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 sea temperature 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
With the onset of May, Marion experiences a temperature shift, with the average high-temperature moving from a cool 51.3°F (10.7°C) in April to a refreshing 60.4°F (15.8°C). Throughout the month of May, Marion reports a steady low-temperature average of 50.9°F (10.5°C).Humidity
In Marion, Massachusetts, the average relative humidity in May is 79%.Rainfall
In May, the rain falls for 14.1 days. Throughout May, 1.3" (33mm) of precipitation is accumulated. In Marion, during the entire year, the rain falls for 136.3 days and collects up to 15.63" (397mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Marion aggregates 0.12" (3mm) of snow. In Marion, during the entire year, snow falls for 21.6 days and aggregates up to 4.29" (109mm) of snow.Ocean temperature
In Marion, Massachusetts, the average seawater temperature in May is 50.4°F (10.2°C).Note: It is life-risking to swim in 50.4°F (10.2°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
The average length of the day in May is 14h and 33min.On the first day of May in Marion, sunrise is at 5:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:10 pm EDT.
Sunshine
In May, the average sunshine in Marion is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the temperature in May in Marion?
What is the average humidity in May in Marion?
How many days does it rain in May in Marion?
What is the last month it snows in Marion?
What is the ocean temperature in May in Marion?
How many hours of daylight does Marion have in May?
When is the sunrise / sunset in May in Marion?
How many hours of sunshine does Marion have in May?
How high is the UV index in May in Marion?
Average temperature in May
Marion, MA
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in May
Marion, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Marion, MA
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in May
Marion, MA
- Average humidity in May: 79%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in May
Marion, MA
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in May
Marion, MA
- Average rainfall days in May: 14.1 days
The months with the highest number of rainy days are May and July (14.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Marion, MA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Marion, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Marion, MA
- Average sea temperature in May: 50.4°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in May /
Average sunshine in May
Marion, 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 month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Marion, MA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in May
Marion, 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
Marion, MA
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Marion, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Marion, Massachusetts, USA
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