May weather forecastFlat Iron, IN
May
Weather in May
May, the last month of the spring in Flat Iron, is an agreeable month, with an average temperature ranging between max 71.8°F (22.1°C) and min 55°F (12.8°C).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's enjoyable 61.2°F (16.2°C) to a pleasant 71.8°F (22.1°C). Throughout May, an average nighttime temperature of 55°F (12.8°C) is experienced.Humidity
The average relative humidity in May is 78%.Rainfall
In Flat Iron, in May, during 18 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
In Flat Iron, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 25min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:45 pm. On the last day of May, in Flat Iron, sunrise is at 6:23 am and sunset at 9:12 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Flat Iron, IN
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Flat Iron, IN
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Flat Iron, IN
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Flat Iron, IN
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Flat Iron, IN
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days in May
Flat Iron, IN
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in May
Flat Iron, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Flat Iron, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 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
Flat Iron, IN
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Flat Iron, IN
- Average sunshine days in May: 10 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in May
Flat Iron, 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
Flat Iron, IN
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in May
Flat Iron, IN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





