December weather forecastChalus, Iran
December
Weather in December
December, the first month of the winter in Chalus, is still a chilly month, with an average temperature fluctuating between 9.7°C (49.5°F) and 3.6°C (38.5°F).Temperature
With the start of December, Chalus measures an average high-temperature of a frosty 9.7°C (49.5°F), not significantly differing from November's 11.9°C (53.4°F). During December, the temperature tends to dip to an average of 3.6°C (38.5°F) at night.Humidity
In Chalus, the average relative humidity in December is 67%.Rainfall
In December, in Chalus, the rain falls for 7.6 days. Throughout December, 26mm (1.02") of precipitation is accumulated. In Chalus, during the entire year, the rain falls for 88 days and collects up to 258mm (10.16") of precipitation.Snowfall
April through December are months without snowfall.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 06:58 and sunset at 16:48. On the last day of December, in Chalus, Iran, sunrise is at 07:16 and sunset at 16:58 +0330.
Sunshine
In Chalus, the average sunshine in December is 6.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Chalus, Iran. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chalus, Iran
- Average high temperature in December: 9.7°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in December: 3.6°C
The month with the highest average low temperature is July (16.9°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).
Average pressure in December
Chalus, Iran
- Average pressure in December: 1021.4mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).
Average wind speed in December
Chalus, Iran
- Average wind speed in December: 7.5km/h
The windiest months (with the highest average wind speed) are January, February and March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in December
Chalus, Iran
- Average humidity in December: 67%
The month with the highest relative humidity is September (76%).
The month with the lowest relative humidity is May (64%).
Average rainfall in December
Chalus, Iran
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is June (5mm).
Average rainfall days in December
Chalus, Iran
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is March (10.9 days).
The month with the least rainy days is September (5.3 days).
Average snowfall in December
Chalus, Iran
- Average snowfall in December: 0mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Chalus, Iran
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are February and March (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Chalus, Iran
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are February and November (Average sunshine: 5h and 48min).
Average sunshine days in December
Chalus, Iran
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is March (18.8 days).
Average UV index in December
Chalus, Iran
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Chalus, Iran
- Average cloud cover in December: 28
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Chalus, Iran
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is September (8km).





