December weather forecastZirian, Iran
December
Weather in December
December, the first month of the winter in Zirian, is also a wintry month, with an average temperature varying between -2.7°C (27.1°F) and 3.9°C (39°F).Temperature
December reveals a small adjustment in temperature, transitioning from an average high of a frosty 8.5°C (47.3°F) in November to a cold 3.9°C (39°F). Zirian, during December, witnesses an average low-temperature of -2.7°C (27.1°F).Humidity
In Zirian, the average relative humidity in December is 66%.Rainfall
In Zirian, in December, during 5.3 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Zirian, there are 100.2 rainfall days, and 282mm (11.1") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Zirian, in December, during 5.2 snowfall days, 93mm (3.66") of snow is typically accumulated. Throughout the year, there are 29.7 snowfall days, and 464mm (18.27") of snow is accumulated.Daylight
The month with the shortest days in Zirian is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:21 and sunset at 17:00. On the last day of December, sunrise is at 07:40 and sunset at 17:09 +0330.
Sunshine
The month with the least sunshine is December, with an average of 6.7h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Zirian, Iran. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Zirian, Iran
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Zirian, Iran
- Average pressure in December: 1022.1mbar
The month with the highest atmospheric pressure is December (1022.1mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in December
Zirian, Iran
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is March (14.2km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in December
Zirian, Iran
- Average humidity in December: 66%
The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are July and August (52%).
Average rainfall in December
Zirian, Iran
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in December
Zirian, Iran
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Zirian, Iran
- Average snowfall in December: 93mm
The month with the highest snowfall is January (112mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Zirian, Iran
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Zirian, 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 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Zirian, Iran
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Zirian, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Zirian, Iran
- Average cloud cover in December: 25
The month with the most cloud cover is February (Cloud cover 30).
The months with the least cloud cover are June, July and August (Cloud cover 14).
Average visibility in December
Zirian, Iran
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
