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 Hillsdale's average high-temperature, moving from a refreshing 58.3°F (14.6°C) in April to an agreeable 70°F (21.1°C). Throughout the month of May, the nighttime temperature in Hillsdale dips to an average of 53.1°F (11.7°C).Humidity
In May, the average relative humidity is 77%.Rainfall
The month with the most rainfall in Hillsdale, Illinois, is May, when the rain falls for 18.1 days and typically aggregates up to 4.41" (112mm) of precipitation.Snowfall
May through September are months without snowfall in Hillsdale, Illinois.Daylight
In May, the average length of the day is 14h and 33min.On the first day of May in Hillsdale, sunrise is at 5:56 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:28 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 in May translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the temperature in May in Hillsdale?
What is the average humidity in May in Hillsdale?
What is the rainiest month in Hillsdale?
How many days does it rain in May in Hillsdale?
When it does not snow in Hillsdale?
Does it snow in Hillsdale in May?
What is the average length of the day in May in Hillsdale?
When is the sunrise / sunset in May in Hillsdale?
How many hours of sunshine does Hillsdale have in May?
How high is the UV index in May in Hillsdale?
Average temperature in May
Hillsdale, IL
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Hillsdale, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Hillsdale, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Hillsdale, IL
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Hillsdale, IL
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in May
Hillsdale, IL
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Hillsdale, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Hillsdale, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.3 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
Hillsdale, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Hillsdale, IL
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Hillsdale, IL
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Hillsdale, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Hillsdale, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Hillsdale, Illinois, USA
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