Norwich weather in October

In October, Norwich sees average daytime highs of 63°F and overnight lows near 47°F, with 4.2 in of precipitation across 9.1 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 67°F in the first days to 58°F by the end. The sky is clear or mostly clear about 39% 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 Norwich's 1st-clearest and 7th-windiest month. For the whole year in context, see Norwich's year-round climate.

Daytime high
63°
6th warmest
Overnight low
47°
7th coldest
Precipitation
4.2 in
9.1 wet days
Daylight
10 h 54 min
6:07 AM – 4:59 PM
Cloud cover
53%
1st clearest
Wind
8 mph
7th windiest
Solar energy
3.12 kWh/m²
Travel score
5.6
out of 10

Norwich is city in New London County, Connecticut, United States.

Density
524/km²
people per km²
Founded
1659

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 67°F in the first days to 58°F by the end.

A typical October day in Norwich reaches about 63°F in the afternoon and slips back to 47°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 72°F. Set against its neighbours, October runs about 11°F cooler than September and about 11°F warmer than November.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16852
26852
36752
46751
56751
66651
76650
86550
96549
106549
116449
126448
136448
146348
156347
166347
176247
186246
196146
206146
216145
226045
236045
246044
255944
265944
275843
285843
295843
305742
315742

How October really feels in Norwich

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.

Norwich weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 24°3.69.759.30.0
Feb39° / 25°3.28.84.610.30.0
Mar46° / 32°4.410.43.911.71.4
Apr58° / 41°3.910.90.813.14.1
May67° / 50°3.210.5014.36.0
Jun76° / 60°3.810.5014.96.6
Jul82° / 66°3.510.2014.76.0
Aug80° / 65°4.210.3013.76.5
Sep73° / 58°4.08.7012.37.0
Oct63° / 47°4.29.10.110.95.6
Nov52° / 37°3.78.70.79.72.8
Dec42° / 29°4.510.63.590.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55347
65347
75347
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205446
215446
225446
235347
245347
255347
265248
275248
285248
295149
305149
315149

Chance of precipitation in October

Any precipitation

Norwich gets around 4.2 in of rain and snow over 9.1 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 30% 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
731
831
931
1031
1131
1230
1330
1430
1530
1629
1729
1829
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2928
3028
3129

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16317137
26417136
36716125
46816115
57015114
67115104
7741493
8741493
9771382
10771382
11791272
12791272
13811162
14831151
15831151
16841051
1786941
1886941
1987841
2087841
2187841
2289731
2389731
2490730
2590730
2690730
2790730
2891720
2991720
3091720
3191720

Wind in October

Winds average 8 mph in October.

Across October, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

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 5:50 AM to 6:25 AM, and sunset from 5:24 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:505:24
211.55:525:22
311.55:535:21
411.45:545:19
511.45:555:17
611.35:565:15
711.35:575:14
811.25:585:12
911.25:595:10
1011.16:015:09
1111.16:025:07
1211.06:035:06
1311.06:045:04
1411.06:055:02
1510.96:065:01
1610.96:074:59
1710.86:094:58
1810.86:104:56
1910.76:114:55
2010.76:124:53
2110.66:134:52
2210.66:154:50
2310.66:164:49
2410.56:174:47
2510.56:184:46
2610.46:194:45
2710.46:214:43
2810.36:224:42
2910.36:234:41
3010.36:244:40
3110.26:254:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.12 kWh/m².

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 6.18 kWh/m² in June across the year — October's 3.12 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in October

Hazard calendar for Norwich

In seasonPeak

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

Norwich 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 Norwich?

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

5.6
Sightseeing
6th-best month of the year
1.5
Beach & pool
6th-best month of the year

October is a reasonable time to visit Norwich for sightseeing.

What to pack for Norwich in October

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

In October, Norwich sees daytime highs around 63°F and nights near 47°F. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Norwich in October

The nearest coast averages about 62°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 25 mi away) is warmest in August at about 69°F and coldest in February near 39°F.

It's comfortable for a long swim from Jul 29 to Aug 30 — about 1.1 months when the water holds above 68°F.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°F)Comfort
Jan43Bracing
Feb39Bracing
Mar40Bracing
Apr44Bracing
May51Bracing
Jun60Cool
Jul67Cool
Aug69Refreshing
Sep67Cool
Oct62Cool
Nov55Bracing
Dec48Bracing

UV index in Norwich 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 Norwich peaks around July 10 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 10UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Norwich 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 Norwich is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1515 µg/m³Nov 206 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep10Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Norwich?

Norwich sits at 41.5°N, 72.1°W, 56 ft above sea level, in United States. The nearest listed city is Montville Center, 5.0 mi away.

Topography around Norwich

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

Within 2 miles, the terrain around Norwich has only modest variations in elevation — a maximum elevation change of 397 ft around an average of 157 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 650 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,325 ft.

The land around Norwich is covered by trees (76%) within 2 miles, trees (84%) within 10 miles, and trees (58%) and water (34%) within 50 miles.

2 miles
397 ft
10 miles
650 ft
50 miles
1,325 ft
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Montville Center 5.0 mi · Ledyard 6.8 mi · New London 12 mi · Windham 13 mi · Waterford 13 mi · Plainfield 14 mi · Willimantic 14 mi · Westerly 16 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 Norwich (41.5243°, -72.0759°, 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).