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
Commerce observes a minor difference in average high-temperatures between December's 64.4°F (18°C) and January's 66.7°F (19.3°C). Commerce experiences a mean low-temperature of 50.5°F (10.3°C) during January.Humidity
In Commerce, the average relative humidity in January is 52%.Rainfall
In Commerce, during January, the rain falls for 5.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Commerce, there are 48.3 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 12min.On the first day of the month, sunrise is at 6:57 am and sunset at 4:54 pm. On the last day of January, in Commerce, California, sunrise is at 6:50 am and sunset at 5:21 pm PST.
Sunshine
The months with the least sunshine in Commerce are January, February and December, with an average of 6.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Commerce?
What is the average humidity in January in Commerce?
How much does it rain in Commerce in January?
How many hours of daylight does Commerce have in January?
When are sunrise and sunset in January in Commerce?
What is the month with the least sunshine in Commerce?
How many hours of sunshine does Commerce have in January?
What are the months with the lowest UV index in Commerce?
How high is the UV index in January in Commerce?
Average temperature in January
Commerce, CA
- Average high temperature in January: 66.7°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (64.4°F).
- Average low temperature in January: 50.5°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.3°F).
Average pressure in January
Commerce, 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 (29.88"Hg).
Average wind speed in January
Commerce, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).
Average humidity in January
Commerce, CA
- Average humidity in January: 52%
The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).
Average rainfall in January
Commerce, CA
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is February (1.73").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in January
Commerce, CA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is March (7.2 days).
The months with the least rainy days are June and August (1.3 days).
Average daylight in January /
Average sunshine in January
Commerce, 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: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in January
Commerce, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is August (27.7 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in January
Commerce, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in January
Commerce, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Commerce, 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).
Commerce, California, USA
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