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
January observes an average high-temperature of a still wintry 38.1°F (3.4°C), marking an insignificant difference from December's 36.5°F (2.5°C). During January, Ravendale's temperature averages to a subzero cold 23.4°F (-4.8°C) at night.Humidity
January is the most humid month, with an average relative humidity of 81%.Rainfall
In Ravendale, in January, it is raining for 6.3 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 73 rainfall days, and 12.17" (309mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Ravendale, in January, snow falls for 12.1 days, with typically accumulated 10.31" (262mm) of snow. In Ravendale, during the entire year, snow falls for 66 days and aggregates up to 54.69" (1389mm) of snow.Daylight
In Ravendale, the average length of the day in January is 9h and 39min.On the first day of January, sunrise is at 7:25 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Ravendale have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Ravendale, CA
- Average high temperature in January: 38.1°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in January
Ravendale, CA
- Average pressure in January: 30.2"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Ravendale, CA
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Ravendale, CA
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (35%).
Average rainfall in January
Ravendale, CA
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
Ravendale, CA
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is August (2.2 days).
Average snowfall in January
Ravendale, CA
- Average snowfall in January: 10.31"
The month with the highest snowfall is December (12.91").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Ravendale, CA
- Average snowfall days in January: 12.1 days
The months with the highest number of snowfall days are March and December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Ravendale, 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 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in January
Ravendale, CA
- Average sunshine days in January: 16.8 days
The months with the most sunshine days are July and August (27.3 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in January
Ravendale, CA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Ravendale, CA
- Average cloud cover in January: 39
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in January
Ravendale, CA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Ravendale, California, USA
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