Keene in Summer
In summer (June, July and August), Keene sees average daytime highs around 78°F and overnight lows near 58°F, with 9.9 in of rain over about 31 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 71°F in early June to 76°F by late August. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels dry.
Summer is Keene's best season of the year to visit on our travel score. For the whole year in context, see Keene's year-round climate.
- Avg daytime high
- 78°F
- warmest season of the year
- Avg overnight low
- 58°F
- Rainfall
- 9.9 in
- 31 wet days
- Avg wind
- 6 mph
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Keene in Summer
Over the season highs climb from about 71°F in early June to 76°F by late August.
A typical summer day in Keene reaches about 78°F and drops to 58°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Keene
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.
Keene 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° / 14° | 3.1 | 9.5 | 7.1 | 9.2 | 0.0 |
| Feb | 33° / 15° | 2.9 | 8.7 | 7 | 10.2 | 0.0 |
| Mar | 41° / 24° | 3.7 | 10.7 | 6.2 | 11.6 | 0.3 |
| Apr | 54° / 36° | 3.6 | 11 | 2.4 | 13.1 | 3.2 |
| May | 65° / 46° | 3.1 | 11.3 | 0.1 | 14.4 | 5.6 |
| Jun | 75° / 55° | 3.4 | 11.9 | 0 | 15.1 | 6.4 |
| Jul | 80° / 61° | 3.3 | 10 | 0 | 14.8 | 6.5 |
| Aug | 78° / 59° | 3.2 | 9.5 | 0 | 13.8 | 6.8 |
| Sep | 71° / 51° | 3.4 | 8.6 | 0 | 12.3 | 6.7 |
| Oct | 58° / 40° | 4.0 | 9.6 | 0.5 | 10.8 | 4.3 |
| Nov | 46° / 31° | 3.3 | 9.6 | 2.5 | 9.5 | 1.1 |
| Dec | 35° / 21° | 4.0 | 10.1 | 6.2 | 8.9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Keene gets around 9.9 in of rain over 31 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 5.6 kWh/m².
Is summer a good time to visit Keene?
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 Keene for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Keene in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Keene sees daytime highs around 78°F and nights near 58°F. Worth packing: light clothes, rain gear and sun protection. About 31 days see rain.
UV index in Keene 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 Keene 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 22 at about 1 (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) | 1 | 3 | 4 | 5 | 7 | 7 | 8 | 5 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | High | Very high | Moderate | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | Very high |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 5 | Moderate |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Keene?
Keene sits at 42.9°N, 72.3°W, 486 ft above sea level, in United States. The nearest listed city is Gardner, 29 mi away.
Topography around Keene
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Keene.
Within 2 miles, the terrain around Keene has only modest variations in elevation — a maximum elevation change of 610 ft around an average of 600 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,910 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,855 ft.
The land around Keene is covered by trees (71%) within 2 miles, trees (91%) within 10 miles, and trees (93%) 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 Keene (42.9337°, -72.2781°, elevation 486 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.