Brunswick weather in April

In April, Brunswick sees average daytime highs of 51°F and overnight lows near 37°F, with 3.8 in of precipitation across 10.7 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 46°F in the first days to 56°F by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Brunswick's 11th-clearest and 6th-windiest month. For the whole year in context, see Brunswick's year-round climate.

Daytime high
51°
7th warmest
Overnight low
37°
6th coldest
Precipitation
3.8 in
10.7 wet days
Daylight
13 h 12 min
5:04 AM – 6:16 PM
Cloud cover
66%
11th clearest
Wind
8 mph
6th windiest
Solar energy
4.88 kWh/m²
Travel score
2.6
out of 10

Brunswick is town in Cumberland County, Maine, United States.

Founded
1628

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 46°F in the first days to 56°F by the end.

A typical April day in Brunswick reaches about 51°F in the afternoon and slips back to 37°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 42°F and 61°F. Set against its neighbours, April runs about 12°F warmer than March and about 10°F cooler than May.

20°30°40°50°60°70°151015202530
Avg high (°F)Avg low (°F)
14632
24632
34633
44733
54733
64833
74834
84934
94935
104935
115035
125035
135136
145136
155137
165237
175237
185338
195338
205338
215438
225439
235439
245540
255540
265540
275640
285641
295641
305742

How April really feels in Brunswick

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 18 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
18
wind chill below the day's low

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

Brunswick weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 15°3.39.26.89.10.0
Feb32° / 16°3.08.76.610.20.0
Mar40° / 25°3.910.25.911.60.2
Apr51° / 37°3.810.72.113.22.6
May62° / 46°3.110.60.114.55.1
Jun71° / 56°3.610.7015.26.4
Jul77° / 62°3.19.9014.96.8
Aug76° / 61°3.18.7013.87.2
Sep69° / 54°3.48.6012.36.6
Oct57° / 44°4.59.90.210.84.2
Nov46° / 33°3.69.51.89.51.2
Dec36° / 22°4.1116.28.80.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
24060
33961
43862
53862
63862
73862
83862
93961
103961
113961
123961
133862
143862
153763
163664
173763
183664
193664
203565
213664
223664
233664
243664
253664
263763
273763
283763
293862
303862

Chance of precipitation in April

Any precipitationSnow

Brunswick gets around 3.8 in of rain and snow over 10.7 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 36% and peaks near 37% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13714
23713
33713
43712
53712
63712
73711
83611
93510
103510
11349
12348
13348
14347
15346
16346
17345
18355
19354
20354
21354
22353
23353
24363
25362
26362
27362
28362
29362
30362

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
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
24991
25991
26991
27991
28991
29991
30991

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
237light breeze
247light breeze
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:31 AM to 4:41 AM, and sunset from 5:58 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:315:58
212.55:295:59
312.65:276:01
412.65:256:02
512.75:246:03
612.75:226:04
712.85:206:05
812.85:186:07
912.95:166:08
1012.95:146:09
1113.05:136:10
1213.05:116:12
1313.15:096:13
1413.15:076:14
1513.25:056:15
1613.25:046:16
1713.35:026:18
1813.35:006:19
1913.44:596:20
2013.44:576:21
2113.54:556:23
2213.54:546:24
2313.64:526:25
2413.64:506:26
2513.64:496:27
2613.74:476:29
2713.74:456:30
2813.84:446:31
2913.84:426:32
3013.94:416:34

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.88 kWh/m².

For context, solar energy here swings from a low near 1.48 kWh/m² to a high of 5.99 kWh/m² in July across the year — April's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Hazard calendar for Brunswick

In seasonPeak

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

Brunswick 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 Brunswick?

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

2.6
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Brunswick.

What to pack for Brunswick in April

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

In April, Brunswick sees daytime highs around 51°F and nights near 37°F. Pack a warm layer. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Brunswick in April

The nearest coast averages about 41°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 17 mi away) is warmest in August at about 62°F and coldest in March near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan41Bracing
Feb38Bracing
Mar38Bracing
Apr41Bracing
May47Bracing
Jun54Bracing
Jul60Cool
Aug62Cool
Sep58Bracing
Oct54Bracing
Nov49Bracing
Dec45Bracing

UV index in Brunswick in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Brunswick peaks around July 12 at about 7 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateModerateLowJul 12UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul7Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Brunswick?

Brunswick sits at 43.9°N, 70.0°W, 62 ft above sea level, in United States. The nearest listed city is Lewiston, 18 mi away.

Topography around Brunswick

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

Within 2 miles, the terrain around Brunswick has only modest variations in elevation — a maximum elevation change of 249 ft around an average of 92 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 456 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,526 ft.

The land around Brunswick is covered by trees (60%) within 2 miles, trees (68%) within 10 miles, and trees (62%) and water (33%) within 50 miles.

2 miles
249 ft
10 miles
456 ft
50 miles
2,526 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Lewiston 18 mi · Auburn 18 mi · Portland 23 mi · South Portland 24 mi · South Portland Gardens 26 mi · Westbrook 26 mi · Augusta 29 mi · West Scarborough 32 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 Brunswick (43.9145°, -69.9653°, elevation 62 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).