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
As May begins, there is an increase in the average high-temperature, moving from a mild 55.9°F (13.3°C) in April to an enjoyable 66.7°F (19.3°C). Throughout the month of May, South Walpole sees a steady low-temperature average of 49.6°F (9.8°C).Humidity
The average relative humidity in May is 75%.Rainfall
In South Walpole, in May, it is raining for 15.3 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in South Walpole, there are 149.5 rainfall days, and 29.61" (752mm) of precipitation is accumulated.Snowfall
Months with snowfall in South Walpole, Massachusetts, are January through May, October through December. May is the last month it regularly snows in South Walpole. During 0.1 snowfall days, in May, South Walpole aggregates 0.24" (6mm) of snow. In South Walpole, during the entire year, snow falls for 30 days and aggregates up to 17.05" (433mm) of snow.Daylight
In South Walpole, the average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in May in South Walpole, Massachusetts, is 8.3h.UV index
The average daily maximum UV index in May in South Walpole is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in South Walpole in May?
What is the average humidity in May in South Walpole?
How much does it rain in South Walpole in May?
What is the last month it snows in South Walpole?
What is the average length of the day in May in South Walpole?
What time are sunrise and sunset in May in South Walpole?
How many hours of sunshine does South Walpole have in May?
How high is the UV index in May in South Walpole?
Average temperature in May
South Walpole, MA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
South Walpole, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
South Walpole, MA
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
South Walpole, MA
- Average humidity in May: 75%
The months with the highest relative humidity are February, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
South Walpole, MA
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
South Walpole, MA
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
South Walpole, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Walpole, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Walpole, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
South Walpole, MA
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in May
South Walpole, MA
- 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, March, November and December (UV index 2).
Average cloud cover in May
South Walpole, MA
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
South Walpole, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).
South Walpole, Massachusetts, USA
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