East Haven in Summer
In summer (June, July and August), East Haven sees average daytime highs around 75°F and overnight lows near 66°F, with 10.7 in of rain over about 28 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 67°F in early June to 75°F by late August. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels muggy.
Summer is East Haven's best season of the year to visit on our travel score. For the whole year in context, see East Haven's year-round climate.
- Avg daytime high
- 75°F
- warmest season of the year
- Avg overnight low
- 66°F
- Rainfall
- 10.7 in
- 28 wet days
- Avg wind
- 9 mph
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in East Haven in Summer
Over the season highs climb from about 67°F in early June to 75°F by late August.
A typical summer day in East Haven reaches about 75°F and drops to 66°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in East Haven
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.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
East Haven 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.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 37° / 28° | 3.9 | 9.9 | 4.6 | 9.4 | 0.0 |
| Feb | 38° / 28° | 3.5 | 8.9 | 4.2 | 10.3 | 0.0 |
| Mar | 43° / 34° | 4.8 | 10.5 | 3.3 | 11.7 | 0.5 |
| Apr | 52° / 43° | 4.2 | 11.1 | 0.5 | 13.1 | 2.7 |
| May | 61° / 52° | 3.5 | 10.9 | 0 | 14.3 | 5.0 |
| Jun | 71° / 62° | 3.7 | 9.8 | 0 | 14.9 | 6.6 |
| Jul | 77° / 69° | 3.1 | 9 | 0 | 14.7 | 7.0 |
| Aug | 77° / 68° | 3.9 | 9.2 | 0 | 13.7 | 7.1 |
| Sep | 71° / 63° | 4.1 | 8.7 | 0 | 12.3 | 6.9 |
| Oct | 62° / 53° | 4.8 | 9.7 | 0.1 | 10.9 | 5.3 |
| Nov | 52° / 43° | 4.0 | 9.3 | 0.5 | 9.7 | 2.7 |
| Dec | 43° / 34° | 5.1 | 10.9 | 3 | 9.1 | 0.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
East Haven gets around 10.7 in of rain over 28 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Hazard calendar for East Haven
In summer, East Haven overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
East Haven sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit East Haven?
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.
summer is a reasonable time to visit East Haven for sightseeing.
What to pack for East Haven in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, East Haven sees daytime highs around 75°F and nights near 66°F. Pack sun protection. Worth having: light clothes and rain gear. About 28 days see rain.
Sea temperature near East Haven in Summer
The nearest coast averages about 69°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 11 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 39 | 36 | 37 | 44 | 54 | 64 | 71 | 73 | 71 | 64 | 55 | 46 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 39 | Bracing |
| Feb | 36 | Bracing |
| Mar | 37 | Bracing |
| Apr | 44 | Bracing |
| May | 54 | Bracing |
| Jun | 64 | Cool |
| Jul | 71 | Refreshing |
| Aug | 73 | Refreshing |
| Sep | 71 | Refreshing |
| Oct | 64 | Cool |
| Nov | 55 | Bracing |
| Dec | 46 | Bracing |
UV index in East Haven in Summer
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 East Haven 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 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 6 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in East Haven in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in East Haven 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 13 | 14 | 16 | 19 | 20 | 20 | 17 | 13 | 9 | 8 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 13 | Moderate |
| Mar | 14 | Moderate |
| Apr | 16 | Moderate |
| May | 19 | Moderate |
| Jun | 20 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 13 | Moderate |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 9 | Good |
Where is East Haven?
East Haven sits at 41.3°N, 72.9°W, 23 ft above sea level, in United States. The nearest listed city is Branford, 2.5 mi away.
Topography around East Haven
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of East Haven.
Within 2 miles, the terrain around East Haven has only modest variations in elevation — a maximum elevation change of 302 ft around an average of 56 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 722 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,752 ft.
The land around East Haven is covered by trees (57%) and artificial surfaces (20%) within 2 miles, trees (44%) and water (40%) within 10 miles, and trees (59%) and water (33%) within 50 miles.
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
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 East Haven (41.2762°, -72.8684°, elevation 23 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.