Keene weather in August

In August, Keene sees average daytime highs of 78°F and overnight lows near 59°F, with 3.2 in of rain across 9.5 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 80°F in the first days to 76°F by the end. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Keene's 2nd-clearest and 12th-windiest month. For the whole year in context, see Keene's year-round climate.

Daytime high
78°
2nd warmest
Overnight low
59°
11th coldest
Rainfall
3.2 in
9.5 wet days
Daylight
13 h 48 min
5:00 AM – 6:46 PM
Cloud cover
58%
2nd clearest
Wind
5 mph
12th windiest
Solar energy
5.2 kWh/m²
Travel score
6.8
out of 10

Keene is city in New Hampshire, United States.

Density
240/km²
people per km²
Founded
1736

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 80°F in the first days to 76°F by the end.

A typical August day in Keene reaches about 78°F in the afternoon and slips back to 59°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 86°F. Set against its neighbours, August runs about 2°F cooler than July and about 8°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18061
28061
38060
48060
58060
68060
77960
87960
97960
107960
117960
127960
137960
147959
157859
167859
177859
187859
197858
207858
217858
227858
237758
247757
257757
267757
277757
287757
297656
307656
317656

How August really feels in Keene

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 14°3.19.57.19.20.0
Feb33° / 15°2.98.7710.20.0
Mar41° / 24°3.710.76.211.60.3
Apr54° / 36°3.6112.413.13.2
May65° / 46°3.111.30.114.45.6
Jun75° / 55°3.411.9015.16.4
Jul80° / 61°3.310014.86.5
Aug78° / 59°3.29.5013.86.8
Sep71° / 51°3.48.6012.36.7
Oct58° / 40°4.09.60.510.84.3
Nov46° / 31°3.39.62.59.51.1
Dec35° / 21°4.010.16.28.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44753
54753
64753
74753
84654
94654
104654
114654
124555
134555
144654
154753
164852
174852
184951
194951
205050
215149
225248
235248
245347
255347
265347
275446
285446
295446
305446
315446

Chance of precipitation in August

Any precipitation

Keene gets around 3.2 in of rain over 9.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1233
1333
1432
1532
1631
1730
1830
1929
2028
2128
2227
2326
2426
2525
2625
2724
2824
2924
3024
3124

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1282826162
2292826162
3292826162
4302726161
5302725161
6302825161
7302825161
8312825161
9312825151
10312825151
11322825151
12322825141
13332825131
14332925131
15342925121
16342925111
17353024111
18353024100
1936302490
2037302490
2138302380
2239292380
2341292280
2442282280
2543282180
2645272080
2746271970
2847271970
2948261870
3048261870
3149261870

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:44 AM to 5:17 AM, and sunset from 7:07 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:447:07
214.34:457:05
314.34:467:04
414.34:477:03
514.24:487:02
614.24:497:00
714.14:506:59
814.14:516:58
914.14:526:56
1014.04:536:55
1114.04:556:54
1213.94:566:52
1313.94:576:51
1413.94:586:49
1513.84:596:48
1613.85:006:46
1713.75:016:45
1813.75:026:43
1913.65:036:42
2013.65:056:40
2113.55:066:38
2213.55:076:37
2313.55:086:35
2413.45:096:33
2513.45:106:32
2613.35:116:30
2713.35:126:28
2813.25:146:27
2913.25:156:25
3013.15:166:23
3113.15:176:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.2 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 5.91 kWh/m² in July across the year — August's 5.2 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Keene?

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

6.8
Sightseeing
1st-best month of the year
6.4
Beach & pool
2nd-best month of the year

August 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 August

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

In August, Keene sees daytime highs around 78°F and nights near 59°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Keene in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7High
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

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.

2 miles
610 ft
10 miles
2,910 ft
50 miles
3,855 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Gardner 29 mi · Greenfield 29 mi · Fitchburg 34 mi · Bedford 39 mi · Leominster 39 mi · Merrimack 40 mi · Amherst Center 40 mi · Amherst 41 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 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. 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).