May weather forecastHarrisville, NY
May
Weather in May
May, the last month of the spring in Harrisville, is a refreshing month, with an average temperature ranging between max 64.2°F (17.9°C) and min 46°F (7.8°C).Temperature
As Harrisville welcomes May, the average high-temperature sees a rise, transitioning from a fresh 50.7°F (10.4°C) in April to an enjoyable 64.2°F (17.9°C). In the month of May, Harrisville witnesses a consistent average low-temperature of 46°F (7.8°C).Humidity
In May, the average relative humidity in Harrisville is 79%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 165.7 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Harrisville aggregates 0.16" (4mm) of snow. Throughout the year, there are 89.7 snowfall days, and 41.57" (1056mm) of snow is accumulated.Daylight
In Harrisville, New York, the average length of the day in May is 14h and 47min.On the first day of May, sunrise is at 5:51 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:37 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Harrisville, NY
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in May
Harrisville, NY
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Harrisville, NY
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Harrisville, NY
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Harrisville, NY
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Harrisville, NY
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in May
Harrisville, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harrisville, NY
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harrisville, NY
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in May
Harrisville, NY
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in May
Harrisville, NY
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Harrisville, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Harrisville, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





