May weather forecastRetreat, IN
May
Weather in May
The last month of the spring, May, is a warm month in Retreat, Indiana, with an average temperature varying between 55.9°F (13.3°C) and 73.8°F (23.2°C).Temperature
As April gives way to May, the average high-temperature displays an increase, moving from a comfortable 64°F (17.8°C) to a warm 73.8°F (23.2°C). The nighttime temperature dips to a mild 55.9°F (13.3°C) on average during May.Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 18.5 days. Throughout May, 3.43" (87mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
In Retreat, snow does not fall in May through September.Daylight
In Retreat, the average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:36 pm. On the last day of May, sunrise is at 6:20 am and sunset at 9:02 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Retreat, IN
- Average high temperature in May: 73.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Retreat, 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 (29.94"Hg).
Average wind speed in May
Retreat, IN
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Retreat, IN
- Average humidity in May: 80%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Retreat, IN
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Retreat, IN
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in May
Retreat, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Retreat, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9 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
Retreat, IN
- Average daylight in May: 14h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in May
Retreat, IN
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in May
Retreat, 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
Retreat, IN
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Retreat, IN
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
