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's arrival aligns with a minor decrease in average high-temperatures, from November's moderate 13.4°C (56.1°F) to a chilly 8.9°C (48°F). Throughout December, Chesham anticipates an average low-temperature of 1.3°C (34.3°F).Humidity
In December, the average relative humidity is 48%.Rainfall
In December, the rain falls for 2.8 days. Throughout December, 3mm (0.12") of precipitation is accumulated. Throughout the year, there are 54.5 rainfall days, and 110mm (4.33") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Chesham, during December, snow falls for 0.4 days and regularly aggregates up to 4mm (0.16") of snow. In Chesham, during the entire year, snow falls for 3.1 days and aggregates up to 28mm (1.1") of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December in Chesham, sunrise is at 06:34 and sunset at 16:27. On the last day of the month, sunrise is at 06:52 and sunset at 16:37 +0330.
Sunshine
The average sunshine in December is 7.2h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Chesham?
How many hours of daylight does Chesham have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index in Chesham?
How high is the UV index in December?
Average temperature in December
Chesham, Iran
- Average high temperature in December: 8.9°C
The warmest month (with the highest average high temperature) is July (34.8°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is July (23.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in December
Chesham, 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 (1007.7mbar).
Average wind speed in December
Chesham, Iran
- Average wind speed in December: 6.3km/h
The windiest month (with the highest average wind speed) is July (16.5km/h).
The calmest month (with the lowest average wind speed) is December (6.3km/h).
Average humidity in December
Chesham, Iran
- Average humidity in December: 48%
The months with the highest relative humidity are January and February (53%).
The month with the lowest relative humidity is July (17%).
Average rainfall in December
Chesham, Iran
- Average rainfall in December: 3mm
The wettest month (with the highest rainfall) is May (25mm).
The driest months (with the least rainfall) are July, August and September (1mm).
Average rainfall days in December
Chesham, Iran
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is August (0.7 days).
Average snowfall in December
Chesham, Iran
- Average snowfall in December: 4mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Chesham, Iran
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Chesham, Iran
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 7h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 18min).
The months with the least sunshine are January and February (Average sunshine: 7h and 6min).
Average sunshine days in December
Chesham, Iran
- Average sunshine days in December: 27.8 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in December
Chesham, Iran
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Chesham, Iran
- Average cloud cover in December: 18
The month with the most cloud cover is February (Cloud cover 23).
The months with the least cloud cover are August and September (Cloud cover 3).
Average visibility in December
Chesham, 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).
