May weather forecast
Waverley, MA

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Weather in May

The last month of the spring, May, is a comfortable month in Waverley, Massachusetts, with an average temperature ranging between max 66.7°F (19.3°C) and min 49.6°F (9.8°C).

Temperature

An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 55.8°F (13.2°C) to an enjoyable 66.7°F (19.3°C). In the month of May, an average of 49.6°F (9.8°C) marks the low-temperature.

Humidity

In May, the average relative humidity is 72%.

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 1.97" (50mm) of precipitation is accumulated. In Waverley, during the entire year, the rain falls for 142.8 days and collects up to 27.36" (695mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Waverley aggregates 0.16" (4mm) of snow. Throughout the year, there are 29.6 snowfall days, and 17.8" (452mm) of snow is accumulated.

Daylight

In Waverley, the average length of the day in May is 14h and 37min.
On the first day of the month, sunrise is at 5:38 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:14 pm EDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What are the temperatures in May?

In Waverley, in May, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in May?

In Waverley, Massachusetts, the average relative humidity in May is 72%.

How much does it rain in May?

In Waverley, during May, the rain falls for 15.3 days and regularly aggregates up to 1.97" (50mm) of precipitation.

What is the last month it snows?

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

How many hours of daylight does Waverley have in May?

In May, the average day length is 14h and 37min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:38 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:14 pm EDT.

How many hours of sunshine does Waverley have in May?

In May, the average sunshine duration is 8.4h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Waverley, MA

Average temperature in May - Waverley, MA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in May
Waverley, MA

Average pressure in May - Waverley, MA
  • Average pressure in May: 30.01"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).

Average wind speed in May
Waverley, MA

Average wind speed in May - Waverley, MA
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in May
Waverley, MA

Average humidity in May - Waverley, MA
  • Average humidity in May: 72%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in May
Waverley, MA

Average rainfall in May - Waverley, MA
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in May
Waverley, MA

Average rainfall days in May - Waverley, MA
  • Average rainfall days in May: 15.3 days

The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May
Waverley, MA

Average snowfall in May - Waverley, MA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Waverley, MA

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

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Waverley, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Waverley, MA

Average sunshine days in May - Waverley, MA
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in May
Waverley, MA

Average UV index in May - Waverley, 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).

Average cloud cover in May
Waverley, MA

Average cloud cover in May - Waverley, 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 32).

Average visibility in May
Waverley, MA

Average visibility in May - Waverley, MA
  • Average visibility in May: 6mi

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

Waverley, Massachusetts, USA

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