December weather forecastTarzam, Iran
December
Weather in December
The first month of the winter, December, is also a wintry month in Tarzam, Iran, with an average temperature varying between -3.5°C (25.7°F) and 3.2°C (37.8°F).Temperature
The shift to December brings a decrease in the average high-temperature, falling from a chilly 8.5°C (47.3°F) in November to an icy 3.2°C (37.8°F). Tarzam usually reports an average low-temperature of -3.5°C (25.7°F) during the month of December.Humidity
In December, the average relative humidity is 71%.Rainfall
In Tarzam, Iran, during December, the rain falls for 8 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, in Tarzam, there are 120.5 rainfall days, and 352mm (13.86") of precipitation is accumulated.Snowfall
Months with snowfall in Tarzam, Iran, are January through April, October through December. In December, it is snowing for 6.4 days. Throughout December, 94mm (3.7") of snow is accumulated. In Tarzam, during the entire year, snow falls for 33.8 days and aggregates up to 550mm (21.65") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 07:24 and sunset at 17:04. On the last day of December, sunrise is at 07:42 and sunset at 17:14 +0330.
Sunshine
January and December, with an average of 6.5h of sunshine, are months with the least sunshine in Tarzam.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Tarzam. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tarzam, Iran
- Average high temperature in December: 3.2°C
The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -3.5°C
The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in December
Tarzam, Iran
- Average pressure in December: 1022.4mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Tarzam, Iran
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is July (11.8km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in December
Tarzam, Iran
- Average humidity in December: 71%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Tarzam, Iran
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is April (52mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in December
Tarzam, Iran
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in December
Tarzam, Iran
- Average snowfall in December: 94mm
The month with the highest snowfall is January (184mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Tarzam, Iran
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (10.5 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
Tarzam, 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 30min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Tarzam, Iran
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in December
Tarzam, Iran
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Tarzam, Iran
- Average cloud cover in December: 29
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Tarzam, Iran
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
