December weather forecast and climate
Idahlu, Iran

December, the first month of the winter, in Idahlu, is also a wintry month, with average temperature varying between -3.3°C (26.1°F) and 4°C (39.2°F).

Temperature

In Idahlu, the average high-temperature in December drops, from a frosty 9.4°C (48.9°F) in November, to a wintry 4°C (39.2°F). In Idahlu, the average low-temperature is -3.3°C (26.1°F).

Humidity

The average relative humidity in December is 68%.

Rainfall

In December, the rain falls for 8.7 days. Throughout December, 29mm (1.14") of precipitation is accumulated. Throughout the year, in Idahlu, Iran, there are 102.3 rainfall days, and 274mm (10.79") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Idahlu, Iran, during December, snow falls for 6.4 days and regularly aggregates up to 111mm (4.37") of snow. Throughout the year, there are 28.9 snowfall days, and 455mm (17.91") of snow is accumulated.

Daylight

The month with the shortest days in Idahlu is December, with an average of 9.6h of daylight.

Sunshine

The month with the least sunshine in Idahlu is December, with an average of 6.5h of sunshine.

UV index

Months with the lowest UV index in Idahlu, Iran, are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Idahlu?

In Idahlu, in December, the average high-temperature is 4°C (39.2°F), and the average low-temperature is -3.3°C (26.1°F).

What is the average humidity in December in Idahlu?

The average relative humidity in December in Idahlu is 68%.

How much does it rain in Idahlu in December?

In Idahlu, Iran, in December, it is raining for 8.7 days, with typically 29mm (1.14") of accumulated precipitation.

How many days does it snow in December in Idahlu?

In Idahlu, Iran, in December, snow falls for 6.4 days, with typically accumulated 111mm (4.37") of snow.

What is the month with the shortest days in Idahlu?

The month with the shortest days in Idahlu is December, with an average of 9.6h of daylight.

How many hours of daylight does Idahlu have in December?

In December, the average length of the day in Idahlu, Iran, is 9.6h.

What is the month with the least sunshine in Idahlu?

With an average of 6.5h of sunshine, December has the least sunshine of the year in Idahlu, Iran.

How many hours of sunshine does Idahlu have in December?

In Idahlu, the average sunshine in December is 6.5h.

What are the months with the lowest UV index in Idahlu?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Idahlu.

What is the UV index reading in December in Idahlu?

In Idahlu, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Idahlu, Iran
  • Average high temperature in December: 4°C

The warmest month (with the highest average high temperature) is July (31°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in December: -3.3°C

The month with the highest average low temperature is July (18.4°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

Average pressure in December - Idahlu, Iran
  • Average pressure in December: 1022.2mbar

The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is July (1008mbar).

Average wind speed in December - Idahlu, Iran
  • Average wind speed in December: 7.6km/h

The windiest month (with the highest average wind speed) is May (12km/h).
The calmest month (with the lowest average wind speed) is November (7.4km/h).

Average humidity in December - Idahlu, Iran
  • Average humidity in December: 68%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (31%).

Average rainfall in December - Idahlu, Iran
  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is April (41mm).
The driest month (with the least rainfall) is September (6mm).

Average rainfall days in December - Idahlu, Iran
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is August (3 days).

Average snowfall in December - Idahlu, Iran
  • Average snowfall in December: 111mm

The month with the highest snowfall is January (140mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Idahlu, Iran
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is January (8.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Idahlu, Iran
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 6.5h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.5h).

Average sunshine days in December - Idahlu, Iran
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is April (11.3 days).

Average UV index in December - Idahlu, Iran
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December - Idahlu, Iran
  • Average cloud cover in December: 29

Months with the most cloud cover are January and February (Cloud cover 32).
Months with the least cloud cover are June, August and September (Cloud cover 5).

Average visibility in December - Idahlu, Iran
  • Average visibility in December: 9km

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