May weather forecastGranite Hills, CA
May
Weather in May
May, the last month of the spring in Granite Hills, is another pleasant month, with an average temperature ranging between min 54°F (12.2°C) and max 71.6°F (22°C).Temperature
The ushering in of May brings an average high-temperature of a still agreeable 71.6°F (22°C), closely mirroring the 70°F (21.1°C) of April. During May, Granite Hills experiences a consistent low-temperature average of 54°F (12.2°C).Humidity
May is the most humid month, with an average relative humidity of 66%.Rainfall
In Granite Hills, during May, the rain falls for 4.8 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Granite Hills, during the entire year, the rain falls for 56.1 days and collects up to 8.27" (210mm) of precipitation.Daylight
In May, the average length of the day is 13h and 52min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:29 pm. On the last day of May, in Granite Hills, sunrise is at 5:40 am and sunset at 7:50 pm PDT.
Sunshine
In May, the average sunshine in Granite Hills is 11.1h.UV index
In May, the average daily maximum UV index in Granite Hills, California, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Granite Hills, CA
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).
Average pressure in May
Granite Hills, CA
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in May
Granite Hills, CA
- Average wind speed in May: 5.4mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).
Average humidity in May
Granite Hills, CA
- Average humidity in May: 66%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).
Average rainfall in May
Granite Hills, CA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Granite Hills, CA
- Average rainfall days in May: 4.8 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).
Average daylight in May /
Average sunshine in May
Granite Hills, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 6min
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 42min).
Average sunshine days in May
Granite Hills, CA
- Average sunshine days in May: 24.8 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).
Average UV index in May
Granite Hills, CA
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in May
Granite Hills, CA
- Average cloud cover in May: 19
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in May
Granite Hills, 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).





