May weather forecast
Brookline, NH

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Weather in May

The last month of the spring, May, is a comfortable month in Brookline, New Hampshire, with an average temperature varying between 67.3°F (19.6°C) and 47.7°F (8.7°C).

Temperature

As Brookline transitions into May, a rise in the average high-temperature is observed, moving from a fresh 55.2°F (12.9°C) in April to an enjoyable 67.3°F (19.6°C). In Brookline, the expected average low-temperature for May is a frosty 47.7°F (8.7°C).

Humidity

In Brookline, the average relative humidity in May is 73%.

Rainfall

In Brookline, New Hampshire, during May, the rain falls for 15.3 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Brookline, during the entire year, the rain falls for 147.4 days and collects up to 28.46" (723mm) of precipitation.

Snowfall

Months with snowfall in Brookline are January through May, October through December. May is the last month it regularly snows in Brookline. During 0.1 snowfall days, in May, Brookline aggregates 0.16" (4mm) of snow. In Brookline, during the entire year, snow falls for 35.7 days and aggregates up to 25.35" (644mm) of snow.

Daylight

In May, the average length of the day in Brookline is 14h and 39min.
On the first day of the month, sunrise is at 5:39 am and sunset at 7:47 pm. On the last day of May, in Brookline, New Hampshire, sunrise is at 5:11 am and sunset at 8:17 pm EDT.

Sunshine

In May, the average sunshine in Brookline is 8.5h.

UV index

In May, the average daily maximum UV index in Brookline is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the usual temperature for Brookline in May?

May temperatures in Brookline vary between a high-temperature of 67.3°F (19.6°C) and a low-temperature of 47.7°F (8.7°C).

What is the average humidity in May in Brookline?

In Brookline, the average relative humidity in May is 73%.

How much does it rain in Brookline in May?

In Brookline, during May, the rain falls for 15.3 days and regularly aggregates up to 2.13" (54mm) of precipitation.

What is the last month it snows in Brookline?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Brookline aggregates 0.16" (4mm) of snow.

How many hours of daylight does Brookline have in May?

The average day length in May in Brookline is 14h and 39min.

When is the sunrise / sunset in May in Brookline?

On the first day of May in Brookline, New Hampshire, sunrise is at 5:39 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:17 pm EDT.

How long on average sun shines in May in Brookline?

The average sunshine duration in May in Brookline is 8.5h.

What is the UV index reading in May in Brookline?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Brookline, NH

Average temperature in May - Brookline, NH
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in May: 47.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in May
Brookline, NH

Average pressure in May - Brookline, NH
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Brookline, NH

Average wind speed in May - Brookline, NH
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in May
Brookline, NH

Average humidity in May - Brookline, NH
  • Average humidity in May: 73%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Brookline, NH

Average rainfall in May - Brookline, NH
  • Average rainfall in May: 2.13"

The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in May
Brookline, NH

Average rainfall days in May - Brookline, NH
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in May
Brookline, NH

Average snowfall in May - Brookline, NH
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Brookline, NH

Average snowfall days in May - Brookline, NH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.1 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
Brookline, NH

Average daylight in May / Average sunshine in May - Brookline, NH
  • 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Brookline, NH

Average sunshine days in May - Brookline, NH
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (13.2 days).

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Average UV index in May
Brookline, NH

Average UV index in May - Brookline, NH
  • 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
Brookline, NH

Average cloud cover in May - Brookline, NH
  • 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 34).

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Average visibility in May
Brookline, NH

Average visibility in May - Brookline, NH
  • Average visibility in May: 5mi

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

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Brookline, New Hampshire, USA

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