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 commencement of December indicates a gentle shift in the average high-temperature, receding from November's fresh 12.5°C (54.5°F) to a chilly 9.1°C (48.4°F). The average temperature during December nights dips to a cold 0.2°C (32.4°F).Humidity
The average relative humidity in December is 51%.Rainfall
In Siasak, Iran, in December, during 4.5 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Siasak, during the entire year, the rain falls for 63.6 days and collects up to 158mm (6.22") of precipitation.Snowfall
Months with snowfall in Siasak are January through April, November and December. In December, it is snowing for 2.5 days. Throughout December, 20mm (0.79") of snow is accumulated. Throughout the year, there are 15.3 snowfall days, and 268mm (10.55") of snow is accumulated.Daylight
December has the shortest days of the year in Siasak, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 06:24 and sunset at 16:16. On the last day of December, in Siasak, Iran, sunrise is at 06:42 and sunset at 16:26 +0330.
Sunshine
In Siasak, Iran, the average sunshine in December is 7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Siasak in December?
What is the average humidity in December in Siasak?
How many days does it rain in December in Siasak?
How many days does it snow in December in Siasak?
What is the month with the shortest days in Siasak?
What is the average length of the day in December in Siasak?
When is the sunrise / sunset in December in Siasak?
How many hours of sunshine does Siasak have in December?
What is the month with the lowest UV index in Siasak?
How high is the UV index in December in Siasak?
Average temperature in December
Siasak, Iran
- Average high temperature in December: 9.1°C
The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is July (20.9°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in December
Siasak, Iran
- Average pressure in December: 1022.9mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is July (1007.2mbar).
Average wind speed in December
Siasak, Iran
- Average wind speed in December: 8.2km/h
The windiest month (with the highest average wind speed) is July (15.7km/h).
The calmest month (with the lowest average wind speed) is November (7.8km/h).
Average humidity in December
Siasak, Iran
- Average humidity in December: 51%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is July (20%).
Average rainfall in December
Siasak, Iran
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is April (35mm).
The driest months (with the least rainfall) are July, August and September (0mm).
Average rainfall days in December
Siasak, Iran
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in December
Siasak, Iran
- Average snowfall in December: 20mm
The month with the highest snowfall is February (126mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Siasak, Iran
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siasak, Iran
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in December
Siasak, Iran
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is August (30.4 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in December
Siasak, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Siasak, Iran
- Average cloud cover in December: 18
The month with the most cloud cover is February (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in December
Siasak, Iran
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
