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
Jackson's weather shows a temperature rise with the arrival of May, moving from a cold 37.8°F (3.2°C) in April to a fresh 50.5°F (10.3°C). Jackson, in May, displays a significant temperature downturn during the night, with an average reading of 28.8°F (-1.8°C).Humidity
In Jackson, the average relative humidity in May is 75%.Rainfall
In Jackson, during May, the rain falls for 15.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 103 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
Months with snowfall in Jackson are January through December. In May, it is snowing for 15.7 days. Throughout May, 11.42" (290mm) of snow is accumulated. Throughout the year, there are 173.6 snowfall days, and 181.26" (4604mm) of snow is accumulated.Daylight
The average length of the day in May in Jackson is 14h and 43min.On the first day of May, sunrise is at 6:14 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:56 pm MDT.
Sunshine
The average sunshine in May is 9.5h.UV index
In May, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in May translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
How much does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Jackson have in May?
How high is the UV index in May?
Average temperature in May
Jackson, WY
- Average high temperature in May: 50.5°F
The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (21.9°F).
- Average low temperature in May: 28.8°F
The month with the highest average low temperature is July (43.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in May
Jackson, WY
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Jackson, WY
- Average wind speed in May: 4.9mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).
Average humidity in May
Jackson, WY
- Average humidity in May: 75%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in May
Jackson, WY
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (1.34").
Average rainfall days in May
Jackson, WY
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in May
Jackson, WY
- Average snowfall in May: 11.42"
The month with the highest snowfall is February (29.33").
The month with the least snowfall is August (0.12").
Average snowfall days in May
Jackson, WY
- Average snowfall days in May: 15.7 days
The month with the highest number of snowfall days is March (24.8 days).
The month with the least snowfall days is July (0.4 days).
Average daylight in May /
Average sunshine in May
Jackson, WY
- Average daylight in May: 14h and 4min
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: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in May
Jackson, WY
- Average sunshine days in May: 5.9 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (3.8 days).
Average UV index in May
Jackson, WY
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in May
Jackson, WY
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in May
Jackson, WY
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
Jackson, Wyoming, USA
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