May weather forecast
Dalton, MA

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Weather in May

May, the last month of the spring in Dalton, is a comfortable month, with an average temperature varying between 45.9°F (7.7°C) and 65.8°F (18.8°C).

Temperature

In Dalton, the average high-temperature in May increases from a fresh 52.9°F (11.6°C) in April to a comfortable 65.8°F (18.8°C). Dalton records an average nighttime low-temperature of 45.9°F (7.7°C) throughout May.

Humidity

The average relative humidity in May in Dalton is 78%.

Rainfall

The month with the most rainfall in Dalton is May, when the rain falls for 18.3 days and typically aggregates up to 3.54" (90mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Dalton. May is the last month it regularly snows in Dalton. During 0.6 snowfall days, in May, Dalton aggregates 0.51" (13mm) of snow. Throughout the year, in Dalton, there are 69.2 snowfall days, and 40.98" (1041mm) of snow is accumulated.

Daylight

In May, the average length of the day in Dalton is 14h and 38min.
On the first day of May in Dalton, Massachusetts, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:22 pm EDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

In May, the average daily maximum UV index in Dalton is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the temperature in May in Dalton?

The average high-temperature, in May, in Dalton, is 65.8°F (18.8°C), while the average low-temperature is 45.9°F (7.7°C).

What is the average humidity in May in Dalton?

In Dalton, Massachusetts, the average relative humidity in May is 78%.

What is the rainiest month in Dalton?

The month with the most rainfall in Dalton is May, when the rain falls for 18.3 days and typically aggregates up to 3.54" (90mm) of precipitation.

How much does it rain in Dalton in May?

In Dalton, Massachusetts, in May, it is raining for 18.3 days, with typically 3.54" (90mm) of accumulated precipitation.

What is the last month it snows in Dalton?

May is the last month it regularly snows in Dalton. During 0.6 snowfall days, in May, Dalton aggregates 0.51" (13mm) of snow.

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

In Dalton, the average day length in May is 14h and 38min.

When are sunrise and sunset in May in Dalton?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Dalton have in May?

In May, the average sunshine duration in Dalton, Massachusetts, is 8.2h.

What is the UV index reading in May in Dalton?

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dalton, MA

Average temperature in May - Dalton, MA
  • Average high temperature in May: 65.8°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 (28°F).

  • Average low temperature in May: 45.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in May
Dalton, MA

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

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Dalton, MA

Average wind speed in May - Dalton, MA
  • Average wind speed in May: 6.7mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in May
Dalton, MA

Average humidity in May - Dalton, MA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in May
Dalton, MA

Average rainfall in May - Dalton, MA
  • Average rainfall in May: 3.54"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (2.4").

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Average rainfall days in May
Dalton, MA

Average rainfall days in May - Dalton, MA
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in May
Dalton, MA

Average snowfall in May - Dalton, MA
  • Average snowfall in May: 0.51"

The month with the highest snowfall is February (10.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Dalton, MA

Average snowfall days in May - Dalton, MA
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is February (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Dalton, 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 6min).

  • Average sunshine in May: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Dalton, MA

Average sunshine days in May - Dalton, MA
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is June (9.1 days).

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Average UV index in May
Dalton, MA

Average UV index in May - Dalton, MA
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in May
Dalton, MA

Average cloud cover in May - Dalton, MA
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in May
Dalton, MA

Average visibility in May - Dalton, MA
  • Average visibility in May: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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Dalton, Massachusetts, USA

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