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
The average high-temperature is a still mild 57.7°F (14.3°C) in January, hardly different from the 55.6°F (13.1°C) recorded in December. Bystrom reports an average low-temperature of 41.9°F (5.5°C) during the nights of January.Humidity
The most humid month is January, with an average relative humidity of 72%.Rainfall
In Bystrom, in January, during 5.9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Bystrom, there are 54.3 rainfall days, and 6.54" (166mm) of precipitation is accumulated.Daylight
The average length of the day in January in Bystrom, California, is 9h and 55min.On the first day of January, sunrise is at 7:18 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:26 pm PST.
Sunshine
In Bystrom, the average sunshine in January is 6.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Bystrom?
What is the most humid month in Bystrom?
What is the average humidity in January in Bystrom?
How many days does it rain in January in Bystrom?
What is the average length of the day in January in Bystrom?
When is the sunrise / sunset in January in Bystrom?
How long on average sun shines in January in Bystrom?
What are the months with the lowest UV index in Bystrom?
What is the UV index reading in January in Bystrom?
Average temperature in January
Bystrom, CA
- Average high temperature in January: 57.7°F
The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in January: 41.9°F
The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).
Average pressure in January
Bystrom, CA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Bystrom, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).
Average humidity in January
Bystrom, CA
- Average humidity in January: 72%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in January
Bystrom, CA
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Bystrom, CA
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).
Average daylight in January /
Average sunshine in January
Bystrom, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 2min
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 0min).
Average sunshine days in January
Bystrom, CA
- Average sunshine days in January: 24.1 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).
Average UV index in January
Bystrom, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Bystrom, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Bystrom, 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).
Bystrom, California, USA
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