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 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
With the onset of January, the average high-temperature registers at a still enjoyable 63.1°F (17.3°C), subtly different from December's 61.2°F (16.2°C). Big River reports a consistent average low-temperature of 47.3°F (8.5°C) throughout January nights.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 39%.Rainfall
In January, the rain falls for 2.3 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 39.4 rainfall days, and 3.9" (99mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:43 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 5:06 pm PST.
Sunshine
In January, the average sunshine is 7.6h.UV index
In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during January leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January in Big River?
How many hours of daylight does Big River have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Big River have in January?
How high is the UV index in January?
Average temperature in January
Big River, CA
- Average high temperature in January: 63.1°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in January: 47.3°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in January
Big River, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in January
Big River, CA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in January
Big River, CA
- Average humidity in January: 39%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in January
Big River, CA
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in January
Big River, CA
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in January /
Average sunshine in January
Big River, 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 4min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Big River, CA
- Average sunshine days in January: 28.2 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in January
Big River, CA
- Average UV index in January: 4
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Big River, CA
- Average cloud cover in January: 17
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in January
Big River, 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).
Big River, California, USA
Weather forecast for your location
2. Allow the app to use your location