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
Weather in December
Temperature
In December, the average high-temperature marginally decreases from a frosty 8.5°C (47.3°F) in November to an icy 3.9°C (39°F). Throughout December, an average nighttime temperature of -2.7°C (27.1°F) is experienced.Humidity
In December, the average relative humidity in Chelleh Darreh is 66%.Rainfall
In Chelleh Darreh, in December, during 5.3 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Chelleh Darreh, during the entire year, the rain falls for 100.2 days and collects up to 282mm (11.1") of precipitation.Snowfall
January through April, October through December are months with snowfall in Chelleh Darreh. In December, it is snowing for 5.2 days. Throughout December, 93mm (3.66") of snow is accumulated. In Chelleh Darreh, during the entire year, snow falls for 29.7 days and aggregates up to 464mm (18.27") of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:19 and sunset at 16:58. On the last day of December, sunrise is at 07:37 and sunset at 17:07 +0330.
Sunshine
The month with the least sunshine is December, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index in Chelleh Darreh are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
Is December cold in Chelleh Darreh?
What is the average humidity in December in Chelleh Darreh?
How much does it rain in Chelleh Darreh in December?
How much does it snow in Chelleh Darreh in December?
What is the month with the shortest days in Chelleh Darreh?
How many hours of daylight does Chelleh Darreh have in December?
When are sunrise and sunset in December in Chelleh Darreh?
What is the month with the least sunshine in Chelleh Darreh?
How long on average sun shines in December in Chelleh Darreh?
What are the months with the lowest UV index in Chelleh Darreh?
How high is the UV index in December in Chelleh Darreh?
Average temperature in December
Chelleh Darreh, Iran
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Chelleh Darreh, Iran
- Average pressure in December: 1022.1mbar
The month with the highest atmospheric pressure is December (1022.1mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in December
Chelleh Darreh, Iran
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is March (14.2km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in December
Chelleh Darreh, Iran
- Average humidity in December: 66%
The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are July and August (52%).
Average rainfall in December
Chelleh Darreh, Iran
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in December
Chelleh Darreh, Iran
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Chelleh Darreh, Iran
- Average snowfall in December: 93mm
The month with the highest snowfall is January (112mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Chelleh Darreh, Iran
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is February (8 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
Chelleh Darreh, Iran
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Chelleh Darreh, Iran
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Chelleh Darreh, 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
Chelleh Darreh, Iran
- Average cloud cover in December: 25
The month with the most cloud cover is February (Cloud cover 30).
The months with the least cloud cover are June, July and August (Cloud cover 14).
Average visibility in December
Chelleh Darreh, Iran
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
Chelleh Darreh, Iran
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