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Massachusetts United States

Weather in Suffolk County for May 2025

Your guide to Suffolk County weather in May - trends and predictions
  • In general, the average temperature in Suffolk County at the beginning of May is 15 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °F by the end of May.

  • With an average of 4 rainy days, Suffolk County experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.

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Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Suffolk County in May average weather

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Temperatures trend during May in Suffolk County

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /7° 7.5 mm 4
May 2 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /8° 4.4 mm 4
May 3 Patchy rain possible
Patchy rain possible
12° /7° 0.4 mm 3
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
10° /6° 5.9 mm 3
May 5 Patchy rain possible
Patchy rain possible
12° /6° 5 mm 3
May 6 Partly cloudy
Partly cloudy
20° /8° 2.8 mm 6
May 7 Overcast
Overcast
21° /10° 0.1 mm 5
May 8 Cloudy
Cloudy
19° /11° 3.5 mm 4
May 9 Partly cloudy
Partly cloudy
16° /8° 2.9 mm 5
May 10 Sunny
Sunny
17° /7° 0 mm 5
May 11 Patchy rain possible
Patchy rain possible
17° /9° 0.5 mm 4
May 12 Patchy rain possible
Patchy rain possible
18° /9° 0.3 mm 4
May 13 Cloudy
Cloudy
20° /11° 0.3 mm 5
May 14 Sunny
Sunny
21° /10° 0.7 mm 5
May 15 Partly cloudy
Partly cloudy
22° /11° 0.3 mm 6
May 16 Partly cloudy
Partly cloudy
21° /13° 1.2 mm 6
May 17 Patchy rain possible
Patchy rain possible
17° /9° 0.1 mm 4
May 18 Sunny
Sunny
17° /7° 0 mm 5
May 19 Overcast
Overcast
16° /8° 0.1 mm 4
May 20 Moderate or heavy rain shower
Moderate or heavy rain shower
18° /10° 18.5 mm 4
May 21 Overcast
Overcast
25° /12° 24.9 mm 6
May 22 Cloudy
Cloudy
23° /12° 0.3 mm 6
May 23 Sunny
Sunny
23° /12° 2.6 mm 6
May 24 Partly cloudy
Partly cloudy
25° /12° 1.2 mm 7
May 25 Partly cloudy
Partly cloudy
19° /10° 0 mm 6
May 26 Sunny
Sunny
21° /11° 0.2 mm 5
May 27 Sunny
Sunny
21° /10° 5.9 mm 5
May 28 Sunny
Sunny
28° /15° 0.9 mm 7
May 29 Sunny
Sunny
20° /12° 0.3 mm 5
May 30 Sunny
Sunny
18° /10° 0 mm 5
May 31 Sunny
Sunny
23° /9° 0 mm 6
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Important Notice
Our weather forecast for Suffolk County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Suffolk County forecast closer to your planned date for the most up-to-date weather information.

Suffolk County in May - FAQ

What are the expected maximum and minimum temperatures in Suffolk County during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Suffolk County during May?
Significant rainfall exceeding 166.9 mm is expected in Suffolk County during May, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Suffolk County during May?
The average wind speed in Suffolk County during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Suffolk County

Explore the daily rainfall trends and prepare for Suffolk Countys May weather 💧

UV exposure in Suffolk County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Suffolk County?

Get accurate weather forecasts for Suffolk County, located at latitude 42.358 and longitude -71.06. Stay updated with localized weather information tailored for Suffolk County.

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