January is one of the cooler months of the year in Kilwinning, with average highs near 6.3°C and lows around 3.5°C (mean 4.9°C). It is a relatively wet time of year, averaging 130 mm of rainfall and 90% relative humidity across the period.
January is one of the cooler months of the year in Kilwinning. Across 45 years of records, the warmest January in Kilwinning was 1989 — when the month averaged 7.2°C — while the coldest was 1985 at 1.5°C. Typical January days reach 6.3°C with nights near 3.5°C. The long-term trend is warming, about 0.3°C per decade.
January is a relatively wet time of year in Kilwinning, averaging 130 mm of rainfall. The wettest January on record was 2008 with 198 mm, while the driest was 1997 at 39 mm.
Relative humidity in Kilwinning during January averages 90%. The most humid Januarys were 1982 and 1997 at 92%, and the least humid was 1984 at 87%.
January receives about 0.5 kWh/m²/day of solar energy in Kilwinning. The sunniest Januarys were 2023, 2024 and 2025, among others at 0.6 kWh/m²/day, and the cloudiest were 2014, 2016 and 2020, among others at 0.4.
Average wind speed in Kilwinning during January is 6 m/s. The windiest January was 1993 at 8.5 m/s, while the calmest was 1997 at 3.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.1°C | 4.9°C | 5.6°C | 4.8°C | 5.5°C | +1.4°C |
| Avg High | 5.5°C | 6.4°C | 7.0°C | 6.2°C | 6.8°C | +1.3°C |
| Avg Low | 2.7°C | 3.4°C | 4.1°C | 3.4°C | 4.1°C | +1.4°C |
| Avg Rain | 130 mm | 141 mm | 136 mm | 128 mm | 104 mm | -25 mm |
January temperatures in Kilwinning have risen by about 1.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -6.4°C (1982) to a record high of 12°C (2020).
Rainfall in January is a relatively wet time of year, averaging 130 mm, with a wettest year of 198 mm.
A quieter season to visit Kilwinning
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Kilwinning. That said, January — with days averaging 6.3°C and nights around 3.5°C (mean 4.9°C) and higher rainfall (130 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 | 6.6°C | 5.3°C | 3.9°C | 10.7°C | 0.5°C | 64 mm | 91% | 5 m/s | 0.6 |
| 2024 | 6.6°C | 5.2°C | 3.7°C | 11.6°C | -0.4°C | 119 mm | 89% | 5.7 m/s | 0.6 |
| 2023 | 7.4°C | 6.0°C | 4.6°C | 10.7°C | 0.3°C | 124 mm | 90% | 5.9 m/s | 0.6 |
| 2022 | 7.8°C | 6.3°C | 4.8°C | 11.7°C | 2.3°C | 72 mm | 90% | 5.7 m/s | 0.5 |
| 2021 | 4.9°C | 3.6°C | 2.3°C | 9.0°C | 0.3°C | 119 mm | 90% | 4.6 m/s | 0.6 |
| 2020 | 7.7°C | 6.4°C | 5.1°C | 12.0°C | 2.1°C | 127 mm | 91% | 6.6 m/s | 0.4 |
| 2019 | 6.5°C | 5.1°C | 3.7°C | 10.0°C | -0.1°C | 65 mm | 89% | 4.9 m/s | 0.6 |
| 2018 | 6.1°C | 4.8°C | 3.5°C | 10.3°C | -0.1°C | 177 mm | 91% | 6.1 m/s | 0.5 |
| 2017 | 7.1°C | 5.6°C | 4.2°C | 10.0°C | 1.3°C | 82 mm | 90% | 5.3 m/s | 0.5 |
| 2016 | 6.6°C | 5.2°C | 3.9°C | 11.1°C | 0.9°C | 185 mm | 91% | 6.3 m/s | 0.4 |
| 2015 | 6.4°C | 4.9°C | 3.4°C | 11.7°C | 0.4°C | 184 mm | 88% | 7.4 m/s | 0.5 |
| 2014 | 6.7°C | 5.4°C | 4.1°C | 8.8°C | 0.9°C | 148 mm | 92% | 6 m/s | 0.4 |
| 2013 | 5.9°C | 4.6°C | 3.3°C | 10.3°C | -0.5°C | 138 mm | 91% | 5.9 m/s | 0.5 |
| 2012 | 7.1°C | 5.6°C | 4.0°C | 10.1°C | 0.4°C | 131 mm | 89% | 6.5 m/s | 0.5 |
| 2011 | 5.2°C | 3.9°C | 2.6°C | 10.2°C | 0.3°C | 97 mm | 90% | 4.4 m/s | 0.6 |
| 2010 | 4.0°C | 2.7°C | 1.3°C | 8.2°C | -2.3°C | 74 mm | 90% | 5 m/s | 0.6 |
| 2009 | 6.0°C | 4.7°C | 3.4°C | 10.0°C | 0.5°C | 129 mm | 91% | 6 m/s | 0.5 |
| 2008 🌧️ | 7.2°C | 5.9°C | 4.5°C | 11.3°C | 1.4°C | 198 mm | 91% | 6.4 m/s | 0.4 |
| 2007 | 8.1°C | 6.6°C | 5.1°C | 11.6°C | 1.0°C | 166 mm | 89% | 7.4 m/s | 0.5 |
| 2006 | 7.0°C | 5.6°C | 4.2°C | 10.9°C | 1.3°C | 86 mm | 91% | 5 m/s | 0.5 |
| 2005 | 8.1°C | 6.4°C | 4.7°C | 11.2°C | 0.3°C | 136 mm | 90% | 7.6 m/s | 0.5 |
| 2004 | 7.0°C | 5.7°C | 4.3°C | 10.1°C | 0.4°C | 180 mm | 91% | 5.8 m/s | 0.5 |
| 2003 | 6.2°C | 4.8°C | 3.4°C | 10.9°C | -1.3°C | 118 mm | 90% | 6.2 m/s | 0.5 |
| 2002 | 8.0°C | 6.4°C | 4.9°C | 10.5°C | 1.3°C | 148 mm | 92% | 6.3 m/s | 0.5 |
| 2001 | 5.1°C | 3.8°C | 2.6°C | 8.1°C | -1.4°C | 81 mm | 92% | 4.9 m/s | 0.6 |
| 2000 | 7.2°C | 5.7°C | 4.3°C | 9.5°C | 1.2°C | 121 mm | 90% | 5.9 m/s | 0.6 |
| 1999 | 6.6°C | 5.3°C | 3.9°C | 9.3°C | 1.4°C | 192 mm | 91% | 6.1 m/s | 0.5 |
| 1998 | 6.8°C | 5.3°C | 3.9°C | 10.6°C | 0.1°C | 148 mm | 90% | 5.5 m/s | 0.6 |
| 1997 | 5.0°C | 3.7°C | 2.3°C | 9.4°C | -1.4°C | 39 mm | 92% | 3.9 m/s | 0.5 |
| 1996 | 5.9°C | 4.8°C | 3.7°C | 9.7°C | -0.2°C | 116 mm | 92% | 7 m/s | 0.4 |
| 1995 | 6.0°C | 4.4°C | 2.8°C | 10.0°C | -1.5°C | 171 mm | 89% | 6.8 m/s | 0.5 |
| 1994 | 6.0°C | 4.6°C | 3.1°C | 8.8°C | 0.5°C | 146 mm | 90% | 6.8 m/s | 0.4 |
| 1993 | 7.4°C | 5.5°C | 3.5°C | 11.2°C | 0.7°C | 195 mm | 88% | 8.5 m/s | 0.5 |
| 1992 | 6.7°C | 5.3°C | 3.8°C | 11.0°C | 1.0°C | 100 mm | 92% | 4.9 m/s | 0.5 |
| 1991 | 5.3°C | 3.9°C | 2.4°C | 10.3°C | 0.3°C | 117 mm | 90% | 6.2 m/s | 0.4 |
| 1990 | 7.8°C | 6.3°C | 4.8°C | 11.3°C | 2.0°C | 189 mm | 91% | 7.4 m/s | 0.5 |
| 1989 🔥 | 8.4°C | 7.2°C | 6.0°C | 10.7°C | 3.7°C | 144 mm | 91% | 7 m/s | 0.4 |
| 1988 | 6.0°C | 4.7°C | 3.4°C | 10.1°C | 0.8°C | 166 mm | 90% | 6 m/s | 0.5 |
| 1987 | 3.6°C | 2.3°C | 1.0°C | 8.5°C | -4.4°C | 53 mm | 89% | 4.7 m/s | 0.6 |
| 1986 | 5.0°C | 3.7°C | 2.3°C | 9.9°C | -1.0°C | 142 mm | 88% | 7 m/s | 0.5 |
| 1985 ❄️ | 2.9°C | 1.5°C | 0.1°C | 8.5°C | -4.3°C | 61 mm | 89% | 4.2 m/s | 0.6 |
| 1984 | 4.8°C | 3.3°C | 1.8°C | 10.1°C | -2.4°C | 180 mm | 87% | 7.1 m/s | 0.5 |
| 1983 | 7.4°C | 5.9°C | 4.3°C | 11.2°C | -0.6°C | 154 mm | 89% | 8.4 m/s | — |
| 1982 | 4.6°C | 3.2°C | 1.8°C | 9.2°C | -6.4°C | 133 mm | 92% | 5.6 m/s | — |
| 1981 | 6.9°C | 5.2°C | 3.5°C | 10.1°C | 0.4°C | 134 mm | 90% | 6.3 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 6.3°C with lows near 3.5°C (mean 4.9°C), based on 45 years of NASA POWER data.
January averages 130 mm of rainfall in Kilwinning, a relatively wet time of year. The wettest on record was 198 mm in 2008.
The hottest January reached 12°C in 2020. The coldest dipped to -6.4°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.5°C. Daytime highs moved from 5.3°C to 6.7°C and overnight lows from 2.3°C to 3.9°C over the same span.
January is one of the cooler months of the year in Kilwinning and a relatively wet time of year, so plan for around 6.3°C daytime highs and 3.5°C at night.
Not quite — January is the 2nd coolest month in Kilwinning, averaging 4.9°C.
For January in Kilwinning, pack warm layers and a jacket for chilly mornings, with typical highs of 6.3°C and lows of 3.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 90% — quite humid.
Average wind speed in January is 6 m/s. The windiest January on record averaged 8.5 m/s (1993).
The wettest January on record was 2008 with 198 mm. On average, January sees 130 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 Kilwinning 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.
