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
In January, Diablo experiences a minor shift in meteorological conditions with average high-temperatures marked at a still mild 56.8°F (13.8°C), closely mirroring the climate in December. In the month of January, the nighttime temperature dips to a steady average of 42.1°F (5.6°C).Humidity
In January, the average relative humidity is 73%.Rainfall
In Diablo, in January, during 8.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 65.6 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Daylight
In Diablo, California, the average length of the day in January is 9h and 54min.On the first day of January, 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 Diablo is 6.1h.UV index
The months with the lowest UV index in Diablo are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 3 suggests these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average January temperature in Diablo?
What is the average humidity in January in Diablo?
How much does it rain in Diablo in January?
How many hours of daylight does Diablo have in January?
When is the sunrise / sunset in January in Diablo?
How many hours of sunshine does Diablo have in January?
What is the month with the lowest UV index in Diablo?
What is the UV index reading in January in Diablo?
Average temperature in January
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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
Diablo, 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).
Diablo, California, USA
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