May weather forecastOnyx, CA
May
Weather in May
The last month of the spring, May, is a comfortable month in Onyx, California, with an average temperature fluctuating between 44.6°F (7°C) and 67.8°F (19.9°C).Temperature
May showcases a minor temperature ascent, adjusting from April's refreshing 60.4°F (15.8°C) to a comfortable 67.8°F (19.9°C). May nights show a substantial disparity from the daytime peak with an average low-temperature of 44.6°F (7°C).Humidity
In May, the average relative humidity in Onyx, California, is 47%.Rainfall
In Onyx, in May, during 4.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, in Onyx, there are 61 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Onyx, the average length of the day in May is 14h and 4min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:40 pm. On the last day of May, in Onyx, sunrise is at 5:38 am and sunset at 8:03 pm PDT.
Sunshine
The average sunshine in May is 11.6h.UV index
The average daily maximum UV index in May in Onyx, California, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during May leads to these advisories:
Take precautions - Protection against sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Onyx, CA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is December (30.9°F).
Average pressure in May
Onyx, CA
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Onyx, CA
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are May and June (7.3mph).
The calmest months (with the lowest average wind speed) are January and September (5.4mph).
Average humidity in May
Onyx, CA
- Average humidity in May: 47%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is August (31%).
Average rainfall in May
Onyx, CA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is January (2.48").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in May
Onyx, CA
- Average rainfall days in May: 4.4 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall in May
Onyx, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Onyx, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Onyx, CA
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 11h and 36min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in May
Onyx, CA
- Average sunshine days in May: 25.9 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (19 days).
Average UV index in May
Onyx, 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 February, November and December (UV index 2).
Average cloud cover in May
Onyx, CA
- Average cloud cover in May: 14
The month with the most cloud cover is March (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in May
Onyx, 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).
