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's onset sees an average high-temperature of a refreshing 56.5°F (13.6°C), exhibiting a slight fluctuation from the previous month. Preston, during the month of January, experiences an average low-temperature of 39.9°F (4.4°C).Humidity
The average relative humidity in January is 74%.Rainfall
In Preston, during January, the rain falls for 11.2 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Preston, during the entire year, the rain falls for 82.4 days and collects up to 20.75" (527mm) of precipitation.Snowfall
In Preston, snow does not fall in January, March through December.Daylight
The average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:30 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:31 pm PST.
Sunshine
The average sunshine in January is 5.6h.UV index
In January, the average daily maximum UV index in Preston is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Preston?
What is the average humidity in January in Preston?
How much does it rain in Preston in January?
When it does not snow in Preston?
Does it snow in Preston in January?
How many hours of daylight does Preston have in January?
When is the sunrise / sunset in January in Preston?
How long on average sun shines in January in Preston?
What is the UV index intensity in January in Preston?
Average temperature in January
Preston, CA
- Average high temperature in January: 56.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in January: 39.9°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in January
Preston, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Preston, CA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in January
Preston, CA
- Average humidity in January: 74%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are July and September (57%).
Average rainfall in January
Preston, CA
- Average rainfall in January: 3.62"
The wettest month (with the highest rainfall) is February (4.25").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Preston, CA
- Average rainfall days in January: 11.2 days
The month with the highest number of rainy days is March (14.6 days).
The months with the least rainy days are July and August (1.2 days).
Average snowfall in January
Preston, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.16").
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
Preston, 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, November and December (0 days).
Average daylight in January /
Average sunshine in January
Preston, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Preston, CA
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in January
Preston, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in January
Preston, CA
- Average cloud cover in January: 39
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in January
Preston, 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).
Preston, California, USA
Weather forecast for your location
2. Allow the app to use your location