Last updated: June 24, 2025
In October, the average temperature in Fairview Heights, United States is a pleasant 15°C (60°F). However, be prepared for a range of temperatures, as it can dip as low as -3°C (28°F) and soar up to 34°C (94°F). Expect 107 mm (4.2 in) of precipitation over about 10 days, contributing to an average humidity of 76%. Always pack accordingly to enjoy your time in this dynamic climate!
In October in Fairview Heights, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as -3°C (28°F). It's a month of diverse weather, so travelers should be prepared for varying conditions.
In Fairview Heights in October, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.
In Fairview Heights in October humidity is 76%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit more challenging and urging you to stay hydrated while exploring the area.
In Fairview Heights in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Fairview Heights.
UV Risk Categories
Weather in Fairview Heights varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Fairview Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 80 mm (3.2 inches) | 82% | moderate |
| February Weather | 2°C (36°F) | 83 mm (3.3 inches) | 80% | moderate |
| March Weather | 9°C (48°F) | 139 mm (5.5 inches) | 80% | high |
| April Weather | 13°C (56°F) | 148 mm (5.8 inches) | 80% | very high |
| May Weather | 20°C (68°F) | 158 mm (6.2 inches) | 82% | very high |
| June Weather | 25°C (77°F) | 100 mm (4.0 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 91 mm (3.6 inches) | 81% | very high |
| August Weather | 25°C (77°F) | 129 mm (5.1 inches) | 80% | very high |
| September Weather | 23°C (73°F) | 59 mm (2.3 inches) | 76% | very high |
| October Weather | 15°C (60°F) | 107 mm (4.2 inches) | 76% | high |
| November Weather | 7°C (45°F) | 77 mm (3.0 inches) | 85% | moderate |
| December Weather | 4°C (40°F) | 67 mm (2.7 inches) | 86% | moderate |