May weather forecast
Vandalia, IN

Weather in May

The last month of the spring, May, is a pleasant month in Vandalia, Indiana, with an average temperature fluctuating between 72.5°F (22.5°C) and 55.4°F (13°C).

Temperature

In Vandalia, Indiana, the average high-temperature in May rises from an enjoyable 62.6°F (17°C) in April to an agreeable 72.5°F (22.5°C). The average low-temperature, in Vandalia, Indiana, is 55.4°F (13°C).

Humidity

May and July, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Vandalia, during May, the rain falls for 18.4 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Vandalia, during the entire year, the rain falls for 154.9 days and collects up to 26.18" (665mm) of precipitation.

Snowfall

May through September are months without snowfall in Vandalia.

Daylight

In Vandalia, the average length of the day in May is 14h and 21min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:40 pm. On the last day of May, sunrise is at 6:23 am and sunset at 9:07 pm EDT.

Sunshine

The average sunshine in May in Vandalia, Indiana, is 8.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Vandalia. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in May transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Vandalia?

The average high-temperature, in May, in Vandalia, Indiana, is 72.5°F (22.5°C), while the average low-temperature is 55.4°F (13°C).

What are the most humid months in Vandalia?

May and July, with an average relative humidity of 82%, are most humid months in Vandalia.

What is the average humidity in May in Vandalia?

The average relative humidity in May in Vandalia is 82%.

How many days does it rain in May in Vandalia?

In Vandalia, Indiana, in May, during 18.4 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

When it does not snow in Vandalia?

In Vandalia, Indiana, snow does not fall in May through September.

Does it snow in Vandalia in May?

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

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

The average day length in May in Vandalia, Indiana, is 14h and 21min.

When is the sunrise / sunset in May in Vandalia?

On the first day of May in Vandalia, sunrise is at 6:48 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 9:07 pm EDT.

How long on average sun shines in May in Vandalia?

In Vandalia, Indiana, the average sunshine duration in May is 8.7h.

What are the months with the highest UV index in Vandalia?

The months with the highest UV index in Vandalia are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Vandalia?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Vandalia, IN

Average temperature in May - Vandalia, IN
  • Average high temperature in May: 72.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in May
Vandalia, IN

Average pressure in May - Vandalia, IN
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Vandalia, IN

Average wind speed in May - Vandalia, IN
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
Vandalia, IN

Average humidity in May - Vandalia, IN
  • Average humidity in May: 82%

The months with the highest relative humidity are May and July (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in May
Vandalia, IN

Average rainfall in May - Vandalia, IN
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in May
Vandalia, IN

Average rainfall days in May - Vandalia, IN
  • Average rainfall days in May: 18.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in May
Vandalia, IN

Average snowfall in May - Vandalia, IN
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Vandalia, IN

Average snowfall days in May - Vandalia, IN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9.1 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
Vandalia, IN

Average daylight in May / Average sunshine in May - Vandalia, IN
  • Average daylight in May: 14h and 21min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 27min).

  • Average sunshine in May: 8h and 42min

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).

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Average sunshine days in May
Vandalia, IN

Average sunshine days in May - Vandalia, IN
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in May
Vandalia, IN

Average UV index in May - Vandalia, IN
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Vandalia, IN

Average cloud cover in May - Vandalia, IN
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in May
Vandalia, IN

Average visibility in May - Vandalia, IN
  • Average visibility in May: 5mi

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

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