Amersham weather in August

In August, Amersham sees average daytime highs of 21°C and overnight lows near 13°C, with 62 mm of rain across 10.7 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 14% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 18 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Amersham's 2nd-clearest and 11th-windiest month. For the whole year in context, see Amersham's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
62 mm
10.7 wet days
Daylight
14 h 24 min
4:54 AM – 7:19 PM
Cloud cover
69%
2nd clearest
Wind
13 km/h
11th windiest
Solar energy
4.13 kWh/m²
Travel score
6.2
out of 10

Amersham is market town in Buckinghamshire, England.

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 22°C in the first days to 20°C by the end.

A typical August day in Amersham reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112214
122113
132113
142113
152113
162113
172113
182113
192113
202113
212113
222113
232013
242013
252013
262012
272012
282012
292012
302012
312012

How August really feels in Amersham

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Amersham weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5511.20.98.10.9
Feb / 449.91.49.61.1
Mar10° / 4410.30.711.52.2
Apr13° / 5111.40.113.63.4
May16° / 5610.5015.44.8
Jun19° / 11°5810.5016.35.8
Jul21° / 13°5811.2015.96.2
Aug21° / 13°6210.7014.46.2
Sep18° / 11°519.4012.45.7
Oct14° / 6011.4010.43.9
Nov10° / 6211.20.28.62.1
Dec / 5711.20.97.71.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43466
53466
63466
73367
83466
93466
103367
113367
123367
133466
143466
153367
163367
173367
183268
193169
203169
213169
223169
233169
243070
253070
263070
273169
283070
293070
303070
313070

Chance of precipitation in August

Any precipitation

Amersham gets around 62 mm of rain over 10.7 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1135
1235
1335
1436
1536
1636
1737
1837
1937
2037
2137
2236
2336
2435
2535
2634
2733
2832
2932
3031
3130

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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1494012
2494012
3493912
4493912
5493912
6493812
7503812
8513712
9513712
10513712
11523612
12523612
13523612
14523612
15533512
16543511
17543511
18553510
19553510
2057349
2157349
2258339
2360328
2460328
2562317
2662317
2764306
2865296
2966295
3067285
3168275

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 18 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over August. Sunrise moves from 4:30 AM to 5:19 AM, and sunset from 7:47 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.34:307:47
215.24:327:45
315.24:337:44
415.14:357:42
515.14:367:40
615.04:387:38
715.04:397:37
814.94:417:35
914.84:437:33
1014.84:447:31
1114.74:467:29
1214.74:477:27
1314.64:497:25
1414.54:517:23
1514.54:527:21
1614.44:547:19
1714.44:557:17
1814.34:577:15
1914.24:597:13
2014.25:007:11
2114.15:027:09
2214.05:047:07
2314.05:057:04
2413.95:077:02
2513.95:097:00
2613.85:106:58
2713.75:126:56
2813.75:146:53
2913.65:156:51
3013.55:176:49
3113.55:196:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.13 kWh/m².

For context, solar energy here swings from a low near 0.63 kWh/m² to a high of 5.14 kWh/m² in June across the year — August's 4.13 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit Amersham?

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

6.2
Sightseeing
1st-best month of the year
3.8
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Amersham for sightseeing.

What to pack for Amersham in August

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

In August, Amersham sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Amersham in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amersham peaks around August 10 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Amersham?

Amersham sits at 51.7°N, 0.6°W, 95 m above sea level, in United Kingdom. The nearest listed city is Amersham on the Hill, 1.0 km away.

Topography around Amersham

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Amersham.

Within 3 km, the terrain around Amersham has only modest variations in elevation — a maximum elevation change of 108 m around an average of 138 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 260 m; within 80 km, significant variations in elevation — a maximum elevation change of 301 m.

The land around Amersham is covered by trees (39%), grassland (27%) and cropland (26%) within 3 km, trees (40%) and grassland (33%) within 16 km, and cropland (36%), grassland (30%) and trees (24%) within 80 km.

3 km
108 m
16 km
260 m
80 km
301 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Amersham on the Hill 1.0 km · Chesham 4.0 km · Chalfont Saint Peter 8.0 km · Gerrards Cross 10 km · High Wycombe 10 km · Rickmansworth 10 km · Berkhamsted 11 km · Hemel Hempstead 15 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 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 Amersham (51.6667°, -0.6167°, elevation 95 m), 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).