East Haven weather in October

In October, East Haven sees average daytime highs of 62°F and overnight lows near 53°F, with 4.8 in of precipitation across 9.7 wet days and about 10.9 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 66°F in the first days to 57°F by the end. The sky is clear or mostly clear about 40% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is East Haven's 1st-clearest and 5th-windiest month. For the whole year in context, see East Haven's year-round climate.

Daytime high
62°
5th warmest
Overnight low
53°
8th coldest
Precipitation
4.8 in
9.7 wet days
Daylight
10 h 54 min
6:10 AM – 5:03 PM
Cloud cover
53%
1st clearest
Wind
12 mph
5th windiest
Solar energy
3.15 kWh/m²
Travel score
5.3
out of 10

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

Founded
1707

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 66°F in the first days to 57°F by the end.

A typical October day in East Haven reaches about 62°F in the afternoon and slips back to 53°F overnight — a 9°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 69°F. Set against its neighbours, October runs about 10°F cooler than September and about 10°F warmer than November.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16758
26658
36657
46657
56557
66556
76556
86456
96455
106455
116355
126354
136354
146254
156253
166253
176153
186152
196152
206052
216051
226051
235951
245950
255950
265850
275849
285849
295749
305748
315748

How October really feels in East Haven

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 28°3.99.94.69.40.0
Feb38° / 28°3.58.94.210.30.0
Mar43° / 34°4.810.53.311.70.5
Apr52° / 43°4.211.10.513.12.7
May61° / 52°3.510.9014.35.0
Jun71° / 62°3.79.8014.96.6
Jul77° / 69°3.19014.77.0
Aug77° / 68°3.99.2013.77.1
Sep71° / 63°4.18.7012.36.9
Oct62° / 53°4.89.70.110.95.3
Nov52° / 43°4.09.30.59.72.7
Dec43° / 34°5.110.939.10.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55644
65644
75644
85644
95644
105644
115644
125545
135644
145644
155644
165545
175545
185545
195545
205446
215446
225446
235347
245347
255248
265248
275149
285050
295050
305050
314852

Chance of precipitation in October

Any precipitation

East Haven gets around 4.8 in of rain and snow over 9.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
932
1032
1132
1232
1332
1432
1532
1632
1732
1831
1931
2031
2131
2231
2331
2431
2531
2631
2731
2830
2930
3030
3130

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15421169
25521168
35621158
45821147
56021136
66121126
76221125
86420115
96620104
106620104
11691993
12701893
13721882
14741772
15741772
16761671
17781561
18791461
19801361
20821251
21831151
22851050
23851050
2486950
2587940
2688840
2788840
2888840
2989830
3089830
3189830

Wind in October

Winds average 12 mph in October.

Across October, daily wind ranges from about 11 mph on the calmest days to 13 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412breezy
2512breezy
2612breezy
2713breezy
2813breezy
2913breezy
3013breezy
3113breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 5:54 AM to 6:28 AM, and sunset from 5:27 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:545:27
211.55:555:26
311.55:565:24
411.45:575:22
511.45:585:21
611.35:595:19
711.36:005:17
811.26:015:16
911.26:025:14
1011.16:035:12
1111.16:055:11
1211.16:065:09
1311.06:075:07
1411.06:085:06
1510.96:095:04
1610.96:105:03
1710.86:115:01
1810.86:135:00
1910.76:144:58
2010.76:154:57
2110.76:164:55
2210.66:174:54
2310.66:194:52
2410.56:204:51
2510.56:214:50
2610.46:224:48
2710.46:234:47
2810.46:244:46
2910.36:264:44
3010.36:274:43
3110.26:284:42

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.15 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 6.26 kWh/m² in June across the year — October's 3.15 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.6Moderate
Planning a trip in October

Hazard calendar for East Haven

In seasonPeak

In October, East Haven sits inside 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.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit East Haven?

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

5.3
Sightseeing
5th-best month of the year
1.2
Beach & pool
5th-best month of the year

October is a reasonable time to visit East Haven for sightseeing.

What to pack for East Haven in October

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

In October, East Haven sees daytime highs around 62°F and nights near 53°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near East Haven in October

The nearest coast averages about 64°F in October — 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.

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 East Haven in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 11UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in East Haven in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

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 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.

2 miles
302 ft
10 miles
722 ft
50 miles
1,752 ft
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Branford 2.5 mi · New Haven 3.7 mi · West Haven 4.3 mi · North Haven 8.1 mi · Hamden 8.7 mi · Guilford 9.9 mi · Milford 11 mi · City of Milford (balance) 11 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 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. 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).