May weather forecast
Centerville, IA

Weather in May

The last month of the spring, May, is an agreeable month in Centerville, Iowa, with average temperature fluctuating between 53.1°F (11.7°C) and 69.4°F (20.8°C).

Temperature

In May, the average high-temperature rises, from a moderate 60.4°F (15.8°C) in April, to an agreeable 69.4°F (20.8°C). In Centerville, in May, the average low-temperature is 53.1°F (11.7°C).

Humidity

The average relative humidity in May is 81%.

Rainfall

In May, in Centerville, the rain falls for 18.2 days. Throughout May, 3.39" (86mm) of precipitation is accumulated. In Centerville, during the entire year, the rain falls for 143.2 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Centerville. May is the last month it regularly snows. During 0.2 snowfall days, in May, Centerville aggregates 0.2" (5mm) of snow. In Centerville, during the entire year, snow falls for 33.2 days, and aggregates up to 15.31" (389mm) of snow.

Daylight

The average length of the day in Centerville is 14.5h.

Sunshine

In May, the average sunshine in Centerville is 8.6h.

UV index

In Centerville, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Centerville?

The average relative humidity in May in Centerville, Iowa, is 81%.

How many days does it rain in May in Centerville?

In Centerville, in May, it is raining for 18.2 days, with typically 3.39" (86mm) of accumulated precipitation.

What is the last month it snows in Centerville?

May is the last month it regularly snows in Centerville. During 0.2 snowfall days, in May, Centerville aggregates 0.2" (5mm) of snow.

How many hours of daylight does Centerville have in May?

In Centerville, the average length of the day in May is 14.5h.

How long on average sun shines in May in Centerville?

In Centerville, Iowa, the average sunshine in May is 8.6h.

What is the UV index intensity in May in Centerville?

In Centerville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Centerville, IA

Average temperature in May - Centerville, IA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 53.1°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in May
Centerville, IA

Average pressure in May - Centerville, IA
  • Average pressure in May: 29.93"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.89").

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Average wind speed in May
Centerville, IA

Average wind speed in May - Centerville, IA
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
Centerville, IA

Average humidity in May - Centerville, IA
  • Average humidity in May: 81%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Centerville, IA

Average rainfall in May - Centerville, IA
  • Average rainfall in May: 3.39"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in May
Centerville, IA

Average rainfall days in May - Centerville, IA
  • Average rainfall days in May: 18.2 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

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Average snowfall in May
Centerville, IA

Average snowfall in May - Centerville, IA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (4.33").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Centerville, IA

Average snowfall days in May - Centerville, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (9.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Centerville, IA

Average daylight in May / Average sunshine in May - Centerville, IA
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in May
Centerville, IA

Average sunshine days in May - Centerville, IA
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).

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Average UV index in May
Centerville, IA

Average UV index in May - Centerville, IA
  • Average UV index in May: 5

Months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Centerville, IA

Average cloud cover in May - Centerville, IA
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 53).
Months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in May
Centerville, IA

Average visibility in May - Centerville, IA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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