December weather forecast and climate
Hejran, Iran

December, the first month of the winter, in Hejran, is also a wintry month, with average temperature varying between -1.6°C (29.1°F) and 5.7°C (42.3°F).

Temperature

In December, the average high-temperature drops, from a cool 11.1°C (52°F) in November, to a wintry 5.7°C (42.3°F). The average low-temperature, in Hejran, is -1.6°C (29.1°F).

Humidity

In Hejran, Iran, the average relative humidity is 68%.

Rainfall

In December, in Hejran, Iran, the rain falls for 9.1 days. Throughout December, 41mm (1.61") of precipitation is accumulated. Throughout the year, in Hejran, there are 74.6 rainfall days, and 236mm (9.29") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Hejran, during 4.6 snowfall days, 125mm (4.92") of snow is typically accumulated. Throughout the year, in Hejran, there are 21.7 snowfall days, and 507mm (19.96") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.7h of daylight.

Sunshine

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

UV index

Months with the lowest UV index in Hejran are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Hejran?

In December, in Hejran, the average high-temperature 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 Hejran?

In Hejran, Iran, the average relative humidity in December is 68%.

How many days does it rain in December in Hejran?

In Hejran, in December, during 9.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

How many days does it snow in December in Hejran?

In Hejran, Iran, 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 Hejran?

December has the shortest days of the year, with an average of 9.7h of daylight.

What is the average length of the day in December in Hejran?

In Hejran, Iran, the average length of the day in December is 9.7h.

What is the month with the least sunshine in Hejran?

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

How many hours of sunshine does Hejran have in December?

In Hejran, Iran, the average sunshine in December is 6.6h.

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

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Hejran?

In December, the average daily maximum UV index in Hejran is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in December - Hejran, 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 - Hejran, 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 - Hejran, 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 - Hejran, 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 - Hejran, 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 - Hejran, 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 - Hejran, Iran
  • Average snowfall in December: 125mm

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

Average snowfall days in December - Hejran, Iran
  • Average snowfall days in December: 4.6 days

The month with the highest number of snowfall days is January (7.7 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 - Hejran, Iran
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 6.6h

The month with the most sunshine is August (Average sunshine: 12.3h).
Months with the least sunshine are January and December (Average sunshine: 6.6).

Average sunshine days in December - Hejran, 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 - Hejran, Iran
  • Average UV index in December: 2

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

Average cloud cover in December - Hejran, Iran
  • Average cloud cover in December: 27

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

Average visibility in December - Hejran, 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).