Clayton
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Clayton Weather in May

May in Clayton brings high temperatures around 25°C (77°F) during the day, dropping to 14°C (57°F) at night, with quite a bit of rainfall expected, averaging around 119 mm (4.7 in) for the month.

Rainfall in Clayton in May

Climate statistics over the past 30 years suggest around 15 days of rain, with 119 mm (4.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Clayton in May

In May, Clayton sees high temperatures, with highs of 25°C (77°F). Nights drop to around 14°C (57°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. 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 Clayton in May

The city usually sees around 269 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Should you favor a climate that's both dry and comfortably warm, October 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.

Clayton Temperature in May

Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
49%
Precipitation
119 mm (4.7 in)
Rainy days
15 days
Humidity
65% *
Sunshine
269 hours *
Percentage Sunshine
60% *
* Data from: St. Louis, the United States of America (11 KM, 6 Miles).

Clayton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Clayton - 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 Clayton in May

For Clayton 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Clayton 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

Clayton 3-Day Forecast

Popular in May

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

Bucket list

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