Lewiston weather in June

In June, Lewiston sees average daytime highs of 72°F and overnight lows near 56°F, with 3.7 in of rain across 10.7 wet days and about 15.2 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 68°F in the first days to 76°F by the end. The sky is clear or mostly clear about 23% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of June to 15 h 18 min by month's end. Set against the rest of the year, June is Lewiston's 10th-clearest and 10th-windiest month. For the whole year in context, see Lewiston's year-round climate.

Daytime high
72°
3rd warmest
Overnight low
56°
10th coldest
Rainfall
3.7 in
10.7 wet days
Daylight
15 h 18 min
4:02 AM – 7:20 PM
Cloud cover
65%
10th clearest
Wind
6 mph
10th windiest
Solar energy
5.82 kWh/m²
Travel score
6.4
out of 10

Lewiston is city in Androscoggin County, Maine, United States.

Density
393/km²
people per km²
Founded
1795

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 68°F in the first days to 76°F by the end.

A typical June day in Lewiston reaches about 72°F in the afternoon and slips back to 56°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 81°F. Set against its neighbours, June runs about 10°F warmer than May and about 6°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16751
26751
36852
46852
56852
66953
76953
86953
97054
107054
117054
127155
137155
147155
157256
167256
177256
187357
197357
207358
217458
227458
237458
247559
257559
267559
277660
287660
297660
307660

How June really feels in Lewiston

Once humidity and wind are folded in, June 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

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

Lewiston weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 14°3.28.96.99.10.0
Feb32° / 16°3.08.66.710.20.0
Mar39° / 25°3.810.3611.60.2
Apr52° / 36°3.810.52.213.22.6
May62° / 46°3.110.50.114.55.2
Jun72° / 56°3.710.7015.26.4
Jul78° / 62°3.110.10156.7
Aug77° / 61°3.19013.87.1
Sep69° / 54°3.48.6012.36.7
Oct57° / 43°4.59.70.310.84.2
Nov46° / 33°3.69.529.41.2
Dec35° / 22°4.010.66.38.80.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53862
63862
73961
83961
94060
104060
114060
124060
134258
144258
154258
164258
174357
184357
194357
204357
214456
224555
234555
244555
254456
264555
274555
284555
294555
304555

Chance of precipitation in June

Any precipitation

Lewiston gets around 3.7 in of rain over 10.7 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
636
736
836
936
1036
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2135
2235
2335
2435
2535
2635
2735
2835
2935
3034

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17815610
27716610
37517620
47418620
57219720
67120720
77021720
86722830
96623830
106523930
116424930
1261251040
1360251140
1458261240
1555271350
1654271450
1752271560
1849271770
1947271870
2045271980
2143272091
2241272291
23392723101
24372824111
25352825111
26332826121
27312827132
28292828132
29282928142
30262928142

Wind in June

Winds average 6 mph in June.

Across June, 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.

0246810151015202530
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

Sunrise & sunset in June

DaylightNight

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

Days grow by about 18 minutes over June. Sunrise moves from 4:07 AM to 4:06 AM, and sunset from 7:10 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:077:10
215.14:067:11
315.14:067:12
415.14:057:12
515.14:057:13
615.24:057:14
715.24:047:15
815.24:047:15
915.24:047:16
1015.24:037:17
1115.24:037:17
1215.24:037:18
1315.34:037:18
1415.34:037:19
1515.34:037:19
1615.34:027:20
1715.34:027:20
1815.34:027:21
1915.34:037:21
2015.34:037:21
2115.34:037:21
2215.34:037:22
2315.34:037:22
2415.34:037:22
2515.34:047:22
2615.34:047:22
2715.34:047:22
2815.34:057:22
2915.34:057:22
3015.34:067:22

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.82 kWh/m².

For context, solar energy here swings from a low near 1.48 kWh/m² to a high of 5.94 kWh/m² in July across the year — June's 5.82 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
Planning a trip in June

Hazard calendar for Lewiston

In seasonPeak

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

Lewiston 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 June a good time to visit Lewiston?

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

6.4
Sightseeing
4th-best month of the year
4.5
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Lewiston for sightseeing.

What to pack for Lewiston in June

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

In June, Lewiston sees daytime highs around 72°F and nights near 56°F. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Lewiston in June

The nearest coast averages about 55°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 mi away) is warmest in August at about 63°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°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan42Bracing
Feb39Bracing
Mar38Bracing
Apr42Bracing
May48Bracing
Jun55Bracing
Jul62Cool
Aug63Cool
Sep60Cool
Oct54Bracing
Nov49Bracing
Dec45Bracing

UV index in Lewiston in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Lewiston 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 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 12UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul7Very high
Aug4Moderate
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Lewiston?

Lewiston sits at 44.1°N, 70.2°W, 217 ft above sea level, in United States. The nearest listed city is Auburn, 0.6 mi away.

Topography around Lewiston

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

Within 2 miles, the terrain around Lewiston has only modest variations in elevation — a maximum elevation change of 400 ft around an average of 262 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 843 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,783 ft.

The land around Lewiston is covered by trees (56%) and artificial surfaces (28%) within 2 miles, trees (76%) within 10 miles, and trees (74%) and water (20%) within 50 miles.

2 miles
400 ft
10 miles
843 ft
50 miles
4,783 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Auburn 0.6 mi · Brunswick 18 mi · Augusta 26 mi · Westbrook 30 mi · Portland 30 mi · South Portland 32 mi · South Portland Gardens 32 mi · West Scarborough 38 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 Lewiston (44.1003°, -70.2148°, elevation 217 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).