May weather forecast
Bourne, MA

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Weather in May

May, the last month of the spring in Bourne, is a refreshing month, with an average temperature varying between 59.5°F (15.3°C) and 50.7°F (10.4°C).

Temperature

The beginning of May marks a shift in the average high-temperature, moving from April's fresh 50.5°F (10.3°C) to a mild 59.5°F (15.3°C). Bourne's nighttime temperature in May consistently rests at a fresh 50.7°F (10.4°C).

Humidity

In Bourne, 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. Throughout the year, there are 157.4 rainfall days, and 32.2" (818mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May in Bourne is 14h and 34min.
On the first day of May, sunrise is at 5:37 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 Bourne is 8.6h.

UV index

In May, the average daily maximum UV index in Bourne is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Bourne in May?

In May, in Bourne, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May in Bourne?

The average relative humidity in May is 80%.

How many days does it rain in May in Bourne?

In May, in Bourne, Massachusetts, the rain falls for 15.8 days. Throughout May, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Bourne?

May through September are months without snowfall.

Does it snow in Bourne in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Bourne have in May?

In Bourne, the average day length in May is 14h and 34min.

When is the sunrise / sunset in May in Bourne?

On the first day of May in Bourne, Massachusetts, sunrise is at 5:37 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.

How long on average sun shines in May in Bourne?

The average sunshine duration in May in Bourne, Massachusetts, is 8.6h.

How high is the UV index in May in Bourne?

The average daily maximum UV index in May in Bourne, Massachusetts, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bourne, MA

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).

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Average pressure in May
Bourne, MA

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).

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Average wind speed in May
Bourne, MA

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).

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Average humidity in May
Bourne, MA

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%).

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Average rainfall in May
Bourne, MA

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").

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Average rainfall days in May
Bourne, MA

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).

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Average snowfall in May
Bourne, MA

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").

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Average snowfall days in May
Bourne, MA

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).

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Average daylight in May /
Average sunshine in May
Bourne, MA

Average daylight in May / Average sunshine in May - Bourne, 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 months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Bourne, MA

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).

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Average UV index in May
Bourne, MA

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).

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Average cloud cover in May
Bourne, MA

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).

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Average visibility in May
Bourne, MA

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).

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Bourne, Massachusetts, USA

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