Bournemouth weather in August

In August, Bournemouth sees average daytime highs of 20°C and overnight lows near 14°C, with 63 mm of rain across 9.4 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 15 h 12 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Bournemouth's 2nd-clearest and 11th-windiest month. For the whole year in context, see Bournemouth's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
14°
12th coldest
Rainfall
63 mm
9.4 wet days
Daylight
14 h 18 min
5:01 AM – 7:22 PM
Cloud cover
65%
2nd clearest
Wind
15 km/h
11th windiest
Solar energy
4.46 kWh/m²
Travel score
6.3
out of 10

Bournemouth is town and civil parish in Bournemouth, Christchurch and Poole, Dorset, England.

Air quality
Moderate
PM2.5 10.8 µg/m³ · 2019
Density
3,543/km²
people per km²
Founded
1810

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical August day in Bournemouth reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42115
52115
62115
72115
82115
92015
102015
112014
122014
132014
142014
152014
162014
172014
182014
192014
202014
212014
222014
232014
242014
252014
262014
272014
281914
291914
301913
311913

How August really feels in Bournemouth

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.

Bournemouth weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7112.30.38.31.3
Feb / 539.80.59.71.4
Mar10° / 499.60.411.52.2
Apr12° / 5310.10.113.53.3
May15° / 519.7015.24.6
Jun18° / 12°519.7016.25.7
Jul20° / 14°479.3015.86.3
Aug20° / 14°639.4014.36.3
Sep18° / 12°549012.45.8
Oct15° / 10°8211.9010.44.1
Nov11° / 8412.208.72.6
Dec / 7811.80.27.81.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64159
74159
84159
94159
104159
114060
124060
134060
144060
154060
164060
174060
183961
193961
203862
213862
223862
233862
243763
253763
263763
273763
283763
293763
303664
313664

Chance of precipitation in August

Any precipitation

Bournemouth gets around 63 mm of rain over 9.4 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 31% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1431
1532
1632
1732
1832
1932
2032
2132
2232
2331
2431
2530
2630
2729
2828
2928
3027
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13252160
23351160
33351160
43449170
53548171
63647171
73646171
83745171
93744171
103844171
113943171
123943171
133943171
144043161
154043161
164044151
174044151
184044141
194145141
204145131
214245131
224344121
234444111
244544111
254643101
26474391
27484291
28494281
29514180
30524080
31543970

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 12 min at the start of August to 13 h 24 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 4:39 AM to 5:25 AM, and sunset from 7:49 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:397:49
215.14:407:47
315.14:427:45
415.04:437:44
515.04:447:42
614.94:467:40
714.94:487:39
814.84:497:37
914.74:517:35
1014.74:527:33
1114.64:547:31
1214.64:557:30
1314.54:577:28
1414.54:587:26
1514.45:007:24
1614.35:017:22
1714.35:037:20
1814.25:057:18
1914.25:067:16
2014.15:087:14
2114.05:097:12
2214.05:117:10
2313.95:127:07
2413.95:147:05
2513.85:167:03
2613.75:177:01
2713.75:196:59
2813.65:206:57
2913.55:226:54
3013.55:236:52
3113.45:256:50

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.46 kWh/m².

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.58 kWh/m² in June across the year — August's 4.46 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.2Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Moderate
304.0Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Bournemouth?

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

6.3
Sightseeing
1st-best month of the year
3.3
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Bournemouth for sightseeing.

What to pack for Bournemouth in August

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

In August, Bournemouth sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Bournemouth in August

The nearest coast averages about 18°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in March near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Bournemouth in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 Bournemouth peaks around August 13 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 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Bournemouth?

Bournemouth sits at 50.7°N, 1.9°W, 19 m above sea level, in United Kingdom. The nearest listed city is Christchurch, 7.0 km away.

Topography around Bournemouth

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

Within 3 km, the terrain around Bournemouth has only modest variations in elevation — a maximum elevation change of 63 m around an average of 25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 201 m; within 80 km, significant variations in elevation — a maximum elevation change of 307 m.

The land around Bournemouth is covered by water (35%), trees (32%) and artificial surfaces (27%) within 3 km, water (38%), grassland (24%) and trees (22%) within 16 km, and water (37%) and grassland (29%) within 80 km.

3 km
63 m
16 km
201 m
80 km
307 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Christchurch 7.0 km · Poole 7.0 km · Ferndown 10 km · Wimborne Minster 10 km · New Milton 16 km · Totton 35 km · Hythe 37 km · Dorchester 39 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 Bournemouth (50.7205°, -1.8795°, elevation 19 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).