December weather forecast and climate
Chah Ab, Iran

December, the first month of the winter, in Chah Ab, is still a cold month, with average temperature fluctuating between -3.4°C (25.9°F) and 5°C (41°F).

Temperature

In Chah Ab, the average high-temperature slightly decreases, from a frosty 9.1°C (48.4°F) in November, to a wintry 5°C (41°F). The average low-temperature, in December, is -3.4°C (25.9°F).

Humidity

The average relative humidity in December is 58%.

Rainfall

In Chah Ab, in December, it is raining for 3.5 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, in Chah Ab, there are 57.7 rainfall days, and 144mm (5.67") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 2.5 days. Throughout December, 21mm (0.83") of snow is accumulated. In Chah Ab, Iran, during the entire year, snow falls for 16.3 days, and aggregates up to 252mm (9.92") of snow.

Daylight

With an average of 9.7h of daylight, December has the shortest days of the year in Chah Ab.

Sunshine

The average sunshine in December is 6.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chah Ab. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
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. 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 Chah Ab?

The average high-temperature, in December, is 5°C (41°F), while the average low-temperature is -3.4°C (25.9°F).

What is the average humidity in December in Chah Ab?

In December, the average relative humidity in Chah Ab is 58%.

How much does it rain in Chah Ab in December?

In Chah Ab, Iran, during December, the rain falls for 3.5 days and regularly aggregates up to 6mm (0.24") of precipitation.

How much does it snow in Chah Ab in December?

In Chah Ab, Iran, in December, during 2.5 snowfall days, 21mm (0.83") of snow is typically accumulated.

What is the month with the shortest days in Chah Ab?

December has the shortest days of the year in Chah Ab, Iran, with an average of 9.7h of daylight.

How many hours of daylight does Chah Ab have in December?

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

How long on average sun shines in December in Chah Ab?

In December, the average sunshine in Chah Ab is 6.9h.

What is the month with the lowest UV index in Chah Ab?

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

How high is the UV index in December in Chah Ab?

The average daily maximum UV index in December in Chah Ab, Iran, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Chah Ab, Iran
  • Average high temperature in December: 5°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in December: -3.4°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 (-5.8°C).

Average pressure in December - Chah Ab, Iran
  • Average pressure in December: 1022.8mbar

The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is July (1008mbar).

Average wind speed in December - Chah Ab, Iran
  • Average wind speed in December: 8.6km/h

The windiest month (with the highest average wind speed) is July (15.2km/h).
The calmest month (with the lowest average wind speed) is November (8.5km/h).

Average humidity in December - Chah Ab, Iran
  • Average humidity in December: 58%

The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is July (24%).

Average rainfall in December - Chah Ab, Iran
  • Average rainfall in December: 6mm

The wettest month (with the highest rainfall) is May (32mm).
The driest months (with the least rainfall) are July, August and September (1mm).

Average rainfall days in December - Chah Ab, Iran
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is April (10.7 days).
The month with the least rainy days is August (0.7 days).

Average snowfall in December - Chah Ab, Iran
  • Average snowfall in December: 21mm

The month with the highest snowfall is February (93mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Chah Ab, Iran
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.9 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 - Chah Ab, 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: 6.9h

The month with the most sunshine is August (Average sunshine: 12.4h).
The month with the least sunshine is February (Average sunshine: 6.5h).

Average sunshine days in December - Chah Ab, Iran
  • Average sunshine days in December: 25.7 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is April (17.5 days).

Average UV index in December - Chah Ab, Iran
  • Average UV index in December: 2

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

Average cloud cover in December - Chah Ab, Iran
  • Average cloud cover in December: 20

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in December - Chah Ab, Iran
  • Average visibility in December: 10km

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