South Croydon weather in May

In May, South Croydon sees average daytime highs of 16°C and overnight lows near 8°C, with 57 mm of rain across 10.3 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°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 14 h 30 min at the start of May to 16 hours by month's end. Set against the rest of the year, May is South Croydon's 5th-clearest and 7th-windiest month. For the whole year in context, see South Croydon's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
57 mm
10.3 wet days
Daylight
15 h 18 min
4:16 AM – 7:37 PM
Cloud cover
68%
5th clearest
Wind
14 km/h
7th windiest
Solar energy
5.18 kWh/m²
Travel score
4.9
out of 10

South Croydon is area of London.

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 15°C in the first days to 18°C by the end.

A typical May day in South Croydon reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1157
2157
3157
4157
5157
6157
7157
8157
9158
10168
11168
12168
13168
14168
15168
16168
17168
18169
19179
20179
21179
22179
23179
24179
25179
26179
271710
281710
291810
301810
311810

How May really feels in South Croydon

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.

South Croydon 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 / 6011.40.88.20.9
Feb / 499.419.61.1
Mar10° / 4510.30.511.52.2
Apr13° / 5311.30.213.53.5
May16° / 5710.3015.34.9
Jun19° / 11°6110.4016.35.9
Jul21° / 13°6111.1015.96.3
Aug21° / 13°7010.4014.46.3
Sep18° / 11°519.2012.45.8
Oct14° / 6310.8010.44.1
Nov10° / 6611.60.18.62.2
Dec / 6511.40.87.71.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33367
43367
53268
63169
73169
83169
93268
103268
113268
123268
133169
143169
153070
163070
173070
183070
193070
203070
213169
223169
233169
243169
253169
263169
273169
283169
293268
303169
313169

Chance of precipitation in May

Any precipitation

South Croydon gets around 57 mm of rain over 10.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
435
535
634
734
834
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1934
2033
2134
2234
2334
2434
2534
2634
2734
2834
2934
3035
3135

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69820
79820
89820
99820
109730
119730
129730
139730
149730
159730
169640
179640
189640
199640
209550
219550
229460
239460
249460
259370
269370
279280
289190
299091
3089101
3188111

Wind in May

Winds average 14 km/h in May.

Across May, 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
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
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 4:42 AM to 3:58 AM, and sunset from 7:13 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:427:13
214.64:407:15
314.64:387:16
414.74:367:18
514.84:357:20
614.84:337:21
714.94:317:23
814.94:297:25
915.04:277:26
1015.04:267:28
1115.14:247:29
1215.14:227:31
1315.24:217:32
1415.24:197:34
1515.34:187:35
1615.34:167:37
1715.44:157:38
1815.44:137:40
1915.54:127:41
2015.54:117:43
2115.64:097:44
2215.64:087:46
2315.74:077:47
2415.74:067:48
2515.84:047:50
2615.84:037:51
2715.84:027:52
2815.94:017:54
2915.94:007:55
3015.93:597:56
3116.03:587:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 5.48 kWh/m² in June across the year — May's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit South Croydon?

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

4.9
Sightseeing
5th-best month of the year
0.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit South Croydon for sightseeing.

What to pack for South Croydon in May

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

In May, South Croydon sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in South Croydon in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 South Croydon peaks around July 24 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 24UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is South Croydon?

South Croydon sits at 51.4°N, 0.1°W, 60 m above sea level, in United Kingdom. The nearest listed city is Croydon, 2.0 km away.

Topography around South Croydon

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

Within 3 km, the terrain around South Croydon has only modest variations in elevation — a maximum elevation change of 151 m around an average of 81 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 283 m; within 80 km, significant variations in elevation — a maximum elevation change of 303 m.

The land around South Croydon is covered by artificial surfaces (44%) and trees (42%) within 3 km, trees (42%), artificial surfaces (31%) and grassland (21%) within 16 km, and grassland (29%), trees (26%) and cropland (24%) within 80 km.

3 km
151 m
16 km
283 m
80 km
303 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Croydon 2.0 km · Purley 3.0 km · Wallington 4.0 km · South Norwood 4.0 km · Carshalton 5.0 km · Coulsdon 6.0 km · Upper Norwood 6.0 km · Norbury 6.0 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 South Croydon (51.3622°, -0.0942°, elevation 60 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. 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).