Decatur Weather in May

Decatur in May averages 24°C (75°F) during the day and 12°C (54°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Decatur in May

Climate statistics over the past 30 years suggest around 12 days of rain, with 118 mm (4.6 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Decatur in May

In May, Decatur sees high temperatures, with highs of 24°C (75°F). Nights drop to around 12°C (54°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Decatur in May

The city usually sees around 281 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If your ideal day consists of dry skies and pleasant temperatures, August and September typically offer the best circumstances for Decatur.

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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 Decatur's climate page.

Decatur Temperature in May

Min Temperature 12°C (54°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 41%  

Precipitation 118 mm (4.6 in)  

Rainy days 12 days  

Humidity 65% *  

Sunshine 281 hours *  

Percentage Sunshine 63% *  

* Data from: Springfield, the United States of America (59 KM, 36 Miles).

What to Wear in Decatur in May

For Decatur in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Decatur 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 Decatur's climate page.

More climate data for Decatur

Temperature Rainfall Sunshine Humidity

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