December weather forecastRahal, Iran
December
Weather in December
December, the first month of the winter in Rahal, is still a cold month, with temperature in the range of an average high of 5.4°C (41.7°F) and an average low of -2.5°C (27.5°F).Temperature
As Rahal enters December, the average high-temperature decreases from the a cool 10.8°C (51.4°F) of November to a wintry 5.4°C (41.7°F). The nighttime temperature in Rahal, during December, averages of -2.5°C (27.5°F).Humidity
The average relative humidity in December is 64%.Rainfall
In Rahal, in December, it is raining for 6 days, with typically 11mm (0.43") of accumulated precipitation. In Rahal, during the entire year, the rain falls for 73.3 days and collects up to 144mm (5.67") of precipitation.Snowfall
Months with snowfall in Rahal are January through April and December. December is the first month it typically snows in Rahal. Throughout December, in the average 2.9 snowfall days, it receives 31mm (1.22") of snow. Throughout the year, in Rahal, there are 13.3 snowfall days, and 165mm (6.5") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:29 and sunset at 17:10. On the last day of December, sunrise is at 07:47 and sunset at 17:19 +0330.
Sunshine
In December, the average sunshine is 6.9h.UV index
The months with the lowest UV index in Rahal are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rahal, Iran
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (20.1°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in December
Rahal, Iran
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is July (1008.5mbar).
Average wind speed in December
Rahal, Iran
- Average wind speed in December: 5.9km/h
The windiest month (with the highest average wind speed) is July (8.5km/h).
The calmest months (with the lowest average wind speed) are November and December (5.9km/h).
Average humidity in December
Rahal, Iran
- Average humidity in December: 64%
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in December
Rahal, Iran
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is April (23mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in December
Rahal, Iran
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is April (10.7 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in December
Rahal, Iran
- Average snowfall in December: 31mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Rahal, Iran
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rahal, Iran
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in December
Rahal, Iran
- Average sunshine days in December: 22.9 days
The months with the most sunshine days are August and November (24.5 days).
The month with the least sunshine days is May (16.3 days).
Average UV index in December
Rahal, Iran
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rahal, Iran
- Average cloud cover in December: 24
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Rahal, Iran
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
