December weather forecastKalji, Iran

December

Weather in December

The first month of the winter, December, is also a wintry month in Kalji, Iran, with an average temperature varying between 5.1°C (41.2°F) and -2.2°C (28°F).

Temperature

With December's onset, the weather shows a temperature decrease, transitioning from a cool 10.3°C (50.5°F) in November to a cold 5.1°C (41.2°F). Kalji reports an average low-temperature of -2.2°C (28°F) during the nights of December.

Humidity

In December, the average relative humidity is 65%.

Rainfall

In December, the rain falls for 8 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Kalji, during the entire year, the rain falls for 70.6 days and collects up to 257mm (10.12") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Kalji, in December, snow falls for 4.3 days, with typically accumulated 117mm (4.61") of snow. In Kalji, during the entire year, snow falls for 23.5 days and aggregates up to 489mm (19.25") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 07:14 and sunset at 17:12. On the last day of December, sunrise is at 07:32 and sunset at 17:22 +0330.

Sunshine

In December, the average sunshine is 6.6h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

The high-temperature, in December, in Kalji, records 5.1°C (41.2°F), while the low-temperature is -2.2°C (28°F).

In December, the average relative humidity is 65%.

In Kalji, in December, during 8 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

In Kalji, during December, snow falls for 4.3 days and regularly aggregates up to 117mm (4.61") of snow.

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

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

In December, on the first day of the month, sunrise is at 07:14 and sunset at 17:12. On the last day of the month, sunrise is at 07:32 and sunset at 17:22 +0330.

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

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

In Kalji, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kalji, 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).

Average pressure in December
Kalji, 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).

Average wind speed in December
Kalji, 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).

Average humidity in December
Kalji, 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%).

Average rainfall in December
Kalji, 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).

Average rainfall days in December
Kalji, 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).

Average snowfall in December
Kalji, 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).

Average snowfall days in December
Kalji, 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).

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

  • Average daylight in December: 9h and 48min

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 36min

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).

Average sunshine days in December
Kalji, 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).

Average UV index in December
Kalji, 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).

Average cloud cover in December
Kalji, 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).

Average visibility in December
Kalji, 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).