Waterlooville weather in May

In May, Waterlooville sees average daytime highs of 16°C and overnight lows near 8°C, with 57 mm of rain across 10.8 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°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 15 h 54 min by month's end. Set against the rest of the year, May is Waterlooville's 5th-clearest and 8th-windiest month. For the whole year in context, see Waterlooville's year-round climate.

Daytime high
16°
5th warmest
Overnight low
7th coldest
Rainfall
57 mm
10.8 wet days
Daylight
15 h 18 min
4:22 AM – 7:39 PM
Cloud cover
69%
5th clearest
Wind
15 km/h
8th windiest
Solar energy
5.2 kWh/m²
Travel score
4.8
out of 10

Waterlooville is town in Havant, Hampshire, England, 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 15°C in the first days to 17°C by the end.

A typical May day in Waterlooville 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
10158
11168
12168
13168
14168
15168
16168
17168
18169
19169
20179
21179
22179
23179
24179
25179
261710
271710
281710
291710
301810
311810

How May really feels in Waterlooville

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.

Waterlooville weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6611.50.68.21.1
Feb / 519.80.79.71.2
Mar10° / 4710.10.411.52.3
Apr13° / 5610.90.113.53.5
May16° / 5710.8015.34.8
Jun19° / 11°569.9016.25.9
Jul21° / 13°5410.5015.86.4
Aug21° / 13°6410.2014.36.3
Sep18° / 11°539.4012.45.8
Oct14° / 7311.3010.44.1
Nov11° / 7511.60.18.72.4
Dec / 7111.50.57.81.3

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 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43268
53268
63268
73268
83268
93268
103268
113268
123268
133268
143169
153070
163070
173070
183070
193070
203169
213169
223169
233268
243268
253268
263268
273367
283367
293367
303367
313466

Chance of precipitation in May

Any precipitation

Waterlooville gets around 57 mm of rain over 10.8 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
337
436
536
635
735
835
934
1035
1135
1235
1335
1436
1536
1636
1736
1836
1936
2036
2136
2236
2336
2436
2536
2636
2735
2835
2935
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
39820
49820
59820
69820
79730
89730
99730
109730
119730
129640
139640
149640
159640
169640
179640
189640
199550
209550
219550
229460
239460
249370
259280
269280
279190
2890100
2990100
3088111
3188111

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
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 14 h 30 min at the start of May to 15 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over May. Sunrise moves from 4:47 AM to 4:04 AM, and sunset from 7:16 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:477:16
214.54:457:17
314.64:437:19
414.64:427:20
514.74:407:22
614.84:387:24
714.84:367:25
814.94:357:27
914.94:337:28
1015.04:317:30
1115.04:307:31
1215.14:287:33
1315.14:267:34
1415.24:257:36
1515.24:237:37
1615.34:227:39
1715.34:207:40
1815.44:197:42
1915.44:187:43
2015.54:167:45
2115.54:157:46
2215.64:147:47
2315.64:137:49
2415.64:117:50
2515.74:107:51
2615.74:097:53
2715.84:087:54
2815.84:077:55
2915.84:067:56
3015.94:057:58
3115.94:047:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.2 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.52 kWh/m² in June across the year — May's 5.2 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
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in May

Is May a good time to visit Waterlooville?

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

4.8
Sightseeing
5th-best month of the year
0.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Waterlooville for sightseeing.

What to pack for Waterlooville in May

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

In May, Waterlooville sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Waterlooville in May

The nearest coast averages about 11°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 29 km away) is warmest in August at about 18°C and coldest in March near 8°C.

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

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Waterlooville 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 Waterlooville peaks around August 11 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 11UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Waterlooville?

Waterlooville sits at 50.9°N, 1.0°W, 54 m above sea level, in United Kingdom. The nearest listed city is Havant, 4.0 km away.

Topography around Waterlooville

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

Within 3 km, the terrain around Waterlooville has only modest variations in elevation — a maximum elevation change of 82 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, significant variations in elevation — a maximum elevation change of 302 m.

The land around Waterlooville is covered by trees (36%), artificial surfaces (33%) and grassland (24%) within 3 km, grassland (26%), trees (23%) and cropland (21%) within 16 km, and water (31%), grassland (25%) and trees (22%) within 80 km.

3 km
82 m
16 km
272 m
80 km
302 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Havant 4.0 km · Emsworth 8.0 km · Portsmouth 10 km · Fareham 11 km · South Hayling 11 km · Southsea 12 km · Hayling Island 12 km · Gosport 12 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 Waterlooville (50.8807°, -1.0304°, elevation 54 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).