May weather forecastRob Roy, IN
May
Weather in May
May, the last month of the spring in Rob Roy, is a pleasant month, with an average temperature ranging between max 71.8°F (22.1°C) and min 54.9°F (12.7°C).Temperature
The start of May brings a shift in the average high-temperature, increasing from April's refreshing 60.8°F (16°C) to an agreeable 71.8°F (22.1°C). Nighttime temperature lowers to an average of 54.9°F (12.7°C) in May.Humidity
In May, the average relative humidity in Rob Roy is 79%.Rainfall
In Rob Roy, in May, during 19.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 161.5 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 26min.On the first day of May in Rob Roy, Indiana, sunrise is at 6:47 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 9:12 pm EDT.
Sunshine
In Rob Roy, the average sunshine in May is 8.7h.UV index
In Rob Roy, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rob Roy, IN
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Rob Roy, IN
- Average pressure in May: 29.96"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
Rob Roy, 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
Rob Roy, IN
- Average humidity in May: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Rob Roy, IN
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Rob Roy, IN
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in May
Rob Roy, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Rob Roy, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11 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
Rob Roy, 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 42min
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 6min).
Average sunshine days in May
Rob Roy, IN
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).
Average UV index in May
Rob Roy, 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
Rob Roy, IN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in May
Rob Roy, 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).
