Waterville weather in July

In July, Waterville sees average daytime highs of 77°F and overnight lows near 62°F, with 3.1 in of rain across 9.9 wet days and about 15 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 77°F through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 18 min at the start of July to 14 h 36 min by month's end. Set against the rest of the year, July is Waterville's 6th-clearest and 11th-windiest month. For the whole year in context, see Waterville's year-round climate.

Daytime high
77°
1st warmest
Overnight low
62°
12th coldest
Rainfall
3.1 in
9.9 wet days
Daylight
15 h 06 min
4:13 AM – 7:16 PM
Cloud cover
60%
6th clearest
Wind
6 mph
11th windiest
Solar energy
5.8 kWh/m²
Travel score
6.7
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 77°F through the month.

A typical July day in Waterville reaches about 77°F in the afternoon and slips back to 62°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 85°F. Set against its neighbours, July runs about 6°F warmer than June and on par with August.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17660
27660
37661
47661
57661
67661
77761
87761
97761
107762
117762
127762
137762
147762
157862
167862
177862
187862
197862
207862
217862
227862
237862
247862
257863
267863
277863
287862
297862
307862
317862

How July really feels in Waterville

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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Waterville weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 10th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34654
44852
54852
64951
74951
85050
95050
105050
115050
125050
135050
145050
155050
165050
175050
184852
194852
204852
214753
224753
234654
244654
254654
264654
274654
284654
294654
304852
314852

Chance of precipitation in July

Any precipitation

Waterville gets around 3.1 in of rain over 9.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
534
634
734
834
934
1034
1134
1234
1334
1434
1534
1633
1733
1833
1933
2033
2133
2232
2332
2432
2532
2632
2732
2831
2931
3031
3131

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1213328172
2203328172
3193428172
4193428172
5183528182
6183528182
7173528182
8173628182
9163628182
10163529192
11153529192
12153430202
13153330202
14143231202
15143232212
16143132212
17143033222
18132934222
19132834222
20132735233
21122636233
22122637233
23122537233
24122538233
25112538223
26112638223
27112639223
28112639213
29112738213
30112738203
31112838203

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 18 min at the start of July to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:02 AM to 4:28 AM, and sunset from 7:22 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.34:027:22
215.34:037:22
315.34:037:21
415.34:047:21
515.34:047:21
615.34:057:21
715.24:067:20
815.24:067:20
915.24:077:20
1015.24:087:19
1115.24:087:19
1215.14:097:18
1315.14:107:18
1415.14:117:17
1515.14:127:16
1615.14:137:16
1715.04:147:15
1815.04:147:14
1915.04:157:13
2014.94:167:13
2114.94:177:12
2214.94:187:11
2314.84:197:10
2414.84:207:09
2514.84:217:08
2614.74:227:07
2714.74:237:06
2814.74:257:05
2914.64:267:04
3014.64:277:03
3114.64:287:01

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.8 kWh/m² — the sunniest month for solar.

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 — July's 5.8 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Waterville

In seasonPeak

In July, Waterville sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

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 July a good time to visit Waterville?

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

6.7
Sightseeing
2nd-best month of the year
6.2
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Waterville for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Waterville in July

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

In July, Waterville sees daytime highs around 77°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Waterville in July

The nearest coast averages about 57°F in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 — 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
July 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).