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 advent of January reveals an average high-temperature of a refreshing 56.8°F (13.8°C), showing minimal difference from the prior month. The average temperature in Gridley drops to a cold 41.9°F (5.5°C) during the night in the month of January.Humidity
The average relative humidity in January is 69%.Rainfall
In January, in Gridley, the rain falls for 10.2 days. Throughout January, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 81.5 rainfall days, and 21.34" (542mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and February. The month with the most snowfall in Gridley is January, when 0.39" (10mm) of snow is typically aggregated.Daylight
The average length of the day in January is 9h and 46min.On the first day of January, sunrise is at 7:26 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm PST.
Sunshine
In Gridley, the average sunshine in January is 6h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 3 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures in Gridley?
What is the average humidity in January in Gridley?
How many days does it rain in January in Gridley?
When does it snow the most in Gridley?
When does it start to snow in Gridley?
How many hours of daylight does Gridley have in January?
When is the sunrise / sunset in January in Gridley?
How long on average sun shines in January in Gridley?
What are the months with the lowest UV index in Gridley?
How high is the UV index in January in Gridley?
Average temperature in January
Gridley, CA
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in January: 41.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in January
Gridley, 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
Gridley, CA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in January
Gridley, CA
- Average humidity in January: 69%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (35%).
Average rainfall in January
Gridley, CA
- Average rainfall in January: 3.03"
The wettest months (with the highest rainfall) are February and March (3.98").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in January
Gridley, CA
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.4 days).
Average snowfall in January
Gridley, CA
- Average snowfall in January: 0.4"
The month with the highest snowfall is January (0.4").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Gridley, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Gridley, 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: 6h and 0min
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 54min).
Average sunshine days in January
Gridley, CA
- Average sunshine days in January: 20 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16 days).
Average UV index in January
Gridley, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Gridley, CA
- Average cloud cover in January: 33
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Gridley, 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).
Gridley, California, USA
Weather forecast for your location
2. Allow the app to use your location