May weather forecastRockville, IN
May
Weather in May
The last month of the spring, May, is a pleasant month in Rockville, Indiana, with an average temperature fluctuating between 55.2°F (12.9°C) and 72°F (22.2°C).Temperature
The rise of average high-temperatures is seen in May, with an increase from a refreshing 62.1°F (16.7°C) in April to a pleasant 72°F (22.2°C). During the month of May, Rockville anticipates a mean low-temperature of 55.2°F (12.9°C).Humidity
The average relative humidity in May in Rockville is 81%.Rainfall
The months with the most rainfall are April and May, with an average 2.52" (64mm) of precipitation.Snowfall
In Rockville, snow does not fall in May through September.Daylight
The average length of the day in May in Rockville is 14h and 23min.On the first day of May, sunrise is at 6:48 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:22 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 is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rockville, IN
- Average high temperature in May: 72°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in May
Rockville, IN
- Average pressure in May: 29.97"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
Rockville, IN
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Rockville, IN
- Average humidity in May: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Rockville, IN
- Average rainfall in May: 2.52"
The wettest months (with the highest rainfall) are April and May (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in May
Rockville, IN
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in May
Rockville, IN
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Rockville, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.1 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
Rockville, IN
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Rockville, IN
- Average sunshine days in May: 10 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10 days).
Average UV index in May
Rockville, 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
Rockville, IN
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in May
Rockville, 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).
