Middletown in Summer

In summer (June, July and August), Middletown sees average daytime highs around 80°F and overnight lows near 64°F, with 11.6 in of rain over about 33 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Over the season highs climb from about 74°F in early June to 79°F by late August. The sky is clear or mostly clear about 28% of the time across summer, and the air most often feels humid.

Summer is Middletown's best season of the year to visit on our travel score. For the whole year in context, see Middletown's year-round climate.

Avg daytime high
80°F
warmest season of the year
Avg overnight low
64°F
Rainfall
11.6 in
33 wet days
Avg wind
6 mph
Travel score
6.2
best season of the year
Months
Jun · Jul · Aug

Temperature in Middletown in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 74°F in early June to 79°F by late August.

A typical summer day in Middletown reaches about 80°F and drops to 64°F overnight. The warmest of the three months is July, the coolest June.

40°60°80°JunJulAug

How summer really feels in Middletown

Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Middletown weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

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°3.811.70156.4
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°4.210.33.890.3

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Middletown gets around 11.6 in of rain over 33 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 6 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 48 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.9 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Middletown

In seasonPeak

In summer, Middletown overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Middletown 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 summer a good time to visit Middletown?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.2
Sightseeing
1st-best month of the year
6.4
Beach & pool
1st-best month of the year

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

What to pack for Middletown in Summer

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

In summer, Middletown sees daytime highs around 80°F and nights near 64°F. Pack light clothes and sun protection. Worth having: rain gear. About 33 days see rain.

light clothessun protectionrain gear

Sea temperature near Middletown in Summer

The nearest coast averages about 68°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 mi away) is warmest in August at about 72°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 8 to Sep 25 — about 2.6 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan40Bracing
Feb36Bracing
Mar38Bracing
Apr44Bracing
May53Bracing
Jun63Cool
Jul70Refreshing
Aug72Refreshing
Sep70Refreshing
Oct64Cool
Nov55Bracing
Dec47Bracing

UV index in Middletown in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Middletown 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 Middletown in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Middletown 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 Middletown?

Middletown sits at 41.6°N, 72.7°W, 39 ft above sea level, in United States. The nearest listed city is Meriden, 8.1 mi away.

Topography around Middletown

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

Within 2 miles, the terrain around Middletown has only modest variations in elevation — a maximum elevation change of 400 ft around an average of 98 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,027 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,923 ft.

The land around Middletown is covered by trees (54%) within 2 miles, trees (78%) within 10 miles, and trees (71%) and water (20%) within 50 miles.

2 miles
400 ft
10 miles
1,027 ft
50 miles
1,923 ft
treesgrasslandcroplandartificial surfaceswaterwetland
Summer weather nearby: Meriden 8.1 mi · New Britain 9.3 mi · Newington 9.9 mi · Wethersfield 11 mi · Glastonbury 11 mi · Wallingford 12 mi · Wallingford Center 12 mi · Southington 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 Middletown (41.5623°, -72.6506°, elevation 39 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.