December weather forecast
Alustan, Iran

December

Weather in December

The first month of the winter, December, is also a fresh month in Alustan, Iran, with temperature in the range of an average high of 12.1°C (53.8°F) and an average low of 3.7°C (38.7°F).

Temperature

December commences with an average high-temperature of a cool 12.1°C (53.8°F), showing little deviation from November's 15°C (59°F). Alustan reports an average low-temperature of 3.7°C (38.7°F) during the nights of December.

Humidity

In Alustan, the average relative humidity in December is 52%.

Rainfall

July and December are months with the least rain when the rain falls for 10.4 days and typically aggregates up to 20mm (0.79") of rain.

Snowfall

January through March, November and December are months with snowfall in Alustan. In Alustan, in December, during 0.3 snowfall days, 1mm (0.04") of snow is typically accumulated. Throughout the year, there are 3.8 snowfall days, and 37mm (1.46") of snow is accumulated.

Daylight

The month with the shortest days in Alustan is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 06:45 and sunset at 16:34. On the last day of the month, sunrise is at 07:03 and sunset at 16:43 +0330.

Sunshine

The average sunshine in December in Alustan is 6.7h.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during December leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What are the temperatures in Alustan in December?
During December, Alustan experiences an average high-temperature of 12.1°C (53.8°F) and a low-temperature of 3.7°C (38.7°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 28°C (82.4°F).
What is the average humidity in December in Alustan?
In December, the average relative humidity is 52%.
What is the driest month in Alustan?
July and December are months with the least rain when the rain falls for 10.4 days and typically aggregates up to 20mm (0.79") of rain.
How much does it rain in Alustan in December?
In December, the rain falls for 10.4 days. Throughout December, 20mm (0.79") of precipitation is accumulated.
How many days does it snow in December in Alustan?
In December, it is snowing for 0.3 days. Throughout December, 1mm (0.04") of snow is accumulated.
What is the month with the shortest days in Alustan?
With an average of 9h and 42min of daylight, December has the shortest days of the year.
What is the average length of the day in December in Alustan?
In Alustan, Iran, the average day length in December is 9h and 41min.
When are sunrise and sunset in December in Alustan?
On the first day of December, sunrise is at 06:45 and sunset at 16:34. On the last day of the month, sunrise is at 07:03 and sunset at 16:43 +0330.
How many hours of sunshine does Alustan have in December?
In December, the average sunshine duration is 6.7h.
What are the months with the lowest UV index in Alustan?
The months with the lowest UV index in Alustan are January through March and December, with an average maximum UV index of 3.
How high is the UV index in December in Alustan?
In Alustan, Iran, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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 - Alustan, Iran
Average temperature in December
Alustan, Iran
  • Average high temperature in December: 12.1°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (10.6°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is July (22.3°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in December - Alustan, Iran
Average pressure in December
Alustan, Iran
  • Average pressure in December: 1021.8mbar

The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is July (1008mbar).

Average wind speed in December - Alustan, Iran
Average wind speed in December
Alustan, Iran
  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).

Average humidity in December - Alustan, Iran
Average humidity in December
Alustan, Iran
  • Average humidity in December: 52%

The month with the highest relative humidity is February (60%).
The months with the lowest relative humidity are June and August (46%).

Average rainfall in December - Alustan, Iran
Average rainfall in December
Alustan, Iran
  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is May (61mm).
The driest months (with the least rainfall) are July and December (20mm).

Average rainfall days in December - Alustan, Iran
Average rainfall days in December
Alustan, Iran
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are July and August (7.7 days).

Average snowfall in December - Alustan, Iran
Average snowfall in December
Alustan, Iran
  • Average snowfall in December: 1mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Alustan, Iran
Average snowfall days in December
Alustan, Iran
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Alustan, Iran
Average daylight in December /
Average sunshine in December
Alustan, Iran
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
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 0min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in December - Alustan, Iran
Average sunshine days in December
Alustan, Iran
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is May (7.5 days).

Average UV index in December - Alustan, Iran
Average UV index in December
Alustan, Iran
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).

Average cloud cover in December - Alustan, Iran
Average cloud cover in December
Alustan, Iran
  • Average cloud cover in December: 22

The months with the most cloud cover are February and March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in December - Alustan, Iran
Average visibility in December
Alustan, 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).

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