May weather forecast
Hamilton, MA

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Weather in May

May, the last month of the spring in Hamilton, is a refreshing month, with an average temperature fluctuating between 49.8°F (9.9°C) and 59.7°F (15.4°C).

Temperature

With the onset of May, Hamilton's weather sees a minor temperature rise, transitioning from a cool 50.9°F (10.5°C) in April to a moderate 59.7°F (15.4°C). The low-temperature average for Hamilton during May stands at a chilly 49.8°F (9.9°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In May, the rain falls for 12.3 days. Throughout May, 0.67" (17mm) of precipitation is accumulated. In Hamilton, during the entire year, the rain falls for 113.7 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 38min.
On the first day of May, sunrise is at 5:36 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:14 pm EDT.

Sunshine

In Hamilton, the average sunshine in May is 8.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The average high-temperature and low-temperature during May are 59.7°F (15.4°C) and 49.8°F (9.9°C) respectively.

What is the average humidity in May?

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

How many days does it rain in May in Hamilton?

In Hamilton, in May, during 12.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Hamilton have in May?

The average day length in May is 14h and 38min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:36 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:14 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.7h.

What is the UV index reading in May?

In Hamilton, 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hamilton, MA

Average temperature in May - Hamilton, MA
  • Average high temperature in May: 59.7°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 49.8°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in May
Hamilton, MA

Average pressure in May - Hamilton, 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).

Average wind speed in May
Hamilton, MA

Average wind speed in May - Hamilton, MA
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in May
Hamilton, MA

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

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in May
Hamilton, MA

Average rainfall in May - Hamilton, MA
  • Average rainfall in May: 0.67"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in May
Hamilton, MA

Average rainfall days in May - Hamilton, MA
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in May
Hamilton, MA

Average snowfall in May - Hamilton, MA
  • Average snowfall in May: 0"

The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Hamilton, MA

Average snowfall days in May - Hamilton, MA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Hamilton, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in May
Hamilton, MA

Average sunshine days in May - Hamilton, MA
  • Average sunshine days in May: 16.3 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).

Average UV index in May
Hamilton, MA

Average UV index in May - Hamilton, MA
  • Average UV index in May: 5

The months with the highest UV index are 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
Hamilton, MA

Average cloud cover in May - Hamilton, MA
  • Average cloud cover in May: 44

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in May
Hamilton, MA

Average visibility in May - Hamilton, 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).

Hamilton, Massachusetts, USA

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