December weather forecast
Siah Darvishan, Iran

December

Weather in December

The first month of the winter, December, is still a mild month in Siah Darvishan, Iran, with an average temperature ranging between max 13.7°C (56.7°F) and min 8.6°C (47.5°F).

Temperature

As Siah Darvishan, Iran, welcomes December, the average high-temperature is noted at a mild 13.7°C (56.7°F), closely aligning with the preceding month. December witnesses an average nighttime temperature of 8.6°C (47.5°F).

Humidity

In December, the average relative humidity is 70%.

Rainfall

In December, the rain falls for 10.3 days. Throughout December, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 130.7 rainfall days, and 563mm (22.17") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Siah Darvishan, Iran, in December, during 0.1 snowfall days, 5mm (0.2") of snow is typically accumulated. In Siah Darvishan, during the entire year, snow falls for 4 days and aggregates up to 267mm (10.51") of snow.

Daylight

December has the shortest days of the year in Siah Darvishan, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 07:08 and sunset at 16:54. On the last day of the month, sunrise is at 07:26 and sunset at 17:04 +0330.

Sunshine

In Siah Darvishan, the average sunshine in December is 6h.

UV index

January through March and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the usual temperature for Siah Darvishan in December?
The high-temperature, in December, in Siah Darvishan, is 13.7°C (56.7°F), while the low-temperature averages to 8.6°C (47.5°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 32°C (89.6°F).
What is the average humidity in December?
The average relative humidity in December is 70%.
How many days does it rain in December?
In December, the rain falls for 10.3 days. Throughout December, 41mm (1.61") of precipitation is accumulated.
How many days does it snow in December?
In Siah Darvishan, in December, during 0.1 snowfall days, 5mm (0.2") of snow is typically accumulated.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
How many hours of daylight does Siah Darvishan have in December?
In Siah Darvishan, the average day length in December is 9h and 38min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 07:08 and sunset at 16:54. On the last day of the month, sunrise is at 07:26 and sunset at 17:04 +0330.
How long on average sun shines in December?
The average sunshine duration in December is 6h.
When is the lowest UV index?
The months with the lowest UV index are January through March and December, with an average maximum UV index of 3.
What is the UV index intensity in December?
In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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 - Siah Darvishan, Iran
Average temperature in December
Siah Darvishan, Iran
  • Average high temperature in December: 13.7°C

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is February (11.3°C).

  • Average low temperature in December: 8.6°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).

Average pressure in December - Siah Darvishan, Iran
Average pressure in December
Siah Darvishan, Iran
  • Average pressure in December: 1021.9mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1009mbar).

Average wind speed in December - Siah Darvishan, Iran
Average wind speed in December
Siah Darvishan, Iran
  • Average wind speed in December: 9.1km/h

The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is September (8.1km/h).

Average humidity in December - Siah Darvishan, Iran
Average humidity in December
Siah Darvishan, Iran
  • Average humidity in December: 70%

The month with the highest relative humidity is October (75%).
The months with the lowest relative humidity are June and July (65%).

Average rainfall in December - Siah Darvishan, Iran
Average rainfall in December
Siah Darvishan, Iran
  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is November (89mm).
The driest month (with the least rainfall) is June (17mm).

Average rainfall days in December - Siah Darvishan, Iran
Average rainfall days in December
Siah Darvishan, Iran
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is October (15.1 days).
The month with the least rainy days is June (6.8 days).

Average snowfall in December - Siah Darvishan, Iran
Average snowfall in December
Siah Darvishan, Iran
  • Average snowfall in December: 5mm

The month with the highest snowfall is February (198mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Siah Darvishan, Iran
Average snowfall days in December
Siah Darvishan, Iran
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are October and November (Average sunshine: 5h and 30min).

Average sunshine days in December - Siah Darvishan, Iran
Average sunshine days in December
Siah Darvishan, Iran
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is October (12.8 days).

Average UV index in December - Siah Darvishan, Iran
Average UV index in December
Siah Darvishan, Iran
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).

Average cloud cover in December - Siah Darvishan, Iran
Average cloud cover in December
Siah Darvishan, Iran
  • Average cloud cover in December: 31

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in December - Siah Darvishan, Iran
Average visibility in December
Siah Darvishan, Iran
  • Average visibility in December: 10km

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

englishespañol中文
Share