December weather forecast
Shellalu, Iran

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Weather in December

December, the first month of the winter in Shellalu, is also an icy month, with an average temperature fluctuating between -3.6°C (25.5°F) and 4.1°C (39.4°F).

Temperature

Shellalu's December weather features a mild decline in high-temperatures, reducing from a chilly 9.3°C (48.7°F) in November to a cold 4.1°C (39.4°F). An average nighttime temperature of -3.6°C (25.5°F) is observed during December.

Humidity

In December, the average relative humidity in Shellalu is 67%.

Rainfall

In Shellalu, in December, it is raining for 6.5 days, with typically 9mm (0.35") of accumulated precipitation. In Shellalu, Iran, during the entire year, the rain falls for 74.2 days and collects up to 100mm (3.94") of precipitation.

Snowfall

Months with snowfall in Shellalu are January through April, November and December. In Shellalu, in December, during 3.9 snowfall days, 18mm (0.71") of snow is typically accumulated. Throughout the year, there are 19.1 snowfall days, and 105mm (4.13") of snow is accumulated.

Daylight

The month with the shortest days in Shellalu is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 07:23 and sunset at 17:07. On the last day of December, in Shellalu, sunrise is at 07:41 and sunset at 17:16 +0330.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

Is December cold in Shellalu?

Shellalu in December has an average high-temperature of 4.1°C (39.4°F) and an average low-temperature of -3.6°C (25.5°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is appraised at 30°C (86°F).

What is the average humidity in December in Shellalu?

In Shellalu, Iran, the average relative humidity in December is 67%.

How many days does it rain in December in Shellalu?

In Shellalu, Iran, in December, during 6.5 rainfall days, 9mm (0.35") of precipitation is typically accumulated.

How much does it snow in Shellalu in December?

In Shellalu, in December, during 3.9 snowfall days, 18mm (0.71") of snow is typically accumulated.

What is the month with the shortest days in Shellalu?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Shellalu, Iran.

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

The average day length in December in Shellalu, Iran, is 9h and 35min.

When are sunrise and sunset in December in Shellalu?

In December, on the first day of the month, sunrise is at 07:23 and sunset at 17:07. On the last day of the month, in Shellalu, Iran, sunrise is at 07:41 and sunset at 17:16 +0330.

What is the month with the least sunshine in Shellalu?

With an average of 6.8h of sunshine, December has the least sunshine of the year in Shellalu.

How many hours of sunshine does Shellalu have in December?

In Shellalu, the average sunshine duration in December is 6.8h.

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

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

What is the UV index intensity in December in Shellalu?

In December, the average daily maximum UV index in Shellalu is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Shellalu, Iran

Average temperature in December - Shellalu, Iran
  • Average high temperature in December: 4.1°C

The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (1.1°C).

  • Average low temperature in December: -3.6°C

The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (-6.6°C).

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Average pressure in December
Shellalu, Iran

Average pressure in December - Shellalu, 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 (1008.8mbar).

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Average wind speed in December
Shellalu, Iran

Average wind speed in December - Shellalu, Iran
  • Average wind speed in December: 8.3km/h

The windiest months (with the highest average wind speed) are July and August (14km/h).
The calmest month (with the lowest average wind speed) is December (8.3km/h).

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Average humidity in December
Shellalu, Iran

Average humidity in December - Shellalu, Iran
  • Average humidity in December: 67%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in December
Shellalu, Iran

Average rainfall in December - Shellalu, Iran
  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is April (16mm).
The driest months (with the least rainfall) are August and September (3mm).

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Average rainfall days in December
Shellalu, Iran

Average rainfall days in December - Shellalu, Iran
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (2.4 days).

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Average snowfall in December
Shellalu, Iran

Average snowfall in December - Shellalu, Iran
  • Average snowfall in December: 18mm

The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Shellalu, Iran

Average snowfall days in December - Shellalu, Iran
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Shellalu, Iran

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Shellalu, Iran

Average sunshine days in December - Shellalu, Iran
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (15.3 days).

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Average UV index in December
Shellalu, Iran

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Shellalu, Iran

Average cloud cover in December - Shellalu, Iran
  • Average cloud cover in December: 24

The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).

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Average visibility in December
Shellalu, Iran

Average visibility in December - Shellalu, Iran
  • Average visibility in December: 10km

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

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Shellalu, Iran

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