Neath weather in January

In January, Neath sees average daytime highs of 7°C and overnight lows near 2°C, with 139 mm of precipitation across 16.3 wet days and about 8.1 hours of daylight. It is the 12th-warmest and 2nd-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 12% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 36 min at the start of January to 8 h 42 min by month's end. Set against the rest of the year, January is Neath's 10th-clearest and 1st-windiest month. For the whole year in context, see Neath's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
139 mm
16.3 wet days
Daylight
8 h 06 min
8:23 AM – 4:26 PM
Cloud cover
76%
10th clearest
Wind
17 km/h
1st windiest
Solar energy
0.8 kWh/m²
Travel score
0.6
out of 10

Neath is town and community in county borough of Neath Port Talbot, Wales.

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 Neath reaches about 7°C in the afternoon and slips back to 2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 10°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)
172
272
373
473
573
673
773
873
973
1073
1173
1273
1373
1473
1572
1672
1772
1872
1972
2072
2172
2272
2372
2472
2572
2672
2762
2862
2962
3062
3162

How January really feels in Neath

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.

Neath weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13916.31.48.10.6
Feb / 10613.21.69.60.8
Mar / 9514.30.911.51.6
Apr12° / 8814.10.413.62.7
May15° / 10014.80.115.33.7
Jun17° / 10°10214.4016.34.7
Jul19° / 12°10715.8015.95.1
Aug18° / 12°11315.4014.45.1
Sep16° / 10°9713.2012.44.6
Oct13° / 13415.40.110.43.1
Nov10° / 13115.90.48.61.7
Dec / 14615.50.97.70.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52476
62674
72674
82674
92674
102773
112773
122773
132773
142872
152872
162872
172872
182872
192872
202773
212773
222773
232674
242674
252575
262575
272575
282575
292575
302476
312476

Chance of precipitation in January

Any precipitationSnow

Neath gets around 139 mm of rain and snow over 16.3 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 52% and peaks near 56% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1534
2544
3544
4544
5554
6554
7554
8564
9564
10564
11564
12564
13554
14555
15545
16545
17535
18525
19525
20515
21505
22505
23495
24496
25486
26486
27486
28486
29486
30486
31487

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

05101520151015202531
Wind speed (km/h)Feels
117light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light 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 h 36 min at the start of January to 8 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over January. Sunrise moves from 8:29 AM to 8:06 AM, and sunset from 4:08 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.68:294:08
27.78:294:09
37.78:294:10
47.78:294:11
57.78:284:12
67.88:284:13
77.88:284:14
87.88:274:15
97.88:274:17
107.98:264:18
117.98:264:19
127.98:254:21
138.08:254:22
148.08:244:23
158.08:234:25
168.18:234:26
178.18:224:28
188.18:214:29
198.28:204:31
208.28:194:32
218.38:184:34
228.38:174:36
238.48:164:37
248.48:154:39
258.48:144:41
268.58:134:42
278.58:114:44
288.68:104:46
298.68:094:47
308.78:084:49
318.78:064:51

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.8 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.49 kWh/m² in June across the year — January's 0.8 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.6Dim
30.7Dim
40.7Dim
50.7Dim
60.7Dim
70.7Dim
80.7Dim
90.7Dim
100.7Dim
110.7Dim
120.7Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.8Dim
180.8Dim
190.8Dim
200.9Dim
210.9Dim
220.9Dim
230.9Dim
240.9Dim
251.0Dim
261.0Dim
271.0Dim
281.0Dim
291.1Dim
301.1Dim
311.1Dim
Planning a trip in January

Is January a good time to visit Neath?

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

0.6
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 Neath.

What to pack for Neath in January

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

In January, Neath sees daytime highs around 7°C and nights near 2°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 16 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Neath in January

The nearest coast averages about 8°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February 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
Jan8Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct15Cool
Nov12Bracing
Dec10Bracing

UV index in Neath in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Neath peaks around August 13 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 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Neath?

Neath sits at 51.7°N, 3.8°W, 13 m above sea level, in United Kingdom. The nearest listed city is Briton Ferry, 4.0 km away.

Topography around Neath

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

Within 3 km, the terrain around Neath has significant variations in elevation — a maximum elevation change of 286 m around an average of 82 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 600 m; within 80 km, large variations in elevation — a maximum elevation change of 870 m.

The land around Neath is covered by trees (44%), grassland (31%) and artificial surfaces (23%) within 3 km, trees (40%) and grassland (35%) within 16 km, and grassland (48%) and water (31%) within 80 km.

3 km
286 m
16 km
600 m
80 km
870 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Briton Ferry 4.0 km · Clydach 7.0 km · Swansea 11 km · Maesteg 12 km · Gorseinon 16 km · Ammanford 19 km · Porthcawl 22 km · Coity 23 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 Neath (51.6632°, -3.8044°, elevation 13 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).