Arnold Weather in May

Arnold 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 Arnold in May

Analyzing past climate data, one can expect approximately 14 days of rain, averaging 135 mm (5.3 in). 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 Arnold in May

In May, Arnold gets high temperatures, with highs of 25°C (77°F). Nights cool to around 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. 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 Arnold in May

With approximately 269 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, October typically offers the best circumstances for Arnold.

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• January
• February
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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 Arnold's climate page.

Arnold 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 (26 KM, 16 Miles).

What to Wear in Arnold in May

For Arnold 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 Arnold 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 Arnold's climate page.

More climate data for Arnold

Temperature Rainfall Sunshine Humidity

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