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
In January, Bethel Island experiences a minor shift in meteorological conditions with average high-temperatures marked at a mild 56.1°F (13.4°C), closely mirroring the climate in December. In Bethel Island, the average low-temperature during the month of January is a wintry 41.5°F (5.3°C).Humidity
The most humid month is January, with an average relative humidity of 74%.Rainfall
In Bethel Island, in January, it is raining for 8.6 days, with typically 1.89" (48mm) of accumulated precipitation. In Bethel Island, California, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.Snowfall
In Bethel Island, snow does not fall in January through November.Daylight
In Bethel Island, the average length of the day in January is 9h and 53min.On the first day of January, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:28 pm PST.
Sunshine
The average sunshine in January is 6h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in January interprets into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
When it does not snow?
Does it snow in Bethel Island in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Bethel Island?
How many hours of sunshine does Bethel Island have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Bethel Island, CA
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in January: 41.5°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in January
Bethel Island, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Bethel Island, CA
- Average wind speed in January: 4.5mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in January
Bethel Island, CA
- Average humidity in January: 74%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in January
Bethel Island, CA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Bethel Island, CA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in January
Bethel Island, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Bethel Island, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in January
Bethel Island, CA
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index in January
Bethel Island, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Bethel Island, CA
- Average cloud cover in January: 34
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in January
Bethel Island, 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).
Bethel Island, California, USA
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