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 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
As May sets, the average high-temperature shows a slight increase, moving up from an agreeable 69.6°F (20.9°C) in April to a warm 76.6°F (24.8°C). A considerable shift from the daytime highs is observed in Isleton during May nights, with an average low of 51.1°F (10.6°C).Humidity
In Isleton, California, the average relative humidity in May is 59%.Rainfall
In May, in Isleton, California, the rain falls for 4.7 days. Throughout May, 0.51" (13mm) of precipitation is accumulated. In Isleton, California, during the entire year, the rain falls for 68.7 days and collects up to 11.18" (284mm) of precipitation.Daylight
The average length of the day in May is 14h and 16min.On the first day of May, sunrise is at 6:08 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:23 pm PDT.
Sunshine
The average sunshine in May in Isleton is 11.2h.UV index
In Isleton, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Isleton?
What is the average humidity in May in Isleton?
How many days does it rain in May in Isleton?
How many hours of daylight does Isleton have in May?
When is the sunrise / sunset in May in Isleton?
How long on average sun shines in May in Isleton?
What is the UV index intensity in May in Isleton?
Average temperature in May
Isleton, CA
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in May
Isleton, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Isleton, CA
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in May
Isleton, CA
- Average humidity in May: 59%
The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).
Average rainfall in May
Isleton, CA
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").
Average rainfall days in May
Isleton, CA
- Average rainfall days in May: 4.7 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).
Average daylight in May /
Average sunshine in May
Isleton, CA
- Average daylight in May: 14h and 2min
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 36min).
- Average sunshine in May: 11h and 1min
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 54min).
Average sunshine days in May
Isleton, CA
- Average sunshine days in May: 25.8 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in May
Isleton, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Isleton, CA
- Average cloud cover in May: 19
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Isleton, 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).
Isleton, California, USA
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