May weather forecastPhoenix, MD
May
Weather in May
May, the last month of the spring in Phoenix, is a pleasant month, with an average temperature fluctuating between 55°F (12.8°C) and 71.6°F (22°C).Temperature
May's arrival brings a temperature shift, moving from an enjoyable 62.6°F (17°C) in April to a pleasant 71.6°F (22°C). The average nighttime temperature lowers to a fresh 55°F (12.8°C) throughout May.Humidity
The most humid month in Phoenix is May, with an average relative humidity of 79%.Rainfall
In May, the rain falls for 11.1 days. Throughout May, 0.79" (20mm) of precipitation is accumulated. In Phoenix, during the entire year, the rain falls for 101.9 days and collects up to 9.17" (233mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:27 pm EDT.
Sunshine
In Phoenix, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during May translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Phoenix, MD
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in May
Phoenix, MD
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Phoenix, MD
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
Phoenix, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Phoenix, MD
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
Phoenix, MD
- Average rainfall days in May: 11.1 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in May
Phoenix, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Phoenix, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Phoenix, MD
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Phoenix, MD
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in May
Phoenix, MD
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Phoenix, MD
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Phoenix, MD
- 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).
