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
December is characterized by a reduction in the average high-temperature, from a cool 11.4°C (52.5°F) in November to a chilly 6.3°C (43.3°F). The month of December records an average low-temperature of -1.6°C (29.1°F).Humidity
The average relative humidity in December is 58%.Rainfall
In Sayan, Iran, during December, the rain falls for 6.9 days and regularly aggregates up to 24mm (0.94") of precipitation. In Sayan, during the entire year, the rain falls for 63.6 days and collects up to 169mm (6.65") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 3.8 days. Throughout December, 83mm (3.27") of snow is accumulated. In Sayan, during the entire year, snow falls for 20.8 days and aggregates up to 334mm (13.15") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 07:04 and sunset at 17:01. On the last day of the month, sunrise is at 07:22 and sunset at 17:11 +0330.
Sunshine
The average sunshine in December is 7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sayan?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sayan, Iran
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Sayan, Iran
- Average pressure in December: 1022mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1007.1mbar).
Average wind speed in December
Sayan, Iran
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is December (8.4km/h).
Average humidity in December
Sayan, 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 (24%).
Average rainfall in December
Sayan, Iran
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is February (30mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in December
Sayan, Iran
- Average rainfall days in December: 6.9 days
The months with the highest number of rainy days are March and April (9.8 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in December
Sayan, Iran
- Average snowfall in December: 83mm
The month with the highest snowfall is February (109mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sayan, Iran
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (7.5 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
Sayan, Iran
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in December
Sayan, Iran
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in December
Sayan, Iran
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sayan, Iran
- Average cloud cover in December: 22
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
Sayan, 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).
