Weather in December
Temperature
December in Semnan is characterized by a reduction in the average high-temperature, from a comfortable 17.7°C (63.9°F) in November to a cool 10.8°C (51.4°F). During December nights, Semnan records an average temperature of 1.2°C (34.2°F).Humidity
In Semnan, the average relative humidity in December is 60%.Rainfall
In Semnan, in December, it is raining for 5.1 days, with typically 20mm (0.79") of accumulated precipitation. In Semnan, during the entire year, the rain falls for 48.7 days and collects up to 140mm (5.51") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Semnan, Iran. Throughout December, there are 1.1 snowfall days. Throughout the year, in Semnan, there are 6.8 snowfall days.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:47 and sunset at 16:43. On the last day of December, in Semnan, sunrise is at 07:05 and sunset at 16:53 +0330.
Sunshine
The average sunshine in December is 5.7h.Frequently asked questions
What are December temperatures in Semnan?
What is the average humidity in December in Semnan?
How many days does it rain in December in Semnan?
When does it start to snow in Semnan?
What is the month with the shortest days in Semnan?
What is the average length of the day in December in Semnan?
When are sunrise and sunset in December in Semnan?
How many hours of sunshine does Semnan have in December?
Average temperature in December
Semnan, Iran
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is July (37.8°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is July (24.9°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average humidity in December
Semnan, Iran
- Average humidity in December: 60%
The month with the highest relative humidity is January (63%).
The months with the lowest relative humidity are June and July (28%).
Average rainfall in December
Semnan, Iran
- Average rainfall in December: 19.5mm
The wettest month (with the highest rainfall) is March (22.7mm).
The driest month (with the least rainfall) is September (1.4mm).
Average rainfall days in December
Semnan, Iran
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is September (0.8 days).
Average snowfall days in December
Semnan, Iran
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Semnan, Iran
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Semnan, Iran
Weather forecast for your location
2. Allow the app to use your location
