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
With the onset of May, Douglas's average high-temperature sees a modest rise, moving from April's 76.5°F (24.7°C) to a still warm 83.7°F (28.7°C). May nights bring a significant cooling from the heat of the day, with averages of 55.6°F (13.1°C).Humidity
The least humid month is May, with an average relative humidity of 22%.Rainfall
The months with the least rainfall are April and May Rain falls for 1.8 days and accumulates 0.08" (2mm) of rain.Snowfall
In Douglas, snow does not fall in March through November.Daylight
In May, the average length of the day is 13h and 46min.On the first day of the month, sunrise is at 5:32 am and sunset at 6:58 pm. On the last day of May, sunrise is at 5:14 am and sunset at 7:17 pm MST.
Sunshine
In Douglas, the average sunshine in May is 12h.UV index
In Douglas, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during May translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is 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?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Douglas have in May?
What is the UV index intensity in May?
Average temperature in May
Douglas, AZ
- Average high temperature in May: 83.7°F
The warmest month (with the highest average high temperature) is June (93.2°F).
The month with the lowest average high temperature is December (57.9°F).
- Average low temperature in May: 55.6°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in May
Douglas, AZ
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Douglas, AZ
- Average wind speed in May: 9.5mph
The windiest month (with the highest average wind speed) is May (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Douglas, AZ
- Average humidity in May: 22%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).
Average rainfall in May
Douglas, AZ
- Average rainfall in May: 0.08"
The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are April and May (0.08").
Average rainfall days in May
Douglas, AZ
- Average rainfall days in May: 1.8 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is May (1.8 days).
Average snowfall in May
Douglas, AZ
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Douglas, AZ
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Douglas, 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: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in May
Douglas, AZ
- Average sunshine days in May: 28.9 days
The month with the most sunshine days is May (28.9 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in May
Douglas, AZ
- Average UV index in May: 6
The months with the highest UV index are June, July 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
Douglas, AZ
- Average cloud cover in May: 6
The month with the most cloud cover is July (Cloud cover 21).
The month with the least cloud cover is May (Cloud cover 6).
Average visibility in May
Douglas, 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).
Douglas, Arizona, USA
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