Dumfries weather in August

In August, Dumfries sees average daytime highs of 18°C and overnight lows near 12°C, with 91 mm of rain across 15.2 wet days and about 14.7 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 7% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 48 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Dumfries's 9th-clearest and 11th-windiest month. For the whole year in context, see Dumfries's year-round climate.

Daytime high
18°
2nd warmest
Overnight low
12°
11th coldest
Rainfall
91 mm
15.2 wet days
Daylight
14 h 48 min
4:56 AM – 7:41 PM
Cloud cover
75%
9th clearest
Wind
12 km/h
11th windiest
Solar energy
3.6 kWh/m²
Travel score
5.0
out of 10

Dumfries is town in Dumfries and Galloway, Scotland, UK.

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 18°C through the month.

A typical August day in Dumfries reaches about 18°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°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)
11912
21912
31912
41912
51912
61912
71912
81912
91912
101912
111912
121912
131812
141812
151812
161812
171812
181812
191811
201811
211811
221811
231811
241811
251811
261811
271811
281811
291711
301711
311711

How August really feels in Dumfries

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.

Dumfries 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 / 10115.42.37.50.6
Feb / 86131.99.30.8
Mar / 7513.51.411.41.6
Apr12° / 6913.20.413.82.7
May15° / 71130.115.83.9
Jun17° / 10°7713.60174.7
Jul19° / 12°8215.1016.55.1
Aug18° / 12°9115.2014.75.0
Sep16° / 10°7712.7012.54.5
Oct13° / 10314.1010.23.1
Nov / 9915.10.38.11.7
Dec / 10715.21.270.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32377
42377
52377
62278
72278
82377
92377
102377
112377
122377
132377
142377
152377
162476
172476
182476
192476
202476
212575
222575
232575
242674
252674
262674
272674
282674
292773
302575
312575

Chance of precipitation in August

Any precipitation

Dumfries gets around 91 mm of rain over 15.2 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 49% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
251
350
450
550
650
750
850
950
1050
1150
1250
1351
1451
1552
1652
1752
1852
1952
2052
2151
2250
2349
2448
2547
2646
2744
2843
2942
3042
3141

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
159347
260337
361327
461327
562317
662317
761318
863307
963307
1063307
1163307
1263307
1364306
1464306
1564306
1665305
1765305
1866304
1967294
2068293
2169283
2270273
2371272
2472262
2573252
2674242
2775232
2876222
2977212
3078202
3178202

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 48 min at the start of August to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over August. Sunrise moves from 4:28 AM to 5:25 AM, and sunset from 8:13 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.84:288:13
215.74:308:11
315.64:328:09
415.64:338:07
515.54:358:05
615.44:378:03
715.44:398:01
815.34:417:59
915.24:437:57
1015.24:447:55
1115.14:467:53
1215.04:487:50
1315.04:507:48
1414.94:527:46
1514.84:547:44
1614.84:567:41
1714.74:587:39
1814.65:007:37
1914.55:027:34
2014.55:037:32
2114.45:057:29
2214.35:077:27
2314.35:097:25
2414.25:117:22
2514.15:137:20
2614.05:157:17
2714.05:177:15
2813.95:197:12
2913.85:217:09
3013.75:237:07
3113.75:257:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.6 kWh/m².

For context, solar energy here swings from a low near 0.41 kWh/m² to a high of 4.79 kWh/m² in May across the year — August's 3.6 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
34.0Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.2Moderate
303.2Moderate
313.1Moderate
Planning a trip in August

Is August a good time to visit Dumfries?

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

5.0
Sightseeing
2nd-best month of the year
1.8
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Dumfries for sightseeing.

What to pack for Dumfries in August

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

In August, Dumfries sees daytime highs around 18°C and nights near 12°C. Pack rain gear. About 15 days see rain.

rain gear

Sea temperature near Dumfries 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 22 km away) is warmest in August at about 17°C and coldest in February near 6°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan6Bracing
Feb6Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep15Cool
Oct13Bracing
Nov11Bracing
Dec8Bracing

UV index in Dumfries in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dumfries peaks around June 17 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 17UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Dumfries?

Dumfries sits at 55.1°N, 3.6°W, 21 m above sea level, in United Kingdom. The nearest listed city is Carlisle, 47 km away.

PenrithDalserfLarkhallAyrWishaw

Topography around Dumfries

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

Within 3 km, the terrain around Dumfries has only modest variations in elevation — a maximum elevation change of 84 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 566 m; within 80 km, large variations in elevation — a maximum elevation change of 943 m.

The land around Dumfries is covered by grassland (54%) and artificial surfaces (21%) within 3 km, grassland (64%) and trees (21%) within 16 km, and grassland (62%) within 80 km.

3 km
84 m
16 km
566 m
80 km
943 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Carlisle 47 km · Workington 48 km · Whitehaven 58 km · Penrith 71 km · Dalserf 76 km · Larkhall 77 km · Ayr 78 km · Wishaw 80 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 Dumfries (55.0696°, -3.6114°, elevation 21 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).