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 snowfall in January
- Average snowfall 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
O'Brien experiences an average high-temperature of a fresh 50.4°F in January, subtly different from December's 47.8°F. O'Brien, in January, observes a steady average low-temperature of 35.2°F.Humidity
In January, the average relative humidity is 75%.Rainfall
In O'Brien, California, in January, during 11.9 rainfall days, 4.13" of precipitation is typically accumulated. Throughout the year, there are 102.3 rainfall days, and 24.21" of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 0.4 days. Throughout January, 0.31" of snow is accumulated. In O'Brien, during the entire year, snow falls for 4.6 days and aggregates up to 4.45" of snow.Daylight
The average length of the day in January is 9h and 39min.On the first day of the month, sunrise is at 7:33 am and sunset at 4:52 pm. On the last day of January, in O'Brien, sunrise is at 7:20 am and sunset at 5:25 pm PST.
Sunshine
The average sunshine in January is 5.5h.UV index
In January, the average daily maximum UV index in O'Brien is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in January translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
FAQ
What is the average January temperature in O'Brien?
What is the average humidity in January in O'Brien?
How much does it rain in O'Brien in January?
How many days does it snow in January in O'Brien?
How many hours of daylight does O'Brien have in January?
When is the sunrise / sunset in January in O'Brien?
How long on average sun shines in January in O'Brien?
What is the UV index reading in January in O'Brien?
Average temperature in January
O'Brien, CA
- Average high temperature in January: 50.4°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (47.8°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in January
O'Brien, CA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in January
O'Brien, CA
- Average wind speed in January: 4.7mph
The windiest months (with the highest average wind speed) are March and October (5.3mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).
Average humidity in January
O'Brien, CA
- Average humidity in January: 75%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (37%).
Average rainfall in January
O'Brien, CA
- Average rainfall in January: 4.13"
The wettest month (with the highest rainfall) is March (4.8").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
O'Brien, CA
- Average rainfall days in January: 11.9 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.7 days).
Average snowfall in January
O'Brien, CA
- Average snowfall in January: 0.31"
The month with the highest snowfall is November (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
O'Brien, CA
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
O'Brien, CA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
O'Brien, CA
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is March (11.8 days).
Average UV index in January
O'Brien, CA
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in January
O'Brien, CA
- Average cloud cover in January: 39
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
O'Brien, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
O'Brien, California, USA
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