Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The onset of December coincides with a reduction in the average high-temperature, falling from a frosty 9.7°C (49.5°F) in November to an icy 4.5°C (40.1°F). Halaj experiences an average low-temperature of -2.9°C (26.8°F) in month of December.Humidity
In December, the average relative humidity is 68%.Rainfall
In Halaj, in December, it is raining for 5.8 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, there are 62.4 rainfall days, and 178mm (7.01") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Halaj, in December, during 4 snowfall days, 91mm (3.58") of snow is typically accumulated. Throughout the year, there are 19.5 snowfall days, and 424mm (16.69") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:26 and sunset at 17:13. On the last day of the month, sunrise is at 07:44 and sunset at 17:23 +0330.
Sunshine
January and December, with an average of 6.7h of sunshine, are months with the least sunshine.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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Halaj?
What are the months with the least sunshine?
How many hours of sunshine does Halaj have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Halaj, Iran
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (29.9°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).
Average pressure in December
Halaj, Iran
- Average pressure in December: 1022.1mbar
The month with the highest atmospheric pressure is December (1022.1mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed in December
Halaj, Iran
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is July (9.3km/h).
The calmest month (with the lowest average wind speed) is November (6.7km/h).
Average humidity in December
Halaj, Iran
- Average humidity in December: 68%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in December
Halaj, Iran
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is March (33mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in December
Halaj, Iran
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is April (9.8 days).
The month with the least rainy days is August (1.6 days).
Average snowfall in December
Halaj, Iran
- Average snowfall in December: 91mm
The month with the highest snowfall is February (131mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Halaj, Iran
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (6.2 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
Halaj, 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 4min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Halaj, Iran
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is August (28.1 days).
The month with the least sunshine days is April (18 days).
Average UV index in December
Halaj, 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
Halaj, Iran
- Average cloud cover in December: 24
The months with the most cloud cover are January, February and March (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility in December
Halaj, 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).
