Marquette in Summer
In summer (June, July and August), Marquette sees average daytime highs around 71°F and overnight lows near 56°F, with 9.6 in of rain over about 33 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 64°F in early June to 71°F by late August. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels dry.
Summer is Marquette's best season of the year to visit on our travel score. For the whole year in context, see Marquette's year-round climate.
- Avg daytime high
- 71°F
- warmest season of the year
- Avg overnight low
- 56°F
- Rainfall
- 9.6 in
- 33 wet days
- Avg wind
- 7 mph
- Travel score
- 6.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Marquette in Summer
Over the season highs climb from about 64°F in early June to 71°F by late August.
A typical summer day in Marquette reaches about 71°F and drops to 56°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Marquette
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Marquette weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 22° / 10° | 1.5 | 8.7 | 10.7 | 8.8 | 0.0 |
| Feb | 24° / 10° | 1.2 | 6.4 | 7.3 | 10 | 0.0 |
| Mar | 34° / 19° | 1.9 | 8.8 | 7 | 11.6 | 0.0 |
| Apr | 45° / 30° | 2.7 | 10.6 | 5.4 | 13.3 | 1.1 |
| May | 58° / 41° | 3.0 | 11.1 | 0.7 | 14.8 | 4.2 |
| Jun | 68° / 52° | 3.2 | 11 | 0 | 15.6 | 6.1 |
| Jul | 74° / 58° | 3.2 | 11.4 | 0 | 15.2 | 6.8 |
| Aug | 73° / 57° | 3.1 | 10.7 | 0 | 14 | 6.7 |
| Sep | 66° / 50° | 3.5 | 11.6 | 0 | 12.4 | 5.7 |
| Oct | 52° / 40° | 3.5 | 13.6 | 1.5 | 10.7 | 2.6 |
| Nov | 39° / 29° | 2.3 | 10.6 | 7.7 | 9.2 | 0.2 |
| Dec | 29° / 19° | 1.8 | 9.8 | 11.3 | 8.4 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Marquette gets around 9.6 in of rain over 33 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 18 min in early June to 13 h 12 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.0 kWh/m².
Is summer a good time to visit Marquette?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Marquette for sightseeing.
What to pack for Marquette in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Marquette sees daytime highs around 71°F and nights near 56°F. Pack sun protection. Worth having: light clothes and rain gear. About 33 days see rain.
Sea temperature near Marquette in Summer
The nearest coast averages about 53°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 62°F and coldest in March near 34°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 36 | 35 | 34 | 35 | 38 | 43 | 54 | 62 | 59 | 51 | 44 | 40 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 36 | Bracing |
| Feb | 35 | Bracing |
| Mar | 34 | Bracing |
| Apr | 35 | Bracing |
| May | 38 | Bracing |
| Jun | 43 | Bracing |
| Jul | 54 | Bracing |
| Aug | 62 | Cool |
| Sep | 59 | Cool |
| Oct | 51 | Bracing |
| Nov | 44 | Bracing |
| Dec | 40 | Bracing |
UV index in Marquette in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Marquette peaks around June 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | Moderate | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 7 | Very high |
| Aug | 7 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Marquette?
Marquette sits at 46.5°N, 87.4°W, 666 ft above sea level, in United States. The nearest listed city is Mackinac Island, 141 mi away.
Topography around Marquette
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Marquette.
Within 2 miles, the terrain around Marquette has only modest variations in elevation — a maximum elevation change of 410 ft around an average of 686 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,060 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,667 ft.
The land around Marquette is covered by water (38%), trees (32%) and artificial surfaces (21%) within 2 miles, trees (48%) and water (44%) within 10 miles, and trees (56%) and water (41%) within 50 miles.
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
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 Marquette (46.5435°, -87.3954°, elevation 666 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.