Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a chilly 8.4°C (47.1°F) in November to a cold 3.7°C (38.7°F). During the month of December, an average low-temperature of -2.9°C (26.8°F) is recorded in Jeyran.Humidity
In Jeyran, Iran, the average relative humidity in December is 68%.Rainfall
In Jeyran, in December, it is raining for 7.2 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 108 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Jeyran, Iran. In December, it is snowing for 8.7 days. Throughout December, 135mm (5.31") of snow is accumulated. Throughout the year, there are 42.1 snowfall days, and 766mm (30.16") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 07:11 and sunset at 17:04. On the last day of the month, sunrise is at 07:29 and sunset at 17:14 +0330.
Sunshine
The months with the least sunshine in Jeyran, Iran, are January and December, with an average of 6.5h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Jeyran?
What is the average humidity in December in Jeyran?
How many days does it rain in December in Jeyran?
How many days does it snow in December in Jeyran?
What is the month with the shortest days in Jeyran?
What is the average length of the day in December in Jeyran?
What time are sunrise and sunset in December in Jeyran?
What are the months with the least sunshine in Jeyran?
How many hours of sunshine does Jeyran have in December?
What are the months with the lowest UV index in Jeyran?
What is the UV index intensity in December in Jeyran?
Average temperature in December
Jeyran, Iran
- Average high temperature in December: 3.7°C
The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in December
Jeyran, Iran
- Average pressure in December: 1022.2mbar
The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Jeyran, Iran
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is November (9.9km/h).
Average humidity in December
Jeyran, Iran
- Average humidity in December: 68%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is June (44%).
Average rainfall in December
Jeyran, Iran
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is April (64mm).
The driest months (with the least rainfall) are August and September (5mm).
Average rainfall days in December
Jeyran, Iran
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in December
Jeyran, Iran
- Average snowfall in December: 135mm
The month with the highest snowfall is January (175mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Jeyran, Iran
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.3 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
Jeyran, Iran
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Jeyran, Iran
- Average sunshine days in December: 18 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in December
Jeyran, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Jeyran, Iran
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
Jeyran, Iran
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
