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
In December, Shasta experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 13.5°C (56.3°F) in November to a cool 10.6°C (51.1°F). Shasta's average temperature throughout the nights in December exhibits a minor decrease from daytime highs, stabilizing at a chilly 6.2°C (43.2°F).Humidity
In Shasta, the average relative humidity in December is 70%.Rainfall
In Shasta, in December, it is raining for 11.6 days, with typically 50mm (1.97") of accumulated precipitation. In Shasta, during the entire year, the rain falls for 140.3 days and collects up to 522mm (20.55") of precipitation.Snowfall
In Shasta, snow does not fall in April through October and December.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 07:01 and sunset at 16:50. On the last day of December, in Shasta, sunrise is at 07:19 and sunset at 17:00 +0330.
Sunshine
The average sunshine in December is 6.2h.UV index
January through March and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Shasta have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Shasta have in December?
When is the lowest UV index?
What is the UV index reading in December in Shasta?
Average temperature in December
Shasta, Iran
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in December: 6.2°C
The month with the highest average low temperature is July (20.5°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in December
Shasta, Iran
- Average pressure in December: 1021.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in December
Shasta, Iran
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is October (11.1km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in December
Shasta, Iran
- Average humidity in December: 70%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is June (68%).
Average rainfall in December
Shasta, Iran
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is November (79mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days in December
Shasta, Iran
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is October (14.8 days).
The month with the least rainy days is June (7.4 days).
Average snowfall in December
Shasta, Iran
- Average snowfall in December: 0mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Shasta, Iran
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Shasta, 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: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in December
Shasta, Iran
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Shasta, Iran
- Average UV index in December: 3
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, March and December (UV index 3).
Average cloud cover in December
Shasta, Iran
- Average cloud cover in December: 28
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
Shasta, 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).
