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
The onset of May marks an increase in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in April to a pleasant 68°F (20°C). Throughout May, the average low-temperature records at a chilly 47.8°F (8.8°C).Humidity
In South Hadley, the average relative humidity in May is 74%.Rainfall
In South Hadley, in May, it is raining for 14 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 136.4 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, South Hadley aggregates 0.2" (5mm) of snow. In South Hadley, during the entire year, snow falls for 25.6 days and aggregates up to 6.93" (176mm) of snow.Daylight
The average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:19 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
South Hadley, MA
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in May
South Hadley, MA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
South Hadley, MA
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
South Hadley, MA
- Average humidity in May: 74%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
South Hadley, MA
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in May
South Hadley, MA
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
South Hadley, MA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
South Hadley, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
South Hadley, 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
South Hadley, MA
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in May
South Hadley, 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 Hadley, MA
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
South Hadley, MA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
South Hadley, Massachusetts, USA
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