Cortland in Summer
In summer (June, July and August), Cortland sees average daytime highs around 76°F and overnight lows near 58°F, with 12.5 in of rain over about 38 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 71°F in early June to 75°F by late August. The sky is clear or mostly clear about 25% of the time across summer, and the air most often feels dry.
Summer is Cortland's best season of the year to visit on our travel score. For the whole year in context, see Cortland's year-round climate.
- Avg daytime high
- 76°F
- warmest season of the year
- Avg overnight low
- 58°F
- Rainfall
- 12.5 in
- 38 wet days
- Avg wind
- 6 mph
- Travel score
- 6.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Cortland in Summer
Over the season highs climb from about 71°F in early June to 75°F by late August.
A typical summer day in Cortland reaches about 76°F and drops to 58°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Cortland
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.
Cortland 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 | 30° / 16° | 3.1 | 12.6 | 12.2 | 9.2 | 0.0 |
| Feb | 32° / 17° | 2.7 | 10.9 | 9.5 | 10.3 | 0.0 |
| Mar | 41° / 25° | 3.8 | 13 | 8.2 | 11.6 | 0.3 |
| Apr | 54° / 37° | 4.2 | 13.5 | 2.9 | 13.1 | 3.0 |
| May | 65° / 47° | 4.0 | 13.9 | 0.2 | 14.4 | 5.4 |
| Jun | 74° / 56° | 4.4 | 12.8 | 0 | 15.1 | 6.3 |
| Jul | 78° / 60° | 4.2 | 13 | 0 | 14.8 | 6.3 |
| Aug | 76° / 59° | 3.9 | 12.3 | 0 | 13.7 | 6.6 |
| Sep | 69° / 52° | 4.1 | 10.5 | 0 | 12.3 | 6.3 |
| Oct | 57° / 41° | 4.2 | 13 | 0.6 | 10.8 | 3.8 |
| Nov | 45° / 31° | 3.5 | 12.3 | 4.4 | 9.6 | 0.9 |
| Dec | 35° / 23° | 3.6 | 13 | 10 | 8.9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 25% of the time across summer.
Chance of precipitation in Summer
Cortland gets around 12.5 in of rain over 38 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 6 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 54 min in early June to 13 h 06 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 5.7 kWh/m².
Is summer a good time to visit Cortland?
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 Cortland for sightseeing.
What to pack for Cortland in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Cortland sees daytime highs around 76°F and nights near 58°F. Worth packing: light clothes, rain gear and sun protection. About 38 days see rain.
UV index in Cortland 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 Cortland peaks around July 12 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 | 5 | 8 | 8 | 9 | 6 | 6 | 3 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 6 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is Cortland?
Cortland sits at 42.6°N, 76.2°W, 1,129 ft above sea level, in United States. The nearest listed city is Ithaca, 19 mi away.
Topography around Cortland
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Cortland.
Within 2 miles, the terrain around Cortland has only modest variations in elevation — a maximum elevation change of 614 ft around an average of 1,220 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,178 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,847 ft.
The land around Cortland is covered by trees (43%) and grassland (28%) within 2 miles, trees (63%) and grassland (20%) within 10 miles, and trees (66%) 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 Cortland (42.6012°, -76.1805°, elevation 1,129 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.