January is one of the cooler months of the year in Plymstock, with average highs near 8°C and lows around 4.6°C (mean 6.3°C). It is a relatively wet time of year, averaging 124 mm of rainfall and 90% relative humidity across the period.
January is one of the cooler months of the year in Plymstock. Across 45 years of records, the warmest Januarys in Plymstock were 1990 and 2007 — when the month averaged 8°C — while the coldest was 1987 at 2.3°C. Typical January days reach 8°C with nights near 4.6°C. The long-term trend is warming, about 0.2°C per decade.
January is a relatively wet time of year in Plymstock, averaging 124 mm of rainfall. The wettest January on record was 2016 with 237 mm, while the driest was 1997 at 26 mm.
Relative humidity in Plymstock during January averages 90%. The most humid January was 1982 at 94%, and the least humid was 1984 at 85%.
January receives about 0.8 kWh/m²/day of solar energy in Plymstock. The sunniest Januarys were 1992, 2003 and 2010, among others at 1 kWh/m²/day, and the cloudiest were 1995, 1996 and 2002, among others at 0.7.
Average wind speed in Plymstock during January is 5.4 m/s. The windiest January was 1984 at 7 m/s, while the calmest was 2022 at 3.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.7°C | 6.4°C | 6.7°C | 6.3°C | 6.5°C | +0.8°C |
| Avg High | 7.5°C | 8.2°C | 8.3°C | 8.0°C | 8.3°C | +0.8°C |
| Avg Low | 3.9°C | 4.6°C | 5.1°C | 4.6°C | 4.7°C | +0.8°C |
| Avg Rain | 120 mm | 135 mm | 107 mm | 131 mm | 129 mm | +9 mm |
January temperatures in Plymstock have risen by about 0.6°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -7.7°C (1987) to a record high of 12.8°C (2016).
Rainfall in January is a relatively wet time of year, averaging 124 mm, with a wettest year of 237 mm.
A quieter season to visit Plymstock
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Plymstock. That said, January — with days averaging 8°C and nights around 4.6°C (mean 6.3°C) and higher rainfall (124 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 | 8.3°C | 6.4°C | 4.5°C | 12.7°C | 0.8°C | 151 mm | 89% | 4.6 m/s | 0.9 |
| 2024 | 7.8°C | 6.1°C | 4.3°C | 12.3°C | -0.5°C | 103 mm | 89% | 5.2 m/s | 0.9 |
| 2023 | 8.4°C | 6.5°C | 4.7°C | 12.2°C | 1.0°C | 157 mm | 89% | 5.1 m/s | 0.9 |
| 2022 | 8.9°C | 6.8°C | 4.8°C | 12.6°C | 0.5°C | 64 mm | 89% | 3.9 m/s | 0.8 |
| 2021 | 7.1°C | 5.6°C | 4.0°C | 11.1°C | 0.1°C | 170 mm | 91% | 5.1 m/s | 0.8 |
| 2020 | 9.1°C | 7.5°C | 5.8°C | 12.4°C | 1.5°C | 129 mm | 91% | 5 m/s | 0.8 |
| 2019 | 7.7°C | 6.1°C | 4.5°C | 10.4°C | 0.9°C | 81 mm | 89% | 4.2 m/s | 0.8 |
| 2018 | 9.1°C | 7.4°C | 5.6°C | 12.4°C | 1.3°C | 159 mm | 90% | 6.3 m/s | 0.8 |
| 2017 | 8.1°C | 6.4°C | 4.7°C | 11.2°C | 0.8°C | 90 mm | 89% | 4.6 m/s | 0.8 |
| 2016 🌧️ | 9.1°C | 7.5°C | 5.9°C | 12.8°C | 1.9°C | 237 mm | 89% | 6.2 m/s | 0.8 |
| 2015 | 8.7°C | 6.6°C | 4.6°C | 12.1°C | 0.1°C | 166 mm | 87% | 5.9 m/s | 0.8 |
| 2014 | 9.0°C | 7.2°C | 5.4°C | 11.7°C | 2.1°C | 152 mm | 90% | 5.7 m/s | 0.8 |
| 2013 | 7.6°C | 6.2°C | 4.7°C | 11.7°C | -2.1°C | 132 mm | 91% | 4.9 m/s | 0.8 |
| 2012 | 8.8°C | 7.3°C | 5.7°C | 11.5°C | 1.2°C | 92 mm | 89% | 5.4 m/s | 0.8 |
| 2011 | 6.6°C | 4.9°C | 3.2°C | 10.9°C | -2.5°C | 113 mm | 92% | 4.6 m/s | 0.9 |
| 2010 | 5.2°C | 3.6°C | 1.9°C | 10.1°C | -2.3°C | 88 mm | 91% | 4.4 m/s | 1 |
| 2009 | 7.1°C | 5.5°C | 3.9°C | 10.5°C | -2.8°C | 142 mm | 90% | 5.2 m/s | 0.8 |
| 2008 | 9.5°C | 7.8°C | 6.1°C | 12.1°C | 3.4°C | 125 mm | 90% | 6.1 m/s | 0.8 |
| 2007 | 9.6°C | 8.0°C | 6.5°C | 12.3°C | 0.4°C | 110 mm | 89% | 6.5 m/s | 0.8 |
| 2006 | 7.3°C | 5.7°C | 4.1°C | 10.9°C | 0.3°C | 53 mm | 91% | 4.8 m/s | 0.9 |
| 2005 | 9.2°C | 7.5°C | 5.9°C | 12.2°C | 1.7°C | 77 mm | 89% | 6.3 m/s | 0.8 |
| 2004 | 8.8°C | 7.3°C | 5.8°C | 11.6°C | -0.8°C | 145 mm | 89% | 5.6 m/s | 0.8 |
| 2003 | 7.5°C | 5.9°C | 4.4°C | 12.1°C | -0.5°C | 108 mm | 89% | 5.9 m/s | 1 |
| 2002 | 9.3°C | 7.6°C | 5.9°C | 12.2°C | 1.3°C | 136 mm | 92% | 5.7 m/s | 0.7 |
| 2001 | 7.3°C | 5.8°C | 4.4°C | 11.9°C | 1.5°C | 127 mm | 90% | 5.2 m/s | 0.9 |
| 2000 | 7.7°C | 5.9°C | 4.0°C | 11.0°C | 0.9°C | 48 mm | 90% | 4.6 m/s | 0.9 |
| 1999 | 9.1°C | 7.3°C | 5.5°C | 11.8°C | 0.5°C | 144 mm | 90% | 5.7 m/s | 0.8 |
| 1998 | 8.6°C | 6.8°C | 5.0°C | 12.4°C | 0.5°C | 152 mm | 90% | 6.6 m/s | 0.8 |
| 1997 | 5.3°C | 3.6°C | 1.9°C | 9.2°C | -4.4°C | 26 mm | 94% | 4.5 m/s | 0.8 |
| 1996 | 8.2°C | 6.7°C | 5.2°C | 11.8°C | -2.9°C | 175 mm | 94% | 6.1 m/s | 0.7 |
| 1995 | 9.0°C | 7.0°C | 5.0°C | 11.7°C | 0.1°C | 191 mm | 90% | 6.4 m/s | 0.7 |
| 1994 | 8.3°C | 6.7°C | 5.0°C | 11.0°C | 1.1°C | 168 mm | 90% | 5.8 m/s | 0.9 |
| 1993 | 9.6°C | 7.7°C | 5.7°C | 11.7°C | 1.6°C | 149 mm | 91% | 5.9 m/s | 0.8 |
| 1992 | 6.9°C | 5.1°C | 3.3°C | 11.1°C | 0.1°C | 41 mm | 92% | 4.2 m/s | 1 |
| 1991 | 6.9°C | 5.1°C | 3.4°C | 11.7°C | -1.3°C | 127 mm | 88% | 5.2 m/s | 0.8 |
| 1990 🔥 | 9.7°C | 8.0°C | 6.4°C | 11.7°C | 4.1°C | 178 mm | 91% | 6 m/s | 0.8 |
| 1989 | 9.4°C | 7.4°C | 5.3°C | 11.8°C | 1.3°C | 65 mm | 89% | 4.4 m/s | 1 |
| 1988 | 8.8°C | 7.1°C | 5.4°C | 12.0°C | 3.0°C | 207 mm | 89% | 5.9 m/s | 0.9 |
| 1987 ❄️ | 4.0°C | 2.3°C | 0.6°C | 11.3°C | -7.7°C | 30 mm | 89% | 5 m/s | 0.7 |
| 1986 | 7.6°C | 5.9°C | 4.2°C | 11.4°C | 0.3°C | 142 mm | 88% | 6.1 m/s | 0.8 |
| 1985 | 4.6°C | 2.7°C | 0.8°C | 11.1°C | -4.4°C | 109 mm | 91% | 4.4 m/s | 0.9 |
| 1984 | 8.0°C | 6.0°C | 3.9°C | 11.8°C | -1.5°C | 199 mm | 85% | 7 m/s | 0.8 |
| 1983 | 9.2°C | 7.5°C | 5.9°C | 11.9°C | 1.8°C | 134 mm | 90% | 6.2 m/s | — |
| 1982 | 7.3°C | 5.7°C | 4.1°C | 11.1°C | -2.9°C | 137 mm | 94% | 5.2 m/s | — |
| 1981 | 8.4°C | 6.5°C | 4.6°C | 10.3°C | -0.3°C | 57 mm | 89% | 5 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 8°C with lows near 4.6°C (mean 6.3°C), based on 45 years of NASA POWER data.
January averages 124 mm of rainfall in Plymstock, a relatively wet time of year. The wettest on record was 237 mm in 2016.
The hottest January reached 12.8°C in 2016. The coldest dipped to -7.7°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.6°C. Daytime highs moved from 7.5°C to 8.1°C and overnight lows from 3.9°C to 4.5°C over the same span.
January is one of the cooler months of the year in Plymstock and a relatively wet time of year, so plan for around 8°C daytime highs and 4.6°C at night.
Not quite — January is the 2nd coolest month in Plymstock, averaging 6.3°C.
For January in Plymstock, pack warm layers and a jacket for chilly mornings, with typical highs of 8°C and lows of 4.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 90% — quite humid.
Average wind speed in January is 5.4 m/s. The windiest January on record averaged 7 m/s (1984).
The wettest January on record was 2016 with 237 mm. On average, January sees 124 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 Plymstock 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.
