Newtownabbey weather in May

In May, Newtownabbey sees average daytime highs of 13°C and overnight lows near 8°C, with 71 mm of rain across 14.3 wet days and about 15.8 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 15°C by the end. The sky is clear or mostly clear about 13% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of May to 16 h 36 min by month's end. Set against the rest of the year, May is Newtownabbey's 1st-clearest and 9th-windiest month. For the whole year in context, see Newtownabbey's year-round climate.

Daytime high
13°
5th warmest
Overnight low
7th coldest
Rainfall
71 mm
14.3 wet days
Daylight
15 h 48 min
4:26 AM – 8:14 PM
Cloud cover
71%
1st clearest
Wind
15 km/h
9th windiest
Solar energy
5.07 kWh/m²
Travel score
3.3
out of 10

Newtownabbey is suburb of Belfast, Northern Ireland.

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 15°C by the end.

A typical May day in Newtownabbey reaches about 13°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 10°C and 17°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)
1127
2127
3127
4127
5127
6127
7137
8137
9137
10137
11137
12137
13137
14138
15138
16138
17138
18138
19148
20148
21148
22148
23148
24149
25149
26149
27149
28159
29159
30159
31159

How May really feels in Newtownabbey

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.

Newtownabbey weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7914.91.27.60.9
Feb / 6412.91.49.31.0
Mar / 6414.20.811.51.5
Apr11° / 6513.40.213.72.4
May13° / 7114.3015.83.3
Jun16° / 10°7813.7016.94.2
Jul17° / 12°8515.3016.54.7
Aug17° / 12°8514.7014.74.7
Sep16° / 11°7113012.54.2
Oct13° / 8914010.23.0
Nov10° / 8614.60.28.21.8
Dec / 8413.90.67.11.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23169
33169
43169
53367
63367
73367
83268
93169
103169
113169
123070
132971
142971
152872
162872
172872
182773
192674
202674
212575
222575
232575
242575
252674
262674
272674
282674
292674
302773
312773

Chance of precipitation in May

Any precipitation

Newtownabbey gets around 71 mm of rain over 14.3 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 47% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
446
546
645
745
845
945
1045
1146
1246
1347
1447
1547
1647
1747
1847
1947
2048
2148
2248
2348
2448
2548
2648
2748
2847
2947
3047
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
16991
17991
18991
19991
20991
21991
22991
23991
24982
25982
26982
27982
28982
29982
30973
31973

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 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light 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
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 54 min at the start of May to 16 h 36 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 4:55 AM to 4:04 AM, and sunset from 7:46 PM to 8:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:557:46
214.94:537:48
315.04:517:50
415.14:497:52
515.14:477:54
615.24:457:56
715.34:437:58
815.34:418:00
915.44:398:01
1015.44:378:03
1115.54:358:05
1215.64:338:07
1315.64:318:09
1415.74:298:11
1515.74:278:12
1615.84:268:14
1715.94:248:16
1815.94:228:18
1916.04:218:19
2016.04:198:21
2116.14:188:23
2216.14:168:24
2316.24:158:26
2416.24:138:27
2516.34:128:29
2616.34:108:30
2716.44:098:32
2816.44:088:33
2916.54:078:35
3016.54:068:36
3116.64:048:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.07 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.46 kWh/m² to a high of 5.07 kWh/m² in May across the year — May's 5.07 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Newtownabbey?

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

3.3
Sightseeing
5th-best month of the year
Beach & pool
never really warm enough

May is a weaker month for outdoor sightseeing in Newtownabbey.

What to pack for Newtownabbey in May

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

In May, Newtownabbey sees daytime highs around 13°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 Newtownabbey in May

The nearest coast averages about 9°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 24 km away) is warmest in September at about 14°C and coldest in March near 8°C.

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

6°8°10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr8Bracing
May9Bracing
Jun11Bracing
Jul12Bracing
Aug13Bracing
Sep14Bracing
Oct14Bracing
Nov12Bracing
Dec11Bracing

UV index in Newtownabbey 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 Newtownabbey peaks around May 22 at about 5 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowMay 22UV 5Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5High
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Newtownabbey?

Newtownabbey sits at 54.7°N, 5.9°W, 15 m above sea level, in United Kingdom. The nearest listed city is Belfast, 7.0 km away.

Topography around Newtownabbey

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

Within 3 km, the terrain around Newtownabbey has significant variations in elevation — a maximum elevation change of 362 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 495 m; within 80 km, large variations in elevation — a maximum elevation change of 860 m.

The land around Newtownabbey is covered by water (38%) and trees (24%) within 3 km, grassland (56%) within 16 km, and grassland (47%) and water (46%) within 80 km.

3 km
362 m
16 km
495 m
80 km
860 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Belfast 7.0 km · Carrickfergus 9.0 km · Castlereagh 10 km · Bangor 15 km · Newtownards 16 km · Lisburn 17 km · Antrim 20 km · Larne 22 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 Newtownabbey (54.6598°, -5.9086°, elevation 15 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).