December weather forecastKaleybar, Iran
December
Weather in December
December, the first month of the winter in Kaleybar, is still a cold month, with an average temperature fluctuating between -2.7°C (27.1°F) and 3.9°C (39°F).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from a frosty 8.5°C (47.3°F) in November to an icy 3.9°C (39°F). In Kaleybar, an average temperature of -2.7°C (27.1°F) is noted during December nights.Humidity
In Kaleybar, the average relative humidity in December is 66%.Rainfall
In Kaleybar, Iran, in December, it is raining for 5.3 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, in Kaleybar, there are 100 rainfall days, and 283mm (11.14") of precipitation is accumulated.Snowfall
Months with snowfall in Kaleybar are January through April, October through December. In Kaleybar, in December, during 5.2 snowfall days, 93mm (3.66") of snow is typically accumulated. In Kaleybar, 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 December in Kaleybar, sunrise is at 07:21 and sunset at 17:00. On the last day of the month, sunrise is at 07:40 and sunset at 17:09 +0330.
Sunshine
The average sunshine in December in Kaleybar is 6.9h.UV index
The months with the lowest UV index in Kaleybar, Iran, 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 low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. 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
Average temperature in December
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, Iran
- Average daylight in December: 9h and 30min
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 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in December
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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
Kaleybar, 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).





