Folkestone weather in August

In August, Folkestone sees average daytime highs of 19°C and overnight lows near 16°C, with 66 mm of rain across 9.8 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 26% 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 Folkestone's 2nd-clearest and 11th-windiest month. For the whole year in context, see Folkestone's year-round climate.

Daytime high
19°
1st warmest
Overnight low
16°
12th coldest
Rainfall
66 mm
9.8 wet days
Daylight
14 h 24 min
4:48 AM – 7:11 PM
Cloud cover
59%
2nd clearest
Wind
20 km/h
11th windiest
Solar energy
4.86 kWh/m²
Travel score
6.1
out of 10

Folkestone is town and civil parish in Kent, England.

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 19°C through the month.

A typical August day in Folkestone reaches about 19°C in the afternoon and slips back to 16°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 20°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11916
21916
31916
41916
51916
61916
71916
81916
91916
101916
111916
121916
131916
141916
151916
161916
171916
181916
191916
201916
211916
221916
231916
241816
251816
261816
271816
281816
291816
301816
311816

How August really feels in Folkestone

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.

Folkestone weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10115.30.78.21.1
Feb / 7012.50.99.61.0
Mar / 5510.80.311.51.5
Apr10° / 489.60.113.52.4
May13° / 11°539.8015.33.6
Jun16° / 13°539.2016.24.8
Jul18° / 15°559.6015.95.9
Aug19° / 16°669.8014.46.1
Sep17° / 15°7011.1012.45.4
Oct15° / 12°11014.6010.43.9
Nov11° / 11516.40.28.72.4
Dec / 11215.40.77.81.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35446
45347
55248
65149
75149
85050
95050
104951
114951
124852
134753
144753
154753
164654
174555
184555
194555
204456
214456
224456
234456
244555
254555
264555
274555
284456
294456
304456
314456

Chance of precipitation in August

Any precipitation

Folkestone gets around 66 mm of rain over 9.8 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
331
431
531
632
732
832
932
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2032
2132
2232
2331
2431
2531
2631
2731
2831
2931
3031
3131

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11658251
21657261
31657261
41657261
51657261
61755262
71755262
81854262
91854262
101953262
111953262
122052262
132151262
142151262
152250262
162250262
172349262
182349262
192449251
202549251
212649251
222748241
232947231
243047221
253246221
263445210
273544200
283744190
293843180
304042180
314241170

Wind in August

Winds average 20 km/h in August.

Across August, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

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 4:25 AM to 5:12 AM, and sunset from 7:38 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:257:38
215.24:277:36
315.14:287:34
415.14:307:33
515.04:317:31
614.94:337:29
714.94:347:28
814.84:367:26
914.84:377:24
1014.74:397:22
1114.74:407:20
1214.64:427:18
1314.54:447:16
1414.54:457:15
1514.44:477:13
1614.44:487:11
1714.34:507:09
1814.34:517:07
1914.24:537:04
2014.14:557:02
2114.14:567:00
2214.04:586:58
2313.94:596:56
2413.95:016:54
2513.85:036:52
2613.85:046:50
2713.75:066:47
2813.65:076:45
2913.65:096:43
3013.55:116:41
3113.45:126:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.86 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.91 kWh/m² in June across the year — August's 4.86 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.1Bright
Planning a trip in August

Is August a good time to visit Folkestone?

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

6.1
Sightseeing
1st-best month of the year
2.3
Beach & pool
1st-best month of the year

August is a reasonable time to visit Folkestone for sightseeing.

What to pack for Folkestone in August

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

In August, Folkestone sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear, sun protection and a windbreaker. About 10 days see rain.

rain gearsun protectiona windbreaker

Sea temperature near Folkestone 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 at the nearest coast (about 15 km away) is warmest in August at about 18°C and coldest in February 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 Folkestone 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 Folkestone peaks around June 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Folkestone?

Folkestone sits at 51.1°N, 1.2°E, 46 m above sea level, in United Kingdom. The nearest listed city is Dover, 11 km away.

Topography around Folkestone

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

Within 3 km, the terrain around Folkestone has only modest variations in elevation — a maximum elevation change of 177 m around an average of 45 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, significant variations in elevation — a maximum elevation change of 319 m.

The land around Folkestone is covered by water (40%), artificial surfaces (22%) and trees (20%) within 3 km, water (49%) within 16 km, and water (53%) within 80 km.

3 km
177 m
16 km
196 m
80 km
319 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Dover 11 km · Ashford 22 km · Deal 23 km · Canterbury 23 km · Faversham 32 km · Herne Bay 33 km · Whitstable 33 km · Ramsgate 33 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 Folkestone (51.0817°, 1.1673°, elevation 46 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).