Climate and monthly weather forecast
Glenview, IL

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The scenic lake near a famous college and a grade school with an intricate path and road system near Glenview, Illinois
The scenic lake near a famous college and a grade school with an intricate path and road system near Glenview, Illinois

The climate of Glenview

Nestled in the state of Illinois, Glenview experiences a Humid Continental, Hot Summer climate, categorized as Dfa according to the Köppen climate classification. This classification serves as an indication of the town's pronounced seasonal variations in temperature, combined with a consistent pattern of relatively high humidity throughout the year.

Throughout the months, temperatures swing significantly from an average low of 18.9°F (-7.3°C) in the winter to a peak high of 79.2°F (26.2°C) in the summer. Despite Glenview's inland location, humidity levels remain relatively static, ranging from a low average of 73% in October to a peak average of 82% in January. Consequently, weather conditions are often more clammy than dry, irrespective of the season.

Rainfall likewise presents an interesting pattern, with monthly averages fluctuating between 1.65" (42mm) in December and 4.57" (116mm) between May to June. Notably, the town also witnesses snowfall, averaging between 0.08" (2mm) in May and 4.84" (123mm) in January. The abundance of precipitation both in form of rain and snow largely contributes to the humidified weather conditions experienced.

The amount of sunshine Glenview enjoys per month is also dynamic. Throughout the year, average sunlight hours stretch from a low of 3.7 hours in January to a peak of 10.4 hours between July to August. In accordance to the sunlight data, the UV index corresponds with a valley of 1 in December and a peak of 6 between June to August.

The best time to visit Glenview

Visitors seeking temperate conditions with ample sunlight should aim to visit Glenview between June and August. This period promises the longest daylight hours, from 14.6 hours in May up to 15.2 hours in June. Correspondingly, sunshine hours peak at an average of 10.4 hours per day within these months.

The temperatures during this summertime period sit comfortably between 72.5°F (22.5°C) to 79.2°F (26.2°C), providing warming but not scorching heat. Humidity levels see a slight drop from the year-round high, middling around the 76% mark. Furthermore, the UV index tips to a yearly high of 6, offering excellent conditions for outdoor activities.

Furthermore, visitors who enjoy calm winds may prefer this period as wind speeds are at their minimum average of 7.1mph (11.4km/h) to 8.5mph (13.7km/h). However, those visiting should bear in mind that rainfall reaches its yearly peak in May and June, with an average of 4.57" (116mm) per month.

The worst time to visit Glenview

As temperatures peak to average lows of 18.9°F (-7.3°C) and 21.6°F (-5.8°C) respectively in January and February, these months are likely the least inviting for visitors to Glenview. The town is prone to snowfall during these months, averaging at 4.84" (123mm) in January and 4.65" (118mm) in February. Also, January experience the greatest number of snowfall days at an average of 13.1.

These cooler conditions are complemented by shorter daylight hours, resulting in less time for exploration and activities. In addition to this, the highest humidity level of 82% is experienced in January, adding an extra layer of chill to the air.

Spring weather in Glenview

Spring in Glenview, from March to May, draws a gradual increase in temperatures from 42.3°F (5.7°C) to 62.8°F (17.1°C). The average daylight hours span from 12 hours up to 14.6 hours. Correspondingly, the town enjoys increased sunshine hours, from a low average of 6.1 hours per day in March to a vibrant 8.7 hours per day by May.

Rainfall in spring also experiences an incline, starting from moderate 2.01" (51mm) in March and shoots up to be the highest in the year at 4.57" (116mm) in May. Despite the surge in temperature, the UV index remains relatively moderate, stretching from 2 in March to 5 in May.

Summer weather in Glenview

In the summertime, from June through to August, Glenview experiences its highest temperatures, spanning an average range from 72.5°F (22.5°C) to 79.2°F (26.2°C). The sunlight hours correspondingly peak from June to August with a daily average of 10.4 hours.

However, humidity levels increase concurrently, from 78% to a peak of 76% in July. Rainfall undergoes a slight decline to 3.9 - 3.7" (94mm). The sunshine and warmer weather push up the UV Index through these months, reaching a yearly peak of 6.

Autumn weather in Glenview

In Autumn, September through to November, Glenview experiences a decrease in temperature from 71.6°F (22°C) to 45.5°F (7.5°C). The daylight and sunshine hours start to decline noticeably, falling to around 11.1 hours and 5.1 hours respectively by November.

Rainfall figures also decline and transition from a high of 2.87" (73mm) in September to a low of 1.69" (43mm) in November. In contrast, humidity levels experience an incline, reaching 74% in November.

Winter weather in Glenview

Winter in Glenview, persisting from December through February, constitutes the coldest period, where temperatures fall to an average low of 18.9°F (-7.3°C). Simultaneously, daylight is much shrunken, with average hours dwindling down from 9.8 hours in December to a year low of 9.5 hours in January.

Winter precipitation takes the form of snowfall, with the highest averages of 4.84" (123mm) and 4.65" (118mm) in January and February respectively. Despite the short daylight and cold conditions, the average monthly sunshine hours remain stable from 4 to 5.1 hours. Humidity levels remain high, averaging approximately 80%.

Weather in January

As winter grips firmly in Glenview, Illinois, January comes in cold and frigid. Among the main characteristics of the month are low temperatures — peaking at 28.8°F (-1.8°C) and dropping to 18.9°F (-7.3°C) — and considerable snowfall of up to 4.84" (123mm) on 13.1 days. Weather in January »

Weather in February

February carries over the icy chill from January but with a mild respite as temperatures climb marginally. One can expect higher temperatures up to 31.8°F (-0.1°C) and a descending snowfall of 4.65" (118mm) over 11.2 days in this month. Weather in February »

Weather in March

In comparison to February, March ushers in milder weather in Glenview, Illinois. The temperatures flirt with warmer tendencies, reaching 42.3°F (5.7°C), while the snowfall diminishes to 1.22" (31mm) over just 6.7 days. March also brings a noticeable increase in daylight hours fostering the onset of spring bloom. Weather in March »

Weather in April

April heralds the advent of spring with an utterly different ambience from the snow-clad winter months. With temperatures soaring to 52°F (11.1°C) and snowfall almost disappearing, the weather shift is remarkable. The true onset of spring flowers makes the city bloom, adding a splash of color to the cityscape. Weather in April »

Weather in May

May is characterized by a true feel of spring as it boasts warmer temperatures and sporadic rain in Glenview, Illinois. With significant rain reaching 4.57" (116mm) and temperatures steadying at 62.8°F (17.1°C), May epitomizes the season of rebirth. Weather in May »

Weather in June

Glenview transitions towards summer in June, with temperatures peaking at 72.5°F (22.5°C) and no snowfall. An increase in humidity coupled with longer periods of sunlight characterizes the weather during this time. With schools out for summer vacation, various outdoor events and activities take place in this vibrant city. Weather in June »

Weather in July

July takes center stage as the warmest month in Glenview, with temperatures skyrocketing to a maximum of 79.2°F (26.2°C). July's temperature spike coincides with a decrease in rainfall to 3.9" (99mm). As a result, this month is often marked by clear skies, longer sunlight hours, and high UV index ratings. Weather in July »

Weather in August

August maintains the summer heat though not as high as that recorded in July, except for the occasional storm. The city can expect heat but with a mild decline in temperature and rainfall. Verdant landscapes, long sunny days, and summer recreational activities persist to dominate the scene this month. Weather in August »

Weather in September

September bids the soaring summer temperatures and intense humidity goodbye in Glenview, Illinois. The stage sets for fall with temperatures cooling down and rainfall declining to 2.87" (73mm). The beginning of the fall season is marked by the transformation of lush green trees into vibrant shades of red, yellow, and orange. Weather in September »

Weather in October

October channels the true fall season in Glenview, bringing crisp cool air and an array of autumnal hues. A perceptible drop in temperature and a remarkable change in foliage color underscores its transition from September. October also marks the commencement of pumpkin patches and scarecrow festivals, synonymous with the fall season. Weather in October »

Weather in November

As the city slips into November, Glenview experiences an increase in snowfall from 0.28" (7mm) to 1.3" (33mm) and a temperature drop to 45.5°F (7.5°C). November, bringing the first dusting of snow, marks the transition from fall to winter. Weather in November »

Weather in December

December witnesses a remarkable drop in weather conditions as winter truly settles in Glenview. A further decrease in temperature and a snowfall increase to 2.99" (76mm) signals the heart of winter. As daylight hours and sunshine decline considerably, it gives way to a season of frosty landscapes and heavy layers. Weather in December »
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January, known for its average high temperature of 28.8°F (-1.8°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest month.

What is the most humid month?

With an average relative humidity of 82%, January is the most humid month.

How many days does it rain?

In Glenview, during the entire year, the rain falls for 164.7 days and collects up to 35.28" (896mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 13.1 days and typically aggregates up to 4.84" (123mm) of snow.

How many days does it snow?

Throughout the year, there are 47.6 snowfall days, and 17.8" (452mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glenview, 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 wettest month?

The wettest months are May and June, with an average 4.57" (116mm) of rainfall.

When it does not snow?

In Glenview, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What are the months with the highest UV index?

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 Glenview, the peak temperatures are generally noted in July, averaging a high of 79.2°F (26.2°C) and a low of 67.1°F (19.5°C).

What are the months with the most sunshine?

The months with the most sunshine in Glenview, Illinois, are July and August, with an average of 10.4h of sunshine.

What is the least humid month?

October is the least humid month, with an average relative humidity of 73%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 9.1 days and accumulates 1.65" (42mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.
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Average temperature
Glenview, IL

Average temperature - Glenview, IL

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°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 (18.9°F).

Average pressure
Glenview, IL

Average pressure - Glenview, IL

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
Glenview, IL

Average wind speed - Glenview, IL

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity
Glenview, IL

Average humidity - Glenview, IL

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Glenview, IL

Average rainfall - Glenview, IL

The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").

Average rainfall days
Glenview, IL

Average rainfall days - Glenview, IL

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).

Average snowfall
Glenview, IL

Average snowfall - Glenview, IL

The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Glenview, IL

Average snowfall days - Glenview, IL

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Glenview, IL

Average daylight / Average sunshine - Glenview, IL

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).

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Glenview, IL

Average sunshine days - Glenview, IL

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).

Average UV index
Glenview, IL

Average UV index - Glenview, IL

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
Glenview, IL

Average cloud cover - Glenview, IL

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility
Glenview, IL

Average visibility - Glenview, 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).

Glenview, Illinois, USA

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