May weather forecast
Georgetown, MA

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Weather in May

The last month of the spring, May, is an enjoyable month in Georgetown, Massachusetts, with an average temperature fluctuating between 48.7°F (9.3°C) and 65.5°F (18.6°C).

Temperature

Georgetown's weather in May shows a rise in the average high-temperature, moving up from April's cool 54.5°F (12.5°C) to an enjoyable 65.5°F (18.6°C). Georgetown encounters an average low-temperature of 48.7°F (9.3°C) during May nights.

Humidity

In Georgetown, the average relative humidity in May is 74%.

Rainfall

In Georgetown, during May, the rain falls for 7.8 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Georgetown, during the entire year, the rain falls for 78.3 days and collects up to 5.43" (138mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Georgetown. During 0.1 snowfall days, in May, Georgetown aggregates 0.04" (1mm) of snow. Throughout the year, in Georgetown, there are 17.2 snowfall days, and 2.6" (66mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 39min.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:08 am and sunset at 8:15 pm EDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are the temperatures in Georgetown in May?

The average high-temperature, in May, in Georgetown, is 65.5°F (18.6°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Georgetown?

The average relative humidity in May in Georgetown is 74%.

How much does it rain in Georgetown in May?

In Georgetown, in May, during 7.8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

What is the last month it snows in Georgetown?

May is the last month it regularly snows in Georgetown, Massachusetts. During 0.1 snowfall days, in May, Georgetown aggregates 0.04" (1mm) of snow.

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

The average day length in May in Georgetown, Massachusetts, is 14h and 39min.

What time are sunrise and sunset in May in Georgetown?

On the first day of May in Georgetown, Massachusetts, sunrise is at 5:37 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Georgetown have in May?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May in Georgetown?

In Georgetown, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Georgetown, MA

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

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in May
Georgetown, MA

Average pressure in May - Georgetown, MA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Georgetown, MA

Average wind speed in May - Georgetown, MA
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in May
Georgetown, MA

Average humidity in May - Georgetown, MA
  • Average humidity in May: 74%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Georgetown, MA

Average rainfall in May - Georgetown, MA
  • Average rainfall in May: 0.39"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in May
Georgetown, MA

Average rainfall days in May - Georgetown, MA
  • Average rainfall days in May: 7.8 days

The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in May
Georgetown, MA

Average snowfall in May - Georgetown, MA
  • Average snowfall in May: 0.04"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Georgetown, MA

Average snowfall days in May - Georgetown, MA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Georgetown, MA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Georgetown, MA

Average sunshine days in May - Georgetown, MA
  • Average sunshine days in May: 20.3 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).

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Average UV index in May
Georgetown, MA

Average UV index in May - Georgetown, 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).

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Average cloud cover in May
Georgetown, MA

Average cloud cover in May - Georgetown, MA
  • Average cloud cover in May: 46

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
Georgetown, MA

Average visibility in May - Georgetown, 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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Georgetown, Massachusetts, USA

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