.

Sunshine

The average sunshine in December is 7h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 4 during December translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

In Ar Riyad, in December, the average high-temperature is 21.4°C (70.5°F), and the average low-temperature is 11.1°C (52°F). In October, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 35°C (95°F).

December is the most humid month in Ar Riyad, with an average relative humidity of 64%.

In Ar Riyad, the average relative humidity in December is 64%.

In Ar Riyad, in December, it is raining for 3 days, with typically 2mm (0.08") of accumulated precipitation.

With an average of 10h and 12min of daylight, December has the shortest days of the year.

In December, the average day length in Ar Riyad, Egypt, is 10h and 12min.

In December, on the first day of the month, sunrise is at 6:34 am and sunset at 4:53 pm. On the last day of the month, in Ar Riyad, sunrise is at 6:52 am and sunset at 5:04 pm EET.

In Ar Riyad, Egypt, the average sunshine duration in December is 7h.

January, February and December, with an average maximum UV index of 4, are months with the lowest UV index.

The average daily maximum UV index in December in Ar Riyad, Egypt, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ar Riyad, Egypt

  • Average high temperature in December: 21.4°C

The warmest month (with the highest average high temperature) is July (37.8°C).
The month with the lowest average high temperature is January (19.8°C).

  • Average low temperature in December: 11.1°C

The months with the highest average low temperature are July and August (20.8°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).

Average pressure in December
Ar Riyad, Egypt

  • Average pressure in December: 1018.8mbar

The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1007.8mbar).

Average wind speed in December
Ar Riyad, Egypt

  • Average wind speed in December: 9km/h

The windiest months (with the highest average wind speed) are March and May (10.1km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).

Average humidity in December
Ar Riyad, Egypt

  • Average humidity in December: 64%

The month with the highest relative humidity is December (64%).
The month with the lowest relative humidity is May (47%).

Average rainfall in December
Ar Riyad, Egypt

  • Average rainfall in December: 2mm

The wettest month (with the highest rainfall) is March (6mm).
The driest months (with the least rainfall) are April, May, June, July, August and September (0mm).

Average rainfall days in December
Ar Riyad, Egypt

  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is February (3.3 days).
The months with the least rainy days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Ar Riyad, Egypt

  • Average daylight in December: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in December
Ar Riyad, Egypt

  • Average sunshine days in December: 27.9 days

The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is February (24 days).

Average UV index in December
Ar Riyad, Egypt

  • Average UV index in December: 4

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February and December (UV index 4).

Average cloud cover in December
Ar Riyad, Egypt

  • Average cloud cover in December: 23

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June and July (Cloud cover 5).

Average visibility in December
Ar Riyad, Egypt

  • Average visibility in December: 10km

The months with the highest visibility are May, June, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, July, August and September (9km).