May weather forecastCrafton, CA
May
Weather in May
May, the last month of the spring in Crafton, is a warm month, with an average temperature varying between 75.6°F (24.2°C) and 51.1°F (10.6°C).Temperature
With the onset of May, Crafton's average high-temperature sees a modest rise, moving from April's agreeable 70.2°F (21.2°C) to a moderately hot 75.6°F (24.2°C). With a significant daily temperature differential, Crafton's nighttime temperature in May falls to an average of 51.1°F (10.6°C).Humidity
In Crafton, the average relative humidity in May is 51%.Rainfall
In Crafton, during May, the rain falls for 4.3 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, in Crafton, California, there are 49.1 rainfall days, and 6.5" (165mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Crafton, the average length of the day in May is 13h and 57min.On the first day of May in Crafton, sunrise is at 5:58 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:54 pm PDT.
Sunshine
In May, the average sunshine is 11.8h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Crafton, CA
- Average high temperature in May: 75.6°F
The warmest months (with the highest average high temperature) are July and August (90.3°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in May
Crafton, CA
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Crafton, CA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in May
Crafton, CA
- Average humidity in May: 51%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Crafton, CA
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Crafton, CA
- Average rainfall days in May: 4.3 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in May
Crafton, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Crafton, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Crafton, CA
- Average sunshine days in May: 25.6 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in May
Crafton, CA
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Crafton, CA
- Average cloud cover in May: 12
The months with the most cloud cover are February, March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Crafton, 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).
