Tinley Park Climate by Month
Tinley Park, Illinois, United States
Warm summers and freezing winters, with rain spread through the year.
The climate in Tinley Park is one of warm summers and freezing winters, with rain spread through the year. Expect highs of 84°F (29°C) in July and 32°F (0°C) in January, with the coldest nights (January) near 17°F (-9°C). About 40 in (1005 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 17°F(-9°C)
- Average low, January
- Rain per year
- 40 in(1005 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: July
Best and worst months in Tinley Park
Best for weatherSeptember is the best time for weather in Tinley Park: highs near 76°F (25°C) and about 3.4 in (86 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 32°F (0°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Tinley Park weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 32°F(0°C) | 17°F(-9°C) | 1.9 in(48 mm) | 90% | 1.4 |
| FebFebruary | 37°F(3°C) | 20°F(-7°C) | 1.7 in(42 mm) | 77% | 2.5 |
| MarMarch | 47°F(9°C) | 30°F(-1°C) | 2.4 in(62 mm) | 75% | 3.6 |
| AprApril | 60°F(16°C) | 39°F(4°C) | 4.6 in(117 mm) | 66% | 4.5 |
| MayMay | 71°F(22°C) | 49°F(10°C) | 4.6 in(116 mm) | 67% | 5.1 |
| JunJune | 81°F(27°C) | 59°F(15°C) | 4.8 in(121 mm) | 68% | 5.8 |
| JulJuly | 84°F(29°C) | 64°F(18°C) | 4.1 in(103 mm) | 70% | 6.0 |
| AugAugust | 82°F(28°C) | 62°F(17°C) | 4.1 in(103 mm) | 74% | 5.2 |
| SepSeptemberBest | 76°F(25°C) | 55°F(13°C) | 3.4 in(86 mm) | 70% | 4.3 |
| OctOctober | 64°F(18°C) | 43°F(6°C) | 3.1 in(78 mm) | 72% | 2.8 |
| NovNovember | 49°F(10°C) | 32°F(0°C) | 2.8 in(71 mm) | 81% | 1.7 |
| DecDecember | 37°F(3°C) | 22°F(-5°C) | 2.3 in(58 mm) | 90% | 1.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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