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 snowfall in May
- Average snowfall 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
The arrival of May signals a slight increase in the average high-temperature, moving from a pleasant 73.2°F (22.9°C) in April to a moderately hot 80.1°F (26.7°C). Sierra Vista witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 54.1°F (12.3°C) throughout May.Humidity
May and June, with an average relative humidity of 23%, are the least humid months.Rainfall
May is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.12" (3mm) of precipitation.Snowfall
April through November are months without snowfall in Sierra Vista, Arizona.Daylight
The average length of the day in May is 13h and 47min.On the first day of the month, sunrise is at 5:34 am and sunset at 7:01 pm. On the last day of May, sunrise is at 5:16 am and sunset at 7:21 pm MST.
Sunshine
The average sunshine in May is 11.9h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 6 in May transforms into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sierra Vista in May?
What is the least humid month?
What is the average humidity in May?
What is the driest month?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Sierra Vista have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Sierra Vista?
Average temperature in May
Sierra Vista, AZ
- Average high temperature in May: 80.1°F
The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).
Average pressure in May
Sierra Vista, AZ
- Average pressure in May: 29.87"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Sierra Vista, AZ
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Sierra Vista, AZ
- Average humidity in May: 23%
The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).
Average rainfall in May
Sierra Vista, AZ
- Average rainfall in May: 0.12"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in May
Sierra Vista, AZ
- Average rainfall days in May: 2.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).
Average snowfall in May
Sierra Vista, AZ
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Sierra Vista, AZ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Sierra Vista, AZ
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 11h and 5min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Sierra Vista, AZ
- Average sunshine days in May: 28.1 days
The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in May
Sierra Vista, AZ
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Sierra Vista, AZ
- Average cloud cover in May: 8
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in May
Sierra Vista, 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).
Sierra Vista, Arizona, USA
Weather forecast for your location
2. Allow the app to use your location