Kilwinning weather in May

In May, Kilwinning sees average daytime highs of 14°C and overnight lows near 8°C, with 78 mm of precipitation across 13.9 wet days and about 15.9 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 15°C by the end. The sky is clear or mostly clear about 16% 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 42 min by month's end. Set against the rest of the year, May is Kilwinning's 1st-clearest and 9th-windiest month. For the whole year in context, see Kilwinning's year-round climate.

Daytime high
14°
5th warmest
Overnight low
7th coldest
Precipitation
78 mm
13.9 wet days
Daylight
16 hours
4:16 AM – 8:14 PM
Cloud cover
70%
1st clearest
Wind
15 km/h
9th windiest
Solar energy
4.85 kWh/m²
Travel score
3.6
out of 10

Kilwinning is town in North Ayrshire, 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 13°C in the first days to 15°C by the end.

A typical May day in Kilwinning reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 18°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1136
2136
3136
4136
5136
6137
7137
8137
9137
10137
11137
12147
13147
14147
15147
16147
17148
18148
19148
20148
21148
22148
23148
24158
25159
26159
27159
28159
29159
30159
31159

How May really feels in Kilwinning

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.

Kilwinning weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13718.22.47.40.7
Feb / 11015.32.39.20.8
Mar / 9814.91.711.41.4
Apr11° / 7914.40.513.82.4
May14° / 7813.90.115.93.6
Jun16° / 10°8214.2017.14.3
Jul17° / 12°9215.6016.64.7
Aug17° / 12°10916.9014.84.6
Sep15° / 10°9814.6012.54.0
Oct12° / 13816.8010.12.8
Nov / 13217.30.481.6
Dec / 136171.76.90.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33268
43367
53268
63268
73367
83367
93268
103268
113268
123268
133268
143268
153268
163268
173169
183169
193268
203169
213169
223070
233169
243169
253169
263169
273070
283070
293169
302971
312971

Chance of precipitation in May

Any precipitation

Kilwinning gets around 78 mm of rain and snow over 13.9 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 45% and peaks near 49% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)
149
248
348
447
546
646
745
845
945
1045
1145
1245
1345
1445
1545
1645
1745
1845
1945
2045
2145
2245
2345
2445
2545
2645
2745
2845
2945
3045
3145

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
13991
14991
15991
16991
17991
18991
19991
20982
21982
22982
23982
24982
25973
26973
27973
28973
29973
30973
31964

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 hours at the start of May to 16 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over May. Sunrise moves from 4:47 AM to 3:54 AM, and sunset from 7:45 PM to 8:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:477:45
215.04:457:47
315.14:437:49
415.24:407:51
515.24:387:53
615.34:367:55
715.44:347:57
815.54:327:59
915.54:308:01
1015.64:288:03
1115.64:268:05
1215.74:248:07
1315.84:228:08
1415.84:208:10
1515.94:188:12
1616.04:168:14
1716.04:148:16
1816.14:138:18
1916.14:118:19
2016.24:098:21
2116.34:088:23
2216.34:068:25
2316.44:048:26
2416.44:038:28
2516.54:018:30
2616.54:008:31
2716.63:598:33
2816.63:578:34
2916.73:568:36
3016.73:558:37
3116.73:548:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.85 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.37 kWh/m² to a high of 4.85 kWh/m² in May across the year — May's 4.85 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
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Is May a good time to visit Kilwinning?

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

3.6
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 Kilwinning.

What to pack for Kilwinning in May

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

In May, Kilwinning sees daytime highs around 14°C and nights near 8°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 Kilwinning 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 offshore is warmest in August at about 15°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr8Bracing
May10Bracing
Jun13Bracing
Jul15Bracing
Aug15Cool
Sep14Bracing
Oct12Bracing
Nov11Bracing
Dec9Bracing

UV index in Kilwinning 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 Kilwinning peaks around June 23 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 23UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kilwinning?

Kilwinning sits at 55.7°N, 4.7°W, 22 m above sea level, in United Kingdom. The nearest listed city is Irvine, 5.0 km away.

Topography around Kilwinning

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

Within 3 km, the terrain around Kilwinning has only modest variations in elevation — a maximum elevation change of 97 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 485 m; within 80 km, large variations in elevation — a maximum elevation change of 1,156 m.

The land around Kilwinning is covered by grassland (58%) and trees (25%) within 3 km, grassland (49%) and water (33%) within 16 km, and grassland (49%), water (27%) and trees (20%) within 80 km.

3 km
97 m
16 km
485 m
80 km
1,156 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Irvine 5.0 km · Kilmarnock 14 km · Ayr 22 km · Johnstone 23 km · Barrhead 25 km · Paisley 26 km · Newton Mearns 27 km · Renfrew 31 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 Kilwinning (55.6533°, -4.7067°, elevation 22 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).