January is one of the warmer months of the year in Ashton, with average highs near 21°C and lows around 12.9°C (mean 17°C). It is about average for rainfall, averaging 63 mm of rainfall and 70% relative humidity across the period.
January is one of the warmer months of the year in Ashton. Across 45 years of records, the warmest January in Ashton was 2018 — when the month averaged 19.6°C — while the coldest was 1993 at 15.1°C. Typical January days reach 21°C with nights near 12.9°C. The long-term January temperature trend is broadly flat.
January is about average for rainfall in Ashton, averaging 63 mm of rainfall. The wettest January on record was 1991 with 135 mm, while the driest was 1998 at 14 mm.
Relative humidity in Ashton during January averages 70%. The most humid January was 2002 at 78%, and the least humid was 2009 at 63%.
January receives about 6.1 kWh/m²/day of solar energy in Ashton. The sunniest January was 2006 at 7 kWh/m²/day, and the cloudiest were 2002 and 2016 at 5.1.
Average wind speed in Ashton during January is 3.5 m/s. The windiest January was 2017 at 4.4 m/s, while the calmest was 1986 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.2°C | 16.8°C | 16.6°C | 17.1°C | 17.3°C | +0.1°C |
| Avg High | 21.4°C | 20.9°C | 20.6°C | 21.2°C | 21.2°C | -0.2°C |
| Avg Low | 13.1°C | 12.7°C | 12.7°C | 12.9°C | 13.3°C | +0.2°C |
| Avg Rain | 80 mm | 69 mm | 57 mm | 63 mm | 36 mm | -44 mm |
January temperatures in Ashton have risen by about 0.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 7.6°C (1988) to a record high of 32.1°C (2021).
Rainfall in January is about average for rainfall, averaging 63 mm, with a wettest year of 135 mm.
One of the best times to visit Ashton
January is one of the best times to visit Ashton. Expect days averaging 21°C and nights around 12.9°C (mean 17°C) — warmer than Ashton's yearly average — with moderate rainfall (63 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.8°C | 15.4°C | 12.0°C | 26.7°C | 10.2°C | 49 mm | 74% | 3.6 m/s | 6 |
| 2024 | 22.6°C | 18.4°C | 14.1°C | 28.4°C | 10.2°C | 54 mm | 67% | 3.6 m/s | 6.7 |
| 2023 | 21.2°C | 17.5°C | 13.9°C | 27.4°C | 11.4°C | 33 mm | 74% | 3.6 m/s | 6.2 |
| 2022 | 21.3°C | 17.4°C | 13.6°C | 27.4°C | 11.2°C | 30 mm | 72% | 3.4 m/s | 6.4 |
| 2021 | 21.5°C | 17.4°C | 13.3°C | 32.1°C | 10.1°C | 34 mm | 68% | 3.8 m/s | 6.1 |
| 2020 | 21.8°C | 17.4°C | 13.0°C | 29.2°C | 10.5°C | 18 mm | 69% | 3.3 m/s | 6.2 |
| 2019 | 23.5°C | 18.9°C | 14.2°C | 29.4°C | 11.6°C | 40 mm | 67% | 3.6 m/s | 6 |
| 2018 🔥 | 23.6°C | 19.6°C | 15.7°C | 31.3°C | 11.0°C | 89 mm | 75% | 3.1 m/s | 5.9 |
| 2017 | 20.7°C | 16.4°C | 12.1°C | 25.8°C | 9.3°C | 70 mm | 65% | 4.4 m/s | 6 |
| 2016 | 20.0°C | 16.4°C | 12.8°C | 28.3°C | 9.1°C | 116 mm | 73% | 3.4 m/s | 5.1 |
| 2015 | 21.8°C | 17.8°C | 13.8°C | 29.5°C | 11.0°C | 19 mm | 68% | 3.4 m/s | 6.3 |
| 2014 | 20.6°C | 16.2°C | 11.7°C | 27.0°C | 8.3°C | 44 mm | 64% | 4.2 m/s | 6.3 |
| 2013 | 21.7°C | 17.2°C | 12.8°C | 27.6°C | 8.9°C | 55 mm | 66% | 3.5 m/s | 6.9 |
| 2012 | 20.4°C | 16.2°C | 12.0°C | 25.7°C | 9.0°C | 65 mm | 68% | 3.6 m/s | 6 |
| 2011 | 20.3°C | 16.5°C | 12.7°C | 26.4°C | 9.5°C | 75 mm | 71% | 3.8 m/s | 5.6 |
| 2010 | 19.5°C | 15.5°C | 11.6°C | 26.4°C | 9.1°C | 59 mm | 74% | 3.7 m/s | 5.2 |
| 2009 | 22.7°C | 18.3°C | 13.8°C | 30.6°C | 10.9°C | 28 mm | 63% | 3 m/s | 6.4 |
| 2008 | 22.3°C | 17.6°C | 13.0°C | 28.2°C | 9.8°C | 36 mm | 69% | 3.4 m/s | 6.6 |
| 2007 | 19.3°C | 15.7°C | 12.2°C | 26.1°C | 8.1°C | 39 mm | 76% | 3.2 m/s | 5.3 |
| 2006 | 21.0°C | 16.6°C | 12.2°C | 25.9°C | 8.8°C | 78 mm | 66% | 3.8 m/s | 7 |
| 2005 | 20.4°C | 16.5°C | 12.6°C | 27.3°C | 10.1°C | 45 mm | 73% | 3 m/s | 5.9 |
| 2004 | 22.0°C | 17.9°C | 13.8°C | 31.3°C | 9.8°C | 69 mm | 68% | 3.7 m/s | 6.1 |
| 2003 | 20.4°C | 16.5°C | 12.5°C | 25.8°C | 9.3°C | 63 mm | 70% | 3.6 m/s | 5.8 |
| 2002 | 19.1°C | 16.1°C | 13.2°C | 27.9°C | 10.7°C | 105 mm | 78% | 3.6 m/s | 5.1 |
| 2001 | 19.8°C | 15.5°C | 11.2°C | 26.1°C | 9.4°C | 38 mm | 68% | 3.6 m/s | 5.9 |
| 2000 | 19.0°C | 15.6°C | 12.2°C | 28.0°C | 9.3°C | 68 mm | 74% | 3.6 m/s | 5.5 |
| 1999 | 22.4°C | 18.2°C | 13.9°C | 31.5°C | 11.2°C | 23 mm | 69% | 3.6 m/s | 6 |
| 1998 | 22.5°C | 17.9°C | 13.3°C | 30.3°C | 9.0°C | 14 mm | 63% | 3.7 m/s | 6.3 |
| 1997 | 19.1°C | 15.5°C | 11.8°C | 24.3°C | 8.8°C | 83 mm | 73% | 4 m/s | 5.9 |
| 1996 | 20.3°C | 16.7°C | 13.1°C | 27.5°C | 8.6°C | 48 mm | 77% | 3.5 m/s | 5.7 |
| 1995 | 21.1°C | 16.7°C | 12.2°C | 29.2°C | 8.2°C | 80 mm | 68% | 3.3 m/s | 6.2 |
| 1994 | 20.5°C | 16.5°C | 12.6°C | 27.3°C | 9.7°C | 107 mm | 72% | 3.4 m/s | 5.9 |
| 1993 ❄️ | 19.1°C | 15.1°C | 11.1°C | 27.1°C | 8.6°C | 94 mm | 71% | 3.8 m/s | 5.9 |
| 1992 | 21.1°C | 17.0°C | 12.9°C | 25.9°C | 8.8°C | 47 mm | 69% | 3.3 m/s | 6.4 |
| 1991 🌧️ | 21.2°C | 17.1°C | 13.0°C | 27.1°C | 9.4°C | 135 mm | 71% | 3.9 m/s | 6.1 |
| 1990 | 21.6°C | 17.3°C | 13.0°C | 27.4°C | 10.8°C | 58 mm | 67% | 3.3 m/s | 6.6 |
| 1989 | 21.6°C | 17.8°C | 13.9°C | 26.9°C | 10.8°C | 81 mm | 71% | 3 m/s | 6.5 |
| 1988 | 22.2°C | 17.4°C | 12.6°C | 27.9°C | 7.6°C | 67 mm | 67% | 3.2 m/s | 6.4 |
| 1987 | 21.8°C | 17.6°C | 13.5°C | 27.3°C | 9.6°C | 122 mm | 71% | 3.1 m/s | 6.7 |
| 1986 | 21.8°C | 18.0°C | 14.3°C | 28.7°C | 10.3°C | 87 mm | 74% | 2.9 m/s | 6.3 |
| 1985 | 22.0°C | 17.9°C | 13.7°C | 28.8°C | 10.9°C | 57 mm | 68% | 3.4 m/s | 6.9 |
| 1984 | 19.2°C | 15.5°C | 11.7°C | 25.8°C | 9.4°C | 94 mm | 70% | 3.8 m/s | 6.4 |
| 1983 | 20.5°C | 16.1°C | 11.7°C | 26.8°C | 9.5°C | 72 mm | 64% | 3.7 m/s | — |
| 1982 | 21.0°C | 16.8°C | 12.7°C | 26.9°C | 9.5°C | 115 mm | 68% | 3.7 m/s | — |
| 1981 | 22.6°C | 18.0°C | 13.4°C | 30.3°C | 10.0°C | 25 mm | 64% | 3.4 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 21°C with lows near 12.9°C (mean 17°C), based on 45 years of NASA POWER data.
January averages 63 mm of rainfall in Ashton, about average for rainfall. The wettest on record was 135 mm in 1991.
The hottest January reached 32.1°C in 2021. The coldest dipped to 7.6°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.3°C. Daytime highs moved from 21.1°C to 21.1°C and overnight lows from 12.6°C to 13.4°C over the same span.
January is one of the warmer months of the year in Ashton and about average for rainfall, so plan for around 21°C daytime highs and 12.9°C at night.
Not quite — January is the 11th coolest month in Ashton, averaging 17°C.
For January in Ashton, pack light layers you can adjust through the day, with typical highs of 21°C and lows of 12.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 70% — moderately humid.
Average wind speed in January is 3.5 m/s. The windiest January on record averaged 4.4 m/s (2017).
The wettest January on record was 1991 with 135 mm. On average, January sees 63 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 Ashton 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.
