Hamden weather in April

In April, Hamden sees average daytime highs of 58°F and overnight lows near 41°F, with 3.8 in of precipitation across 11.2 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 53°F in the first days to 62°F by the end. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Hamden's 10th-clearest and 6th-windiest month. For the whole year in context, see Hamden's year-round climate.

Daytime high
58°
7th warmest
Overnight low
41°
6th coldest
Precipitation
3.8 in
11.2 wet days
Daylight
13 h 06 min
5:19 AM – 6:25 PM
Cloud cover
63%
10th clearest
Wind
8 mph
6th windiest
Solar energy
5.06 kWh/m²
Travel score
4.1
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 53°F in the first days to 62°F by the end.

A typical April day in Hamden reaches about 58°F in the afternoon and slips back to 41°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 47°F and 70°F. Set against its neighbours, April runs about 12°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15236
25337
35337
45437
55438
65538
75538
85539
95639
105639
115740
125740
135840
145841
155841
165941
175942
185942
196042
206043
216043
226143
236144
246144
256144
266244
276245
286245
296346
306346

How April really feels in Hamden

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 5 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
5
wind chill below the day's low

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

Hamden weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64258
74258
84258
94258
104357
114357
124357
134258
144258
154258
164258
174258
184258
194258
204258
214159
224159
234159
244159
254258
264258
274258
284258
294258
304159

Chance of precipitation in April

Any precipitationSnow

Hamden gets around 3.8 in of rain and snow over 11.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1386
2396
3396
4396
5395
6395
7395
8395
9385
10384
11384
12384
13383
14383
15383
16372
17372
18371
19371
20371
21371
22371
23371
24370
25370
26370
27370
28370
29370
30370

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89910
99820
109820
119820
129820
139820
149730
159730
169730
179730
189730
199730
209640
219640
229640
239640
249640
259541
269541
279541
289541
299451
309451

Wind in April

Winds average 8 mph in April.

Across April, 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.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light 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
257light breeze
267light breeze
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:44 AM to 4:57 AM, and sunset from 6:09 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:09
212.55:426:10
312.55:406:11
412.65:396:12
512.65:376:13
612.65:356:14
712.75:346:15
812.75:326:16
912.85:306:17
1012.85:286:19
1112.95:276:20
1212.95:256:21
1313.05:236:22
1413.05:226:23
1513.15:206:24
1613.15:196:25
1713.25:176:26
1813.25:156:27
1913.25:146:28
2013.35:126:29
2113.35:116:31
2213.45:096:32
2313.45:086:33
2413.55:066:34
2513.55:056:35
2613.55:036:36
2713.65:026:37
2813.65:006:38
2913.74:596:39
3013.74:576:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.06 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 — April's 5.06 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Hamden

In seasonPeak

None of Hamden's seasonal hazards are active in April. 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 April a good time to visit Hamden?

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

4.1
Sightseeing
7th-best month of the year
0.4
Beach & pool
7th-best month of the year

April is a reasonable time to visit Hamden for sightseeing.

What to pack for Hamden in April

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

In April, Hamden sees daytime highs around 58°F and nights near 41°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Hamden in April

The nearest coast averages about 44°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

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