May weather forecast
Cohasset, MA

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Weather in May

May, the last month of the spring in Cohasset, is an enjoyable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 63.9°F (17.7°C).

Temperature

With the arrival of May, the average high-temperature transitions from a cool 53.8°F (12.1°C) in April to a refreshing 63.9°F (17.7°C). Cohasset anticipates an average minimum temperature of 50.2°F (10.1°C) in the month of May.

Humidity

In Cohasset, the average relative humidity in May is 75%.

Rainfall

In Cohasset, in May, during 16.1 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 152 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 36min.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:42 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:12 pm EDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In Cohasset, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the average May temperature?

The average high-temperature, in May, in Cohasset, is 63.9°F (17.7°C), while the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in May?

In Cohasset, the average relative humidity in May is 75%.

How much does it rain in May?

In Cohasset, Massachusetts, during May, the rain falls for 16.1 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow?

In Cohasset, snow does not fall in May through October.

Does it snow in May?

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

How many hours of daylight does Cohasset have in May?

The average day length in May is 14h and 36min.

When are sunrise and sunset in May in Cohasset?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:12 pm EDT.

How many hours of sunshine does Cohasset have in May?

The average sunshine duration in May is 8.5h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Cohasset, MA

Average temperature in May - Cohasset, MA
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Cohasset, MA

Average pressure in May - Cohasset, 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
Cohasset, MA

Average wind speed in May - Cohasset, MA
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in May
Cohasset, MA

Average humidity in May - Cohasset, MA
  • Average humidity in May: 75%

The months with the highest relative humidity are February, June and September (77%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Cohasset, MA

Average rainfall in May - Cohasset, MA
  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in May
Cohasset, MA

Average rainfall days in May - Cohasset, MA
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in May
Cohasset, MA

Average snowfall in May - Cohasset, MA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Cohasset, MA

Average snowfall days in May - Cohasset, MA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (8 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
Cohasset, MA

Average daylight in May / Average sunshine in May - Cohasset, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Cohasset, MA

Average sunshine days in May - Cohasset, MA
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in May
Cohasset, MA

Average UV index in May - Cohasset, 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
Cohasset, MA

Average cloud cover in May - Cohasset, MA
  • Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
Cohasset, MA

Average visibility in May - Cohasset, 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).

Cohasset, Massachusetts, USA

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