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
May brings a rise in the average high-temperature, transitioning from April's enjoyable 60.8°F (16°C) to an agreeable 72.1°F (22.3°C). During the nights in May, Penfield experiences a consistent average temperature of 55.6°F (13.1°C).Humidity
In May, the average relative humidity is 76%.Rainfall
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In Penfield, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 26min.On the first day of the month, sunrise is at 5:50 am and sunset at 7:47 pm. On the last day of May, in Penfield, sunrise is at 5:24 am and sunset at 8:15 pm CDT.
Sunshine
In Penfield, Illinois, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May in Penfield is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Penfield in May?
What is the average humidity in May in Penfield?
What is the rainiest month in Penfield?
How much does it rain in Penfield in May?
When it does not snow in Penfield?
Does it snow in Penfield in May?
What is the average length of the day in May in Penfield?
When are sunrise and sunset in May in Penfield?
How many hours of sunshine does Penfield have in May?
What is the UV index reading in May in Penfield?
Average temperature in May
Penfield, IL
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 55.6°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Penfield, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Penfield, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Penfield, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Penfield, IL
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
Penfield, IL
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in May
Penfield, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Penfield, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Penfield, IL
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Penfield, IL
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in May
Penfield, IL
- 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
Penfield, IL
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Penfield, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Penfield, Illinois, USA
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