Climate and monthly weather forecast
Tinley Park, IL

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The climate of Tinley Park

Tinley Park falls under the Köppen climate classification of Dfa, signifying a humid continental climate with no dry season and a hot summer. It is situated in the state of Illinois, which is located in the Great Lakes region of the United States. The climate of Tinley Park experiences significant variation across the year, from the chilly winters to the warm, humid summers.

A year-round overview of Tinley Park's annual weather patterns reveals moderate temperatures, with a range from 18.7°F (-7.4°C) at the lows to 81.9°F (27.7°C) at the high end. Humidity hovers predominantly in the mid to upper seventies as a percentage, reaching a peak of 83% in February and a low of 73% in October. Rainfall in this area is relatively evenly distributed throughout the year, with the driest months registering 0.55" (14mm) and the wettest providing 1.54" (39mm) of precipitation.

One of the distinct weather patterns in Tinley Park is the minimal fluctuation in rainfall across the year, with even the driest and the wettest months only differing by around 1 inch. Similarly, daylight hours experience minimal variation, ranging from 9.2 hours in December to 15.1 hours in June.

The best time to visit Tinley Park

The most favorable time for visiting Tinley Park corresponds with the warm, sunny days of the town's summer season. July specifically presents an ideal climate, with the highest temperature at 81.9°F (27.7°C) and lower humidity levels compared to other months. This month also registers 14.8 daylight hours, providing ample opportunity for outdoor activities and exploration. Moreover, July averages 6 sunshine days accompanied by a UV index of 6, both factors contributing to a pleasant and sun-soaked visit.

The worst time to visit Tinley Park

Conversely, the colder months from November to February prove less conducive to exploring Tinley Park. January is particularly unwelcoming, with temperatures plunging to as low as 18.7°F (-7.4°C) accompanied by the highest annual humidity value of 83%. Snowfall during these months, peaking at 1.3" (33mm) in January, combined with limited daylight hours, can restrict outdoor activities considerably.

Spring weather in Tinley Park

Springtime in Tinley Park sees a gradual rise in temperature, from a low of 32.4°F (0.2°C) in March to 68.7°F (20.4°C) in May. This season also sees increased rainfall, with May recording the highest precipitation level of 1.54" (39mm). Wind speeds during spring remain moderate, ranging from 9.4mph (15.1km/h) in March to slightly lower at 8.3mph (13.4km/h) in May. With daylight hours extending from 12 hours in March to 14.5 hours by May, spring is an inviting time for visitors in Tinley Park.

Summer weather in Tinley Park

Summers in Tinley Park are characterized by warm, humid conditions. June sees average high temperatures of 78.3°F (25.7°C) climbing to 81.9°F (27.7°C) in July, the warmest of the year. Although the summer months register the highest humidity, they also benefit from the year's longest daylight hours, between 14.5 hours to 15.1 hours. Rainfall in the summer months does not exceed 1.38" (35mm), allowing visitors to enjoy the city's offerings without significant interruptions due to precipitation.

Autumn weather in Tinley Park

Autumn displays a steady decline in temperatures, with September's 73.9°F (23.3°C) steadily falling to 46.9°F (8.3°C) by November. Days shorten from 12.5 hours of daylight in September to 9.9 hours in November, along with a gradual increase in cloud cover. Rainfall remains consistently below 1 inch during the entirety of the season. Wind speeds also increase during this time, from 7.2mph (11.6km/h) to 9.6mph (15.4km/h) in November.

Winter weather in Tinley Park

Winters in Tinley Park bring freezing temperatures, with December experiencing lows of 25.7°F (-3.5°C) and highs of 35.4°F (1.9°C). The trend continues throughout January and February, making these the coldest months of the year. Snowfall is prevalent during winter, reaching to 1.3" (33mm) in January. Daylight becomes scarce, with only 9.2 hours in December. Despite these challenging conditions, local events such as holiday markets and ice-skating often attract visitors, making Tinley Park winter a unique experience.

Weather in January

Tinley Park embraces wintry weather in January creating a chilly atmosphere that can only be comforted by a snug blanket and a warm cup of coffee. The city nestles below a cloudy cover most of the time, with the windowpanes often being kissed by the frost in the morning. Weather in January »

Weather in February

February is another month when the Tinley Park celebrates winter. The weather conditions mirror those of January, with marginal alternations. The city continues to experience low temperatures, while showing the first signs of winter's withdrawal. Weather in February »

Weather in March

As the winter recedes, March in Tinley Park witnesses the onset of spring. The city begins its transition from the frosty conditions of the preceding months into a more comfortable climate. The snowfall days further decline while rain becomes more frequent. Weather in March »

Weather in April

The complete transition into spring is prevalent throughout Tinley Park in April. The city shows traces of reviving nature and life, freed from the chill of winter. Rainfall is common as the month serves as a preparatory period for the upcoming warm season. Weather in April »

Weather in May

May marks the emergence of summer in Tinley Park. The city basks in increased sunlight hours, highlighting the lengthy days and shorter nights. The trees emanate splendid green, adding life to the landscapes against the relatively clear blue sky. Weather in May »

Weather in June

June sends the city of Tinley Park into full vibrant summer mode. The sun beaming down in the clear blue sky dominates the weather as days are longer than nights. With relatively clear skies, outdoor activities are plentiful with bustling streets and lively parks. Weather in June »

Weather in July

July stands as the peak of summer in Tinley Park. The city pulsates with life as the weather remains predominantly warm. Despite being the warmest month, occasional rainfall provides a much-needed cool retreat. An increase in humidity is also observed making it the most humid month. Weather in July »

Weather in August

August does not depart from the summer trend following July closely in Tinley Park. The city continues to bask in warmth with pleasant evenings offering a relief from the daytime heat. The short and unpredictable showers add charm to the landscape blooming vivaciously. Weather in August »

Weather in September

September in Tinley Park brings the fall season. The city embarks on a journey transitioning from the sultry summer towards a crisper autumn. With decreasing daylight hours, the atmosphere adopts a more serene and tranquil ambiance. Weather in September »

Weather in October

October further enhances the aura of autumn in Tinley Park. The city witnesses multicolored landscapes and falling leaves recording the transformation from green to gold. With the onset of this month, a noticeable change in the weather marks the approach of winter. Weather in October »

Weather in November

November in Tinley Park experiences a rapid transition towards winter. The city starts receiving the first strokes of the frost, marking the end of the fall season. With shorter days and chilly winds, the weather leans more towards the cold spectrum. Weather in November »

Weather in December

December welcomes the full-fledged winter season in Tinley Park. The city gets a wintry touch with the decreasing temperatures and the presence of frost. Snowfall becomes a common feature transforming the city into a winter wonderland. Weather in December »
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In Tinley Park, January is known for its average lowest temperatures, reaching a high of 29.7°F (-1.3°C) and a low of 18.7°F (-7.4°C).

What is the driest month?

The months with the least rainfall are January, February and December Rain falls for 4.5 days and accumulates 0.55" (14mm) of rain.

How many days does it rain?

In Tinley Park, during the entire year, the rain falls for 111.8 days and collects up to 11.18" (284mm) of precipitation.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 1.3" (33mm) of snow.

How much does it snow?

In Tinley Park, during the entire year, snow falls for 34.2 days and aggregates up to 4.8" (122mm) of snow.

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 the lowest UV index?

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

What is the most humid month?

With an average relative humidity of 83%, February is the most humid month.

When is Daylight Saving Time (DST)?

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?

May is the month with the most rainfall. Rain falls for 12.4 days and accumulates 1.54" (39mm) of precipitation.

When it does not snow?

In Tinley Park, snow does not fall in May through September.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month?

With average high temperatures of 81.9°F (27.7°C) and lows of 65.8°F (18.8°C), July is the warmest month.

What month has the most sunshine in Tinley Park?

August has the most sunshine of the year in Tinley Park, with an average of 10h of sunshine.

What is the least humid month?

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

What is the month with the shortest days?

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

Average temperature
Tinley Park, IL

Average temperature - Tinley Park, IL

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure
Tinley Park, IL

Average pressure - Tinley Park, 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
Tinley Park, IL

Average wind speed - Tinley Park, IL

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
Tinley Park, IL

Average humidity - Tinley Park, IL

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Tinley Park, IL

Average rainfall - Tinley Park, IL

The wettest month (with the highest rainfall) is May (1.54").
The driest months (with the least rainfall) are January, February and December (0.55").

Average rainfall days
Tinley Park, IL

Average rainfall days - Tinley Park, IL

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (4.1 days).

Average snowfall
Tinley Park, IL

Average snowfall - Tinley Park, IL

The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Tinley Park, IL

Average snowfall days - Tinley Park, IL

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Tinley Park, IL

Average daylight / Average sunshine - Tinley Park, 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 12min).

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

Average sunshine days
Tinley Park, IL

Average sunshine days - Tinley Park, IL

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is June (13.1 days).

Average UV index
Tinley Park, IL

Average UV index - Tinley Park, IL

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

Average visibility
Tinley Park, IL

Average visibility - Tinley Park, 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).

Tinley Park, Illinois, USA

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