Mattoon Weather in July

July in Mattoon brings high temperatures, with highs of 30°C (86°F) and nights dropping to 19°C (66°F). Rainfall is on the higher side this month, averaging around 114 mm (4.5 in), so keep a rain jacket handy.

Rainfall in Mattoon in July

Expect around 9 days of rain based on historical data, with 114 mm (4.5 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Mattoon in July

In July, Mattoon sees high temperatures, with highs of 30°C (86°F). Nights drop to around 19°C (66°F). Overall, the month follows a fairly predictable daily temperature pattern. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.