Norwich weather in March

In March, Norwich sees average daytime highs of 46°F and overnight lows near 32°F, with 4.4 in of precipitation across 10.4 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 43°F in the first days to 51°F by the end. The sky is clear or mostly clear about 28% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Norwich's 9th-clearest and 1st-windiest month. For the whole year in context, see Norwich's year-round climate.

Daytime high
46°
9th warmest
Overnight low
32°
4th coldest
Precipitation
4.4 in
10.4 wet days
Daylight
11 h 42 min
6:08 AM – 5:48 PM
Cloud cover
63%
9th clearest
Wind
8 mph
1st windiest
Solar energy
4.05 kWh/m²
Travel score
1.4
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 43°F in the first days to 51°F by the end.

A typical March day in Norwich reaches about 46°F in the afternoon and slips back to 32°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 35°F and 58°F. Set against its neighbours, March runs about 7°F warmer than February and about 11°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14228
24228
34328
44328
54329
64429
74429
84429
94429
104530
114530
124530
134531
144631
154631
164631
174632
184732
194732
204733
214833
224833
234934
244934
254934
265035
275035
285135
295136
305136
315236

How March really feels in Norwich

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Norwich weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 2nd-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44555
54456
64456
74456
84555
94555
104555
114555
124456
134555
144555
154555
164456
174456
184357
194357
204258
214258
224258
234258
244159
254159
264159
274060
284060
294060
304060
314060

Chance of precipitation in March

Any precipitationSnow

Norwich gets around 4.4 in of rain and snow over 10.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 37% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13517
23517
33417
43416
53416
63416
73415
83315
93315
103314
113214
123213
133213
143213
153212
163212
173212
183211
193211
203211
213310
223310
233410
24349
25359
26358
27368
28367
29367
30377
31376

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
23991
24991
25991
26991
27991
281000
291000
301000
311000

Wind in March

Winds average 8 mph in March, the windiest month of the year.

Across March, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light 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 March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over March. Sunrise moves from 6:33 AM to 5:42 AM, and sunset from 5:30 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:335:30
211.06:315:31
311.06:305:33
411.16:285:34
511.16:275:35
611.26:255:36
711.26:235:37
811.36:225:38
911.36:205:40
1011.46:185:41
1111.46:175:42
1211.56:155:43
1311.56:135:44
1411.66:125:45
1511.66:105:46
1611.76:085:48
1711.76:075:49
1811.86:055:50
1911.86:035:51
2011.86:015:52
2111.96:005:53
2211.95:585:54
2312.05:565:55
2412.05:545:57
2512.15:535:58
2612.15:515:59
2712.25:496:00
2812.25:476:01
2912.35:466:02
3012.35:446:03
3112.45:426:04

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.05 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 — March's 4.05 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.9Moderate
113.9Moderate
124.0Moderate
134.0Bright
144.0Bright
154.1Bright
164.1Bright
174.2Bright
184.2Bright
194.2Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in March

Hazard calendar for Norwich

In seasonPeak

None of Norwich's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 March a good time to visit Norwich?

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

1.4
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Norwich.

What to pack for Norwich in March

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

In March, Norwich sees daytime highs around 46°F and nights near 32°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Norwich in March

The nearest coast averages about 40°F in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — 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 March

GoodModeratePoorUnhealthyVery unhealthy

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