December weather forecastKalashan, Iran
December
Weather in December
December, the first month of the winter in Kalashan, is still a cold month, with an average temperature fluctuating between 5.4°C (41.7°F) and -2.5°C (27.5°F).Temperature
Kalashan in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 10.8°C (51.4°F) to a wintry 5.4°C (41.7°F). December's average low-temperature reading settles at a subzero cold -2.5°C (27.5°F).Humidity
In Kalashan, the average relative humidity in December is 64%.Rainfall
In Kalashan, in December, during 6 rainfall days, 11mm (0.43") of precipitation is typically accumulated. In Kalashan, during the entire year, the rain falls for 73.3 days and collects up to 144mm (5.67") of precipitation.Snowfall
January through April and December are months with snowfall in Kalashan, Iran. December is the first month it typically snows in Kalashan. Throughout December, in the average 2.9 snowfall days, it receives 31mm (1.22") of snow. In Kalashan, Iran, during the entire year, snow falls for 13.3 days and aggregates up to 165mm (6.5") of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December in Kalashan, Iran, sunrise is at 07:28 and sunset at 17:11. On the last day of the month, sunrise is at 07:47 and sunset at 17:20 +0330.
Sunshine
The average sunshine in December is 6.9h.UV index
The months with the lowest UV index in Kalashan are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to 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 Sun's radiation is especially intense around midday; try to stay in shade during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, Iran
- Average daylight in December: 9h and 36min
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 36min).
- 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
Kalashan, 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
Kalashan, 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
Kalashan, 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
Kalashan, 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).
