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
The arrival of May denotes a barely perceptible change in the average high-temperatures to a still refreshing 67.3°F (19.6°C) from April's 64°F (17.8°C). The mean low-temperature during May nights is a frosty 48.4°F (9.1°C).Humidity
In Prunedale, the average relative humidity in May is 72%.Rainfall
In Prunedale, California, during May, the rain falls for 3.4 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 53.1 rainfall days, and 5.35" (136mm) of precipitation is accumulated.Daylight
In May, the average length of the day is 14h and 9min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:55 pm. On the last day of May, in Prunedale, California, sunrise is at 5:49 am and sunset at 8:19 pm PDT.
Sunshine
The average sunshine in May is 11h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Prunedale have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Prunedale, CA
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is September (54.5°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure in May
Prunedale, CA
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in May
Prunedale, CA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is May (6.5mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in May
Prunedale, CA
- Average humidity in May: 72%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Prunedale, CA
- Average rainfall in May: 0.24"
The wettest month (with the highest rainfall) is December (1.14").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in May
Prunedale, CA
- Average rainfall days in May: 3.4 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (0.7 days).
Average daylight in May /
Average sunshine in May
Prunedale, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days in May
Prunedale, CA
- Average sunshine days in May: 26.3 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (20 days).
Average UV index in May
Prunedale, CA
- Average UV index in May: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in May
Prunedale, CA
- Average cloud cover in May: 23
The month with the most cloud cover is March (Cloud cover 33).
The months with the least cloud cover are July and September (Cloud cover 10).
Average visibility in May
Prunedale, 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).
Prunedale, California, USA
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