Decatur
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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.

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).

Decatur Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Decatur - and find the best time to visit.

Best Places in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Decatur 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

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