January is one of the cooler months of the year in Llandudno, with average highs near 7.1°C and lows around 4.6°C (mean 5.9°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 87% relative humidity across the period.
January is one of the cooler months of the year in Llandudno. Across 45 years of records, the warmest January in Llandudno was 2007 — when the month averaged 8°C — while the coldest was 1987 at 2.5°C. Typical January days reach 7.1°C with nights near 4.6°C. The long-term trend is warming, about 0.3°C per decade.
January is a relatively wet time of year in Llandudno, averaging 96 mm of rainfall. The wettest January on record was 2021 with 178 mm, while the driest was 1997 at 13 mm.
Relative humidity in Llandudno during January averages 87%. The most humid January was 1982 at 91%, and the least humid was 1984 at 84%.
January receives about 0.7 kWh/m²/day of solar energy in Llandudno. The sunniest Januarys were 1985, 1992 and 2001 at 0.8 kWh/m²/day, and the cloudiest were 1984 and 2008 at 0.5.
Average wind speed in Llandudno during January is 6.4 m/s. The windiest January was 1983 at 8.4 m/s, while the calmest was 1997 at 4.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.9°C | 5.6°C | 6.5°C | 5.8°C | 6.4°C | +1.5°C |
| Avg High | 6.2°C | 6.9°C | 7.7°C | 6.9°C | 7.6°C | +1.4°C |
| Avg Low | 3.7°C | 4.3°C | 5.3°C | 4.6°C | 5.3°C | +1.6°C |
| Avg Rain | 94 mm | 91 mm | 93 mm | 95 mm | 111 mm | +16 mm |
January temperatures in Llandudno have risen by about 1.4°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -5.1°C (1982) to a record high of 12.2°C (2015).
Rainfall in January is a relatively wet time of year, averaging 96 mm, with a wettest year of 178 mm.
A quieter season to visit Llandudno
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Llandudno. That said, January — with days averaging 7.1°C and nights around 4.6°C (mean 5.9°C) and higher rainfall (96 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 6.8°C | 5.6°C | 4.4°C | 11.0°C | 1.6°C | 117 mm | 87% | 5.3 m/s | 0.7 |
| 2024 | 7.8°C | 6.6°C | 5.4°C | 11.8°C | 2.6°C | 138 mm | 85% | 6.3 m/s | 0.7 |
| 2023 | 8.2°C | 7.0°C | 5.7°C | 11.6°C | 2.6°C | 106 mm | 87% | 6.5 m/s | 0.7 |
| 2022 | 8.0°C | 6.8°C | 5.6°C | 11.9°C | 2.3°C | 39 mm | 86% | 5.5 m/s | 0.7 |
| 2021 🌧️ | 6.4°C | 5.3°C | 4.2°C | 9.7°C | 1.8°C | 178 mm | 87% | 5.5 m/s | 0.6 |
| 2020 | 8.5°C | 7.3°C | 6.2°C | 11.2°C | 3.3°C | 87 mm | 89% | 6.2 m/s | 0.6 |
| 2019 | 7.1°C | 6.2°C | 5.3°C | 9.8°C | 1.1°C | 61 mm | 85% | 5.3 m/s | 0.7 |
| 2018 | 7.5°C | 6.2°C | 4.8°C | 11.0°C | 2.0°C | 117 mm | 88% | 7 m/s | 0.7 |
| 2017 | 7.1°C | 5.8°C | 4.6°C | 9.7°C | 0.8°C | 65 mm | 89% | 5.3 m/s | 0.6 |
| 2016 | 8.1°C | 6.9°C | 5.7°C | 11.6°C | 2.7°C | 157 mm | 87% | 6.7 m/s | 0.6 |
| 2015 | 7.4°C | 6.1°C | 4.8°C | 12.2°C | 2.3°C | 105 mm | 84% | 7.7 m/s | 0.7 |
| 2014 | 7.7°C | 6.5°C | 5.4°C | 10.1°C | 2.1°C | 119 mm | 89% | 6.5 m/s | 0.6 |
| 2013 | 6.2°C | 5.2°C | 4.1°C | 10.4°C | -0.1°C | 87 mm | 88% | 5.9 m/s | 0.6 |
| 2012 | 7.7°C | 6.4°C | 5.2°C | 11.3°C | 1.2°C | 86 mm | 87% | 6.8 m/s | 0.7 |
| 2011 | 5.9°C | 4.7°C | 3.6°C | 10.0°C | 0.1°C | 76 mm | 87% | 4.8 m/s | 0.7 |
| 2010 | 4.5°C | 3.6°C | 2.7°C | 7.5°C | -0.1°C | 78 mm | 87% | 5.4 m/s | 0.6 |
| 2009 | 6.3°C | 5.0°C | 3.8°C | 9.8°C | -0.1°C | 91 mm | 87% | 6 m/s | 0.7 |
| 2008 | 8.8°C | 7.5°C | 6.2°C | 11.2°C | 2.0°C | 164 mm | 88% | 7.4 m/s | 0.5 |
| 2007 🔥 | 9.2°C | 8.0°C | 6.7°C | 11.7°C | 3.0°C | 120 mm | 86% | 8.3 m/s | 0.7 |
| 2006 | 7.2°C | 6.0°C | 4.7°C | 10.5°C | 1.3°C | 46 mm | 88% | 5.2 m/s | 0.7 |
| 2005 | 8.8°C | 7.4°C | 6.1°C | 12.1°C | 3.4°C | 73 mm | 86% | 8.2 m/s | 0.6 |
| 2004 | 8.1°C | 7.0°C | 5.9°C | 10.8°C | 2.5°C | 124 mm | 87% | 6.7 m/s | 0.6 |
| 2003 | 7.1°C | 6.1°C | 5.0°C | 10.2°C | 0.8°C | 92 mm | 87% | 6.8 m/s | 0.7 |
| 2002 | 8.1°C | 6.7°C | 5.4°C | 10.9°C | 0.1°C | 81 mm | 90% | 6.5 m/s | 0.6 |
| 2001 | 5.9°C | 4.9°C | 3.8°C | 9.7°C | 0.1°C | 55 mm | 88% | 5.4 m/s | 0.8 |
| 2000 | 7.6°C | 6.6°C | 5.6°C | 10.5°C | 3.7°C | 84 mm | 88% | 6.3 m/s | 0.7 |
| 1999 | 8.0°C | 6.7°C | 5.3°C | 11.1°C | 2.7°C | 134 mm | 88% | 6.6 m/s | 0.7 |
| 1998 | 7.6°C | 6.4°C | 5.2°C | 11.4°C | 2.0°C | 131 mm | 86% | 6.3 m/s | 0.6 |
| 1997 | 4.9°C | 3.7°C | 2.5°C | 9.0°C | -1.3°C | 13 mm | 90% | 4.3 m/s | 0.7 |
| 1996 | 5.9°C | 4.9°C | 3.8°C | 10.3°C | -0.9°C | 58 mm | 91% | 7 m/s | 0.6 |
| 1995 | 7.3°C | 5.8°C | 4.4°C | 10.5°C | 1.5°C | 139 mm | 86% | 7.5 m/s | 0.6 |
| 1994 | 7.1°C | 5.8°C | 4.6°C | 10.3°C | 1.9°C | 104 mm | 88% | 7.1 m/s | 0.6 |
| 1993 | 7.8°C | 6.1°C | 4.5°C | 10.8°C | -0.3°C | 87 mm | 87% | 8 m/s | 0.6 |
| 1992 | 6.6°C | 5.3°C | 4.0°C | 10.2°C | 0.4°C | 40 mm | 88% | 4.9 m/s | 0.8 |
| 1991 | 5.5°C | 4.1°C | 2.7°C | 10.7°C | 0.4°C | 77 mm | 86% | 6.1 m/s | 0.7 |
| 1990 | 8.6°C | 7.3°C | 6.0°C | 10.8°C | 3.2°C | 122 mm | 88% | 7.7 m/s | 0.6 |
| 1989 | 8.5°C | 7.2°C | 5.9°C | 11.1°C | 3.7°C | 48 mm | 88% | 6.4 m/s | 0.7 |
| 1988 | 7.2°C | 6.0°C | 4.8°C | 11.1°C | 2.3°C | 139 mm | 89% | 6.6 m/s | 0.7 |
| 1987 ❄️ | 3.7°C | 2.5°C | 1.4°C | 9.2°C | -4.1°C | 39 mm | 86% | 4.9 m/s | 0.6 |
| 1986 | 5.7°C | 4.5°C | 3.3°C | 9.5°C | 0.3°C | 116 mm | 86% | 7.6 m/s | 0.6 |
| 1985 | 4.3°C | 3.0°C | 1.6°C | 9.0°C | -4.3°C | 73 mm | 86% | 5.2 m/s | 0.8 |
| 1984 | 6.1°C | 4.7°C | 3.3°C | 10.7°C | 0.0°C | 134 mm | 84% | 7.8 m/s | 0.5 |
| 1983 | 8.0°C | 6.6°C | 5.2°C | 10.7°C | 0.7°C | 105 mm | 87% | 8.4 m/s | — |
| 1982 | 5.1°C | 3.8°C | 2.6°C | 9.8°C | -5.1°C | 92 mm | 91% | 6 m/s | — |
| 1981 | 7.5°C | 6.2°C | 4.9°C | 10.0°C | 2.1°C | 101 mm | 86% | 6.8 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 7.1°C with lows near 4.6°C (mean 5.9°C), based on 45 years of NASA POWER data.
January averages 96 mm of rainfall in Llandudno, a relatively wet time of year. The wettest on record was 178 mm in 2021.
The hottest January reached 12.2°C in 2015. The coldest dipped to -5.1°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.4°C. Daytime highs moved from 6.2°C to 7.4°C and overnight lows from 3.5°C to 5.1°C over the same span.
January is one of the cooler months of the year in Llandudno and a relatively wet time of year, so plan for around 7.1°C daytime highs and 4.6°C at night.
Not quite — January is the 2nd coolest month in Llandudno, averaging 5.9°C.
For January in Llandudno, pack warm layers and a jacket for chilly mornings, with typical highs of 7.1°C and lows of 4.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 87% — quite humid.
Average wind speed in January is 6.4 m/s. The windiest January on record averaged 8.4 m/s (1983).
The wettest January on record was 2021 with 178 mm. On average, January sees 96 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Llandudno behaves each January, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for January specifically, along with year-by-year records and how the month has changed over the decades.
