May weather forecast
New Vienna, IA

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Weather in May

May, the last month of the spring in New Vienna, is a refreshing month, with an average temperature varying between 50.5°F (10.3°C) and 66.7°F (19.3°C).

Temperature

May sees a rise in the average high-temperature, climbing from a refreshing 55.9°F (13.3°C) in April to an enjoyable 66.7°F (19.3°C). During the month of May, New Vienna anticipates a mean low-temperature of 50.5°F (10.3°C).

Humidity

In May, the average relative humidity is 81%.

Rainfall

The month with the most rainfall in New Vienna is May, when the rain falls for 19.9 days and typically aggregates up to 4.72" (120mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In New Vienna, the average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:04 pm. On the last day of May, in New Vienna, sunrise is at 5:29 am and sunset at 8:34 pm CDT.

Sunshine

In May, the average sunshine is 8.1h.

UV index

The months with the highest UV index in New Vienna are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 5 in May transforms into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the temperature in May in New Vienna?

May temperatures in New Vienna, Iowa, vary between a high-temperature of 66.7°F (19.3°C) and a low-temperature of 50.5°F (10.3°C).

What is the average humidity in May in New Vienna?

In May, the average relative humidity in New Vienna, Iowa, is 81%.

What is the wettest month in New Vienna?

May is the month with the most rainfall. Rain falls for 19.9 days and accumulates 4.72" (120mm) of precipitation.

How many days does it rain in May in New Vienna?

In May, the rain falls for 19.9 days. Throughout May, 4.72" (120mm) of precipitation is accumulated.

When it does not snow in New Vienna?

In New Vienna, Iowa, snow does not fall in May through September.

Does it snow in New Vienna in May?

In May, in New Vienna, Iowa, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in New Vienna?

In May, the average day length in New Vienna is 14h and 38min.

When is the sunrise / sunset in May in New Vienna?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 8:04 pm. On the last day of the month, in New Vienna, Iowa, sunrise is at 5:29 am and sunset at 8:34 pm CDT.

How long on average sun shines in May in New Vienna?

In New Vienna, Iowa, the average sunshine duration in May is 8.1h.

What is the month with the highest UV index in New Vienna?

The months with the highest UV index in New Vienna are May through August, with an average maximum UV index of 5.

What is the UV index intensity in May in New Vienna?

In New Vienna, Iowa, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
New Vienna, IA

Average temperature in May - New Vienna, IA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in May
New Vienna, IA

Average pressure in May - New Vienna, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
New Vienna, IA

Average wind speed in May - New Vienna, IA
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
New Vienna, IA

Average humidity in May - New Vienna, IA
  • Average humidity in May: 81%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in May
New Vienna, IA

Average rainfall in May - New Vienna, IA
  • Average rainfall in May: 4.72"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in May
New Vienna, IA

Average rainfall days in May - New Vienna, IA
  • Average rainfall days in May: 19.9 days

The months with the highest number of rainy days are May and June (19.9 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in May
New Vienna, IA

Average snowfall in May - New Vienna, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
New Vienna, IA

Average snowfall days in May - New Vienna, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
New Vienna, IA

Average daylight in May / Average sunshine in May - New Vienna, IA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
New Vienna, IA

Average sunshine days in May - New Vienna, IA
  • Average sunshine days in May: 9 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (7.8 days).

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Average UV index in May
New Vienna, IA

Average UV index in May - New Vienna, IA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in May
New Vienna, IA

Average cloud cover in May - New Vienna, IA
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in May
New Vienna, IA

Average visibility in May - New Vienna, IA
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).

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New Vienna, Iowa, USA

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