February weather forecast
Prospect Heights, IL

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Weather in February

The last month of the winter, February, is another freezing cold month in Prospect Heights, Illinois, with an average temperature fluctuating between 31.6°F (-0.2°C) and 20.5°F (-6.4°C).

Temperature

February commences with an average high-temperature of a still subzero cold 31.6°F (-0.2°C), showing little deviation from January's 28.2°F (-2.1°C). Throughout February, the temperature tends to fall to a consistent average low of 20.5°F (-6.4°C).

Humidity

January and February, with an average relative humidity of 82%, are the most humid months.

Rainfall

In February, the rain falls for 5.6 days. Throughout February, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 153.3 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In February, it is snowing for 10.2 days. Throughout February, 4.41" (112mm) of snow is accumulated. In Prospect Heights, during the entire year, snow falls for 43.6 days and aggregates up to 17.95" (456mm) of snow.

Daylight

In February, the average length of the day is 10h and 37min.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:05 pm. On the last day of February, sunrise is at 6:27 am and sunset at 5:41 pm CST.

Sunshine

The average sunshine in February is 3.9h.

UV index

In February, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in February transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is February?

In February, the average high-temperature and low-temperature are 31.6°F (-0.2°C) and 20.5°F (-6.4°C) respectively.

What is the most humid month?

January and February, with an average relative humidity of 82%, are most humid months.

What is the average humidity in February?

In February, the average relative humidity is 82%.

How much does it rain in February?

In Prospect Heights, in February, during 5.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How much does it snow in February?

In February, it is snowing for 10.2 days. Throughout February, 4.41" (112mm) of snow is accumulated.

What is the average length of the day in February in Prospect Heights?

The average day length in February is 10h and 37min.

When are sunrise and sunset in February?

In February, on the first day of the month, sunrise is at 7:04 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:41 pm CST.

How many hours of sunshine does Prospect Heights have in February?

In Prospect Heights, the average sunshine duration in February is 3.9h.

What is the UV index reading in February in Prospect Heights?

In Prospect Heights, Illinois, the average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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 February
Prospect Heights, IL

Average temperature in February - Prospect Heights, IL
  • Average high temperature in February: 31.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in February: 20.5°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in February
Prospect Heights, IL

Average pressure in February - Prospect Heights, IL
  • Average pressure in February: 30.1"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 February
Prospect Heights, IL

Average wind speed in February - Prospect Heights, IL
  • Average wind speed in February: 10.2mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in February
Prospect Heights, IL

Average humidity in February - Prospect Heights, IL
  • Average humidity in February: 82%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in February
Prospect Heights, IL

Average rainfall in February - Prospect Heights, IL
  • Average rainfall in February: 1.61"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").

Average rainfall days in February
Prospect Heights, IL

Average rainfall days in February - Prospect Heights, IL
  • Average rainfall days in February: 5.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in February
Prospect Heights, IL

Average snowfall in February - Prospect Heights, IL
  • Average snowfall in February: 4.41"

The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in February
Prospect Heights, IL

Average snowfall days in February - Prospect Heights, IL
  • Average snowfall days in February: 10.2 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in February /
Average sunshine in February
Prospect Heights, IL

Average daylight in February / Average sunshine in February - Prospect Heights, IL
  • Average daylight in February: 10h 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 12min).

  • Average sunshine in February: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in February
Prospect Heights, IL

Average sunshine days in February - Prospect Heights, IL
  • Average sunshine days in February: 12.3 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in February
Prospect Heights, IL

Average UV index in February - Prospect Heights, IL
  • Average UV index in February: 2

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

Average cloud cover in February
Prospect Heights, IL

Average cloud cover in February - Prospect Heights, IL
  • Average cloud cover in February: 59

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in February
Prospect Heights, IL

Average visibility in February - Prospect Heights, IL
  • Average visibility in February: 6mi

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

Prospect Heights, Illinois, USA

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