December weather forecastVahnan, Iran
December
Weather in December
December, the first month of the winter in Vahnan, is also a wintry month, with an average temperature fluctuating between 5.5°C (41.9°F) and -2°C (28.4°F).Temperature
The beginning of December brings a minor change in the average high-temperature, shifting from a cool 10.4°C (50.7°F) in November to an icy 5.5°C (41.9°F). Throughout the month of December, the average temperature dips to a subzero cold -2°C (28.4°F) at night.Humidity
In Vahnan, the average relative humidity in December is 58%.Rainfall
In Vahnan, Iran, during December, the rain falls for 4.8 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Vahnan, there are 59.7 rainfall days, and 258mm (10.16") of precipitation is accumulated.Snowfall
Months with snowfall in Vahnan are January through April, November and December. In Vahnan, during December, snow falls for 4.1 days and regularly aggregates up to 177mm (6.97") of snow. In Vahnan, during the entire year, snow falls for 23.5 days and aggregates up to 678mm (26.69") of snow.Daylight
The month with the shortest days in Vahnan is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 07:06 and sunset at 17:05. On the last day of December, in Vahnan, sunrise is at 07:24 and sunset at 17:15 +0330.
Sunshine
The average sunshine in December in Vahnan, Iran, is 6.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vahnan, Iran
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in December
Vahnan, Iran
- Average pressure in December: 1021.8mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is July (1006.4mbar).
Average wind speed in December
Vahnan, Iran
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is November (8.3km/h).
Average humidity in December
Vahnan, Iran
- Average humidity in December: 58%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is July (21%).
Average rainfall in December
Vahnan, Iran
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is March (44mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in December
Vahnan, Iran
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is April (10.4 days).
The month with the least rainy days is September (0.6 days).
Average snowfall in December
Vahnan, Iran
- Average snowfall in December: 177mm
The month with the highest snowfall is February (194mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Vahnan, Iran
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (8.1 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
Vahnan, Iran
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 54min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in December
Vahnan, Iran
- Average sunshine days in December: 24.1 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in December
Vahnan, Iran
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Vahnan, Iran
- Average cloud cover in December: 23
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in December
Vahnan, 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).
