Wallingford weather in August

In August, Wallingford sees average daytime highs of 81°F and overnight lows near 65°F, with 4.2 in of rain across 10.2 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 83°F in the first days to 79°F by the end. The sky is clear or mostly clear about 31% of the time in August, and the air most often feels humid.

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 Wallingford's 4th-clearest and 12th-windiest month. For the whole year in context, see Wallingford's year-round climate.

Daytime high
81°
2nd warmest
Overnight low
65°
11th coldest
Rainfall
4.2 in
10.2 wet days
Daylight
13 h 42 min
5:05 AM – 6:46 PM
Cloud cover
58%
4th clearest
Wind
6 mph
12th windiest
Solar energy
5.38 kWh/m²
Travel score
6.4
out of 10

Wallingford is town in New Haven County, Connecticut, United States.

Founded
1667

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 83°F in the first days to 79°F by the end.

A typical August day in Wallingford reaches about 81°F in the afternoon and slips back to 65°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 89°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)
18366
28366
38366
48366
58366
68266
78266
88266
98266
108266
118265
128265
138265
148165
158165
168165
178165
188164
198164
208164
218064
228064
238064
248063
258063
268063
278063
288063
297962
307962
317962

How August really feels in Wallingford

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.

Wallingford weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 23°3.49.55.49.30.0
Feb39° / 24°3.08.64.610.30.0
Mar47° / 31°4.110.53.611.71.5
Apr58° / 41°3.7110.613.14.2
May68° / 50°3.311.1014.36.0
Jun77° / 60°3.811.7014.96.4
Jul83° / 66°3.610.8014.75.7
Aug81° / 65°4.210.2013.76.4
Sep74° / 57°3.98.6012.37.0
Oct63° / 47°4.19.30.210.95.6
Nov52° / 37°3.48.40.89.72.8
Dec42° / 29°4.210.33.89.10.3

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 19% of August, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
25050
35050
45050
55050
65050
74951
84852
94852
104852
114852
124852
134753
144753
154852
164852
174852
184951
194951
205050
215149
225149
235248
245248
255248
265248
275347
285248
295248
305248
315347

Chance of precipitation in August

Any precipitation

Wallingford gets around 4.2 in of rain over 10.2 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 33% 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 (%)
136
236
336
435
535
635
736
836
936
1037
1137
1237
1337
1437
1536
1636
1735
1835
1934
2033
2132
2231
2330
2429
2528
2628
2727
2826
2926
3026
3126

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 26% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11418272913
21518262813
31518262813
41518262813
51518262713
61518272713
71518272713
81518272713
91618272713
101618272712
111619272712
121619272712
131619272711
141619272711
151619272711
161719272610
171720272610
18172027269
19182027269
20192027259
21202026258
22212126248
23222125248
24232125238
25242225228
26252224218
27262224218
28272224208
29272223198
30282323198
31282323188

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 4:50 AM to 5:21 AM, and sunset from 7:05 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:507:05
214.24:517:04
314.24:527:03
414.14:537:02
514.14:547:00
614.14:556:59
714.04:566:58
814.04:576:57
914.04:586:55
1013.94:596:54
1113.95:006:53
1213.85:016:51
1313.85:026:50
1413.85:036:49
1513.75:046:47
1613.75:056:46
1713.65:066:44
1813.65:076:43
1913.65:086:41
2013.55:096:40
2113.55:106:38
2213.45:116:37
2313.45:126:35
2413.35:136:33
2513.35:146:32
2613.25:156:30
2713.25:176:29
2813.25:186:27
2913.15:196:25
3013.15:206:24
3113.05:216:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.38 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 6.14 kWh/m² in June across the year — August's 5.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Hazard calendar for Wallingford

In seasonPeak

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

Wallingford 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 Wallingford?

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

6.4
Sightseeing
2nd-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Wallingford in August

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

In August, Wallingford sees daytime highs around 81°F and nights near 65°F. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Wallingford in August

The nearest coast averages about 73°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 23 mi away) is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 4 to Sep 28 — about 2.9 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb36Bracing
Mar37Bracing
Apr44Bracing
May54Bracing
Jun64Cool
Jul71Refreshing
Aug73Refreshing
Sep71Refreshing
Oct64Cool
Nov55Bracing
Dec46Bracing

UV index in Wallingford 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 Wallingford 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 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 highHighModerateLowJul 11UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Wallingford 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 Wallingford is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1120 µg/m³Nov 188 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr16Moderate
May19Moderate
Jun20Moderate
Jul20Moderate
Aug17Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Wallingford?

Wallingford sits at 41.5°N, 72.8°W, 89 ft above sea level, in United States. The nearest listed city is Wallingford Center, 0.6 mi away.

Topography around Wallingford

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

Within 2 miles, the terrain around Wallingford has only modest variations in elevation — a maximum elevation change of 394 ft around an average of 167 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,037 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,923 ft.

The land around Wallingford is covered by trees (67%) within 2 miles, trees (79%) within 10 miles, and trees (68%) and water (22%) within 50 miles.

2 miles
394 ft
10 miles
1,037 ft
50 miles
1,923 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Wallingford Center 0.6 mi · North Haven 5.0 mi · Cheshire 5.0 mi · Meriden 5.6 mi · Hamden 5.6 mi · Southington 9.9 mi · Middletown 12 mi · New Haven 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 Wallingford (41.457°, -72.8232°, elevation 89 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).