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
As May begins, there is an increase in the average high-temperature, moving from a fresh 54.1°F (12.3°C) in April to an enjoyable 64.8°F (18.2°C). Saint Stephens records a steady low-temperature average of 44.1°F (6.7°C) during May.Humidity
The average relative humidity in May is 47%.Rainfall
The month with the most rainfall in Saint Stephens is May, when the rain falls for 9.9 days and typically aggregates up to 1.42" (36mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Saint Stephens. May is the last month it regularly snows. During 2.3 snowfall days, in May, Saint Stephens aggregates 3.39" (86mm) of snow. Throughout the year, in Saint Stephens, there are 42.8 snowfall days, and 25.47" (647mm) of snow is accumulated.Daylight
In Saint Stephens, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:45 pm MDT.
Sunshine
In May, the average sunshine in Saint Stephens is 11h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, the UV index of 5 transforms into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Saint Stephens?
What is the average humidity in May in Saint Stephens?
What is the rainiest month in Saint Stephens?
How much does it rain in Saint Stephens in May?
What is the last month it snows in Saint Stephens?
What is the average length of the day in May in Saint Stephens?
What time are sunrise and sunset in May in Saint Stephens?
How many hours of sunshine does Saint Stephens have in May?
What is the UV index reading in May in Saint Stephens?
Average temperature in May
Saint Stephens, WY
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in May: 44.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in May
Saint Stephens, WY
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Saint Stephens, WY
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in May
Saint Stephens, WY
- Average humidity in May: 47%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in May
Saint Stephens, WY
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in May
Saint Stephens, WY
- Average rainfall days in May: 9.9 days
The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in May
Saint Stephens, WY
- Average snowfall in May: 3.39"
The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Saint Stephens, WY
- Average snowfall days in May: 2.3 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Saint Stephens, WY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in May
Saint Stephens, WY
- Average sunshine days in May: 17 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).
Average UV index in May
Saint Stephens, WY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Saint Stephens, WY
- Average cloud cover in May: 25
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Saint Stephens, 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).
Saint Stephens, Wyoming, USA
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