Antrim weather in July

In July, Antrim sees average daytime highs of 18°C and overnight lows near 12°C, with 82 mm of rain across 14.8 wet days and about 16.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 5% of the time in July, and the air most often feels dry.

Daylight stretches from about 17 hours at the start of July to 15 h 48 min by month's end. Set against the rest of the year, July is Antrim's 12th-clearest and 12th-windiest month. For the whole year in context, see Antrim's year-round climate.

Daytime high
18°
1st warmest
Overnight low
12°
12th coldest
Rainfall
82 mm
14.8 wet days
Daylight
16 h 30 min
4:15 AM – 8:46 PM
Cloud cover
81%
12th clearest
Wind
13 km/h
12th windiest
Solar energy
4.53 kWh/m²
Travel score
5.0
out of 10

Antrim is town on the shore of Lough Neagh, in the baronies of Toome Upper and Toome Lower, Co. Antrim, in the northeast of Northern Ireland.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical July day in Antrim reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11711
21711
31811
41811
51811
61812
71812
81812
91812
101812
111812
121812
131812
141812
151812
161812
171812
181812
191812
201812
211812
221812
231812
241812
251812
261812
271812
281812
291812
301812
311812

How July really feels in Antrim

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Antrim weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7314.21.47.60.9
Feb / 6112.61.49.31.1
Mar / 6213.90.911.51.7
Apr11° / 6513.70.213.72.6
May14° / 7014.50.115.83.6
Jun17° / 10°7714016.94.5
Jul18° / 12°8214.8016.55.0
Aug18° / 12°8414.8014.74.9
Sep16° / 10°6712.7012.54.4
Oct13° / 8113.8010.23.1
Nov10° / 7713.80.28.21.8
Dec / 7613.10.77.11.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of July, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51585
61585
71387
81387
91387
101387
111486
121486
131486
141486
151585
161585
171585
181585
191585
201585
211585
221585
231486
241486
251486
261387
271387
281387
291387
301387
311387

Chance of precipitation in July

Any precipitation

Antrim gets around 82 mm of rain over 14.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
148
247
347
447
547
647
747
847
947
1047
1147
1247
1347
1447
1547
1647
1746
1846
1946
2047
2147
2247
2348
2448
2549
2649
2750
2850
2950
3050
3150

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
180182
279192
378202
478202
577212
677212
776222
875232
975232
1073243
1172253
1272253
1371263
1470273
1569283
1667294
1767294
1866304
1965314
2064324
2163334
2262344
2362344
2461354
2561354
2660364
2759365
2859365
2959365
3060355
3160355

Wind in July

Winds average 13 km/h in July, the calmest month.

Across July, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 17 hours at the start of July to 15 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over July. Sunrise moves from 3:59 AM to 4:38 AM, and sunset from 8:57 PM to 8:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.03:598:57
217.04:008:57
316.94:018:56
416.94:018:56
516.94:028:56
616.94:038:55
716.84:048:54
816.84:058:54
916.84:068:53
1016.74:078:52
1116.74:088:51
1216.74:108:50
1316.64:118:49
1416.64:128:48
1516.64:138:47
1616.54:158:46
1716.54:168:45
1816.44:188:44
1916.44:198:42
2016.34:208:41
2116.34:228:40
2216.24:238:38
2316.24:258:37
2416.14:278:35
2516.14:288:34
2616.04:308:32
2716.04:318:31
2815.94:338:29
2915.94:358:27
3015.84:368:25
3115.84:388:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.53 kWh/m².

For context, solar energy here swings from a low near 0.45 kWh/m² to a high of 4.99 kWh/m² in May across the year — July's 4.53 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in July

Is July a good time to visit Antrim?

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

5.0
Sightseeing
1st-best month of the year
1.7
Beach & pool
1st-best month of the year

July is a reasonable time to visit Antrim for sightseeing.

What to pack for Antrim in July

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

In July, Antrim sees daytime highs around 18°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

Sea temperature near Antrim in July

The nearest coast averages about 12°C in July — 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 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 Antrim in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Antrim 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
Jun5Moderate
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Antrim?

Antrim sits at 54.7°N, 6.2°W, 33 m above sea level, in United Kingdom. The nearest listed city is Ballymena, 17 km away.

Topography around Antrim

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

Within 3 km, the terrain around Antrim has only modest variations in elevation — a maximum elevation change of 117 m around an average of 46 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, large variations in elevation — a maximum elevation change of 860 m.

The land around Antrim is covered by grassland (46%) and trees (22%) within 3 km, grassland (70%) within 16 km, and grassland (53%) and water (39%) within 80 km.

3 km
117 m
16 km
363 m
80 km
860 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Ballymena 17 km · Newtownabbey 20 km · Belfast 23 km · Lisburn 24 km · Carrickfergus 26 km · Castlereagh 26 km · Larne 29 km · Craigavon 32 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 Antrim (54.7175°, -6.211°, elevation 33 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).