Duluth weather in June

In June, Duluth sees average daytime highs of 65°F and overnight lows near 55°F, with 4.1 in of rain across 11.6 wet days and about 15.6 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 60°F in the first days to 70°F by the end. The sky is clear or mostly clear about 29% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of June to 15 h 36 min by month's end. Set against the rest of the year, June is Duluth's 4th-clearest and 11th-windiest month. For the whole year in context, see Duluth's year-round climate.

Daytime high
65°
4th warmest
Overnight low
55°
9th coldest
Rainfall
4.1 in
11.6 wet days
Daylight
15 h 36 min
4:20 AM – 7:58 PM
Cloud cover
61%
4th clearest
Wind
9 mph
11th windiest
Solar energy
6 kWh/m²
Travel score
5.5
out of 10

Duluth is city in Minnesota, United States; county seat of St. Louis County.

Density
364/km²
people per km²
Founded
1679

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 60°F in the first days to 70°F by the end.

A typical June day in Duluth reaches about 65°F in the afternoon and slips back to 55°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 73°F. Set against its neighbours, June runs about 12°F warmer than May and about 8°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
15949
26049
36050
46050
56151
66151
76252
86252
96253
106353
116353
126454
136454
146455
156555
166556
176656
186656
196657
206757
216758
226858
236858
246859
256959
266959
276960
287060
297060
307060

How June really feels in Duluth

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.

Duluth weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan19° / 1.06.36.98.80.0
Feb22° / 10°1.15.35.6100.0
Mar31° / 20°1.97.35.111.60.0
Apr41° / 31°3.310.24.213.30.4
May53° / 42°3.811.10.514.82.9
Jun65° / 55°4.111.6015.65.5
Jul73° / 64°3.911.7015.36.7
Aug73° / 64°4.010.50146.9
Sep66° / 56°3.610.7012.45.9
Oct52° / 44°4.110.80.810.62.8
Nov38° / 30°2.68.959.20.1
Dec26° / 17°1.87.47.88.40.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 17% of June, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44654
54654
64654
74753
84654
94654
104654
114654
124654
134654
144555
154555
164456
174456
184456
194456
204555
214555
224555
234654
244654
254654
264753
274753
284753
294852
304951

Chance of precipitation in June

Any precipitation

Duluth gets around 4.1 in of rain over 11.6 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
637
737
838
938
1039
1139
1240
1340
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2941
3041

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1918100
28910100
38711200
48612200
58513200
68315200
78116300
87917400
97719400
107420510
117221610
127022710
136823810
146524920
1563251020
1659261230
1758261330
1856261530
1953271640
2051271840
2148271950
2246282050
2344282160
2442292361
2540292471
2638292571
2736292681
2834292781
2932302881
3031302991

Wind in June

Winds average 9 mph in June.

Across June, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 24 min at the start of June to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:25 AM to 4:23 AM, and sunset from 7:47 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:257:47
215.44:247:48
315.44:247:49
415.44:237:50
515.54:237:51
615.54:227:51
715.54:227:52
815.54:217:53
915.54:217:54
1015.64:217:54
1115.64:207:55
1215.64:207:56
1315.64:207:56
1415.64:207:57
1515.64:207:57
1615.64:207:58
1715.64:207:58
1815.74:207:59
1915.74:207:59
2015.74:207:59
2115.74:208:00
2215.74:208:00
2315.74:208:00
2415.74:208:00
2515.74:218:00
2615.74:218:00
2715.74:218:00
2815.64:228:00
2915.64:228:00
3015.64:238:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.06 kWh/m² in July across the year — June's 6 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in June

Is June a good time to visit Duluth?

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

5.5
Sightseeing
4th-best month of the year
2.1
Beach & pool
4th-best month of the year

June is a reasonable time to visit Duluth for sightseeing.

What to pack for Duluth in June

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

In June, Duluth sees daytime highs around 65°F and nights near 55°F. Pack sun protection. Worth having: rain gear. About 12 days see rain.

sun protectionrain gear

Sea temperature near Duluth in June

The nearest coast averages about 44°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 12 mi away) is warmest in August at about 62°F and coldest in February near 34°F.

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

30°40°50°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan36Bracing
Feb34Bracing
Mar34Bracing
Apr36Bracing
May38Bracing
Jun44Bracing
Jul55Bracing
Aug62Cool
Sep58Bracing
Oct50Bracing
Nov43Bracing
Dec38Bracing

UV index in Duluth in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Duluth peaks around June 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highHighModerateLowJun 17UV 8Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun8Very high
Jul7High
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Duluth?

Duluth sits at 46.8°N, 92.1°W, 702 ft above sea level, in United States. The nearest listed city is Superior, 4.3 mi away.

Topography around Duluth

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

Within 2 miles, the terrain around Duluth has only modest variations in elevation — a maximum elevation change of 778 ft around an average of 856 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 938 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,401 ft.

The land around Duluth is covered by trees (33%), water (30%) and artificial surfaces (28%) within 2 miles, trees (51%) and water (31%) within 10 miles, and trees (76%) within 50 miles.

2 miles
778 ft
10 miles
938 ft
50 miles
1,401 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Superior 4.3 mi · Hibbing 59 mi · Forest Lake 112 mi · Ham Lake 119 mi · Andover 121 mi · Lino Lakes 122 mi · Ramsey 124 mi · Elk River 124 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 Duluth (46.7833°, -92.1066°, elevation 702 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. 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).