Morton Grove in Summer
In summer (June, July and August), Morton Grove sees average daytime highs around 79°F and overnight lows near 66°F, with 10.6 in of rain over about 34 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 72°F in early June to 78°F by late August. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels muggy.
Summer is Morton Grove's best season of the year to visit on our travel score. For the whole year in context, see Morton Grove's year-round climate.
- Avg daytime high
- 79°F
- warmest season of the year
- Avg overnight low
- 66°F
- Rainfall
- 10.6 in
- 34 wet days
- Avg wind
- 8 mph
- Travel score
- 6.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Morton Grove in Summer
Over the season highs climb from about 72°F in early June to 78°F by late August.
A typical summer day in Morton Grove reaches about 79°F and drops to 66°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Morton Grove
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.
Morton Grove 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 | 31° / 20° | 2.3 | 9.1 | 6.3 | 9.3 | 0.0 |
| Feb | 34° / 22° | 2.0 | 7.2 | 5 | 10.3 | 0.0 |
| Mar | 43° / 30° | 2.6 | 10 | 3.1 | 11.7 | 0.6 |
| Apr | 54° / 40° | 4.2 | 11.9 | 1.1 | 13.1 | 3.0 |
| May | 65° / 51° | 4.1 | 12 | 0 | 14.3 | 5.5 |
| Jun | 76° / 63° | 3.6 | 11.9 | 0 | 15 | 6.4 |
| Jul | 81° / 68° | 3.4 | 11.3 | 0 | 14.7 | 6.3 |
| Aug | 79° / 67° | 3.6 | 10.7 | 0 | 13.7 | 6.7 |
| Sep | 73° / 59° | 2.9 | 8.9 | 0 | 12.3 | 7.0 |
| Oct | 60° / 47° | 3.3 | 9.4 | 0.1 | 10.9 | 5.0 |
| Nov | 47° / 36° | 2.6 | 8.8 | 1.2 | 9.6 | 1.5 |
| Dec | 36° / 26° | 2.3 | 8.8 | 4.4 | 9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Morton Grove gets around 10.6 in of rain over 34 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 48 min in early June to 13 hours 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 6.2 kWh/m².
Is summer a good time to visit Morton Grove?
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 Morton Grove for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Morton Grove in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Morton Grove sees daytime highs around 79°F and nights near 66°F. Pack light clothes and sun protection. Worth having: rain gear. About 34 days see rain.
Sea temperature near Morton Grove in Summer
The nearest coast averages about 66°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 10 mi away) is warmest in August at about 72°F and coldest in February near 36°F.
It's comfortable for a long swim from Jul 14 to Sep 14 — about 2.1 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 36 | 36 | 39 | 44 | 56 | 69 | 72 | 68 | 58 | 48 | 42 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Refreshing | Refreshing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 36 | Bracing |
| Mar | 36 | Bracing |
| Apr | 39 | Bracing |
| May | 44 | Bracing |
| Jun | 56 | Bracing |
| Jul | 69 | Refreshing |
| Aug | 72 | Refreshing |
| Sep | 68 | Refreshing |
| Oct | 58 | Bracing |
| Nov | 48 | Bracing |
| Dec | 42 | Bracing |
UV index in Morton Grove in Summer
Clear-sky midday UV across summer averages 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 Morton Grove peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 6 | 7 | 9 | 9 | 7 | 6 | 3 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Morton Grove in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Morton Grove is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 15 | 18 | 19 | 20 | 21 | 21 | 18 | 15 | 10 | 10 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 15 | Moderate |
| Mar | 18 | Moderate |
| Apr | 19 | Moderate |
| May | 20 | Moderate |
| Jun | 21 | Moderate |
| Jul | 21 | Moderate |
| Aug | 18 | Moderate |
| Sep | 15 | Moderate |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Morton Grove?
Morton Grove sits at 42.0°N, 87.8°W, 623 ft above sea level, in United States. The nearest listed city is Niles, 1.9 mi away.
Topography around Morton Grove
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Morton Grove.
Within 2 miles, the terrain around Morton Grove has only modest variations in elevation — a maximum elevation change of 92 ft around an average of 640 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 177 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 892 ft.
The land around Morton Grove is covered by artificial surfaces (61%) and trees (29%) within 2 miles, artificial surfaces (46%), trees (24%) and water (21%) within 10 miles, and water (39%) 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 Morton Grove (42.0406°, -87.7826°, elevation 623 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.