December weather forecast
Chaku, Iran

December

Weather in December

The first month of the winter, December, is also an icy month in Chaku, Iran, with an average temperature fluctuating between 5.7°C (42.3°F) and -1.6°C (29.1°F).

Temperature

Observing a mild shift, the average high-temperature during December reduces from November's cool 11.1°C (52°F) to a wintry 5.7°C (42.3°F). Chaku throughout December, records an average low-temperature of -1.6°C (29.1°F).

Humidity

In December, the average relative humidity is 68%.

Rainfall

In Chaku, in December, during 9.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 74.6 rainfall days, and 236mm (9.29") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 4.6 days. Throughout December, 125mm (4.92") of snow is accumulated. Throughout the year, there are 21.7 snowfall days, and 507mm (19.96") of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December in Chaku, 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

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

UV index

The months with the lowest UV index in Chaku are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

How cold is it in Chaku in December?
The high-temperature, in December, in Chaku, records 5.7°C (42.3°F), while the low-temperature is -1.6°C (29.1°F).
What is the average humidity in December in Chaku?
In December, the average relative humidity is 68%.
How many days does it rain in December in Chaku?
In Chaku, Iran, during December, the rain falls for 9.1 days and regularly aggregates up to 41mm (1.61") of precipitation.
How much does it snow in Chaku in December?
In Chaku, in December, snow falls for 4.6 days, with typically accumulated 125mm (4.92") of snow.
What is the month with the shortest days in Chaku?
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 Chaku?
In Chaku, Iran, the average day length in December is 9h and 43min.
What time are sunrise and sunset in December in Chaku?
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, in Chaku, sunrise is at 07:40 and sunset at 17:23 +0330.
What is the month with the least sunshine in Chaku?
The months with the least sunshine in Chaku are January and December, with an average of 6.6h of sunshine.
How long on average sun shines in December in Chaku?
In Chaku, the average sunshine duration in December is 6.6h.
What is the month with the lowest UV index in Chaku?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chaku, Iran.
What is the UV index intensity in December in Chaku?
In Chaku, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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 - Chaku, Iran
Average temperature in December
Chaku, 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 - Chaku, Iran
Average pressure in December
Chaku, 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 - Chaku, Iran
Average wind speed in December
Chaku, 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 - Chaku, Iran
Average humidity in December
Chaku, 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 - Chaku, Iran
Average rainfall in December
Chaku, 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 - Chaku, Iran
Average rainfall days in December
Chaku, 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 - Chaku, Iran
Average snowfall in December
Chaku, 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 - Chaku, Iran
Average snowfall days in December
Chaku, 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 - Chaku, Iran
Average daylight in December /
Average sunshine in December
Chaku, 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 - Chaku, Iran
Average sunshine days in December
Chaku, 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 - Chaku, Iran
Average UV index in December
Chaku, 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 - Chaku, Iran
Average cloud cover in December
Chaku, 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 - Chaku, Iran
Average visibility in December
Chaku, 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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