Norton weather in May

In May, Norton sees average daytime highs of 67°F and overnight lows near 49°F, with 3.1 in of rain across 10.6 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 72°F by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Norton's 11th-clearest and 8th-windiest month. For the whole year in context, see Norton's year-round climate.

Daytime high
67°
5th warmest
Overnight low
49°
8th coldest
Rainfall
3.1 in
10.6 wet days
Daylight
14 h 24 min
4:30 AM – 6:52 PM
Cloud cover
65%
11th clearest
Wind
7 mph
8th windiest
Solar energy
5.52 kWh/m²
Travel score
6.0
out of 10

Norton is town in Bristol County, Massachusetts, United States.

Founded
1669

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 63°F in the first days to 72°F by the end.

A typical May day in Norton reaches about 67°F in the afternoon and slips back to 49°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 80°F. Set against its neighbours, May runs about 10°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16345
26346
36346
46446
56446
66447
76447
86547
96547
106548
116548
126648
136648
146649
156749
166749
176749
186850
196850
206950
216951
226951
237051
247052
257052
267153
277153
287153
297254
307254
317254

How May really feels in Norton

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Norton weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 22°3.59.75.49.30.0
Feb39° / 24°3.18.74.810.30.0
Mar46° / 30°4.410.74.611.71.3
Apr58° / 40°3.710.90.913.14.0
May67° / 49°3.110.6014.36.0
Jun77° / 59°3.610.50156.6
Jul82° / 65°3.410.8014.75.9
Aug80° / 64°3.810.3013.76.5
Sep73° / 56°3.58.5012.37.0
Oct62° / 46°4.09.30.210.95.4
Nov51° / 36°3.590.89.62.7
Dec42° / 28°4.210.54.390.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43862
54060
64060
74060
83961
94060
104060
114060
124159
134159
144159
154159
164159
174258
184159
194159
204258
214258
224258
234258
244258
254258
264258
274258
284159
294258
304258
314159

Chance of precipitation in May

Any precipitation

Norton gets around 3.1 in of rain over 10.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
436
536
636
736
835
936
1036
1136
1236
1336
1435
1535
1635
1735
1835
1934
2034
2134
2234
2333
2433
2533
2632
2732
2832
2932
3033
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
293610
393610
492620
591720
691720
791720
890820
990820
1090820
1189920
1288930
1388930
1488930
15871030
16861031
17851041
18841141
19831151
20821251
21791362
22771472
23751582
24741682
25721693
267017103
276818113
286719113
296519124
306320134
316320134

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:48 AM to 4:18 AM, and sunset from 6:36 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:486:36
213.84:476:37
313.94:456:38
413.94:446:39
514.04:436:40
614.04:416:41
714.04:406:42
814.14:396:43
914.14:386:45
1014.24:376:46
1114.24:356:47
1214.24:346:48
1314.34:336:49
1414.34:326:50
1514.34:316:51
1614.44:306:52
1714.44:296:53
1814.44:286:54
1914.54:276:55
2014.54:266:56
2114.54:256:57
2214.64:246:58
2314.64:246:59
2414.64:237:00
2514.64:227:01
2614.74:217:02
2714.74:217:03
2814.74:207:04
2914.74:197:04
3014.84:197:05
3114.84:187:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.52 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.91 kWh/m² in June across the year — May's 5.52 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Norton

In seasonPeak

None of Norton's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Norton sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Norton?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.0
Sightseeing
4th-best month of the year
3.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Norton for sightseeing.

What to pack for Norton in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Norton sees daytime highs around 67°F and nights near 49°F. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Norton in May

The nearest coast averages about 53°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 mi away) is warmest in August at about 70°F and coldest in February near 37°F.

It's comfortable for a long swim from Jul 16 to Sep 8 — about 1.8 months when the water holds above 68°F.

30°40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan41Bracing
Feb37Bracing
Mar38Bracing
Apr44Bracing
May53Bracing
Jun61Cool
Jul68Refreshing
Aug70Refreshing
Sep67Cool
Oct62Cool
Nov54Bracing
Dec47Bracing

UV index in Norton in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Norton peaks around July 10 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighHighModerateLowJul 10UV 8Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Norton in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Norton is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Nov 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr14Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov8Good
Dec10Good
Location & terrain

Where is Norton?

Norton sits at 42.0°N, 71.2°W, 105 ft above sea level, in United States. The nearest listed city is Mansfield, 5.0 mi away.

Topography around Norton

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Norton.

Within 2 miles, the terrain around Norton has only modest variations in elevation — a maximum elevation change of 144 ft around an average of 125 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 535 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,752 ft.

The land around Norton is covered by trees (83%) within 2 miles, trees (83%) within 10 miles, and trees (59%) and water (32%) within 50 miles.

2 miles
144 ft
10 miles
535 ft
50 miles
1,752 ft
treesgrasslandartificial surfaceswaterwetland
May weather nearby: Mansfield 5.0 mi · Easton 5.0 mi · Attleboro 5.6 mi · Taunton 6.8 mi · North Attleborough Center 6.8 mi · Pawtucket 12 mi · Stoughton 12 mi · Central Falls 12 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Norton (41.9668°, -71.187°, elevation 105 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).