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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a mild 13.3°C (55.9°F) in November to a chilly 9.9°C (49.8°F). During December, Semirom records an average temperature of 0.9°C (33.6°F) at night.Humidity
In December, the average relative humidity in Semirom, Iran, is 42%.Rainfall
In Semirom, during December, the rain falls for 3.2 days and regularly aggregates up to 7mm (0.28") of precipitation. Throughout the year, in Semirom, there are 41.4 rainfall days, and 92mm (3.62") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Semirom, Iran. In Semirom, in December, during 1.3 snowfall days, 24mm (0.94") of snow is typically accumulated. In Semirom, during the entire year, snow falls for 7.8 days and aggregates up to 142mm (5.59") of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 06:45 and sunset at 17:00. On the last day of the month, sunrise is at 07:02 and sunset at 17:10 +0330.
Sunshine
In Semirom, the average sunshine in December is 7.5h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Semirom. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Semirom?
What is the average humidity in December in Semirom?
How much does it rain in Semirom in December?
How much does it snow in Semirom in December?
What is the month with the shortest days in Semirom?
What is the average length of the day in December in Semirom?
When are sunrise and sunset in December in Semirom?
How many hours of sunshine does Semirom have in December?
What is the month with the lowest UV index in Semirom?
What is the UV index reading in December in Semirom?
Average temperature in December
Semirom, Iran
- Average high temperature in December: 9.9°C
The warmest month (with the highest average high temperature) is July (32.5°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 0.9°C
The month with the highest average low temperature is July (21.5°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in December
Semirom, Iran
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is July (1006mbar).
Average wind speed in December
Semirom, Iran
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).
Average humidity in December
Semirom, Iran
- Average humidity in December: 42%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (14%).
Average rainfall in December
Semirom, Iran
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is April (17mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in December
Semirom, Iran
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is April (7.6 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in December
Semirom, Iran
- Average snowfall in December: 24mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Semirom, Iran
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (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
Semirom, 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 3min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January, February and November (Average sunshine: 7h and 24min).
Average sunshine days in December
Semirom, Iran
- Average sunshine days in December: 27 days
The month with the most sunshine days is August (30.8 days).
The month with the least sunshine days is April (20.7 days).
Average UV index in December
Semirom, Iran
- Average UV index in December: 3
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 3).
Average cloud cover in December
Semirom, Iran
- Average cloud cover in December: 12
The month with the most cloud cover is April (Cloud cover 16).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in December
Semirom, Iran
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
