easeweather.com
Swansea
AberdeenArchwayAylesburyBangorBasildonBathBelfastBexleyBirminghamBlackburnBlackpoolBognor RegisBoltonBournemouthBradfordBrightonBristolBuckleyBurnleyCambridgeCardiffCarlisleCarshaltonChathamChelmsfordCheltenhamChesterfieldColchesterCoventryCrawleyDawlishDerbyDerryDoncasterDudleyDundeeEastbourneEdinburghExeterFolkestoneFort WilliamGillinghamGlasgowGloucesterGreat YarmouthGuildfordHarlowHarrowHigh WycombeHuddersfieldIlfordInvernessIpswichKingston upon HullLeedsLeicesterLittlehamptonLiverpoolLondonLutonMaidstoneManchesterMansfieldMargateMilton KeynesNewcastle upon TyneNewportNorthamptonNorwichNottinghamOldhamOxfordPerthPeterboroughPlymouthPoolePortsmouthPrestonReadingRoyal Tunbridge WellsSheffieldSloughSouthallSouthamptonSouthend-on-SeaSt HelensStaffordStevenageStoke-on-TrentSunderland
Swansea
SwindonTauntonTorquayUxbridgeWeymouthWiganWolverhamptonWorthingWrexhamYork More Locations
United Kingdom weather

Weather in Swansea for January 2026

Your guide to Swansea weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Rain Warning - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Swansea during January is quite rare, with fewer than 2 snowy days on average.
    According to Swansea snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, January 2026 in Swansea is slightly cooler than the historical average by -0.7 °C.

  • The forecast for the next days in Swansea predicts temperatures to be around 7 °C, close to the historical average.

  • In general, the average temperature in Swansea at the beginning of January is 7.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 7.9 °C by the end of January.

    • Rain 🌧️

  • Swansea experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 146.2 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
1
Snow days
Average temperatures
7°/4°
Temperatures
Average wind speed
33 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Swansea Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy rain shower
9°
2
Overcast
8°
3
Moderate or heavy rain shower
7°
4
Patchy rain possible
7°
5
Patchy rain possible
8°
6
Light rain shower
8°
7
Moderate or heavy rain shower
7°
8
Moderate or heavy rain shower
5°
9
Patchy rain possible
6°
10
Moderate or heavy rain shower
7°
11
Moderate rain at times
8°
12
Heavy rain at times
8°
13
Patchy rain possible
8°
14
Patchy rain possible
8°
15
Patchy rain possible
7°
16
Overcast
7°
17
Overcast
6°
18
Patchy rain possible
6°
19
Partly cloudy
6°
20
Heavy rain at times
7°
21
Overcast
8°
22
Patchy rain possible
8°
23
Light rain shower
8°
24
Sunny
9°
25
Light rain shower
8°
26
Partly cloudy
9°
27
Light rain shower
8°
28
Weather Alert Patchy rain possible
7°
29
Weather Alert Moderate rain
7°
30
Weather Alert Moderate rain
8°
31
Moderate rain
8°

Temperatures trend during January in Swansea

See the weather trend as well as the moving average line

January weather in Swansea day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /5° 10.2 mm 0 cm
2 Jan. Overcast
Overcast
 8° /4° 4.3 mm 0 cm
3 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /4° 8.1 mm 0.2 cm
4 Jan. Patchy rain possible
Patchy rain possible
 7° /4° 9.4 mm 1.8 cm
5 Jan. Patchy rain possible
Patchy rain possible
 8° /4° 9.3 mm 0.4 cm
6 Jan. Light rain shower
Light rain shower
 8° /3° 2.7 mm 0 cm
7 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /3° 8.6 mm 0 cm
8 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 5° /2° 11.3 mm 1.5 cm
9 Jan. Patchy rain possible
Patchy rain possible
 6° /2° 1.6 mm 0.2 cm
10 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /2° 7.5 mm 0 cm
11 Jan. Moderate rain at times
Moderate rain at times
 8° /4° 6.7 mm 0 cm
12 Jan. Heavy rain at times
Heavy rain at times
 8° /5° 4.1 mm 0 cm
13 Jan. Patchy rain possible
Patchy rain possible
 8° /4° 1.9 mm 0 cm
14 Jan. Patchy rain possible
Patchy rain possible
 8° /4° 5.1 mm 0 cm
15 Jan. Patchy rain possible
Patchy rain possible
 7° /4° 1.7 mm 0 cm
16 Jan. Overcast
Overcast
 7° /3° 2 mm 0 cm
17 Jan. Overcast
Overcast
 6° /2° 0.6 mm 0 cm
18 Jan. Patchy rain possible
Patchy rain possible
 6° /2° 0.4 mm 0 cm
19 Jan. Partly cloudy
Partly cloudy
 6° /3° 0.1 mm 0 cm
20 Jan. Heavy rain at times
Heavy rain at times
 7° /4° 2.6 mm 0 cm
21 Jan. Overcast
Overcast
 8° /4° 2.9 mm 0 cm
22 Jan. Patchy rain possible
Patchy rain possible
 8° /5° 2.1 mm 0 cm
23 Jan. Light rain shower
Light rain shower
 8° /5° 8.7 mm 0 cm
24 Jan. Sunny
Sunny
 9° /5° 7.2 mm 0 cm
25 Jan. Light rain shower
Light rain shower
 8° /5° 5.6 mm 0 cm
26 Jan. Partly cloudy
Partly cloudy
 9° /4° 9.4 mm 0 cm
27 Jan. Light rain shower
Light rain shower
 8° /4° 6.8 mm 0 cm
28 Jan. Patchy rain possible
Patchy rain possible
 7° /4° 0.3 mm 0 cm
29 Jan. Moderate rain
Moderate rain
 7° /5° 6 mm 0 cm
30 Jan. Moderate rain
Moderate rain
 8° /6° 14.7 mm 0 cm
31 Jan. Moderate rain
Moderate rain
 8° /6° 10 mm 0 cm
Next
Important Notice
Our weather forecast for Swansea in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Swansea forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Swansea in January - FAQ

What are the expected maximum and minimum temperatures in Swansea during January?

Prepare for cooler days with highs just around 7° and colder nights, dipping below 4°.

How much rainfall should be expected in Swansea during January?

Significant rainfall exceeding 146.2 mm is expected in Swansea during January, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Swansea in January 2026?

Swansea typically sees 2.40333 cm of snowfall during January.

What are the typical wind conditions in Swansea during January?

The average wind speed in Swansea during January is 33 km/h, suggesting breezy to windy conditions, depending on your activities.

Swansea snow forecast January 2026

Track daily snowfall levels and discover Swansea’s snowy potential this January ❄️
On average, Swansea sees 1 snowy days during January, with approximately 2.4 cm of total snowfall.

January rainfall patterns in Swansea

Explore the daily rainfall trends and prepare for Swanseas January weather 💧
Typically, Swansea has 22 rainy days in January with a total of 146.2 mm of rainfall.

Quick links

More Swansea weather pages
You are here
Location coordinates Where is Swansea?

Get accurate weather forecasts for Swansea, located at latitude 51.621 and longitude -3.943. Stay updated with localized weather information tailored for Swansea.

Found a mistake?
We appreciate your attention to details. Tell us here.