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
Joliett in May sees a temperature change, with average high-temperatures moving from a refreshing 58.1°F (14.5°C) in April to an agreeable 68.5°F (20.3°C). In May, the average low-temperature in Joliett records at a fresh 50.2°F (10.1°C) during the nights.Humidity
The average relative humidity in May in Joliett is 81%.Rainfall
In Joliett, in May, during 15.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Joliett, during the entire year, the rain falls for 133.5 days and collects up to 15.16" (385mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Joliett. During 0.2 snowfall days, in May, Joliett aggregates 0.04" (1mm) of snow. In Joliett, Pennsylvania, during the entire year, snow falls for 23.2 days and aggregates up to 5.67" (144mm) of snow.Daylight
The average length of the day in May in Joliett is 14h and 28min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:02 pm. On the last day of May, in Joliett, sunrise is at 5:37 am and sunset at 8:30 pm EDT.
Sunshine
The average sunshine in May in Joliett is 8h.UV index
In May, the average daily maximum UV index in Joliett is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Joliett in May?
What is the average humidity in May in Joliett?
How much does it rain in Joliett in May?
What is the last month it snows in Joliett?
What is the average length of the day in May in Joliett?
When is the sunrise / sunset in May in Joliett?
How long on average sun shines in May in Joliett?
What is the UV index reading in May in Joliett?
Average temperature in May
Joliett, PA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 50.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Joliett, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Joliett, PA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Joliett, PA
- Average humidity in May: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in May
Joliett, PA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in May
Joliett, PA
- 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 (6.8 days).
Average snowfall in May
Joliett, PA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Joliett, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Joliett, PA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in May
Joliett, PA
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in May
Joliett, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (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
Joliett, PA
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Joliett, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
Joliett, Pennsylvania, USA
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