December weather forecastDehaj, Iran
December
Weather in December
The first month of the winter, December, is still a refreshing month in Dehaj, Iran, with an average temperature ranging between max 13.5°C (56.3°F) and min 4.4°C (39.9°F).Temperature
In the transition to December, Dehaj observes a minor drop in the average high-temperature, shifting from an enjoyable 16.9°C (62.4°F) in November to a mild 13.5°C (56.3°F). Throughout the month of December, Dehaj observes an average nighttime temperature of 4.4°C (39.9°F).Humidity
In December, the average relative humidity is 34%.Rainfall
In Dehaj, in December, during 2.5 rainfall days, 10mm (0.39") of precipitation is typically accumulated. Throughout the year, there are 40.1 rainfall days, and 97mm (3.82") of precipitation is accumulated.Snowfall
March through October and December are months without snowfall.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:30 and sunset at 16:48. On the last day of December, sunrise is at 06:47 and sunset at 16:59 +0330.
Sunshine
In December, the average sunshine is 7.4h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dehaj, Iran
- Average high temperature in December: 13.5°C
The warmest month (with the highest average high temperature) is July (35.3°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is July (23.8°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in December
Dehaj, Iran
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1004.1mbar).
Average wind speed in December
Dehaj, Iran
- Average wind speed in December: 9.3km/h
The windiest month (with the highest average wind speed) is March (15.1km/h).
The calmest month (with the lowest average wind speed) is October (8.9km/h).
Average humidity in December
Dehaj, Iran
- Average humidity in December: 34%
The months with the highest relative humidity are January and February (39%).
The month with the lowest relative humidity is June (12%).
Average rainfall in December
Dehaj, Iran
- Average rainfall in December: 10mm
The wettest month (with the highest rainfall) is April (21mm).
The driest month (with the least rainfall) is June (0mm).
Average rainfall days in December
Dehaj, Iran
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is April (9 days).
The month with the least rainy days is June (0.3 days).
Average snowfall in December
Dehaj, Iran
- Average snowfall in December: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Dehaj, Iran
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Dehaj, Iran
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 7h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in December
Dehaj, Iran
- Average sunshine days in December: 27.9 days
The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is April (18.2 days).
Average UV index in December
Dehaj, Iran
- Average UV index in December: 3
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Dehaj, Iran
- Average cloud cover in December: 12
The month with the most cloud cover is April (Cloud cover 16).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in December
Dehaj, Iran
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





