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
Campbell signifies an average high-temperature of a still mild 58.5°F (14.7°C) in January, closely mirroring the 56.7°F (13.7°C) of December. Campbell experiences an average nighttime temperature of 43.9°F (6.6°C) in the month of January.Humidity
In Campbell, the average relative humidity in January is 72%.Rainfall
In Campbell, in January, it is raining for 9.1 days, with typically 2.09" (53mm) of accumulated precipitation. In Campbell, during the entire year, the rain falls for 68.6 days and collects up to 11.57" (294mm) of precipitation.Daylight
In January, the average length of the day is 9h and 56min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in January is 6.4h.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 estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during January leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the average humidity in January?
How much does it rain in January?
How many hours of daylight does Campbell have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Campbell have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Campbell, CA
- Average high temperature in January: 58.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (56.7°F).
- Average low temperature in January: 43.9°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in January
Campbell, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in January
Campbell, CA
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.5mph).
Average humidity in January
Campbell, CA
- Average humidity in January: 72%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (62%).
Average rainfall in January
Campbell, CA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is February (2.2").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Campbell, CA
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.9 days).
Average daylight in January /
Average sunshine in January
Campbell, 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
Campbell, CA
- Average sunshine days in January: 20.9 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in January
Campbell, 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
Campbell, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in January
Campbell, 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).
Campbell, California, USA
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