Southbridge weather in May

In May, Southbridge sees average daytime highs of 67°F and overnight lows near 49°F, with 3.4 in of rain across 11.3 wet days and about 14.4 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 Southbridge's 12th-clearest and 8th-windiest month. For the whole year in context, see Southbridge's year-round climate.

Daytime high
67°
5th warmest
Overnight low
49°
8th coldest
Rainfall
3.4 in
11.3 wet days
Daylight
14 h 24 min
4:33 AM – 6:56 PM
Cloud cover
66%
12th clearest
Wind
7 mph
8th windiest
Solar energy
5.5 kWh/m²
Travel score
5.9
out of 10

Southbridge is city in Worcester County, Massachusetts, USA.

Density
351/km²
people per km²
Founded
1730

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 Southbridge reaches about 67°F in the afternoon and slips back to 49°F overnight — a 19°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)
16244
26244
36345
46345
56345
66446
76446
86446
96546
106547
116547
126547
136647
146648
156648
166748
176749
186749
196849
206849
216950
226950
236951
247051
257051
267152
277152
287152
297253
307253
317253

How May really feels in Southbridge

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.

Southbridge 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
Jan34° / 20°3.49.76.29.30.0
Feb37° / 21°3.18.65.410.30.0
Mar45° / 29°4.210.54.811.70.9
Apr57° / 39°3.711.51.213.13.8
May67° / 49°3.411.3014.45.9
Jun76° / 58°4.211.80156.4
Jul82° / 64°4.011.1014.76.2
Aug80° / 62°4.410.5013.76.5
Sep72° / 55°4.09.1012.36.9
Oct61° / 44°4.29.90.310.85.0
Nov49° / 34°3.59.11.19.62.1
Dec39° / 26°4.310.75.190.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43763
53862
63862
73961
83961
93961
104060
114060
124060
133961
144060
154159
164159
174159
184159
194159
204060
214060
224159
234159
244060
254159
264060
274159
284060
294159
304060
314159

Chance of precipitation in May

Any precipitation

Southbridge gets around 3.4 in of rain over 11.3 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 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
437
537
637
737
838
938
1038
1138
1238
1338
1438
1538
1637
1737
1837
1937
2037
2136
2236
2336
2435
2535
2635
2735
2835
2935
3035
3136

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195410
294510
394510
493520
593520
692620
792620
892620
991720
1091720
1190730
1289830
1389830
1489830
1589830
1687940
1787940
18861040
19851050
20841150
21821161
22801271
23791371
24771481
25761491
26751591
277216102
287117102
297017112
306918112
316818122

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
67light breeze
77light breeze
87light breeze
97light breeze
107light breeze
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 4:51 AM to 4:21 AM, and sunset from 6:39 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:516:39
213.84:506:40
313.94:496:42
413.94:476:43
514.04:466:44
614.04:456:45
714.04:436:46
814.14:426:47
914.14:416:48
1014.24:406:49
1114.24:396:50
1214.24:376:51
1314.34:366:52
1414.34:356:54
1514.34:346:55
1614.44:336:56
1714.44:326:57
1814.44:316:58
1914.54:306:59
2014.54:297:00
2114.54:287:01
2214.64:287:02
2314.64:277:03
2414.64:267:04
2514.74:257:05
2614.74:247:05
2714.74:247:06
2814.74:237:07
2914.84:227:08
3014.84:227:09
3114.84:217:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.5 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.88 kWh/m² in June across the year — May's 5.5 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
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Southbridge?

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

5.9
Sightseeing
5th-best month of the year
2.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Southbridge for sightseeing.

What to pack for Southbridge in May

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

In May, Southbridge 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

UV index in Southbridge in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Southbridge peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 highHighModerateLowJul 11UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Southbridge?

Southbridge sits at 42.1°N, 72.0°W, 492 ft above sea level, in United States. The nearest listed city is Auburn, 13 mi away.

Topography around Southbridge

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

Within 2 miles, the terrain around Southbridge has only modest variations in elevation — a maximum elevation change of 469 ft around an average of 617 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,043 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,024 ft.

The land around Southbridge is covered by trees (80%) within 2 miles, trees (87%) within 10 miles, and trees (88%) within 50 miles.

2 miles
469 ft
10 miles
1,043 ft
50 miles
2,024 ft
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Auburn 13 mi · Palmer 16 mi · Worcester 17 mi · Killingly Center 19 mi · Grafton 20 mi · Holden 21 mi · Storrs 22 mi · Shrewsbury 22 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 Southbridge (42.0751°, -72.0334°, elevation 492 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).