May weather forecastBourne, MA
May
Weather in May
May, the last month of the spring in Bourne, is a moderate month, with an average temperature varying between 59.5°F (15.3°C) and 50.7°F (10.4°C).Temperature
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's cool 50.5°F (10.3°C) to a moderate 59.5°F (15.3°C). The nights of May cool down to an average low of 50.7°F (10.4°C), subtly lower than daytime highs.Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 15.8 days. Throughout May, 2.36" (60mm) of precipitation is accumulated. In Bourne, during the entire year, the rain falls for 157.4 days and collects up to 32.2" (818mm) of precipitation.Snowfall
In Bourne, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 5:37 am and sunset at 7:41 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:10 pm EDT.
Sunshine
In Bourne, the average sunshine in May is 8.6h.UV index
In Bourne, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during May translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bourne, MA
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 50.7°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 (27.7°F).
Average pressure in May
Bourne, 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
Bourne, MA
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is January (13.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in May
Bourne, MA
- Average humidity in May: 80%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in May
Bourne, MA
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
Bourne, MA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (9 days).
Average snowfall in May
Bourne, MA
- Average snowfall in May: 0"
The months with the highest snowfall are February and March (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Bourne, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bourne, MA
- Average daylight in May: 14h and 36min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Bourne, MA
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in May
Bourne, MA
- Average UV index in May: 5
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
Bourne, 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
Bourne, 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).
