December weather forecastLachvan, Iran
December
Weather in December
December, the first month of the winter in Lachvan, is also a wintry month, with temperature in the range of an average low of -2.9°C (26.8°F) and an average high of 3.7°C (38.7°F).Temperature
The advent of December brings a slight shift in average high-temperature, moving from a chilly 8.4°C (47.1°F) in November to a wintry 3.7°C (38.7°F). December nights in Lachvan experience a consistent temperature drop to a freezing cold -2.9°C (26.8°F).Humidity
In Lachvan, the average relative humidity in December is 68%.Rainfall
In Lachvan, during December, the rain falls for 7.2 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 107.9 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Lachvan. In Lachvan, in December, snow falls for 8.7 days, with typically accumulated 135mm (5.31") of snow. In Lachvan, Iran, during the entire year, snow falls for 42.1 days and aggregates up to 766mm (30.16") of snow.Daylight
December has the shortest days of the year in Lachvan, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 07:08 and sunset at 17:01. On the last day of the month, sunrise is at 07:26 and sunset at 17:11 +0330.
Sunshine
The months with the least sunshine are January and December, with an average of 6.5h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lachvan, Iran. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lachvan, Iran
- Average high temperature in December: 3.7°C
The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in December
Lachvan, 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
Lachvan, Iran
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is November (9.9km/h).
Average humidity in December
Lachvan, Iran
- Average humidity in December: 68%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is June (44%).
Average rainfall in December
Lachvan, Iran
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is April (64mm).
The driest months (with the least rainfall) are August and September (5mm).
Average rainfall days in December
Lachvan, Iran
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in December
Lachvan, Iran
- Average snowfall in December: 135mm
The month with the highest snowfall is January (175mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Lachvan, Iran
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.3 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
Lachvan, Iran
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Lachvan, Iran
- Average sunshine days in December: 18 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in December
Lachvan, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Lachvan, Iran
- Average cloud cover in December: 30
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
Lachvan, Iran
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
