Bristol weather in April

In April, Bristol sees average daytime highs of 58°F and overnight lows near 40°F, with 3.9 in of precipitation across 11.2 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 52°F in the first days to 62°F by the end. The sky is clear or mostly clear about 27% 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 Bristol's 10th-clearest and 5th-windiest month. For the whole year in context, see Bristol's year-round climate.

Daytime high
58°
7th warmest
Overnight low
40°
6th coldest
Precipitation
3.9 in
11.2 wet days
Daylight
13 h 06 min
5:18 AM – 6:26 PM
Cloud cover
63%
10th clearest
Wind
7 mph
5th windiest
Solar energy
4.98 kWh/m²
Travel score
4.0
out of 10

Bristol is city in Hartford County, Connecticut, United States.

Density
871/km²
people per km²
Founded
1785

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 52°F in the first days to 62°F by the end.

A typical April day in Bristol reaches about 58°F in the afternoon and slips back to 40°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 46°F and 71°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)
15135
25235
35236
45336
55336
65437
75437
85537
95538
105638
115638
125739
135739
145839
155840
165840
175940
185941
195941
206041
216042
226042
236142
246143
256143
266243
276244
286244
296244
306345

How April really feels in Bristol

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 9 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
9
wind chill below the day's low

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

Bristol weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 20°3.69.56.39.30.0
Feb37° / 22°3.18.75.410.30.0
Mar45° / 29°4.311.14.511.71.1
Apr58° / 40°3.911.21.213.14.0
May68° / 49°3.811.6014.36.0
Jun77° / 59°4.511.90156.4
Jul82° / 64°4.311.2014.76.1
Aug80° / 63°4.611013.76.4
Sep73° / 55°4.39.2012.36.9
Oct61° / 44°4.49.50.210.95.2
Nov49° / 35°3.58.71.19.62.2
Dec40° / 26°4.310.24.890.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34357
44258
54258
64357
74357
84357
94357
104258
114159
124159
134159
144159
154159
164159
174159
184159
194159
204258
214159
224258
234258
244258
254258
264159
274258
284258
294258
304258

Chance of precipitation in April

Any precipitationSnow

Bristol gets around 3.9 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 38% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1389
2389
3388
4388
5388
6387
7387
8387
9376
10376
11376
12375
13375
14374
15374
16373
17383
18383
19382
20382
21382
22382
23381
24381
25381
26381
27381
28381
29381
30380

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
99910
109820
119820
129820
139820
149820
159730
169730
179730
189730
199730
209730
219640
229640
239640
249541
259541
269541
279541
289541
299451
309451

Wind in April

Winds average 7 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.

0246810151015202530
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
157light breeze
167light breeze
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
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 6:41 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
612.75:356:15
712.75:346:16
812.75:326:17
912.85:306:18
1012.85:286:19
1112.95:276:20
1212.95:256:21
1313.05:236:22
1413.05:226:23
1513.15:206:25
1613.15:186:26
1713.25:176:27
1813.25:156:28
1913.35:146:29
2013.35:126:30
2113.35:106:31
2213.45:096:32
2313.45:076:33
2413.55:066:34
2513.55:046:36
2613.65:036:37
2713.65:016:38
2813.65:006:39
2913.74:596:40
3013.74:576:41

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.98 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 5.96 kWh/m² in June across the year — April's 4.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
Planning a trip in April

Hazard calendar for Bristol

In seasonPeak

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

Bristol 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 Bristol?

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

4.0
Sightseeing
7th-best month of the year
0.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Bristol for sightseeing.

What to pack for Bristol in April

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

In April, Bristol sees daytime highs around 58°F and nights near 40°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Bristol 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 38 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 Bristol 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 Bristol 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 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 11UV 8Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Bristol 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 Bristol is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1615 µg/m³Nov 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Good
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep11Good
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Bristol?

Bristol sits at 41.7°N, 72.9°W, 305 ft above sea level, in United States. The nearest listed city is Plainville, 5.0 mi away.

Topography around Bristol

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

Within 2 miles, the terrain around Bristol has significant variations in elevation — a maximum elevation change of 840 ft around an average of 545 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,148 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,585 ft.

The land around Bristol is covered by trees (68%) within 2 miles, trees (81%) within 10 miles, and trees (77%) within 50 miles.

2 miles
840 ft
10 miles
1,148 ft
50 miles
2,585 ft
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Plainville 5.0 mi · Wolcott 5.0 mi · Southington 6.2 mi · Farmington 6.8 mi · New Britain 8.7 mi · Waterbury 9.3 mi · Avon 11 mi · Newington 12 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 Bristol (41.6718°, -72.9493°, elevation 305 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).