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
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a cool 11.3°C (52.3°F) in November to a frosty 6.7°C (44.1°F). During the month of December, the temperature falls to an average of -1.6°C (29.1°F).Humidity
The average relative humidity in December is 52%.Rainfall
In December, the rain falls for 5 days. Throughout December, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 57.9 rainfall days, and 198mm (7.8") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Darreh Yas, in December, snow falls for 3.5 days, with typically accumulated 104mm (4.09") of snow. Throughout the year, there are 22.1 snowfall days, and 538mm (21.18") of snow is accumulated.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:48 and sunset at 17:02. On the last day of the month, sunrise is at 07:06 and sunset at 17:13 +0330.
Sunshine
In Darreh Yas, the average sunshine in December is 7.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Darreh Yas. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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 December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Darreh Yas have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Darreh Yas have in December?
What is the month with the lowest UV index in Darreh Yas?
What is the UV index reading in December?
Average temperature in December
Darreh Yas, Iran
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Darreh Yas, Iran
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is July (1005mbar).
Average wind speed in December
Darreh Yas, Iran
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is March (11km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).
Average humidity in December
Darreh Yas, Iran
- Average humidity in December: 52%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is July (17%).
Average rainfall in December
Darreh Yas, Iran
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is February (37mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in December
Darreh Yas, Iran
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is April (9.3 days).
The months with the least rainy days are August and September (0.9 days).
Average snowfall in December
Darreh Yas, Iran
- Average snowfall in December: 104mm
The month with the highest snowfall is January (160mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Darreh Yas, Iran
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (8.1 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
Darreh Yas, Iran
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 7h and 2min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in December
Darreh Yas, Iran
- Average sunshine days in December: 23 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (16.6 days).
Average UV index in December
Darreh Yas, 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, November and December (UV index 2).
Average cloud cover in December
Darreh Yas, Iran
- Average cloud cover in December: 15
The months with the most cloud cover are January and February (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility in December
Darreh Yas, 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).
