December weather forecastChalan Chulan, Iran
December
Weather in December
The first month of the winter, December, is also a frosty month in Chalan Chulan, Iran, with an average temperature ranging between min 0.2°C (32.4°F) and max 8°C (46.4°F).Temperature
December ushers in a minor alteration in Chalan Chulan's climate, with the average high-temperature moving from November's fresh 12.5°C (54.5°F) to a chilly 8°C (46.4°F). Chalan Chulan observes an average low-temperature of 0.2°C (32.4°F) during December nights.Humidity
In December, the average relative humidity is 54%.Rainfall
In December, in Chalan Chulan, the rain falls for 8.5 days. Throughout December, 46mm (1.81") of precipitation is accumulated. Throughout the year, in Chalan Chulan, there are 64.6 rainfall days, and 300mm (11.81") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Chalan Chulan, in December, during 1 snowfall days, 13mm (0.51") of snow is typically accumulated. In Chalan Chulan, during the entire year, snow falls for 10.9 days and aggregates up to 259mm (10.2") of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 07:01 and sunset at 17:05. On the last day of December, sunrise is at 07:18 and sunset at 17:16 +0330.
Sunshine
In December, the average sunshine is 7h.UV index
The months with the lowest UV index are January, February 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: The UV index of 2 during December translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chalan Chulan, Iran
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is July (34.6°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is July (17°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in December
Chalan Chulan, Iran
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is July (1004.2mbar).
Average wind speed in December
Chalan Chulan, Iran
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).
Average humidity in December
Chalan Chulan, Iran
- Average humidity in December: 54%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is July (18%).
Average rainfall in December
Chalan Chulan, Iran
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is March (59mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in December
Chalan Chulan, Iran
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is March (11.2 days).
The months with the least rainy days are July and August (0.3 days).
Average snowfall in December
Chalan Chulan, Iran
- Average snowfall in December: 13mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Chalan Chulan, Iran
- Average snowfall days in December: 1 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
Chalan Chulan, Iran
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 7h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in December
Chalan Chulan, Iran
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (16.7 days).
Average UV index in December
Chalan Chulan, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Chalan Chulan, Iran
- Average cloud cover in December: 21
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in December
Chalan Chulan, 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).
