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
Danville transitions into January recording an average high-temperature of a still moderate 56.8°F (13.8°C), closely aligning with the preceding month's temperature. Danville reports an average nighttime low-temperature of 42.1°F (5.6°C) in January.Humidity
In Danville, California, the average relative humidity in January is 73%.Rainfall
In Danville, in January, during 8.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Danville, during the entire year, the rain falls for 65.6 days and collects up to 11.22" (285mm) of precipitation.Daylight
The average length of the day in January in Danville is 9h and 54min.On the first day of January in Danville, sunrise is at 7:23 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:29 pm PST.
Sunshine
The average sunshine in January in Danville is 6.1h.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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 3 suggests these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are January temperatures in Danville?
What is the average humidity in January in Danville?
How many days does it rain in January in Danville?
What is the average length of the day in January in Danville?
When are sunrise and sunset in January in Danville?
How many hours of sunshine does Danville have in January?
What are the months with the lowest UV index in Danville?
What is the UV index reading in January in Danville?
Average temperature in January
Danville, CA
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in January: 42.1°F
The months with the highest average low temperature are August and September (56.7°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).
Average pressure in January
Danville, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Danville, CA
- Average wind speed in January: 4.5mph
The windiest month (with the highest average wind speed) is May (6.9mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in January
Danville, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).
Average rainfall in January
Danville, CA
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is February (2.36").
The driest months (with the least rainfall) are July and August (0").
Average rainfall days in January
Danville, CA
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.6 days).
Average daylight in January /
Average sunshine in January
Danville, 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 1min
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
Danville, CA
- Average sunshine days in January: 21 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in January
Danville, 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
Danville, CA
- Average cloud cover in January: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in January
Danville, 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).
Danville, California, USA
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