May weather forecast
South Hadley, MA

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Weather in May

May, the last month of the spring in South Hadley, is a pleasant month, with an average temperature fluctuating between 68°F (20°C) and 47.8°F (8.8°C).

Temperature

May shows a rise in the average high-temperature, moving from April's mild 55.9°F (13.3°C) to an agreeable 68°F (20°C). South Hadley records an average low of 47.8°F (8.8°C) throughout the nights in May.

Humidity

The average relative humidity in May in South Hadley, Massachusetts, is 74%.

Rainfall

In May, in South Hadley, Massachusetts, the rain falls for 14 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in South Hadley, Massachusetts, there are 136.4 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in South Hadley. May is the last month it regularly snows. During 0.1 snowfall days, in May, South Hadley aggregates 0.2" (5mm) of snow. Throughout the year, in South Hadley, there are 25.6 snowfall days, and 6.93" (176mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 37min.
On the first day of May, sunrise is at 5:44 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:19 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In South Hadley, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average May temperature in South Hadley?

The high-temperature during May is 68°F (20°C) and the low-temperature is 47.8°F (8.8°C).

What is the average humidity in May in South Hadley?

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

How many days does it rain in May in South Hadley?

In South Hadley, during May, the rain falls for 14 days and regularly aggregates up to 1.81" (46mm) of precipitation.

What is the last month it snows in South Hadley?

May is the last month it regularly snows in South Hadley, Massachusetts. During 0.1 snowfall days, in May, South Hadley aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in South Hadley?

In South Hadley, Massachusetts, the average day length in May is 14h and 37min.

When are sunrise and sunset in May in South Hadley?

On the first day of May, sunrise is at 5:44 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:19 pm EDT.

How many hours of sunshine does South Hadley have in May?

In May, the average sunshine duration is 8.6h.

How high is the UV index in May in South Hadley?

In May, the average daily maximum UV index in South Hadley is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
South Hadley, MA

Average temperature in May - South Hadley, MA
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in May
South Hadley, MA

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
South Hadley, MA

Average wind speed in May - South Hadley, MA
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
South Hadley, MA

Average humidity in May - South Hadley, MA
  • Average humidity in May: 74%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in May
South Hadley, MA

Average rainfall in May - South Hadley, MA
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in May
South Hadley, MA

Average rainfall days in May - South Hadley, MA
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in May
South Hadley, MA

Average snowfall in May - South Hadley, MA
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
South Hadley, MA

Average snowfall days in May - South Hadley, MA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (7.5 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
South Hadley, MA

Average daylight in May / Average sunshine in May - South Hadley, 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 months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
South Hadley, MA

Average sunshine days in May - South Hadley, MA
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is June (13.8 days).

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Average UV index in May
South Hadley, MA

Average UV index in May - South Hadley, 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
South Hadley, MA

Average cloud cover in May - South Hadley, MA
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
South Hadley, MA

Average visibility in May - South Hadley, MA
  • Average visibility in May: 5mi

The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).

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South Hadley, Massachusetts, USA

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