May weather forecastRio Rico, AZ
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Rio Rico, Arizona, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 55.2°F (12.9°C).Temperature
May introduces a minor temperature shift, with average high-temperatures adjusting from April's moderately hot 74.3°F (23.5°C) to a still warm 81.3°F (27.4°C). Nightly readings in May display a noticeable downturn from daily highs, with the average low-temperature registering a fresh 55.2°F (12.9°C).Humidity
The months with the lowest humidity are May and June, with an average relative humidity of 24%.Rainfall
The month with the least rainfall is May, when the rain falls for 1.8 days and typically collects 0.16" (4mm) of precipitation.Snowfall
In Rio Rico, snow does not fall in April through November.Daylight
In Rio Rico, the average length of the day in May is 13h and 46min.On the first day of the month, sunrise is at 5:37 am and sunset at 7:03 pm. On the last day of May, sunrise is at 5:19 am and sunset at 7:23 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 of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily UV index of 6 turns into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rio Rico, AZ
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in May
Rio Rico, AZ
- Average pressure in May: 29.85"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in May
Rio Rico, AZ
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Rio Rico, AZ
- Average humidity in May: 24%
The month with the highest relative humidity is August (51%).
The months with the lowest relative humidity are May and June (24%).
Average rainfall in May
Rio Rico, AZ
- Average rainfall in May: 0.16"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.16").
Average rainfall days in May
Rio Rico, AZ
- Average rainfall days in May: 1.8 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is May (1.8 days).
Average snowfall in May
Rio Rico, AZ
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Rio Rico, AZ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Rio Rico, 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: 11h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Rio Rico, AZ
- Average sunshine days in May: 28.8 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in May
Rio Rico, AZ
- Average UV index in May: 6
The months with the highest UV index are June and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in May
Rio Rico, AZ
- Average cloud cover in May: 7
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in May
Rio Rico, 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).
