December weather forecastYalfan, Iran
December
Weather in December
The first month of the winter, December, is also a wintry month in Yalfan, Iran, with an average temperature ranging between max 5.5°C (41.9°F) and min -2°C (28.4°F).Temperature
A mild shift in the average high-temperature occurs in December, reducing from a cool 10.4°C (50.7°F) in November to a wintry 5.5°C (41.9°F). In the month of December, the average temperature dips to a freezing cold -2°C (28.4°F) during the night.Humidity
The average relative humidity in December is 58%.Rainfall
In December, the rain falls for 4.8 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 59.7 rainfall days, and 258mm (10.16") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 4.1 days. Throughout December, 177mm (6.97") of snow is accumulated. Throughout the year, there are 23.5 snowfall days, and 678mm (26.69") of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:04 and sunset at 17:04. On the last day of the month, sunrise is at 07:22 and sunset at 17:14 +0330.
Sunshine
The average sunshine in December in Yalfan is 6.9h.UV index
January, February, 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 minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yalfan, Iran
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in December
Yalfan, 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 (1006.4mbar).
Average wind speed in December
Yalfan, Iran
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is November (8.3km/h).
Average humidity in December
Yalfan, Iran
- Average humidity in December: 58%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is July (21%).
Average rainfall in December
Yalfan, Iran
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is March (44mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in December
Yalfan, Iran
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is April (10.4 days).
The month with the least rainy days is September (0.6 days).
Average snowfall in December
Yalfan, Iran
- Average snowfall in December: 177mm
The month with the highest snowfall is February (194mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Yalfan, Iran
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (8.1 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
Yalfan, Iran
- Average daylight in December: 9h and 54min
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 54min
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 48min).
Average sunshine days in December
Yalfan, Iran
- Average sunshine days in December: 24.1 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in December
Yalfan, 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
Yalfan, Iran
- Average cloud cover in December: 23
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in December
Yalfan, 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).
