May weather forecastBasin, WY
May
Weather in May
May in Basin, Wyoming, presents warmer, more pleasant weather conditions. The transition from spring to summer begins, leading to noticeable elevations in temperature. Rainfall continues to outweigh snowfall, yielding a richer and greener landscape across the region. Daylight hours peak, encouraging residents to engage in more outdoor activities. The month's significant climatological change is in higher temperatures, moving sharply to 64.6°F (18.1°C) from April's 54.1°F (12.3°C).Temperature
May's arrival in Basin coincides with a rise in the average high-temperature, moving from April's cool 54.1°F (12.3°C) to an enjoyable 64.6°F (18.1°C). Throughout May, an average low-temperature of 47.1°F (8.4°C) is experienced in Basin, Wyoming.Humidity
The average relative humidity in May in Basin is 44%.Rainfall
The month with the most rainfall is May, when the rain falls for 12.6 days and typically aggregates up to 0.87" (22mm) of precipitation.Snowfall
Months with snowfall in Basin are January through May, October through December. May is the last month it regularly snows in Basin. During 0.4 snowfall days, in May, Basin aggregates 0.28" (7mm) of snow. In Basin, during the entire year, snow falls for 41.4 days and aggregates up to 9.41" (239mm) of snow.Daylight
In May, the average length of the day in Basin, Wyoming, is 14h and 49min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:16 pm. On the last day of May, in Basin, sunrise is at 5:30 am and sunset at 8:49 pm MDT.
Sunshine
The average sunshine in May in Basin is 11.4h.UV index
In May, the average daily maximum UV index in Basin is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Basin, WY
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in May
Basin, WY
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Basin, WY
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest months (with the lowest average wind speed) are January and August (6mph).
Average humidity in May
Basin, WY
- Average humidity in May: 44%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in May
Basin, WY
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is May (0.87").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in May
Basin, WY
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is May (12.6 days).
The month with the least rainy days is December (6.5 days).
Average snowfall in May
Basin, WY
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Basin, WY
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Basin, WY
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 11h and 24min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in May
Basin, WY
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is December (20.9 days).
The months with the least sunshine days are April and June (12.5 days).
Average UV index in May
Basin, WY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Basin, WY
- Average cloud cover in May: 22
The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Basin, WY
- 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).
