May weather forecastWest Lafayette, IN
May
Weather in May
The last month of the spring, May, is a pleasant month in West Lafayette, Indiana, with an average temperature varying between 54.9°F (12.7°C) and 71.6°F (22°C).Temperature
May's onset brings a temperature rise, moving from a mild 60.3°F (15.7°C) in April to an agreeable 71.6°F (22°C). West Lafayette's average low-temperature in the month of May is recorded at a cool 54.9°F (12.7°C).Humidity
In May, the average relative humidity is 78%.Rainfall
The months with the most rainfall are April and May, with an average 2.8" (71mm) of precipitation.Snowfall
May through October are months without snowfall in West Lafayette.Daylight
The average length of the day in May in West Lafayette is 14h and 26min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:43 pm. On the last day of May, in West Lafayette, sunrise is at 6:19 am and sunset at 9:11 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In West Lafayette, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
West Lafayette, IN
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
West Lafayette, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
West Lafayette, 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
West Lafayette, 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 (73%).
Average rainfall in May
West Lafayette, IN
- Average rainfall in May: 2.8"
The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in May
West Lafayette, 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 (6.5 days).
Average snowfall in May
West Lafayette, IN
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
West Lafayette, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Lafayette, 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 18min).
- Average sunshine in May: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
West Lafayette, IN
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in May
West Lafayette, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
West Lafayette, IN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in May
West Lafayette, 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).
