Hamden weather in March

In March, Hamden sees average daytime highs of 46°F and overnight lows near 31°F, with 4.2 in of precipitation across 10.7 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 Hamden's 9th-clearest and 1st-windiest month. For the whole year in context, see Hamden's year-round climate.

Daytime high
46°
9th warmest
Overnight low
31°
4th coldest
Precipitation
4.2 in
10.7 wet days
Daylight
11 h 42 min
6:12 AM – 5:51 PM
Cloud cover
62%
9th clearest
Wind
8 mph
1st windiest
Solar energy
4.03 kWh/m²
Travel score
1.4
out of 10

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

Density
694/km²
people per km²
Founded
1786

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 Hamden reaches about 46°F in the afternoon and slips back to 31°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 59°F. Set against its neighbours, March runs about 8°F warmer than February and about 12°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14227
24228
34328
44328
54328
64428
74429
84429
94429
104429
114529
124530
134530
144630
154631
164631
174631
184731
194732
204732
214832
224833
234933
244933
254934
265034
275035
285135
295135
305136
315236

How March really feels in Hamden

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.

Hamden 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° / 23°3.59.55.69.40.0
Feb39° / 24°3.08.64.810.30.0
Mar46° / 31°4.210.73.711.71.4
Apr58° / 41°3.811.20.813.14.1
May68° / 50°3.411.4014.36.0
Jun77° / 60°3.911.3014.96.5
Jul83° / 66°3.510.9014.75.7
Aug81° / 64°4.110.3013.76.4
Sep74° / 57°4.09.1012.36.9
Oct62° / 46°4.29.10.210.95.5
Nov51° / 37°3.58.50.89.72.6
Dec41° / 29°4.210.149.10.3

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 16% of March, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54456
64555
74555
84555
94555
104555
114555
124555
134456
144456
154456
164456
174357
184357
194456
204357
214357
224357
234357
244258
254258
264258
274159
284159
294159
304159
314159

Chance of precipitation in March

Any precipitationSnow

Hamden gets around 4.2 in of rain and snow over 10.7 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 38% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13417
23417
33517
43516
53516
63515
73415
83415
93414
103414
113413
123313
133313
143312
153312
163312
173312
183311
193311
203310
213310
223410
23349
24359
25358
26368
27367
28377
29376
30386
31386

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
231000
241000
251000
26991
27991
28991
29991
30991
31991

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
18light breeze
28light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light 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 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 6:36 AM to 5:46 AM, and sunset from 5:34 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:365:34
211.06:355:35
311.16:335:36
411.16:315:37
511.16:305:38
611.26:285:39
711.26:275:41
811.36:255:42
911.36:235:43
1011.46:225:44
1111.46:205:45
1211.56:185:46
1311.56:175:48
1411.66:155:49
1511.66:135:50
1611.76:125:51
1711.76:105:52
1811.86:085:53
1911.86:065:54
2011.86:055:55
2111.96:035:57
2211.96:015:58
2312.05:595:59
2412.05:586:00
2512.15:566:01
2612.15:546:02
2712.25:536:03
2812.25:516:04
2912.35:496:05
3012.35:476:06
3112.45:466:08

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.03 kWh/m².

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 6.1 kWh/m² in June across the year — March's 4.03 kWh/m² falls in the middle.

012345151015202531
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
134.0Moderate
144.0Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in March

Hazard calendar for Hamden

In seasonPeak

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

Hamden 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 Hamden?

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 Hamden.

What to pack for Hamden in March

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

In March, Hamden sees daytime highs around 46°F and nights near 31°F. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Hamden in March

The nearest coast averages about 37°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 19 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 Hamden in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hamden 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 Hamden 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 Hamden 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 Hamden?

Hamden sits at 41.4°N, 72.9°W, 102 ft above sea level, in United States. The nearest listed city is North Haven, 1.9 mi away.

Topography around Hamden

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

Within 2 miles, the terrain around Hamden has only modest variations in elevation — a maximum elevation change of 531 ft around an average of 171 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 932 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,923 ft.

The land around Hamden is covered by trees (73%) within 2 miles, trees (76%) within 10 miles, and trees (67%) and water (24%) within 50 miles.

2 miles
531 ft
10 miles
932 ft
50 miles
1,923 ft
treesgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: North Haven 1.9 mi · Wallingford Center 5.6 mi · Wallingford 5.6 mi · New Haven 6.2 mi · Cheshire 6.8 mi · East Haven 8.7 mi · West Haven 9.3 mi · Branford 9.3 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 Hamden (41.3959°, -72.8968°, elevation 102 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).