Collinsville Weather in May

Collinsville in May sees high temperatures, with highs around 25°C (77°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 135 mm (5.3 in) on average, so pack waterproofs just in case.

Rainfall in Collinsville in May

Typically, you can expect about 14 days of rain this month, with 135 mm (5.3 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Collinsville in May

May in Collinsville brings typical temperatures with highs around 25°C (77°F) and lows of 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Collinsville in May

Expect sunny days throughout the month, with an estimated 269 hours of sunshine. This makes it a pleasant time to visit Collinsville.

For Collinsville itself, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Collinsville's climate page.

Collinsville Temperature in May

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 47%  

Precipitation 135 mm (5.3 in)  

Rainy days 14 days  

Humidity 65% *  

Sunshine 269 hours *  

Percentage Sunshine 60% *  

* Data from: St. Louis, the United States of America (19 KM, 11 Miles).

What to Wear in Collinsville in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Collinsville in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Collinsville's climate page.

More climate data for Collinsville

Temperature Rainfall Sunshine Humidity

See the full Collinsville climate overview or explore weather in the United States of America.