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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a fresh 12°C (53.6°F) to a frosty 7.7°C (45.9°F). During the month of December, the nighttime temperature falls to an average of 0.5°C (32.9°F).Humidity
In December, the average relative humidity is 49%.Rainfall
In December, the rain falls for 3.9 days. Throughout December, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 71.7 rainfall days, and 210mm (8.27") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Chahar Borji, in December, during 1.5 snowfall days, 16mm (0.63") of snow is typically accumulated. In Chahar Borji, during the entire year, snow falls for 11 days and aggregates up to 202mm (7.95") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 06:16 and sunset at 16:16. On the last day of the month, sunrise is at 06:34 and sunset at 16:26 +0330.
Sunshine
In December, the average sunshine is 7.4h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk 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:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chahar Borji in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Chahar Borji have in December?
When are sunrise and sunset in December in Chahar Borji?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Chahar Borji, Iran
- Average high temperature in December: 7.7°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 (5.7°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in December
Chahar Borji, Iran
- Average pressure in December: 1022.3mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).
Average wind speed in December
Chahar Borji, Iran
- Average wind speed in December: 6.5km/h
The windiest month (with the highest average wind speed) is July (23.1km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).
Average humidity in December
Chahar Borji, Iran
- Average humidity in December: 49%
The month with the highest relative humidity is February (58%).
The month with the lowest relative humidity is July (18%).
Average rainfall in December
Chahar Borji, Iran
- Average rainfall in December: 7mm
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
Chahar Borji, Iran
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in December
Chahar Borji, Iran
- Average snowfall in December: 16mm
The month with the highest snowfall is January (89mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Chahar Borji, Iran
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.9 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
Chahar Borji, Iran
- Average daylight in December: 9h and 5min
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: 7h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 24min).
The months with the least sunshine are January and February (Average sunshine: 7h and 0min).
Average sunshine days in December
Chahar Borji, Iran
- Average sunshine days in December: 25 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Chahar Borji, Iran
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Chahar Borji, Iran
- Average cloud cover in December: 17
The month with the most cloud cover is February (Cloud cover 25).
The months with the least cloud cover are July, August and September (Cloud cover 2).
Average visibility in December
Chahar Borji, 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).
