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
With the arrival of May, the average high-temperature transitions from an enjoyable 65.5°F (18.6°C) in April to a warm 75.4°F (24.1°C). During May, Charlestown records a consistent average nighttime temperature of 56.5°F (13.6°C).Humidity
In May, the average relative humidity in Charlestown is 78%.Rainfall
In Charlestown, during May, the rain falls for 17.6 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Charlestown, during the entire year, the rain falls for 159.1 days and collects up to 27.13" (689mm) of precipitation.Snowfall
In Charlestown, snow does not fall in May through October.Daylight
In Charlestown, the average length of the day in May is 14h and 17min.On the first day of May in Charlestown, Indiana, sunrise is at 6:44 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 9:00 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May in Charlestown is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in May translates into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Charlestown?
What is the average humidity in May in Charlestown?
How many days does it rain in May in Charlestown?
When it does not snow in Charlestown?
Does it snow in Charlestown in May?
What is the average length of the day in May in Charlestown?
What time are sunrise and sunset in May in Charlestown?
How many hours of sunshine does Charlestown have in May?
How high is the UV index in May in Charlestown?
Average temperature in May
Charlestown, IN
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in May: 56.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Charlestown, IN
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Charlestown, IN
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Charlestown, IN
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in May
Charlestown, IN
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Charlestown, IN
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in May
Charlestown, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Charlestown, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.7 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
Charlestown, IN
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in May
Charlestown, IN
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in May
Charlestown, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Charlestown, 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 29).
Average visibility in May
Charlestown, IN
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
Charlestown, Indiana, USA
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