Climate and monthly weather forecast
Hennepin, IL

Share

Weather in January

January, the same as December, in Hennepin, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 16.9°F (-8.4°C) and an average high of 28.9°F (-1.7°C). In Hennepin, the month of January is known for its lowest average temperatures, reaching a high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C). Weather in January »

Weather in February

The last month of the winter, February, is an icy month in Hennepin, Illinois, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 33.4°F (0.8°C). February's weather records an average high-temperature of a wintry 33.4°F (0.8°C), showing little deviation from January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Hennepin, Illinois, with an average temperature varying between 47.1°F (8.4°C) and 32.5°F (0.3°C). The shift from February to March brings an increase in the average high-temperature, moving from a cold 33.4°F (0.8°C) to a frosty 47.1°F (8.4°C). Weather in March »

Weather in April

April is a mild spring month in Hennepin, Illinois, with an average temperature varying between 42.4°F (5.8°C) and 59°F (15°C). Hennepin's April weather brings a rise in high-temperatures, moving from a chilly 47.1°F (8.4°C) in March to a refreshing 59°F (15°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Hennepin, Illinois, with an average temperature ranging between max 71.1°F (21.7°C) and min 53.6°F (12°C). A shift in the average high-temperature is noticeable in May, changing from a moderate 59°F (15°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Hennepin, Illinois, with an average temperature varying between 61.7°F (16.5°C) and 78.6°F (25.9°C). Hennepin in June observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 71.1°F (21.7°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »

Weather in July

July, like June, in Hennepin, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 80.8°F (27.1°C) and an average low of 64.2°F (17.9°C). July stands out as Hennepin's warmest month, with temperatures ranging between an average high of 80.8°F (27.1°C) and a low of 64.2°F (17.9°C). July's average heat index is evaluated at a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hennepin, Illinois, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 61.9°F (16.6°C). August's onset brings an average high-temperature of a still warm 79.7°F (26.5°C), showing a minute difference from July's 80.8°F (27.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Hennepin, Illinois, with an average temperature ranging between min 56.1°F (13.4°C) and max 74.7°F (23.7°C). With the onset of September, a modest change to a still warm 74.7°F (23.7°C) from August's 79.7°F (26.5°C) is noted in high-temperature. Weather in September »

Weather in October

October, like September, in Hennepin, Illinois, is another comfortable autumn month, with an average temperature varying between 45.7°F (7.6°C) and 61.7°F (16.5°C). Hennepin's progression into October involves a drop in the average high-temperature, receding from a warm 74.7°F (23.7°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Hennepin, is also a frosty month, with an average temperature ranging between max 46.8°F (8.2°C) and min 33.6°F (0.9°C). A notable decrease in the average high-temperature is observed during November, falling from an enjoyable 61.7°F (16.5°C) in October to a frosty 46.8°F (8.2°C). Weather in November »

Weather in December

December, the first month of the winter in Hennepin, is still a cold month, with an average temperature fluctuating between 34.7°F (1.5°C) and 24.4°F (-4.2°C). Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 46.8°F (8.2°C) in November to a wintry 34.7°F (1.5°C). Weather in December »
[Resources]

Frequently asked questions

What is the coldest time of year in Hennepin?

January is the month when Hennepin experiences its coldest temperatures, averaging a high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C).

What is the driest month in Hennepin?

The months with the least rainfall in Hennepin are January and December Rain falls for 5.9 days and accumulates 1.61" (41mm) of rain.

How much does it rain in Hennepin?

In Hennepin, during the entire year, the rain falls for 152.7 days and collects up to 30.79" (782mm) of precipitation.

When does it snow in Hennepin?

January through April, October through December are months with snowfall in Hennepin.

What is the snowiest month in Hennepin?

January is the month with the most snowfall. Snow falls for 11.9 days and accumulates 4.09" (104mm) of snow.

How many days does it snow in Hennepin?

In Hennepin, Illinois, during the entire year, snow falls for 39.5 days and aggregates up to 15.31" (389mm) of snow.

What is the month with the least sunshine in Hennepin?

With an average of 3.9h of sunshine, January has the least sunshine of the year.

When is the lowest UV index in Hennepin?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hennepin.

When is Daylight Saving Time (DST) in Hennepin?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month in Hennepin?

May is the month with the most rainfall in Hennepin, Illinois. Rain falls for 18.9 days and accumulates 4.69" (119mm) of precipitation.

When it does not snow in Hennepin?

In Hennepin, snow does not fall in May through September.

When are the longest days in Hennepin?

June has the longest days of the year in Hennepin, Illinois, with an average of 15h and 6min of daylight.

What are the months with the most sunshine in Hennepin?

June through August, with an average of 9.8h of sunshine, are months with the most sunshine in Hennepin.

What are the months with the highest UV index in Hennepin?

The months with the highest UV index in Hennepin, Illinois, are June through August, with an average maximum UV index of 6.

What is the hottest time of year in Hennepin?

July is the warmest month of the year, registering average temperatures as high as 80.8°F (27.1°C) and as low as 64.2°F (17.9°C).

What is the most humid month in Hennepin?

With an average relative humidity of 85%, July is the most humid month in Hennepin, Illinois.

What is the least humid month in Hennepin?

The least humid month is October, with an average relative humidity of 72%.

What is the month with the shortest days in Hennepin?

December has the shortest days of the year in Hennepin, with an average of 9h and 18min of daylight.

Average temperature
Hennepin, IL

Average temperature - Hennepin, IL

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

[Resources]

Average pressure
Hennepin, IL

Average pressure - Hennepin, IL

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed
Hennepin, IL

Average wind speed - Hennepin, IL

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

[Resources]

Average rainfall
Hennepin, IL

Average rainfall - Hennepin, IL

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

[Resources]

Average rainfall days
Hennepin, IL

Average rainfall days - Hennepin, IL

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

[Resources]

Average snowfall
Hennepin, IL

Average snowfall - Hennepin, IL

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days
Hennepin, IL

Average snowfall days - Hennepin, IL

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

[Resources]

Average daylight / Average sunshine
Hennepin, IL

Average daylight / Average sunshine - Hennepin, IL

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 18min).

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days
Hennepin, IL

Average sunshine days - Hennepin, IL

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

[Resources]

Average UV index
Hennepin, IL

Average UV index - Hennepin, IL

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

[Resources]

Average visibility
Hennepin, IL

Average visibility - Hennepin, IL

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).

[Resources]

Hennepin, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location