Climate and monthly weather forecast
Hillview, IL

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Weather in January

January, the same as December, is an icy winter month in Hillview, Illinois, with an average temperature fluctuating between 34.3°F (1.3°C) and 21.9°F (-5.6°C). With its high average temperature of 34.3°F (1.3°C) and a low of 21.9°F (-5.6°C), January is regarded as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Hillview, Illinois, with an average temperature varying between 25.3°F (-3.7°C) and 39.4°F (4.1°C). With the onset of February, the average high-temperature stands at a still wintry 39.4°F (4.1°C), closely aligned with January's 34.3°F (1.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Hillview, Illinois, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 52.2°F (11.2°C). The beginning of March marks a shift in the average high-temperature, moving from February's cold 39.4°F (4.1°C) to a cool 52.2°F (11.2°C). Weather in March »

Weather in April

April in Hillview, Illinois, is a comfortable spring month, with an average temperature varying between 46.2°F (7.9°C) and 63.7°F (17.6°C). April's arrival sees a rise in the average high-temperature, jumping from March's fresh 52.2°F (11.2°C) to a refreshing 63.7°F (17.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Hillview, Illinois, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 56.1°F (13.4°C). The onset of May brings a rise in the average high-temperature, elevating from an enjoyable 63.7°F (17.6°C) in April to a pleasant 73.2°F (22.9°C). Weather in May »

Weather in June

June, the first month of the summer in Hillview, is a moderately hot month, with an average temperature fluctuating between 64.6°F (18.1°C) and 82°F (27.8°C). As Hillview transitions into June, a marginal rise in the average high-temperature is observed, moving from a pleasant 73.2°F (22.9°C) in May to a moderately hot 82°F (27.8°C). Weather in June »

Weather in July

July, like June, in Hillview, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 67.1°F (19.5°C) and 84.2°F (29°C). Hillview notes the warmest temperatures in July, with a high average of 84.2°F (29°C) and a low of 67.1°F (19.5°C). In July, the heat index is evaluated at a sweltering 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Hillview, is another warm month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 65.5°F (18.6°C). At the start of August, Hillview's average high-temperature reaches a still moderately hot 83.5°F (28.6°C), subtly different from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Hillview, Illinois, with an average temperature ranging between max 78.1°F (25.6°C) and min 59.2°F (15.1°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 83.5°F (28.6°C) to a still warm 78.1°F (25.6°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Hillview, Illinois, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 47.8°F (8.8°C). In October, the average high-temperature decreases from a moderately hot 78.1°F (25.6°C) in September to a refreshing 64.4°F (18°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Hillview, Illinois, with an average temperature fluctuating between 51.6°F (10.9°C) and 36.5°F (2.5°C). November involves a decrease in temperature, down from a comfortable 64.4°F (18°C) in October to a fresh 51.6°F (10.9°C). Weather in November »

Weather in December

December, the first month of the winter in Hillview, is also a wintry month, with an average temperature varying between 40.1°F (4.5°C) and 28.4°F (-2°C). With December's onset, the weather shows a temperature decrease, transitioning from a cool 51.6°F (10.9°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
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Frequently asked questions

What is the coldest month in Hillview?

January, characterized by an average high temperature of 34.3°F (1.3°C) and a low temperature of 21.9°F (-5.6°C), is generally the coldest month in Hillview.

What is the driest month in Hillview?

The months with the least rainfall in Hillview, Illinois, are January and November Rain falls for 5.5 days and accumulates 0.83" (21mm) of rain.

How many days does it rain in Hillview?

In Hillview, Illinois, during the entire year, the rain falls for 127.3 days and collects up to 17.24" (438mm) of precipitation.

When does it snow in Hillview?

January through April, November and December are months with snowfall in Hillview, Illinois.

How much does it snow in Hillview?

Throughout the year, in Hillview, Illinois, there are 22.5 snowfall days, and 5.08" (129mm) of snow is accumulated.

What is the month with the least sunshine in Hillview?

January has the least sunshine of the year in Hillview, Illinois, with an average of 4.4h of sunshine.

When is the lowest UV index in Hillview?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month in Hillview?

February is the month with the most snowfall. Snow falls for 6.4 days and accumulates 1.69" (43mm) of snow.

When is Daylight Saving Time (DST) in Hillview?

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.

When it does not snow in Hillview?

May through October are months without snowfall in Hillview.

What is the wettest month in Hillview?

June is the month with the most rainfall in Hillview, Illinois. Rain falls for 13.6 days and accumulates 2.44" (62mm) of precipitation.

When are the longest days in Hillview?

With an average of 14h and 54min of daylight, June has the longest days of the year in Hillview, Illinois.

What month has the most sunshine in Hillview?

With an average of 10.2h of sunshine, June has the most sunshine of the year in Hillview, Illinois.

When is the highest UV index in Hillview?

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

What is the warmest month in Hillview?

The temperatures reach their highest averages in July, with highs of 84.2°F (29°C) and lows of 67.1°F (19.5°C).

What is the most humid month in Hillview?

July is the most humid month in Hillview, with an average relative humidity of 81%.

What is the least humid month in Hillview?

The least humid month is October, with an average relative humidity of 71%.

What is the month with the shortest days in Hillview?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Hillview, IL

Average temperature - Hillview, IL

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure
Hillview, IL

Average pressure - Hillview, IL

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Hillview, IL

Average wind speed - Hillview, IL

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average rainfall
Hillview, IL

Average rainfall - Hillview, IL

The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").

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Average rainfall days
Hillview, IL

Average rainfall days - Hillview, IL

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall
Hillview, IL

Average snowfall - Hillview, IL

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Hillview, IL

Average snowfall days - Hillview, IL

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Hillview, IL

Average daylight / Average sunshine - Hillview, IL

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days
Hillview, IL

Average sunshine days - Hillview, IL

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index
Hillview, IL

Average UV index - Hillview, 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, February, November and December (UV index 2).

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Average visibility
Hillview, IL

Average visibility - Hillview, IL

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).

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Hillview, Illinois, USA

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