May weather forecast
Westport, MA

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Weather in May

As Westport moves further into May, the weather shifts toward warmer tendencies. The firm grip of spring becomes even more noticeable with increasing greenery. High temperatures striding at 65.5°F (18.6°C) characterize the month. The shift in weather encourages various festivals and outdoor events. Rainfall continues in measured quantities, ensuring the city remains vibrant.

Temperature

With the onset of May in Westport, the average high-temperature slightly shifts from April's cool 54.7°F (12.6°C) to a refreshing 65.5°F (18.6°C). Throughout the month of May, the nighttime temperature dips to an average of 49.3°F (9.6°C).

Rainfall

During May, Westport regularly aggregates up to 3.23" (82mm) of precipitation. During the entire year, Westport aggregates up to 43.86" (1114mm) of precipitation.

Daylight

In Westport, the average length of the day in May is 14h and 32min.
On the first day of May, sunrise is at 5:40 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:11 pm EDT.
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Frequently asked questions

What is the usual temperature for Westport in May?

The high-temperature in Westport during May is 65.5°F (18.6°C) and the low-temperature is 49.3°F (9.6°C).

How much does it rain in Westport in May?

Throughout May, 3.23" (82mm) of precipitation is accumulated.

What is the average length of the day in May in Westport?

In Westport, Massachusetts, the average day length in May is 14h and 32min.

When are sunrise and sunset in May in Westport?

On the first day of May in Westport, Massachusetts, sunrise is at 5:40 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:11 pm EDT.

Average temperature in May
Westport, MA

Average temperature in May - Westport, MA
  • Average high temperature in May: 65.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in May: 49.3°F

The month with the highest average low temperature is July (64.8°F).
The coldest months (with the lowest average low temperature) are January and February (23.5°F).

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Average rainfall in May
Westport, MA

Average rainfall in May - Westport, MA
  • Average rainfall in May: 3.2"

The wettest month (with the highest rainfall) is August (4.3").
The driest month (with the least rainfall) is July (2.9").

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Average daylight in May
Westport, MA

Average daylight in May - Westport, MA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

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Westport, Massachusetts, USA

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