May weather forecast
Vail, IA

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Weather in May

The last month of the spring, May, is a pleasant month in Vail, Iowa, with an average temperature fluctuating between 52.7°F (11.5°C) and 69.4°F (20.8°C).

Temperature

The shift from April to May is marked by an increase in the average high-temperature, moving from a moderate 58.5°F (14.7°C) to a pleasant 69.4°F (20.8°C). Throughout the month of May, Vail expects an average low of 52.7°F (11.5°C).

Humidity

In May, the average relative humidity in Vail is 72%.

Rainfall

May is the month with the most rainfall. Rain falls for 16 days and accumulates 3.82" (97mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Vail. May is the last month it regularly snows. During 0.1 snowfall days, in May, Vail aggregates 0.12" (3mm) of snow. In Vail, during the entire year, snow falls for 36.8 days and aggregates up to 14.53" (369mm) of snow.

Daylight

In May, the average length of the day is 14h and 35min.
On the first day of May in Vail, sunrise is at 6:15 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:49 pm CDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index in Vail is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the average May temperature in Vail?

In May, the average high-temperature and low-temperature are 69.4°F (20.8°C) and 52.7°F (11.5°C) respectively.

What is the average humidity in May in Vail?

In Vail, Iowa, the average relative humidity in May is 72%.

What is the wettest month in Vail?

May is the month with the most rainfall in Vail, Iowa. Rain falls for 16 days and accumulates 3.82" (97mm) of precipitation.

How many days does it rain in May in Vail?

In May, in Vail, Iowa, the rain falls for 16 days. Throughout May, 3.82" (97mm) of precipitation is accumulated.

What is the last month it snows in Vail?

May is the last month it regularly snows in Vail, Iowa. During 0.1 snowfall days, in May, Vail aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Vail?

In Vail, Iowa, the average day length in May is 14h and 35min.

What time are sunrise and sunset in May in Vail?

In May, on the first day of the month, sunrise is at 6:15 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:49 pm CDT.

How long on average sun shines in May in Vail?

In May, the average sunshine duration in Vail is 8.6h.

What is the UV index intensity in May in Vail?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Vail, IA

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

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).

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Average pressure in May
Vail, IA

Average pressure in May - Vail, IA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in May
Vail, IA

Average wind speed in May - Vail, IA
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

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Average humidity in May
Vail, IA

Average humidity in May - Vail, IA
  • Average humidity in May: 72%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).

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Average rainfall in May
Vail, IA

Average rainfall in May - Vail, IA
  • Average rainfall in May: 3.82"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in May
Vail, IA

Average rainfall days in May - Vail, IA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).

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Average snowfall in May
Vail, IA

Average snowfall in May - Vail, IA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Vail, IA

Average snowfall days in May - Vail, IA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (10.2 days).
The 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
Vail, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in May
Vail, IA

Average sunshine days in May - Vail, IA
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).

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Average UV index in May
Vail, IA

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

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

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Average cloud cover in May
Vail, IA

Average cloud cover in May - Vail, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Vail, IA

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

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

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Vail, Iowa, USA

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