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Newton Weather in May

May in Newton averages 21°C (70°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 90 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Newton in May

Analyzing past climate data, one can expect approximately 13 days of rain, averaging 90 mm (3.5 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Newton in May

Newton has excellent weather in May, with days reaching 21°C (70°F) and nights cooling to 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Newton in May

The month enjoys around 301 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Newton in May

Wind speeds average 6 m/s (12 knots) during May. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in May

With water temperatures around 9°C (48°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Newton.

Newton Temperature in May

Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Water Temperature
9°C (48°F) *
Chance of Rain
44%
Precipitation
90 mm (3.5 in)
Rainy days
13 days
Humidity
67% *
Windspeed
6 m/s (12 knots) *
Sunshine
301 hours *
Percentage Sunshine
59% *
* Data from: Boston, the United States of America (14 KM, 9 Miles).

Newton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Newton - and find the best time to visit.

Best Places in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Newton in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 9°C (48°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Newton in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Barbeque
    8/10
  • Camping
    4/10
  • Outdoor sports
    9/10

Newton 3-Day Forecast

Popular in May

Where to go in May - average daytime high across popular destinations.

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