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
May introduces a minor temperature shift, with average high-temperatures adjusting from April's chilly 46.9°F (8.3°C) to a fresh 54.5°F (12.5°C). South Orleans's nighttime temperature in May consistently rests at 50.4°F (10.2°C).Humidity
The average relative humidity in May in South Orleans is 84%.Rainfall
In South Orleans, in May, it is raining for 7.4 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in South Orleans, there are 78.2 rainfall days, and 5.75" (146mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in South Orleans is 14h and 34min.On the first day of May in South Orleans, sunrise is at 5:35 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:07 pm EDT.
Sunshine
The average sunshine in May is 8.4h.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 unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in South Orleans in May?
What is the average humidity in May in South Orleans?
How much does it rain in South Orleans in May?
When it does not snow in South Orleans?
What is the average length of the day in May in South Orleans?
What time are sunrise and sunset in May in South Orleans?
How many hours of sunshine does South Orleans have in May?
How high is the UV index in May in South Orleans?
Average temperature in May
South Orleans, MA
- Average high temperature in May: 54.5°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is August (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
South Orleans, MA
- Average pressure in May: 30.02"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
South Orleans, MA
- Average wind speed in May: 13mph
The windiest month (with the highest average wind speed) is January (18.3mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).
Average humidity in May
South Orleans, MA
- Average humidity in May: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
South Orleans, MA
- Average rainfall in May: 0.39"
The wettest month (with the highest rainfall) is October (0.87").
The driest months (with the least rainfall) are July and August (0.28").
Average rainfall days in May
South Orleans, MA
- Average rainfall days in May: 7.4 days
The month with the highest number of rainy days is April (8.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
South Orleans, MA
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
South Orleans, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
South Orleans, 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 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in May
South Orleans, MA
- Average sunshine days in May: 20 days
The month with the most sunshine days is September (23.4 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in May
South Orleans, MA
- Average UV index in May: 4
The months with the highest UV index are 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 Orleans, MA
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
South Orleans, 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).
South Orleans, Massachusetts, USA
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