Southbridge weather in August

In August, Southbridge sees average daytime highs of 80°F and overnight lows near 62°F, with 4.4 in of rain across 10.5 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 81°F in the first days to 78°F by the end. The sky is clear or mostly clear about 31% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Southbridge's 3rd-clearest and 12th-windiest month. For the whole year in context, see Southbridge's year-round climate.

Daytime high
80°
2nd warmest
Overnight low
62°
11th coldest
Rainfall
4.4 in
10.5 wet days
Daylight
13 h 42 min
5:01 AM – 6:44 PM
Cloud cover
58%
3rd clearest
Wind
6 mph
12th windiest
Solar energy
5.16 kWh/m²
Travel score
6.5
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 81°F in the first days to 78°F by the end.

A typical August day in Southbridge reaches about 80°F in the afternoon and slips back to 62°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 88°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18264
28264
38264
48164
58164
68164
78164
88163
98163
108163
118063
128063
138063
148063
158062
168062
178062
188062
197962
207962
217961
227961
237961
247961
257861
267860
277860
287860
297860
307860
317759

How August really feels in Southbridge

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54852
64951
74852
84852
94753
104654
114654
124555
134654
144654
154654
164654
174753
184852
194951
204951
215149
225149
235248
245248
255248
265248
275248
285347
295347
305248
315347

Chance of precipitation in August

Any precipitation

Southbridge gets around 4.4 in of rain over 10.5 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
536
637
737
837
937
1037
1137
1237
1337
1437
1537
1636
1736
1835
1934
2033
2132
2232
2331
2430
2529
2629
2728
2828
2928
3027
3128

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 25% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1202226248
2202226248
3212225248
4212225238
5212225238
6212325239
7222325229
8222325229
9222325228
10222325228
11232325228
12232325228
13232325227
14232325217
15232425216
16232426216
17242526215
18242526215
19252525214
20252525204
21262625204
22272624203
23282623193
24292623193
25302722183
26312721173
27322721173
28332720163
29342720163
30342720153
31352720153

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:45 AM to 5:17 AM, and sunset from 7:03 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:457:03
214.34:467:02
314.24:477:01
414.24:487:00
514.24:496:59
614.14:506:57
714.14:516:56
814.04:526:55
914.04:536:54
1014.04:546:52
1113.94:556:51
1213.94:566:49
1313.84:586:48
1413.84:596:47
1513.85:006:45
1613.75:016:44
1713.75:026:42
1813.65:036:41
1913.65:046:39
2013.55:056:38
2113.55:066:36
2213.55:076:34
2313.45:086:33
2413.45:096:31
2513.35:106:30
2613.35:126:28
2713.25:136:26
2813.25:146:25
2913.15:156:23
3013.15:166:21
3113.05:176:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.16 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 — August's 5.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Southbridge?

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

6.5
Sightseeing
2nd-best month of the year
6.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Southbridge for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Southbridge in August

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

In August, Southbridge sees daytime highs around 80°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Southbridge in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — 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
August 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).