Saco weather in August

In August, Saco sees average daytime highs of 77°F and overnight lows near 62°F, with 2.9 in of rain across 8.4 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 79°F in the first days to 75°F by the end. The sky is clear or mostly clear about 35% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Saco's 3rd-clearest and 12th-windiest month. For the whole year in context, see Saco's year-round climate.

Daytime high
77°
2nd warmest
Overnight low
62°
11th coldest
Rainfall
2.9 in
8.4 wet days
Daylight
13 h 48 min
4:52 AM – 6:40 PM
Cloud cover
55%
3rd clearest
Wind
6 mph
12th windiest
Solar energy
5.45 kWh/m²
Travel score
7.1
out of 10

Saco is city in York County, Maine, United States.

Density
140/km²
people per km²
Founded
1630

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 79°F in the first days to 75°F by the end.

A typical August day in Saco reaches about 77°F in the afternoon and slips back to 62°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 85°F. Set against its neighbours, August runs on par with July and about 7°F warmer than September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17964
27964
37864
47864
57864
67864
77864
87864
97863
107863
117863
127863
137863
147863
157763
167763
177762
187762
197762
207762
217762
227762
237662
247661
257661
267661
277661
287660
297560
307560
317560

How August really feels in Saco

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.

Saco weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 19°3.39.46.69.10.0
Feb34° / 19°3.18.86.210.20.0
Mar41° / 27°4.110.65.511.60.3
Apr53° / 38°3.810.11.613.22.9
May63° / 47°2.910.10.114.55.3
Jun73° / 57°3.410015.26.6
Jul78° / 64°2.99.2014.96.8
Aug77° / 62°2.98.4013.87.1
Sep70° / 55°3.28.2012.36.8
Oct59° / 45°4.39.70.210.84.6
Nov48° / 35°3.59.21.39.51.7
Dec38° / 26°4.210.25.48.80.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35248
45248
55248
65149
75248
85248
95248
105149
115149
125149
135149
145248
155248
165248
175347
185446
195446
205545
215644
225743
235842
245941
255941
265941
275941
286040
296040
305941
315941

Chance of precipitation in August

Any precipitation

Saco gets around 2.9 in of rain over 8.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
529
629
729
829
930
1030
1130
1230
1330
1430
1530
1629
1729
1828
1927
2027
2126
2225
2325
2424
2524
2624
2723
2823
2923
3023
3123

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
192332306
292432306
392432296
4102432296
5102433285
6102433285
7102334275
8112334275
9112335265
10112336255
11122336254
12122337244
13122337244
14132337234
15132338234
16132338224
17142337224
18142437213
19152437213
20162436213
21172535213
22182534203
23192633203
24202631203
25222730192
26232729192
27242728192
28252827182
29262826182
30282825172
31292825172

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 7 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
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:35 AM to 5:09 AM, and sunset from 7:01 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:357:01
214.44:366:59
314.44:376:58
414.34:386:57
514.34:396:56
614.24:406:54
714.24:426:53
814.24:436:52
914.14:446:50
1014.14:456:49
1114.04:466:48
1214.04:476:46
1313.94:486:45
1413.94:496:43
1513.94:516:42
1613.84:526:40
1713.84:536:38
1813.74:546:37
1913.74:556:35
2013.64:566:34
2113.64:576:32
2213.54:596:30
2313.55:006:29
2413.45:016:27
2513.45:026:25
2613.35:036:24
2713.35:046:22
2813.25:056:20
2913.25:076:18
3013.15:086:16
3113.15:096:15

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.45 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.12 kWh/m² in July across the year — August's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in August

Hazard calendar for Saco

In seasonPeak

In August, Saco sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Saco 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 August a good time to visit Saco?

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

7.1
Sightseeing
1st-best month of the year
6.4
Beach & pool
1st-best month of the year

August is one of the better times to visit Saco for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Saco in August

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

In August, Saco sees daytime highs around 77°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Saco in August

The nearest coast averages about 64°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 9 mi away) is warmest in August at about 64°F and coldest in March near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar38Bracing
Apr42Bracing
May48Bracing
Jun56Bracing
Jul62Cool
Aug64Cool
Sep61Cool
Oct55Bracing
Nov49Bracing
Dec45Bracing

UV index in Saco in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saco peaks around July 12 at about 7 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateModerateLowJul 12UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun7High
Jul7Very high
Aug4Moderate
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Saco?

Saco sits at 43.5°N, 70.4°W, 66 ft above sea level, in United States. The nearest listed city is Biddeford, 0.6 mi away.

Topography around Saco

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

Within 2 miles, the terrain around Saco has only modest variations in elevation — a maximum elevation change of 223 ft around an average of 95 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 463 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,933 ft.

The land around Saco is covered by trees (65%) within 2 miles, trees (59%) and water (24%) within 10 miles, and trees (61%) and water (34%) within 50 miles.

2 miles
223 ft
10 miles
463 ft
50 miles
2,933 ft
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Biddeford 0.6 mi · West Scarborough 5.6 mi · South Portland Gardens 11 mi · Westbrook 12 mi · South Portland 14 mi · Portland 14 mi · Sanford 17 mi · Rochester 30 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 Saco (43.5009°, -70.4428°, elevation 66 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).