May weather forecast
Pistakee Highlands, IL

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Weather in May

May, the last month of the spring in Pistakee Highlands, is an enjoyable month, with an average temperature fluctuating between 49.3°F (9.6°C) and 66.4°F (19.1°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a cool 54.3°F (12.4°C) in April to an enjoyable 66.4°F (19.1°C). Pistakee Highlands's average low-temperature is measured at a frosty 49.3°F (9.6°C) during May.

Humidity

In Pistakee Highlands, the average relative humidity in May is 79%.

Rainfall

In May, in Pistakee Highlands, the rain falls for 17.8 days. Throughout May, 3.39" (86mm) of precipitation is accumulated. In Pistakee Highlands, during the entire year, the rain falls for 152.4 days and collects up to 28.07" (713mm) of precipitation.

Snowfall

Months with snowfall in Pistakee Highlands, Illinois, are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Pistakee Highlands aggregates 0.08" (2mm) of snow. In Pistakee Highlands, during the entire year, snow falls for 49 days and aggregates up to 16.5" (419mm) of snow.

Daylight

The average length of the day in May in Pistakee Highlands, Illinois, is 14h and 37min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:22 pm CDT.

Sunshine

In Pistakee Highlands, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May in Pistakee Highlands, Illinois, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Pistakee Highlands?

The high-temperature in Pistakee Highlands, Illinois, during May is 66.4°F (19.1°C) and the low-temperature is 49.3°F (9.6°C).

What is the average humidity in May in Pistakee Highlands?

The average relative humidity in May in Pistakee Highlands, Illinois, is 79%.

How much does it rain in Pistakee Highlands in May?

In Pistakee Highlands, during May, the rain falls for 17.8 days and regularly aggregates up to 3.39" (86mm) of precipitation.

What is the last month it snows in Pistakee Highlands?

May is the last month it regularly snows in Pistakee Highlands. During 0.1 snowfall days, in May, Pistakee Highlands aggregates 0.08" (2mm) of snow.

How many hours of daylight does Pistakee Highlands have in May?

The average day length in May in Pistakee Highlands, Illinois, is 14h and 37min.

When is the sunrise / sunset in May in Pistakee Highlands?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:53 pm. On the last day of the month, in Pistakee Highlands, sunrise is at 5:18 am and sunset at 8:22 pm CDT.

How many hours of sunshine does Pistakee Highlands have in May?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May in Pistakee Highlands?

In May, the average daily maximum UV index in Pistakee Highlands is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Pistakee Highlands, IL

Average temperature in May - Pistakee Highlands, IL
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 49.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in May
Pistakee Highlands, IL

Average pressure in May - Pistakee Highlands, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Pistakee Highlands, IL

Average wind speed in May - Pistakee Highlands, IL
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Pistakee Highlands, IL

Average humidity in May - Pistakee Highlands, IL
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

Average rainfall in May
Pistakee Highlands, IL

Average rainfall in May - Pistakee Highlands, IL
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").

Average rainfall days in May
Pistakee Highlands, IL

Average rainfall days in May - Pistakee Highlands, IL
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in May
Pistakee Highlands, IL

Average snowfall in May - Pistakee Highlands, IL
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Pistakee Highlands, IL

Average snowfall days in May - Pistakee Highlands, IL
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Pistakee Highlands, IL

Average daylight in May / Average sunshine in May - Pistakee Highlands, IL
  • Average daylight in May: 14h and 4min

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: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Pistakee Highlands, IL

Average sunshine days in May - Pistakee Highlands, IL
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in May
Pistakee Highlands, IL

Average UV index in May - Pistakee Highlands, IL
  • Average UV index in May: 5

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Pistakee Highlands, IL

Average cloud cover in May - Pistakee Highlands, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in May
Pistakee Highlands, IL

Average visibility in May - Pistakee Highlands, IL
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Pistakee Highlands, Illinois, USA

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