December weather forecast
Gerd Basak, Iran

December

Weather in December

The first month of the winter, December, is still a cold month in Gerd Basak, Iran, with an average temperature fluctuating between 5.7°C (42.3°F) and -1.6°C (29.1°F).

Temperature

Gerd Basak's December weather comes with a decrease in average high-temperatures, moving from a cool 11.1°C (52°F) in November to a cold 5.7°C (42.3°F). An average low-temperature of -1.6°C (29.1°F) is recorded in the month of December.

Humidity

In Gerd Basak, the average relative humidity in December is 68%.

Rainfall

In December, the rain falls for 9.1 days. Throughout December, 41mm (1.61") of precipitation is accumulated. In Gerd Basak, during the entire year, the rain falls for 74.6 days and collects up to 236mm (9.29") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Gerd Basak, during December, snow falls for 4.6 days and regularly aggregates up to 125mm (4.92") of snow. Throughout the year, there are 21.7 snowfall days, and 507mm (19.96") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 07:22 and sunset at 17:13. On the last day of the month, sunrise is at 07:40 and sunset at 17:23 +0330.

Sunshine

The months with the least sunshine are January and December, with an average of 6.6h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold is December?
An average high-temperature, in December, in Gerd Basak, is 5.7°C (42.3°F) and the average low-temperature is -1.6°C (29.1°F).
What is the average humidity in December?
In Gerd Basak, the average relative humidity in December is 68%.
How many days does it rain in December?
In December, the rain falls for 9.1 days. Throughout December, 41mm (1.61") of precipitation is accumulated.
How many days does it snow in December in Gerd Basak?
In Gerd Basak, in December, snow falls for 4.6 days, with typically accumulated 125mm (4.92") of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 42min of daylight.
What is the average length of the day in December?
The average day length in December is 9h and 43min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 07:22 and sunset at 17:13. On the last day of the month, sunrise is at 07:40 and sunset at 17:23 +0330.
What are the months with the least sunshine?
January and December, with an average of 6.6h of sunshine, are months with the least sunshine.
How many hours of sunshine does Gerd Basak have in December?
In December, the average sunshine duration is 6.6h.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
How high is the UV index in December?
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Gerd Basak, Iran
Average temperature in December
Gerd Basak, Iran
  • Average high temperature in December: 5.7°C

The warmest month (with the highest average high temperature) is July (33.3°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in December - Gerd Basak, Iran
Average pressure in December
Gerd Basak, 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 - Gerd Basak, Iran
Average wind speed in December
Gerd Basak, Iran
  • Average wind speed in December: 7.9km/h

The windiest month (with the highest average wind speed) is May (10.9km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).

Average humidity in December - Gerd Basak, Iran
Average humidity in December
Gerd Basak, Iran
  • Average humidity in December: 68%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (28%).

Average rainfall in December - Gerd Basak, Iran
Average rainfall in December
Gerd Basak, Iran
  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is March (47mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in December - Gerd Basak, Iran
Average rainfall days in December
Gerd Basak, Iran
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.2 days).

Average snowfall in December - Gerd Basak, Iran
Average snowfall in December
Gerd Basak, Iran
  • Average snowfall in December: 125mm

The month with the highest snowfall is January (169mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Gerd Basak, Iran
Average snowfall days in December
Gerd Basak, Iran
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is January (7.7 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 - Gerd Basak, Iran
Average daylight in December /
Average sunshine in December
Gerd Basak, Iran
  • Average daylight in December: 9h and 4min

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 4min

The month with the most sunshine is August (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 36min).

Average sunshine days in December - Gerd Basak, Iran
Average sunshine days in December
Gerd Basak, Iran
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is February (15 days).

Average UV index in December - Gerd Basak, Iran
Average UV index in December
Gerd Basak, 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, November and December (UV index 2).

Average cloud cover in December - Gerd Basak, Iran
Average cloud cover in December
Gerd Basak, Iran
  • Average cloud cover in December: 27

The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are June, August and September (Cloud cover 4).

Average visibility in December - Gerd Basak, Iran
Average visibility in December
Gerd Basak, Iran
  • Average visibility in December: 9km

The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).

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