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 arrives, a slight rise in the average high-temperature is observed, moving from an agreeable 72.1°F (22.3°C) in April to a warm 80.1°F (26.7°C). May nights see a notable contrast from daytime highs, with the nighttime temperature averaging at a fresh 52.7°F (11.5°C).Humidity
The average relative humidity in May in Keyes is 51%.Rainfall
In Keyes, in May, it is raining for 3.6 days, with typically 0.39" (10mm) of accumulated precipitation. In Keyes, during the entire year, the rain falls for 54.3 days and collects up to 6.54" (166mm) of precipitation.Daylight
In May, the average length of the day in Keyes is 14h and 13min.On the first day of May, sunrise is at 6:07 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:19 pm PDT.
Sunshine
In May, the average sunshine in Keyes, California, is 11.3h.UV index
In May, the average daily maximum UV index in Keyes is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 in May translates into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are May temperatures in Keyes?
What is the average humidity in May in Keyes?
How much does it rain in Keyes in May?
How many hours of daylight does Keyes have in May?
What time are sunrise and sunset in May in Keyes?
How long on average sun shines in May in Keyes?
How high is the UV index in May in Keyes?
Average temperature in May
Keyes, CA
- Average high temperature in May: 80.1°F
The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).
Average pressure in May
Keyes, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Keyes, CA
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).
Average humidity in May
Keyes, CA
- Average humidity in May: 51%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in May
Keyes, CA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Keyes, CA
- Average rainfall days in May: 3.6 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).
Average daylight in May /
Average sunshine in May
Keyes, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Keyes, CA
- Average sunshine days in May: 26.7 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).
Average UV index in May
Keyes, CA
- Average UV index in May: 6
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
Keyes, CA
- Average cloud cover in May: 17
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Keyes, 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).
Keyes, California, USA
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