Dartford weather in August

In August, Dartford sees average daytime highs of 21°C and overnight lows near 14°C, with 60 mm of rain across 9.9 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 16% 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 Dartford's 2nd-clearest and 11th-windiest month. For the whole year in context, see Dartford's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
14°
12th coldest
Rainfall
60 mm
9.9 wet days
Daylight
14 h 24 min
4:51 AM – 7:15 PM
Cloud cover
67%
2nd clearest
Wind
13 km/h
11th windiest
Solar energy
4.42 kWh/m²
Travel score
6.4
out of 10

Dartford is town in the county of Kent, England, United Kingdom.

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 Dartford reaches about 21°C in the afternoon and slips back to 14°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
122214
132214
142214
152214
162114
172114
182114
192114
202114
212114
222114
232113
242113
252113
262113
272013
282013
292013
302013
312013

How August really feels in Dartford

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.

Dartford 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 / 5110.80.78.11.0
Feb / 439.219.61.2
Mar10° / 409.70.611.52.3
Apr13° / 4610.80.113.53.5
May16° / 5010015.34.9
Jun19° / 12°539.7016.36.0
Jul21° / 14°5310.2015.96.4
Aug21° / 14°609.9014.46.4
Sep18° / 12°458.7012.45.9
Oct15° / 5610.5010.44.2
Nov11° / 5810.70.18.62.4
Dec / 56110.87.71.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43763
53763
63763
73862
83763
93763
103763
113664
123664
133763
143763
153763
163664
173664
183565
193565
203565
213565
223466
233466
243565
253565
263565
273466
283466
293466
303466
313466

Chance of precipitation in August

Any precipitation

Dartford gets around 60 mm of rain over 9.9 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 32% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
334
434
534
634
734
834
934
1034
1135
1235
1335
1435
1535
1634
1734
1834
1934
2033
2132
2232
2331
2430
2530
2629
2728
2828
2927
3026
3126

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13945160
23944161
34044161
44043161
54043161
64142151
74142152
84241152
94241152
104340152
114340152
124439152
134439152
144439152
154539152
164539151
174639141
184639141
194739131
204839131
214938131
225038120
235137120
245336110
255436100
265535100
27563590
28583480
29583480
30603370
31613270

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 4:28 AM to 5:16 AM, and sunset from 7:43 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.34:287:43
215.24:297:41
315.14:317:40
415.14:327:38
515.04:347:36
615.04:357:34
714.94:377:33
814.94:387:31
914.84:407:29
1014.84:417:27
1114.74:437:25
1214.64:457:23
1314.64:467:21
1414.54:487:19
1514.54:497:17
1614.44:517:15
1714.34:537:13
1814.34:547:11
1914.24:567:09
2014.24:587:07
2114.14:597:05
2214.05:017:03
2314.05:027:01
2413.95:046:58
2513.85:066:56
2613.85:076:54
2713.75:096:52
2813.65:116:50
2913.65:126:47
3013.55:146:45
3113.55:166:43

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.42 kWh/m².

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.47 kWh/m² in June across the year — August's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Dartford?

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

6.4
Sightseeing
1st-best month of the year
4.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Dartford for sightseeing.

What to pack for Dartford in August

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

In August, Dartford sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Dartford 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 64 km away) is warmest in August at about 18°C and coldest in February near 7°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep17Cool
Oct15Bracing
Nov12Bracing
Dec9Bracing

UV index in Dartford 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 Dartford 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 Dartford?

Dartford sits at 51.4°N, 0.2°E, 8 m above sea level, in United Kingdom. The nearest listed city is Bexley, 5.0 km away.

Topography around Dartford

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

Within 3 km, the terrain around Dartford has only modest variations in elevation — a maximum elevation change of 71 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 249 m; within 80 km, significant variations in elevation — a maximum elevation change of 303 m.

The land around Dartford is covered by artificial surfaces (37%), trees (30%) and grassland (25%) within 3 km, trees (28%), artificial surfaces (28%) and grassland (24%) within 16 km, and grassland (27%), cropland (26%) and trees (24%) within 80 km.

3 km
71 m
16 km
249 m
80 km
303 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Bexley 5.0 km · Swanley 6.0 km · Swanscombe 7.0 km · Welling 8.0 km · Longfield 8.0 km · South Ockendon 8.0 km · Grays 8.0 km · Abbey Wood 9.0 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 Dartford (51.4466°, 0.2142°, elevation 8 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).