May weather forecastKirby, WY
May
Weather in May
The last month of the spring, May, is a comfortable month in Kirby, Wyoming, with an average temperature varying between 43.3°F (6.3°C) and 63.5°F (17.5°C).Temperature
The average high-temperature increases in May, moving from a fresh 52.9°F (11.6°C) in April to a refreshing 63.5°F (17.5°C). Kirby, during the month of May, experiences an average low-temperature of 43.3°F (6.3°C).Humidity
In Kirby, Wyoming, the average relative humidity in May is 51%.Rainfall
May is the month with the most rainfall. Rain falls for 17 days and accumulates 1.93" (49mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Kirby. May is the last month it regularly snows. During 0.7 snowfall days, in May, Kirby aggregates 0.31" (8mm) of snow. In Kirby, during the entire year, snow falls for 51.2 days and aggregates up to 21.3" (541mm) of snow.Daylight
In May, the average length of the day is 14h and 46min.On the first day of May in Kirby, sunrise is at 6:03 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:47 pm MDT.
Sunshine
The average sunshine in May in Kirby is 10.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In May, an average UV index of 5 transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kirby, WY
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Kirby, WY
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Kirby, WY
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in May
Kirby, WY
- Average humidity in May: 51%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in May
Kirby, WY
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Kirby, WY
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).
Average snowfall in May
Kirby, WY
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Kirby, WY
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Kirby, WY
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in May
Kirby, WY
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
Kirby, 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, November and December (UV index 2).
Average cloud cover in May
Kirby, WY
- Average cloud cover in May: 28
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in May
Kirby, WY
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
