December weather forecastRostaman, Iran
December
Weather in December
The first month of the winter, December, is still a cold month in Rostaman, Iran, with an average temperature ranging between max 5.1°C (41.2°F) and min -2.8°C (27°F).Temperature
Rostaman's average high-temperature decreases in December, falling from a fresh 10.4°C (50.7°F) in November to an icy 5.1°C (41.2°F). Throughout the nights in December, an average low-temperature of -2.8°C (27°F) is noted.Humidity
The average relative humidity in December is 68%.Rainfall
The month with the most rainfall is December, when the rain falls for 8.8 days and typically aggregates up to 51mm (2.01") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Rostaman, Iran, in December, during 5.2 snowfall days, 154mm (6.06") of snow is typically accumulated. In Rostaman, during the entire year, snow falls for 29.2 days and aggregates up to 696mm (27.4") of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Rostaman.On the first day of December in Rostaman, sunrise is at 07:16 and sunset at 17:09. On the last day of the month, sunrise is at 07:34 and sunset at 17:19 +0330.
Sunshine
In December, the average sunshine in Rostaman is 6.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. 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 maximum high daily UV index of 2 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rostaman, Iran
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is July (32.8°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in December: -2.8°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).
Average pressure in December
Rostaman, Iran
- Average pressure in December: 1022mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1006.2mbar).
Average wind speed in December
Rostaman, Iran
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is May (12km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in December
Rostaman, Iran
- Average humidity in December: 68%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (24%).
Average rainfall in December
Rostaman, Iran
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in December
Rostaman, Iran
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in December
Rostaman, Iran
- Average snowfall in December: 154mm
The months with the highest snowfall are January and February (225mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Rostaman, Iran
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (10.3 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
Rostaman, Iran
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in December
Rostaman, Iran
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in December
Rostaman, 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, March, November and December (UV index 2).
Average cloud cover in December
Rostaman, Iran
- Average cloud cover in December: 27
The months with the most cloud cover are January, February and March (Cloud cover 30).
The months with the least cloud cover are August and September (Cloud cover 3).
Average visibility in December
Rostaman, Iran
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
