May weather forecast
Wareham, MA

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Weather in May

May, the last month of the spring in Wareham, is a mild month, with an average temperature fluctuating between 50.9°F (10.5°C) and 60.4°F (15.8°C).

Temperature

Wareham sees an increase in average high-temperatures during May, moving from a fresh 51.3°F (10.7°C) in April to a moderate 60.4°F (15.8°C). Throughout the month of May, Wareham observes an average nighttime temperature of 50.9°F (10.5°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Wareham, during May, the rain falls for 14.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 136.3 rainfall days, and 15.63" (397mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Wareham. May is the last month it regularly snows. During 0.1 snowfall days, in May, Wareham aggregates 0.12" (3mm) of snow. In Wareham, during the entire year, snow falls for 21.6 days and aggregates up to 4.29" (109mm) of snow.

Daylight

In Wareham, the average length of the day in May is 14h and 34min.
On the first day of the month, sunrise is at 5:38 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

The average sunshine in May is 8.6h.

UV index

In Wareham, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Wareham, is 60.4°F (15.8°C) and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

How many days does it rain in May?

In Wareham, in May, during 14.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Wareham aggregates 0.12" (3mm) of snow.

How many hours of daylight does Wareham have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, 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.

How many hours of sunshine does Wareham have in May?

In Wareham, the average sunshine duration in May is 8.6h.

What is the UV index reading in May in Wareham?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Wareham, MA

Average temperature in May - Wareham, 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
Wareham, MA

Average pressure in May - Wareham, 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
Wareham, MA

Average wind speed in May - Wareham, 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
Wareham, MA

Average humidity in May - Wareham, 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
Wareham, MA

Average rainfall in May - Wareham, 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
Wareham, MA

Average rainfall days in May - Wareham, 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
Wareham, MA

Average snowfall in May - Wareham, 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
Wareham, MA

Average snowfall days in May - Wareham, 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 daylight in May /
Average sunshine in May
Wareham, MA

Average daylight in May / Average sunshine in May - Wareham, 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
Wareham, MA

Average sunshine days in May - Wareham, 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
Wareham, MA

Average UV index in May - Wareham, 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
Wareham, MA

Average cloud cover in May - Wareham, 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
Wareham, MA

Average visibility in May - Wareham, 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).

Wareham, Massachusetts, USA

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