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 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
Colton's coldest month, December, registers temperatures that range from a high of 59.9°F (15.5°C) to a low of 43.7°F (6.5°C).Humidity
In December, the average relative humidity is 51%.Rainfall
The month with the most rainfall is December, when the rain falls for 6 days and typically aggregates up to 1.42" (36mm) of precipitation.Snowfall
In Colton, California, snow does not fall in January, March through December.Daylight
The month with the shortest days in Colton is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:50 pm PST.
Sunshine
December has the least sunshine of the year in Colton, with an average of 6.9h of sunshine.UV index
December is the month with the lowest UV index in Colton, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Colton?
What are the temperatures in Colton in December?
What is the average humidity in December in Colton?
What is the rainiest month in Colton?
How much does it rain in Colton in December?
When it does not snow in Colton?
What is the month with the shortest days in Colton?
What is the average length of the day in December in Colton?
What time are sunrise and sunset in December in Colton?
What is the month with the least sunshine in Colton?
How long on average sun shines in December in Colton?
What is the month with the lowest UV index in Colton?
What is the UV index reading in December in Colton?
Average temperature in December
Colton, CA
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in December
Colton, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Colton, CA
- Average wind speed in December: 5.2mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in December
Colton, CA
- Average humidity in December: 51%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Colton, CA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Colton, CA
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in December
Colton, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Colton, CA
- 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: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Colton, CA
- Average sunshine days in December: 24.3 days
The months with the most sunshine days are June and October (27.9 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
Colton, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Colton, CA
- Average cloud cover in December: 21
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Colton, 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).
Colton, California, USA
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