Ballymena weather in January

In January, Ballymena sees average daytime highs of 7°C and overnight lows near 3°C, with 73 mm of precipitation across 14.2 wet days and about 7.6 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 9% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 hours at the start of January to 8 h 18 min by month's end. Set against the rest of the year, January is Ballymena's 5th-clearest and 1st-windiest month. For the whole year in context, see Ballymena's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
73 mm
14.2 wet days
Daylight
7 h 30 min
8:49 AM – 4:20 PM
Cloud cover
77%
5th clearest
Wind
17 km/h
1st windiest
Solar energy
0.61 kWh/m²
Travel score
0.9
out of 10

Ballymena is town in Northern Ireland.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 7°C through the month.

A typical January day in Ballymena reaches about 7°C in the afternoon and slips back to 3°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, January runs on par with December and on par with February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
173
273
373
473
573
673
773
873
973
1073
1173
1273
1373
1473
1573
1673
1773
1873
1973
2073
2173
2273
2373
2473
2573
2673
2773
2873
2973
3073
3173

How January really feels in Ballymena

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Ballymena weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-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 / 6213.90.911.41.7
Apr11° / 6513.70.213.82.6
May14° / 7014.50.115.83.6
Jun17° / 10°77140174.5
Jul18° / 12°8214.8016.55.0
Aug18° / 12°8414.8014.74.9
Sep16° / 10°6712.7012.54.4
Oct13° / 8113.8010.23.1
Nov10° / 7713.80.28.11.8
Dec / 7613.10.771.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32674
42575
52575
62575
72575
82575
92674
102674
112674
122674
132674
142575
152575
162575
172575
182575
192476
202377
212377
222377
232377
242377
252377
262377
272377
282278
292377
302377
312278

Chance of precipitation in January

Any precipitationSnow

Ballymena gets around 73 mm of rain and snow over 14.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 47% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1464
2464
3464
4474
5474
6474
7474
8475
9475
10475
11475
12465
13466
14466
15466
16466
17466
18465
19465
20455
21455
22455
23455
24455
25454
26454
27454
28454
29454
30454
31464

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 17 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 hours at the start of January to 8 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over January. Sunrise moves from 8:57 AM to 8:29 AM, and sunset from 3:59 PM to 4:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.08:573:59
27.08:574:00
37.18:574:01
47.18:574:02
57.18:564:04
67.18:564:05
77.28:564:06
87.28:554:08
97.28:554:09
107.38:544:10
117.38:534:12
127.38:524:13
137.48:524:15
147.48:514:17
157.58:504:18
167.58:494:20
177.68:484:21
187.68:474:23
197.78:464:25
207.78:454:27
217.88:434:29
227.88:424:30
237.98:414:32
247.98:404:34
258.08:384:36
268.08:374:38
278.18:354:40
288.18:344:42
298.28:324:44
308.38:314:46
318.38:294:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.61 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 — January's 0.61 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.5Dim
30.5Dim
40.5Dim
50.5Dim
60.5Dim
70.5Dim
80.5Dim
90.5Dim
100.5Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.6Dim
180.6Dim
190.6Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.9Dim
Planning a trip in January

Is January a good time to visit Ballymena?

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

0.9
Sightseeing
12th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Ballymena.

What to pack for Ballymena in January

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

In January, Ballymena sees daytime highs around 7°C and nights near 3°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 14 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Ballymena in January

The nearest coast averages about 9°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 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 Ballymena in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ballymena 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 Ballymena?

Ballymena sits at 54.9°N, 6.3°W, 49 m above sea level, in United Kingdom. The nearest listed city is Antrim, 17 km away.

Topography around Ballymena

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

Within 3 km, the terrain around Ballymena has only modest variations in elevation — a maximum elevation change of 103 m around an average of 62 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, large variations in elevation — a maximum elevation change of 848 m.

The land around Ballymena is covered by grassland (56%), artificial surfaces (22%) and trees (20%) within 3 km, grassland (84%) within 16 km, and grassland (51%) and water (41%) within 80 km.

3 km
103 m
16 km
433 m
80 km
848 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Antrim 17 km · Larne 29 km · Newtownabbey 33 km · Carrickfergus 34 km · Belfast 37 km · Coleraine 39 km · Lisburn 41 km · Castlereagh 41 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 Ballymena (54.8636°, -6.2763°, elevation 49 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).