Amesbury weather in August

In August, Amesbury sees average daytime highs of 78°F and overnight lows near 64°F, with 3.3 in of rain across 8.7 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 79°F in the first days to 76°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 Amesbury's 3rd-clearest and 12th-windiest month. For the whole year in context, see Amesbury's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
64°
11th coldest
Rainfall
3.3 in
8.7 wet days
Daylight
13 h 48 min
4:55 AM – 6:41 PM
Cloud cover
55%
3rd clearest
Wind
6 mph
12th windiest
Solar energy
5.3 kWh/m²
Travel score
7.0
out of 10

Amesbury is city in Massachusetts.

Density
516/km²
people per km²
Founded
1642

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 76°F by the end.

A typical August day in Amesbury reaches about 78°F in the afternoon and slips back to 64°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 86°F. Set against its neighbours, August runs about 1°F cooler than July and about 7°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
17966
27966
37966
47966
57966
67965
77965
87965
97965
107965
117865
127865
137865
147865
157864
167864
177864
187864
197864
207864
217764
227763
237763
247763
257763
267763
277662
287662
297662
307662
317662

How August really feels in Amesbury

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.

Amesbury weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 21°3.39.66.29.20.0
Feb36° / 22°3.195.810.20.0
Mar43° / 29°4.211.1511.60.5
Apr54° / 40°3.810.71.213.13.2
May64° / 50°3.110.6014.45.5
Jun73° / 59°3.410.8015.16.5
Jul79° / 65°3.210.1014.86.6
Aug78° / 64°3.38.7013.77.0
Sep71° / 57°3.48.4012.36.9
Oct60° / 46°3.99.70.310.84.9
Nov49° / 37°3.59.419.52.1
Dec39° / 27°4.210.34.78.90.1

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 (%)
15347
25347
35446
45446
55446
65347
75248
85248
95248
105149
115149
125149
135149
145149
155149
165149
175248
185248
195347
205446
215545
225644
235743
245842
255842
265842
275842
285842
295842
305743
315743

Chance of precipitation in August

Any precipitation

Amesbury gets around 3.3 in of rain over 8.7 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 29% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
332
432
532
631
731
831
931
1031
1131
1231
1331
1430
1530
1630
1729
1829
1928
2027
2127
2226
2326
2425
2525
2625
2725
2825
2925
3025
3125

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1821283310
2921283210
3921283210
4921283210
51022283110
61022283110
71022293010
8102229309
9102229299
10112229299
11112330289
12112330288
13122330278
14122331277
15122431267
16132431266
17132431266
18132531265
19142531255
20152630254
21152730244
22162729244
23172828234
24182927224
25192927214
26203026204
27213026204
28223025194
29233025183
30243025183
31253024173

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
206calm
216calm
226calm
236calm
246calm
256calm
266calm
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 4:39 AM to 5:12 AM, and sunset from 7:01 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:397:01
214.34:407:00
314.34:416:59
414.34:426:57
514.24:436:56
614.24:446:55
714.14:456:54
814.14:466:52
914.14:476:51
1014.04:486:49
1114.04:496:48
1213.94:506:47
1313.94:526:45
1413.94:536:44
1513.84:546:42
1613.84:556:41
1713.74:566:39
1813.74:576:38
1913.64:586:36
2013.64:596:35
2113.55:006:33
2213.55:026:31
2313.45:036:30
2413.45:046:28
2513.45:056:26
2613.35:066:25
2713.35:076:23
2813.25:086:21
2913.25:096:19
3013.15:106:18
3113.15:126:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 5.97 kWh/m² in July across the year — August's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Amesbury

In seasonPeak

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

Amesbury 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 Amesbury?

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

7.0
Sightseeing
1st-best month of the year
6.5
Beach & pool
1st-best month of the year

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

What to pack for Amesbury in August

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

In August, Amesbury sees daytime highs around 78°F and nights near 64°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Amesbury in August

The nearest coast averages about 65°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 16 mi away) is warmest in August at about 65°F and coldest in March near 39°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
Feb40Bracing
Mar39Bracing
Apr42Bracing
May49Bracing
Jun57Bracing
Jul64Cool
Aug65Cool
Sep62Cool
Oct56Bracing
Nov49Bracing
Dec46Bracing

UV index in Amesbury 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 Amesbury peaks around July 10 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighHighModerateLowJul 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun7High
Jul7Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Amesbury in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Amesbury is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1715 µg/m³Nov 188 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar13Moderate
Apr13Moderate
May14Moderate
Jun13Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Amesbury?

Amesbury sits at 42.9°N, 70.9°W, 56 ft above sea level, in United States. The nearest listed city is Newburyport, 4.3 mi away.

Topography around Amesbury

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

Within 2 miles, the terrain around Amesbury has only modest variations in elevation — a maximum elevation change of 374 ft around an average of 108 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 413 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,329 ft.

The land around Amesbury is covered by trees (64%) within 2 miles, trees (61%) within 10 miles, and trees (62%) and water (30%) within 50 miles.

2 miles
374 ft
10 miles
413 ft
50 miles
2,329 ft
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Newburyport 4.3 mi · Haverhill 9.3 mi · Salem 14 mi · North Andover 15 mi · Lawrence 16 mi · Methuen 16 mi · Portsmouth 17 mi · Derry Village 19 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 Amesbury (42.8584°, -70.93°, elevation 56 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).