Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May witnesses an increase in the average high-temperature, moving from a refreshing 62.6°F (17°C) in April to an agreeable 72.5°F (22.5°C). Vandalia experiences a nighttime temperature average of 55.4°F (13°C) during May.Humidity
The months with the highest humidity in Vandalia are May and July, with an average relative humidity of 82%.Rainfall
In May, the rain falls for 18.4 days. Throughout May, 3.07" (78mm) of precipitation is accumulated. Throughout the year, in Vandalia, there are 154.9 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
In Vandalia, Indiana, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 21min.On the first day of May in Vandalia, sunrise is at 6:47 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 9:07 pm EDT.
Sunshine
In May, the average sunshine in Vandalia is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in May leads to these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are May temperatures in Vandalia?
What is the most humid month in Vandalia?
What is the average humidity in May in Vandalia?
How much does it rain in Vandalia in May?
When it does not snow in Vandalia?
Does it snow in Vandalia in May?
What is the average length of the day in May in Vandalia?
When are sunrise and sunset in May in Vandalia?
How long on average sun shines in May in Vandalia?
What are the months with the highest UV index in Vandalia?
How high is the UV index in May in Vandalia?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in May /
Average sunshine in May
Vandalia, IN
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 4min
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).
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).
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).
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).
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).
Vandalia, Indiana, USA
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