December weather forecast
Bolbar, Iran

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Weather in December

December, the first month of the winter in Bolbar, is also an icy month, with an average temperature fluctuating between -2.2°C (28°F) and 5.1°C (41.2°F).

Temperature

Welcoming December, Bolbar observes a shift in the average high-temperature, falling from November's fresh 10.3°C (50.5°F) to a cold 5.1°C (41.2°F). Throughout December, Bolbar experiences a low-temperature average of -2.2°C (28°F).

Humidity

In December, the average relative humidity is 65%.

Rainfall

In Bolbar, in December, it is raining for 8 days, with typically 36mm (1.42") of accumulated precipitation. In Bolbar, during the entire year, the rain falls for 70.6 days and collects up to 257mm (10.12") of precipitation.

Snowfall

Months with snowfall in Bolbar are January through April, November and December. In Bolbar, Iran, in December, during 4.3 snowfall days, 117mm (4.61") of snow is typically accumulated. Throughout the year, in Bolbar, there are 23.5 snowfall days, and 489mm (19.25") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 07:15 and sunset at 17:12. On the last day of the month, sunrise is at 07:33 and sunset at 17:22 +0330.

Sunshine

In December, the average sunshine is 6.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Bolbar?

During December, Bolbar experiences an average high-temperature of 5.1°C (41.2°F) and a low-temperature of -2.2°C (28°F).

What is the average humidity in December in Bolbar?

The average relative humidity in December in Bolbar, Iran, is 65%.

How many days does it rain in December in Bolbar?

In Bolbar, Iran, during December, the rain falls for 8 days and regularly aggregates up to 36mm (1.42") of precipitation.

How much does it snow in Bolbar in December?

In Bolbar, in December, snow falls for 4.3 days, with typically accumulated 117mm (4.61") of snow.

What is the month with the shortest days in Bolbar?

December has the shortest days of the year in Bolbar, Iran, with an average of 9h and 48min of daylight.

How many hours of daylight does Bolbar have in December?

In December, the average day length in Bolbar, Iran, is 9h and 50min.

What time are sunrise and sunset in December in Bolbar?

In December, on the first day of the month, sunrise is at 07:15 and sunset at 17:12. On the last day of the month, in Bolbar, sunrise is at 07:33 and sunset at 17:22 +0330.

How many hours of sunshine does Bolbar have in December?

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

When is the lowest UV index in Bolbar?

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

How high is the UV index in December in Bolbar?

In December, the average daily maximum UV index in Bolbar is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Bolbar, Iran

Average temperature in December - Bolbar, Iran
  • Average high temperature in December: 5.1°C

The warmest month (with the highest average high temperature) is July (32.5°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in December: -2.2°C

The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).

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Average pressure in December
Bolbar, Iran

Average pressure in December - Bolbar, 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 (1005.7mbar).

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Average wind speed in December
Bolbar, Iran

Average wind speed in December - Bolbar, Iran
  • Average wind speed in December: 7.7km/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 December (7.7km/h).

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Average humidity in December
Bolbar, Iran

Average humidity in December - Bolbar, Iran
  • Average humidity in December: 65%

The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is July (23%).

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Average rainfall in December
Bolbar, Iran

Average rainfall in December - Bolbar, Iran
  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is March (51mm).
The driest months (with the least rainfall) are August and September (0mm).

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Average rainfall days in December
Bolbar, Iran

Average rainfall days in December - Bolbar, Iran
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.3 days).

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Average snowfall in December
Bolbar, Iran

Average snowfall in December - Bolbar, Iran
  • Average snowfall in December: 117mm

The month with the highest snowfall is February (159mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Bolbar, Iran

Average snowfall days in December - Bolbar, Iran
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (9 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
Bolbar, Iran

Average daylight in December / Average sunshine in December - Bolbar, Iran
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).

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Average sunshine days in December
Bolbar, Iran

Average sunshine days in December - Bolbar, Iran
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is February (15.5 days).

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Average UV index in December
Bolbar, Iran

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

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

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Average cloud cover in December
Bolbar, Iran

Average cloud cover in December - Bolbar, Iran
  • Average cloud cover in December: 28

The months with the most cloud cover are January and February (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 3).

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Average visibility in December
Bolbar, Iran

Average visibility in December - Bolbar, 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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Bolbar, Iran

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