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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a fresh 11.4°C (52.5°F) in November to a frosty 6.6°C (43.9°F). In Hirab, the average nighttime temperature during December is a subzero cold -1.1°C (30°F).Humidity
In Hirab, the average relative humidity in December is 58%.Rainfall
In Hirab, during December, the rain falls for 8.8 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 83.6 rainfall days, and 350mm (13.78") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 2.7 days. Throughout December, 116mm (4.57") of snow is accumulated. Throughout the year, there are 17.6 snowfall days, and 442mm (17.4") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 07:01 and sunset at 17:05. On the last day of December, in Hirab, Iran, sunrise is at 07:18 and sunset at 17:15 +0330.
Sunshine
In Hirab, the average sunshine in December is 6.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hirab in December?
What is the average humidity in December in Hirab?
How much does it rain in Hirab in December?
How much does it snow in Hirab in December?
What is the month with the shortest days in Hirab?
What is the average length of the day in December in Hirab?
What time are sunrise and sunset in December in Hirab?
How long on average sun shines in December in Hirab?
When is the lowest UV index in Hirab?
How high is the UV index in December in Hirab?
Average temperature in December
Hirab, Iran
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (33.4°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Hirab, Iran
- Average pressure in December: 1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is July (1004.7mbar).
Average wind speed in December
Hirab, Iran
- Average wind speed in December: 7.7km/h
The windiest month (with the highest average wind speed) is March (10.7km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in December
Hirab, Iran
- Average humidity in December: 58%
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is July (19%).
Average rainfall in December
Hirab, Iran
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is March (64mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in December
Hirab, Iran
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in December
Hirab, Iran
- Average snowfall in December: 116mm
The month with the highest snowfall is January (153mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hirab, Iran
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (6.9 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
Hirab, Iran
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in December
Hirab, Iran
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in December
Hirab, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Hirab, Iran
- Average cloud cover in December: 26
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in December
Hirab, Iran
- Average visibility in December: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
