Waterville weather in April

In April, Waterville sees average daytime highs of 51°F and overnight lows near 36°F, with 3.8 in of precipitation across 10.6 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 45°F in the first days to 56°F by the end. The sky is clear or mostly clear about 23% 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 Waterville's 11th-clearest and 2nd-windiest month. For the whole year in context, see Waterville's year-round climate.

Daytime high
51°
7th warmest
Overnight low
36°
6th coldest
Precipitation
3.8 in
10.6 wet days
Daylight
13 h 12 min
5:02 AM – 6:16 PM
Cloud cover
67%
11th clearest
Wind
7 mph
2nd windiest
Solar energy
4.78 kWh/m²
Travel score
2.3
out of 10

Waterville is city in Maine, United States.

Density
447/km²
people per km²
Founded
1802

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 45°F in the first days to 56°F by the end.

A typical April day in Waterville reaches about 51°F in the afternoon and slips back to 36°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 41°F and 61°F. Set against its neighbours, April runs about 13°F warmer than March and about 12°F cooler than May.

20°40°60°151015202530
Avg high (°F)Avg low (°F)
14430
24530
34531
44631
54631
64632
74732
84733
94833
104833
114934
124934
135035
145035
155135
165136
175136
185237
195237
205337
215338
225438
235439
245439
255539
265540
275640
285640
295641
305741

How April really feels in Waterville

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 20 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
20
wind chill below the day's low

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

Waterville weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 12°3.18.96.890.0
Feb30° / 14°2.98.37.210.10.0
Mar38° / 23°3.610.26.111.60.1
Apr51° / 36°3.810.62.613.22.3
May62° / 46°3.2110.214.65.1
Jun71° / 56°3.811015.36.4
Jul77° / 62°3.19.90156.7
Aug76° / 61°2.99.3013.97.1
Sep68° / 53°3.38.2012.36.6
Oct56° / 42°4.410.10.410.73.9
Nov44° / 31°3.59.52.39.40.8
Dec33° / 20°4.010.76.98.70.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43862
53862
63862
73862
83862
93862
103862
113862
123862
133862
143862
153862
163862
173763
183763
193763
203763
213763
223763
233763
243763
253862
263862
273862
283961
293961
303961

Chance of precipitation in April

Any precipitationSnow

Waterville gets around 3.8 in of rain and snow over 10.6 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 35% and peaks near 37% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13515
23515
33515
43514
53514
63514
73513
83413
93412
103412
113411
123410
13349
14348
15348
16357
17356
18366
19365
20365
21374
22374
23374
24373
25373
26373
27373
28372
29372
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
22991
23991
24991
25991
26991
27991
28991
29982
30982

Wind in April

Winds average 7 mph in April.

Across April, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17light breeze
27light breeze
37light breeze
47light breeze
57light breeze
67light breeze
77light breeze
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
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 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 5:29 AM to 4:38 AM, and sunset from 5:57 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:295:57
212.55:275:58
312.65:266:00
412.65:246:01
512.75:226:02
612.75:206:03
712.85:186:05
812.85:166:06
912.95:146:07
1012.95:126:08
1113.05:116:10
1213.05:096:11
1313.15:076:12
1413.15:056:13
1513.25:036:15
1613.25:026:16
1713.35:006:17
1813.34:586:18
1913.44:566:20
2013.44:556:21
2113.54:536:22
2213.54:516:23
2313.64:496:25
2413.64:486:26
2513.74:466:27
2613.74:456:28
2713.84:436:30
2813.84:416:31
2913.94:406:32
3013.94:386:33

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.78 kWh/m².

For context, solar energy here swings from a low near 1.45 kWh/m² to a high of 5.8 kWh/m² in July across the year — April's 4.78 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
Planning a trip in April

Hazard calendar for Waterville

In seasonPeak

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

Waterville 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 Waterville?

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

2.3
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 Waterville.

What to pack for Waterville in April

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

In April, Waterville sees daytime highs around 51°F and nights near 36°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 Waterville in April

The nearest coast averages about 40°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 39 mi away) is warmest in August at about 58°F and coldest in February near 35°F.

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

30°40°50°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan39Bracing
Feb35Bracing
Mar35Bracing
Apr40Bracing
May46Bracing
Jun52Bracing
Jul57Bracing
Aug58Bracing
Sep57Bracing
Oct54Bracing
Nov49Bracing
Dec44Bracing

UV index in Waterville 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 Waterville peaks around July 13 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 13UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Waterville?

Waterville sits at 44.6°N, 69.6°W, 108 ft above sea level, in United States. The nearest listed city is Augusta, 18 mi away.

Topography around Waterville

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

Within 2 miles, the terrain around Waterville has only modest variations in elevation — a maximum elevation change of 394 ft around an average of 157 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 696 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,298 ft.

The land around Waterville is covered by trees (60%) within 2 miles, trees (72%) within 10 miles, and trees (83%) within 50 miles.

2 miles
394 ft
10 miles
696 ft
50 miles
4,298 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Augusta 18 mi · Lewiston 42 mi · Auburn 43 mi · Bangor 45 mi · Brunswick 47 mi · Portland 69 mi · South Portland 70 mi · Westbrook 71 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 Waterville (44.552°, -69.6317°, elevation 108 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).