Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the start of May, the average high-temperature marginally shifts from April's agreeable 69.8°F (21°C) to a warm 78.4°F (25.8°C). Gridley observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 53.6°F (12°C) throughout the month of May.Humidity
In May, the average relative humidity is 53%.Rainfall
In Gridley, in May, it is raining for 6 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Gridley, there are 81.5 rainfall days, and 21.34" (542mm) of precipitation is accumulated.Snowfall
In Gridley, snow does not fall in March through December.Daylight
In Gridley, California, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:00 pm. On the last day of May, in Gridley, sunrise is at 5:41 am and sunset at 8:27 pm PDT.
Sunshine
The average sunshine in May in Gridley is 11.2h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Gridley in May?
What is the average humidity in May in Gridley?
How much does it rain in Gridley in May?
When it does not snow in Gridley?
What is the average length of the day in May in Gridley?
What time are sunrise and sunset in May in Gridley?
How many hours of sunshine does Gridley have in May?
How high is the UV index in May in Gridley?
Average temperature in May
Gridley, CA
- Average high temperature in May: 78.4°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 May: 53.6°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 May
Gridley, CA
- Average pressure in May: 29.95"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 May
Gridley, CA
- Average wind speed in May: 6mph
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 May
Gridley, CA
- Average humidity in May: 53%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (35%).
Average rainfall in May
Gridley, CA
- Average rainfall in May: 1.14"
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 May
Gridley, CA
- Average rainfall days in May: 6 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 May
Gridley, CA
- Average snowfall in May: 0"
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 May
Gridley, CA
- Average snowfall days in May: 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 May /
Average sunshine in May
Gridley, CA
- Average daylight in May: 14h and 2min
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 May: 11h and 1min
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 May
Gridley, CA
- Average sunshine days in May: 23.8 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 May
Gridley, CA
- Average UV index in May: 5
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 May
Gridley, CA
- Average cloud cover in May: 19
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 May
Gridley, CA
- Average visibility in May: 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
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