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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a frosty 8.4°C (47.1°F) in November to a wintry 3.7°C (38.7°F). Valis's nighttime temperature in December falls to an average of -2.9°C (26.8°F).Humidity
The average relative humidity in December is 68%.Rainfall
In Valis, during December, the rain falls for 7.2 days and regularly aggregates up to 30mm (1.18") of 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 Valis, during December, snow falls for 8.7 days and regularly aggregates up to 135mm (5.31") of snow. In Valis, during the entire year, snow falls for 42.1 days and aggregates up to 766mm (30.16") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 07:10 and sunset at 16:58. On the last day of December, sunrise is at 07:28 and sunset at 17:08 +0330.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Valis in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Valis have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Valis, 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
Valis, 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
Valis, 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
Valis, 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
Valis, 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
Valis, 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
Valis, 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
Valis, 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
Valis, 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 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Valis, 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
Valis, 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
Valis, 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
Valis, 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).
