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 onset of December entails a temperature shift, as the average high-temperature decreases from a cool 10.9°C (51.6°F) in November to an icy 5.9°C (42.6°F). Throughout December, Birun's nights cool down to an average of -1°C (30.2°F).Humidity
In December, the average relative humidity is 62%.Rainfall
In Birun, during December, the rain falls for 6.5 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 75.3 rainfall days, and 167mm (6.57") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Birun, during December, snow falls for 2.5 days and regularly aggregates up to 37mm (1.46") of snow. Throughout the year, there are 14.3 snowfall days, and 242mm (9.53") of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:14 and sunset at 17:00. On the last day of the month, sunrise is at 07:32 and sunset at 17:10 +0330.
Sunshine
The month with the least sunshine is December, with an average of 6.9h of sunshine.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Birun?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Birun have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Birun have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Birun, Iran
- Average high temperature in December: 5.9°C
The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is July (18.9°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in December
Birun, 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 (1009.2mbar).
Average wind speed in December
Birun, Iran
- Average wind speed in December: 5.1km/h
The windiest month (with the highest average wind speed) is July (11.3km/h).
The calmest month (with the lowest average wind speed) is December (5.1km/h).
Average humidity in December
Birun, Iran
- Average humidity in December: 62%
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is June (35%).
Average rainfall in December
Birun, Iran
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is March (26mm).
The driest months (with the least rainfall) are August and September (2mm).
Average rainfall days in December
Birun, Iran
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in December
Birun, Iran
- Average snowfall in December: 37mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Birun, Iran
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (5.3 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
Birun, Iran
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Birun, Iran
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is April (15.1 days).
Average UV index in December
Birun, 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
Birun, Iran
- Average cloud cover in December: 22
The month with the most cloud cover is February (Cloud cover 27).
The months with the least cloud cover are June, August and September (Cloud cover 7).
Average visibility in December
Birun, 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).
