December weather forecastBitervan, Iran
December
Weather in December
The first month of the winter, December, is still a cold month in Bitervan, Iran, with temperature in the range of an average low of -2°C (28.4°F) and an average high of 5.5°C (41.9°F).Temperature
With the commencement of December, Bitervan records a moderate temperature decline, with the average high easing from November's fresh 10.4°C (50.7°F) to a wintry 5.5°C (41.9°F). Bitervan's nights in December cool down to an average low-temperature of -2°C (28.4°F).Humidity
In December, the average relative humidity is 58%.Rainfall
In Bitervan, in December, it is raining for 4.8 days, with typically 32mm (1.26") of accumulated precipitation. In Bitervan, during the entire year, the rain falls for 59.7 days and collects up to 258mm (10.16") of precipitation.Snowfall
Months with snowfall in Bitervan, Iran, are January through April, November and December. In Bitervan, during December, snow falls for 4.1 days and regularly aggregates up to 177mm (6.97") of snow. Throughout the year, there are 23.5 snowfall days, and 678mm (26.69") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 07:07 and sunset at 17:07. On the last day of December, in Bitervan, sunrise is at 07:25 and sunset at 17:17 +0330.
Sunshine
In Bitervan, the average sunshine in December is 6.9h.UV index
The months with the lowest UV index in Bitervan are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, Iran
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
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
Bitervan, 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
Bitervan, 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
Bitervan, 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
Bitervan, 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).
