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 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
Weather in December
Temperature
Rainbow's December weather, marked by an average high temperature of 62.2°F (16.8°C) and an average low temperature of 44.8°F (7.1°C), is the coldest in the year.Humidity
In December, the average relative humidity is 58%.Rainfall
The month with the most rainfall in Rainbow is December, when the rain falls for 7.4 days and typically aggregates up to 1.85" (47mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:35 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:51 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.6h of sunshine.UV index
December is the month with the lowest UV index in Rainbow, California, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Rainbow?
What are the temperatures in Rainbow in December?
What is the average humidity in December in Rainbow?
What is the rainiest month in Rainbow?
How much does it rain in Rainbow in December?
What is the month with the shortest days in Rainbow?
What is the average length of the day in December in Rainbow?
When are sunrise and sunset in December in Rainbow?
What is the month with the least sunshine in Rainbow?
How many hours of sunshine does Rainbow have in December?
What is the month with the lowest UV index in Rainbow?
How high is the UV index in December in Rainbow?
Average temperature in December
Rainbow, CA
- Average high temperature in December: 62.2°F
The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.2°F).
- Average low temperature in December: 44.8°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.4°F).
Average pressure in December
Rainbow, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Rainbow, CA
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.3mph).
Average humidity in December
Rainbow, CA
- Average humidity in December: 58%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
Rainbow, CA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Rainbow, CA
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is March (8.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in December /
Average sunshine in December
Rainbow, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
Rainbow, CA
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (20 days).
Average UV index in December
Rainbow, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Rainbow, CA
- Average cloud cover in December: 25
The month with the most cloud cover is March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Rainbow, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rainbow, California, USA
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