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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





