Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The advent of January sees the average high-temperature at an enjoyable 62.2°F (16.8°C), subtly shifted from December's 59.9°F (15.5°C). An average low-temperature of 44.6°F (7°C) is recorded during the nights in January in Colton.Humidity
In Colton, California, the average relative humidity in January is 48%.Rainfall
In Colton, during January, the rain falls for 5.8 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Colton, during the entire year, the rain falls for 46.6 days and collects up to 6.18" (157mm) of precipitation.Snowfall
January, March through December are months without snowfall in Colton, California.Daylight
The average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:54 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:18 pm PST.
Sunshine
The average sunshine in January in Colton is 7h.UV index
In Colton, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during January translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are the temperatures in Colton in January?
What is the average humidity in January in Colton?
How many days does it rain in January in Colton?
When it does not snow in Colton?
Does it snow in Colton in January?
How many hours of daylight does Colton have in January?
When is the sunrise / sunset in January in Colton?
How long on average sun shines in January in Colton?
What is the UV index reading in January in Colton?
Average temperature in January
Colton, CA
- Average high temperature in January: 62.2°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 January: 44.6°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 January
Colton, CA
- Average pressure in January: 30.1"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 January
Colton, CA
- Average wind speed in January: 5.3mph
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 January
Colton, CA
- Average humidity in January: 48%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
Colton, CA
- Average rainfall in January: 0.91"
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 January
Colton, CA
- Average rainfall days in January: 5.8 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 January
Colton, CA
- Average snowfall days in January: 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 January /
Average sunshine in January
Colton, CA
- Average daylight in January: 10h and 1min
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 January: 7h and 0min
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 January
Colton, CA
- Average sunshine days in January: 24.2 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 January
Colton, CA
- Average UV index in January: 4
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 January
Colton, CA
- Average cloud cover in January: 19
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 January
Colton, CA
- Average visibility in January: 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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