Antrim weather in October

In October, Antrim sees average daytime highs of 13°C and overnight lows near 8°C, with 81 mm of rain across 13.8 wet days and about 10.2 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 7% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of October to 9 h 06 min by month's end. Set against the rest of the year, October is Antrim's 7th-clearest and 6th-windiest month. For the whole year in context, see Antrim's year-round climate.

Daytime high
13°
6th warmest
Overnight low
8th coldest
Rainfall
81 mm
13.8 wet days
Daylight
10 h 12 min
7:05 AM – 5:15 PM
Cloud cover
77%
7th clearest
Wind
15 km/h
6th windiest
Solar energy
1.54 kWh/m²
Travel score
3.1
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 11°C by the end.

A typical October day in Antrim reaches about 13°C in the afternoon and slips back to 8°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, October runs about 3°C cooler than September and about 3°C warmer than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1149
2149
3149
4149
5149
6149
7149
8148
9148
10138
11138
12138
13138
14138
15138
16138
17138
18128
19128
20127
21127
22127
23127
24127
25127
26127
27127
28117
29117
30117
31116

How October really feels in Antrim

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52476
62476
72476
82476
92575
102575
112575
122476
132476
142476
152476
162278
172278
182278
192278
202179
212179
222080
232080
242080
252080
262080
272179
282179
292179
302278
312278

Chance of precipitation in October

Any precipitation

Antrim gets around 81 mm of rain over 13.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
644
744
843
943
1042
1142
1242
1342
1442
1542
1643
1743
1844
1944
2045
2145
2246
2346
2446
2546
2645
2745
2845
2945
3045
3145

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1928
2928
3937
4937
5946
6946
7955
8955
9964
10964
11964
12973
13973
14973
15973
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26991
27991
28991
29991
30991
31991

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 15 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
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
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 18 min at the start of October to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over October. Sunrise moves from 6:35 AM to 7:35 AM, and sunset from 5:53 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:355:53
211.26:375:50
311.16:395:48
411.16:415:45
511.06:435:42
610.96:455:40
710.86:475:37
810.86:495:35
910.76:515:32
1010.66:535:30
1110.56:555:27
1210.56:575:25
1310.46:595:22
1410.37:015:20
1510.27:035:18
1610.27:055:15
1710.17:075:13
1810.07:095:10
1910.07:115:08
209.97:135:06
219.87:155:03
229.77:175:01
239.77:194:59
249.67:214:57
259.57:234:54
269.57:254:52
279.47:274:50
289.37:294:48
299.27:314:46
309.27:334:44
319.17:354:42

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 1.54 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 — October's 1.54 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.0Moderate
32.0Dim
41.9Dim
51.9Dim
61.9Dim
71.8Dim
81.8Dim
91.8Dim
101.7Dim
111.7Dim
121.7Dim
131.6Dim
141.6Dim
151.6Dim
161.5Dim
171.5Dim
181.5Dim
191.4Dim
201.4Dim
211.4Dim
221.4Dim
231.3Dim
241.3Dim
251.3Dim
261.2Dim
271.2Dim
281.2Dim
291.1Dim
301.1Dim
311.1Dim
Planning a trip in October

Is October a good time to visit Antrim?

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

3.1
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Antrim.

What to pack for Antrim in October

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

In October, Antrim sees daytime highs around 13°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Antrim in October

The nearest coast averages about 14°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 2. 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
October 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).