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
An escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 60.1°F (15.6°C) in April to a pleasant 71.6°F (22°C). Harley temperatures generally rest at a low of 54.7°F (12.6°C) during the May nights.Humidity
In May, the average relative humidity is 78%.Rainfall
In May, the rain falls for 18.1 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 143.1 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Harley.Daylight
The average length of the day in May is 14h and 27min.On the first day of May, sunrise is at 6:44 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 9:10 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index in Harley is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Harley have in May?
What is the UV index intensity in May?
Average temperature in May
Harley, IN
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in May
Harley, IN
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Harley, IN
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Harley, 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
Harley, IN
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in May
Harley, IN
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Harley, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Harley, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harley, IN
- Average daylight in May: 14h and 3min
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 18min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Harley, IN
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in May
Harley, IN
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Harley, IN
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in May
Harley, 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).
Harley, Indiana, USA
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