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 arrival of December indicates a decrease in the average high-temperature, moving from a frosty 9.3°C (48.7°F) in November to a cold 4.1°C (39.4°F). During December, the temperature in Sisan tends to dip to an average of -3.6°C (25.5°F) at night.Humidity
In Sisan, the average relative humidity in December is 67%.Rainfall
In Sisan, in December, during 6.5 rainfall days, 9mm (0.35") of precipitation is typically accumulated. In Sisan, Iran, during the entire year, the rain falls for 74.2 days and collects up to 100mm (3.94") of precipitation.Snowfall
Months with snowfall in Sisan, Iran, are January through April, November and December. In Sisan, during December, snow falls for 3.9 days and regularly aggregates up to 18mm (0.71") of snow. Throughout the year, there are 19.1 snowfall days, and 105mm (4.13") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 07:20 and sunset at 17:04. On the last day of December, in Sisan, sunrise is at 07:38 and sunset at 17:14 +0330.
Sunshine
December has the least sunshine of the year, with an average of 6.8h of sunshine.UV index
The months with the lowest UV index in Sisan are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sisan?
What is the average humidity in December in Sisan?
How much does it rain in Sisan in December?
How much does it snow in Sisan in December?
What is the month with the shortest days in Sisan?
What is the average length of the day in December in Sisan?
When is the sunrise / sunset in December in Sisan?
What is the month with the least sunshine in Sisan?
How many hours of sunshine does Sisan have in December?
What are the months with the lowest UV index in Sisan?
How high is the UV index in December in Sisan?
Average temperature in December
Sisan, Iran
- Average high temperature in December: 4.1°C
The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (1.1°C).
- Average low temperature in December: -3.6°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (-6.6°C).
Average pressure in December
Sisan, Iran
- Average pressure in December: 1022.2mbar
The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Sisan, Iran
- Average wind speed in December: 8.3km/h
The windiest months (with the highest average wind speed) are July and August (14km/h).
The calmest month (with the lowest average wind speed) is December (8.3km/h).
Average humidity in December
Sisan, Iran
- Average humidity in December: 67%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Sisan, Iran
- Average rainfall in December: 9mm
The wettest month (with the highest rainfall) is April (16mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in December
Sisan, Iran
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (2.4 days).
Average snowfall in December
Sisan, Iran
- Average snowfall in December: 18mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sisan, Iran
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (5.8 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
Sisan, 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 5min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Sisan, Iran
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in December
Sisan, Iran
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sisan, Iran
- Average cloud cover in December: 24
The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).
Average visibility in December
Sisan, Iran
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
