May weather forecastSan Manuel, AZ
May
Weather in May
The last month of the spring, May, is also a moderately hot month in San Manuel, Arizona, with an average temperature ranging between max 83.1°F (28.4°C) and min 57.2°F (14°C).Temperature
May's onset is marked by a subtle temperature increase, moving from 75.4°F (24.1°C) in April to a still warm 83.1°F (28.4°C). May, marked by an average low-temperature of 57.2°F (14°C), indicates a large temperature drop from the daytime peak.Humidity
In May, the average relative humidity in San Manuel is 23%.Rainfall
In San Manuel, in May, during 2.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 76 rainfall days, and 10.39" (264mm) of precipitation is accumulated.Snowfall
In San Manuel, snow does not fall in March through October.Daylight
In San Manuel, the average length of the day in May is 13h and 51min.On the first day of the month, sunrise is at 5:34 am and sunset at 7:04 pm. On the last day of May, sunrise is at 5:15 am and sunset at 7:24 pm MST.
Sunshine
The average sunshine in May is 11.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 7 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Manuel, AZ
- Average high temperature in May: 83.1°F
The warmest month (with the highest average high temperature) is June (94.1°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in May: 57.2°F
The month with the highest average low temperature is July (73.9°F).
The coldest months (with the lowest average low temperature) are January and December (39.6°F).
Average pressure in May
San Manuel, AZ
- Average pressure in May: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
San Manuel, AZ
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is May (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
San Manuel, AZ
- Average humidity in May: 23%
The month with the highest relative humidity is December (50%).
The month with the lowest relative humidity is June (21%).
Average rainfall in May
San Manuel, AZ
- Average rainfall in May: 0.2"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in May
San Manuel, AZ
- Average rainfall days in May: 2.8 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is May (2.8 days).
Average snowfall in May
San Manuel, AZ
- Average snowfall in May: 0"
The months with the highest snowfall are February and November (1.1").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
San Manuel, AZ
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
San Manuel, AZ
- Average daylight in May: 13h and 48min
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 54min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
San Manuel, AZ
- Average sunshine days in May: 27.5 days
The month with the most sunshine days is May (27.5 days).
The month with the least sunshine days is July (16.1 days).
Average UV index in May
San Manuel, AZ
- Average UV index in May: 7
The months with the highest UV index are May, 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
San Manuel, AZ
- Average cloud cover in May: 8
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in May
San Manuel, AZ
- 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).





