May weather forecastJay Em, WY
May
Weather in May
The last month of the spring, May, is an enjoyable month in Jay Em, Wyoming, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 64.2°F (17.9°C).Temperature
In May, the meteorological conditions change with the average high-temperature moving from a cool 54.5°F (12.5°C) in April to a refreshing 64.2°F (17.9°C). Jay Em records a steady low-temperature average of 44.6°F (7°C) during May.Humidity
In May, the average relative humidity in Jay Em is 60%.Rainfall
The wettest months in Jay Em are May and June, with an average 1.57" (40mm) of rainfall.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.8 snowfall days, in May, Jay Em aggregates 2.2" (56mm) of snow. Throughout the year, there are 43.6 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
In Jay Em, the average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:27 pm MDT.
Sunshine
In May, the average sunshine is 10.3h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jay Em, WY
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in May
Jay Em, WY
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Jay Em, WY
- Average wind speed in May: 11.1mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in May
Jay Em, WY
- Average humidity in May: 60%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in May
Jay Em, WY
- Average rainfall in May: 1.57"
The wettest months (with the highest rainfall) are May and June (1.57").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in May
Jay Em, WY
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in May
Jay Em, WY
- Average snowfall in May: 2.2"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Jay Em, WY
- Average snowfall days in May: 1.8 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Jay Em, 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 6min).
- Average sunshine in May: 10h and 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in May
Jay Em, WY
- Average sunshine days in May: 14 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
Jay Em, 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, November and December (UV index 2).
Average cloud cover in May
Jay Em, WY
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Jay Em, 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).
