Bonnyrigg weather in May

In May, Bonnyrigg sees average daytime highs of 13°C and overnight lows near 6°C, with 67 mm of precipitation across 14 wet days and about 16 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 14°C by the end. The sky is clear or mostly clear about 11% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of May to 16 h 48 min by month's end. Set against the rest of the year, May is Bonnyrigg's 2nd-clearest and 9th-windiest month. For the whole year in context, see Bonnyrigg's year-round climate.

Daytime high
13°
5th warmest
Overnight low
7th coldest
Precipitation
67 mm
14 wet days
Daylight
16 hours
4:09 AM – 8:09 PM
Cloud cover
73%
2nd clearest
Wind
14 km/h
9th windiest
Solar energy
4.83 kWh/m²
Travel score
3.2
out of 10

Bonnyrigg is town in Midlothian, Scotland, UK.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 14°C by the end.

A typical May day in Bonnyrigg reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1125
2125
3125
4125
5125
6125
7125
8125
9125
10125
11135
12135
13136
14136
15136
16136
17136
18136
19136
20136
21147
22147
23147
24147
25147
26147
27147
28147
29147
30148
31158

How May really feels in Bonnyrigg

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42872
52872
62872
72872
82872
92971
102971
112971
122872
132773
142773
152773
162674
172674
182674
192674
202476
212476
222476
232476
242476
252377
262377
272476
282377
292377
302377
312377

Chance of precipitation in May

Any precipitation

Bonnyrigg gets around 67 mm of rain and snow over 14 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 47% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
446
546
646
746
846
946
1046
1146
1246
1346
1446
1546
1646
1746
1846
1945
2045
2145
2246
2346
2446
2546
2646
2746
2846
2946
3046
3147

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
17991
18991
19991
20991
21991
22991
23982
24982
25982
26982
27982
28982
29982
30973
31973

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 hours at the start of May to 16 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over May. Sunrise moves from 4:40 AM to 3:46 AM, and sunset from 7:39 PM to 8:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:407:39
215.14:387:41
315.14:357:43
415.24:337:45
515.34:317:47
615.34:297:49
715.44:277:51
815.54:247:53
915.54:227:55
1015.64:207:57
1115.74:187:59
1215.74:168:01
1315.84:148:03
1415.94:128:05
1515.94:108:07
1616.04:098:09
1716.14:078:11
1816.14:058:12
1916.24:038:14
2016.24:028:16
2116.34:008:18
2216.43:588:19
2316.43:578:21
2416.53:558:23
2516.53:548:24
2616.63:528:26
2716.63:518:28
2816.73:508:29
2916.73:488:31
3016.83:478:32
3116.83:468:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.83 kWh/m² — the sunniest month for solar.

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 — May's 4.83 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in May

Is May a good time to visit Bonnyrigg?

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

3.2
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Bonnyrigg.

What to pack for Bonnyrigg in May

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

In May, Bonnyrigg sees daytime highs around 13°C and nights near 6°C. Pack rain gear. Worth having: a warm layer and sun protection. About 14 days see rain.

rain geara warm layersun protection

Sea temperature near Bonnyrigg in May

The nearest coast averages about 10°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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
May 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).