May weather forecastSanta Rosa, AZ
May
Weather in May
May, the last month of the spring in Santa Rosa, is a tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 61.9°F (16.6°C).Temperature
The arrival of May witnesses a small shift in the average high-temperature, moving from a moderately hot 79.5°F (26.4°C) in April to a tropical 86.5°F (30.3°C). Despite the stark contrast with daytime temperatures, Santa Rosa's May nights average at a comfortable 61.9°F (16.6°C).Humidity
In May, the average relative humidity is 22%.Rainfall
The month with the least rainfall in Santa Rosa is May, when the rain falls for 1 days and typically collects 0.04" (1mm) of precipitation.Daylight
The average length of the day in May is 13h and 50min.On the first day of May, sunrise is at 5:40 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 7:29 pm MST.
Sunshine
In May, the average sunshine is 12h.UV index
In Santa Rosa, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 7 during May leads to these advisories:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Santa Rosa, AZ
- Average high temperature in May: 86.5°F
The warmest month (with the highest average high temperature) is June (97.3°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in May: 61.9°F
The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in May
Santa Rosa, AZ
- Average pressure in May: 29.82"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in May
Santa Rosa, AZ
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in May
Santa Rosa, AZ
- Average humidity in May: 22%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (20%).
Average rainfall in May
Santa Rosa, AZ
- Average rainfall in May: 0.04"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in May
Santa Rosa, AZ
- Average rainfall days in May: 1 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is May (1 days).
Average daylight in May /
Average sunshine in May
Santa Rosa, AZ
- Average daylight in May: 13h and 48min
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: 12h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Santa Rosa, AZ
- Average sunshine days in May: 29.8 days
The month with the most sunshine days is May (29.8 days).
The month with the least sunshine days is August (17.2 days).
Average UV index in May
Santa Rosa, AZ
- Average UV index in May: 7
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Santa Rosa, AZ
- Average cloud cover in May: 7
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in May
Santa Rosa, 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).
