May weather forecastReliance, WY
May
Weather in May
The last month of the spring, May, is a moderate month in Reliance, Wyoming, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 60.3°F (15.7°C).Temperature
In Reliance, the average high-temperature in May rises, from a chilly 48.7°F (9.3°C) in April, to a refreshing 60.3°F (15.7°C). In the month of May, an average of 41.4°F (5.2°C) marks the low-temperature.Humidity
In May, the average relative humidity is 47%.Rainfall
May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 1.5" (38mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In May, it is snowing for 1.8 days. Throughout May, 0.87" (22mm) of snow is accumulated. In Reliance, during the entire year, snow falls for 75.5 days and aggregates up to 30.16" (766mm) of snow.Daylight
In May, the average length of the day is 14h and 34min.On the first day of May, sunrise is at 6:12 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:44 pm MDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Reliance, WY
- Average high temperature in May: 60.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in May: 41.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Reliance, WY
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Reliance, WY
- Average wind speed in May: 11.1mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in May
Reliance, WY
- Average humidity in May: 47%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in May
Reliance, WY
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in May
Reliance, WY
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).
Average snowfall in May
Reliance, WY
- Average snowfall in May: 0.87"
The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Reliance, WY
- Average snowfall days in May: 1.8 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Reliance, WY
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in May
Reliance, WY
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in May
Reliance, WY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
Reliance, WY
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Reliance, WY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





