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
The commencement of January records an average high-temperature of a mild 55.8°F (13.2°C), barely varying from December's 53.6°F (12°C). Rackerby's average low-temperature in the month of January is recorded at a wintry 40.6°F (4.8°C).Humidity
In Rackerby, the average relative humidity in January is 70%.Rainfall
In Rackerby, in January, during 8.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 71.4 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
In Rackerby, snow does not fall in January, March through December.Daylight
The average length of the day in January is 9h and 46min.On the first day of January, sunrise is at 7:25 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:23 pm PST.
Sunshine
The average sunshine in January is 5.9h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 3 during January translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rackerby in January?
What is the average humidity in January?
How much does it rain in January?
When it does not snow?
Does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
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
Rackerby, CA
- Average high temperature in January: 55.8°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in January: 40.6°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in January
Rackerby, 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 June (29.9"Hg).
Average wind speed in January
Rackerby, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are August and November (5mph).
Average humidity in January
Rackerby, CA
- Average humidity in January: 70%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (35%).
Average rainfall in January
Rackerby, CA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is March (2.87").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in January
Rackerby, CA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (1.6 days).
Average snowfall in January
Rackerby, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Rackerby, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Rackerby, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 5min
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
Rackerby, CA
- Average sunshine days in January: 21.4 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.4 days).
Average UV index in January
Rackerby, CA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Rackerby, CA
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Rackerby, 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).
Rackerby, California, USA
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