Truro weather in August

In August, Truro sees average daytime highs of 20°C and overnight lows near 14°C, with 60 mm of rain across 10.6 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 6th-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 13% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 15 h 06 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Truro's 6th-clearest and 12th-windiest month. For the whole year in context, see Truro's year-round climate.

Daytime high
20°
1st warmest
Overnight low
14°
12th coldest
Rainfall
60 mm
10.6 wet days
Daylight
14 h 18 min
5:15 AM – 7:33 PM
Cloud cover
71%
6th clearest
Wind
16 km/h
12th windiest
Solar energy
4.28 kWh/m²
Travel score
5.9
out of 10

Truro is city in Cornwall, United Kingdom.

Density
3,710/km²
people per km²

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 Truro 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 17°C and 22°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)
12014
22014
32014
42014
52014
62014
72014
82014
92014
102014
112014
122014
132014
142014
152014
162014
172014
182014
192014
202014
211913
221913
231913
241913
251913
261913
271913
281913
291913
301913
311913

Truro weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 7313.28.31.7
Feb / 6011.19.71.7
Mar11° / 5711.511.52.4
Apr13° / 6112.213.53.2
May15° / 5811.315.24.4
Jun18° / 12°5810.816.15.5
Jul20° / 14°5610.315.76.0
Aug20° / 14°6010.614.35.9
Sep18° / 12°519.312.45.7
Oct15° / 10°7712.710.54.1
Nov12° / 7613.68.82.7
Dec10° / 7813.47.92.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33268
43268
53268
63268
73268
83268
93268
103268
113268
123169
133169
143169
153070
162971
172971
182971
193070
203070
213169
223169
233268
243268
253268
263367
273367
283466
293466
303565
313565

Chance of precipitation in August

Any precipitation

Truro gets around 60 mm of rain over 10.6 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 34% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
432
532
632
733
833
934
1034
1135
1236
1336
1437
1538
1638
1739
1839
1939
2038
2138
2237
2336
2435
2534
2633
2732
2831
2930
3029
3128

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13552130
23650140
33649141
43748151
53747151
63846151
73945151
83945151
94044151
104044151
114144151
124144141
134144141
144145141
154145131
164145131
174146131
184146121
194147121
204147110
214247110
224347100
234446100
24454690
25454590
26464580
27474480
28484480
29494370
30514270
31524170

Wind in August

Winds average 16 km/h in August, the calmest month.

Across August, daily wind ranges from about 16 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
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light 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 06 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 102 minutes over August. Sunrise moves from 4:53 AM to 5:38 AM, and sunset from 8:00 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:538:00
215.14:547:58
315.04:567:57
415.04:577:55
514.94:597:53
614.95:007:52
714.85:027:50
814.85:037:48
914.75:057:46
1014.65:067:45
1114.65:087:43
1214.55:097:41
1314.55:117:39
1414.45:127:37
1514.45:147:35
1614.35:157:33
1714.25:177:31
1814.25:187:29
1914.15:207:27
2014.15:217:25
2114.05:237:23
2213.95:247:21
2313.95:267:19
2413.85:287:17
2513.85:297:15
2613.75:317:13
2713.65:327:11
2813.65:347:09
2913.55:357:06
3013.55:377:04
3113.45:387:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.28 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.39 kWh/m² in June across the year — August's 4.28 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.1Bright
234.0Bright
244.0Bright
254.0Moderate
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Truro?

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

5.9
Sightseeing
2nd-best month of the year
2.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Truro for sightseeing.

What to pack for Truro in August

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

In August, Truro sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Truro in August

The nearest coast averages about 17°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in August at about 17°C and coldest in March near 9°C.

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

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep16Cool
Oct15Bracing
Nov13Bracing
Dec11Bracing

UV index in Truro 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 Truro peaks around August 14 at about 7 (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 14UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Truro?

Truro sits at 50.3°N, 5.1°W, 15 m above sea level, in United Kingdom. The nearest listed city is Falmouth, 12 km away.

Topography around Truro

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

Within 3 km, the terrain around Truro has only modest variations in elevation — a maximum elevation change of 107 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 521 m.

The land around Truro is covered by grassland (41%) and trees (35%) within 3 km, grassland (40%) and trees (20%) within 16 km, and water (68%) and grassland (21%) within 80 km.

3 km
107 m
16 km
250 m
80 km
521 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Falmouth 12 km · Redruth 13 km · Newquay 17 km · Camborne 18 km · St Austell 22 km · Bodmin 33 km · Penzance 38 km · Saltash 61 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 Truro (50.2653°, -5.0544°, elevation 15 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).