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 rise of average high-temperatures is seen in May, with an increase from a cool 51.8°F (11°C) in April to a comfortable 65.3°F (18.5°C). During May, Heath's temperature falls to a steady low-temperature average of 45.1°F (7.3°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Heath, Massachusetts, in May, it is raining for 16.8 days, with typically 3.03" (77mm) of accumulated precipitation. In Heath, during the entire year, the rain falls for 166.5 days and collects up to 35.12" (892mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Heath aggregates 0.31" (8mm) of snow. Throughout the year, there are 57.9 snowfall days, and 35.16" (893mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:22 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in May translates into this advice:
Guard yourself - Avoiding sunburn is suggested. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Heath?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Heath have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Heath have in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Heath, MA
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in May
Heath, 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 (29.92"Hg).
Average wind speed in May
Heath, MA
- Average wind speed in May: 6.6mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Heath, MA
- Average humidity in May: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Heath, MA
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is October (3.58").
The driest months (with the least rainfall) are March and September (2.6").
Average rainfall days in May
Heath, MA
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Heath, MA
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Heath, MA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heath, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Heath, MA
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in May
Heath, MA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Heath, MA
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in May
Heath, MA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Heath, Massachusetts, USA
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