Bonnyrigg weather in August

In August, Bonnyrigg sees average daytime highs of 17°C and overnight lows near 11°C, with 87 mm of rain across 15 wet days and about 14.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°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 54 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Bonnyrigg's 9th-clearest and 10th-windiest month. For the whole year in context, see Bonnyrigg's year-round climate.

Daytime high
17°
2nd warmest
Overnight low
11°
11th coldest
Rainfall
87 mm
15 wet days
Daylight
14 h 48 min
4:51 AM – 7:42 PM
Cloud cover
76%
9th clearest
Wind
13 km/h
10th windiest
Solar energy
3.69 kWh/m²
Travel score
4.8
out of 10

Bonnyrigg is town in Midlothian, 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 17°C through the month.

A typical August day in Bonnyrigg reaches about 17°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°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)
11811
21811
31811
41811
51811
61811
71811
81811
91811
101811
111811
121811
131711
141711
151711
161711
171711
181711
191711
201710
211710
221710
231710
241710
251710
261710
271710
281710
291710
301610
311610

How August really feels in Bonnyrigg

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.

Bonnyrigg 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 / 7714.34.47.40.2
Feb / 6612.64.49.20.4
Mar / 6313.2311.41.1
Apr10° / 6212.91.213.82.1
May13° / 67140.2163.2
Jun16° / 7914.4017.24.1
Jul18° / 11°8315.3016.74.8
Aug17° / 11°8715014.84.8
Sep15° / 6511.8012.54.1
Oct12° / 7813.40.110.12.6
Nov / 7414.4181.2
Dec / 8113.83.36.80.3

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 15% of August, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
32080
42080
52080
62080
72179
82080
92080
102080
112179
122179
132179
142179
152179
162179
172179
182179
192179
202278
212278
222377
232377
242377
252377
262377
272476
282476
292575
302575
312575

Chance of precipitation in August

Any precipitation

Bonnyrigg gets around 87 mm of rain over 15 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 48% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
250
350
450
549
649
749
849
949
1049
1149
1250
1350
1450
1551
1651
1751
1851
1951
2051
2150
2250
2349
2448
2546
2645
2744
2843
2942
3041
3140

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172253
272253
372253
472253
573243
673243
773243
874233
974233
1075223
1175223
1276213
1376213
1477203
1578202
1679192
1779192
1880182
1982171
2083161
2183161
2284151
2385141
2485141
2587130
2688120
2788120
2889110
2989110
3090100
3190100

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 14 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
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 54 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 132 minutes over August. Sunrise moves from 4:22 AM to 5:21 AM, and sunset from 8:15 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.94:228:15
215.84:248:13
315.74:268:11
415.74:288:09
515.64:308:07
615.54:328:05
715.54:348:02
815.44:358:00
915.34:377:58
1015.34:397:56
1115.24:417:54
1215.14:437:51
1315.14:457:49
1415.04:477:47
1514.94:497:44
1614.84:517:42
1714.84:537:40
1814.74:557:37
1914.64:577:35
2014.64:597:32
2114.55:017:30
2214.45:037:27
2314.35:057:25
2414.35:077:22
2514.25:097:20
2614.15:117:17
2714.05:137:14
2813.95:157:12
2913.95:177:09
3013.85:197:07
3113.75:217:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.69 kWh/m².

For context, solar energy here swings from a low near 0.41 kWh/m² to a high of 4.83 kWh/m² in May across the year — August's 3.69 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.0Bright
54.0Moderate
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in August

Is August a good time to visit Bonnyrigg?

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

4.8
Sightseeing
1st-best month of the year
1.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Bonnyrigg for sightseeing.

What to pack for Bonnyrigg in August

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

In August, Bonnyrigg sees daytime highs around 17°C and nights near 11°C. Pack rain gear. About 15 days see rain.

rain gear

Sea temperature near Bonnyrigg in August

The nearest coast averages about 14°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 28 km away) is warmest in August at about 14°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
Jan7Bracing
Feb6Bracing
Mar6Bracing
Apr7Bracing
May10Bracing
Jun12Bracing
Jul14Bracing
Aug14Bracing
Sep13Bracing
Oct12Bracing
Nov10Bracing
Dec8Bracing

UV index in Bonnyrigg 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 Bonnyrigg peaks around June 20 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Bonnyrigg?

Bonnyrigg sits at 55.9°N, 3.1°W, 103 m above sea level, in United Kingdom. The nearest listed city is Musselburgh, 8.0 km away.

Topography around Bonnyrigg

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

Within 3 km, the terrain around Bonnyrigg has only modest variations in elevation — a maximum elevation change of 121 m around an average of 100 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 609 m; within 80 km, large variations in elevation — a maximum elevation change of 851 m.

The land around Bonnyrigg is covered by trees (33%), grassland (27%) and cropland (21%) within 3 km, grassland (44%) within 16 km, and grassland (49%) within 80 km.

3 km
121 m
16 km
609 m
80 km
851 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Musselburgh 8.0 km · Penicuik 9.0 km · Edinburgh 10 km · Broxburn 24 km · Livingston 26 km · Kirkcaldy 27 km · Dunfermline 31 km · Bathgate 34 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 Bonnyrigg (55.8733°, -3.1051°, elevation 103 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).