January is one of the cooler months of the year in Herne Bay, with average highs near 7.1°C and lows around 4.2°C (mean 5.7°C). It is about average for rainfall, averaging 64 mm of rainfall and 88% relative humidity across the period.
January is one of the cooler months of the year in Herne Bay. Across 45 years of records, the warmest January in Herne Bay was 2007 — when the month averaged 8.1°C — while the coldest was 1987 at 1.3°C. Typical January days reach 7.1°C with nights near 4.2°C. The long-term trend is warming, about 0.3°C per decade.
January is about average for rainfall in Herne Bay, averaging 64 mm of rainfall. The wettest January on record was 1988 with 135 mm, while the driest was 1997 at 13 mm.
Relative humidity in Herne Bay during January averages 88%. The most humid January was 2002 at 91%, and the least humid was 1991 at 85%.
January receives about 0.8 kWh/m²/day of solar energy in Herne Bay. The sunniest Januarys were 1989 and 1992 at 1 kWh/m²/day, and the cloudiest was 1987 at 0.6.
Average wind speed in Herne Bay during January is 6.3 m/s. The windiest January was 1995 at 7.8 m/s, while the calmest was 1997 at 4.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.7°C | 5.8°C | 6.1°C | 5.7°C | 6.1°C | +1.4°C |
| Avg High | 6.2°C | 7.2°C | 7.5°C | 7.1°C | 7.6°C | +1.4°C |
| Avg Low | 3.2°C | 4.4°C | 4.8°C | 4.3°C | 4.6°C | +1.4°C |
| Avg Rain | 70 mm | 57 mm | 57 mm | 69 mm | 70 mm | 0 mm |
January temperatures in Herne Bay have risen by about 1.2°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -6.1°C (1987) to a record high of 13.3°C (2007).
Rainfall in January is about average for rainfall, averaging 64 mm, with a wettest year of 135 mm.
A quieter season to visit Herne Bay
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Herne Bay. That said, January — with days averaging 7.1°C and nights around 4.2°C (mean 5.7°C) and moderate rainfall (64 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 | 5.3°C | 3.8°C | 11.2°C | 0.7°C | 75 mm | 89% | 5.2 m/s | 0.8 |
| 2024 | 7.6°C | 6.0°C | 4.4°C | 12.5°C | 0.1°C | 53 mm | 86% | 6.7 m/s | 0.9 |
| 2023 | 8.4°C | 6.8°C | 5.2°C | 12.0°C | 0.9°C | 82 mm | 88% | 6.4 m/s | 0.9 |
| 2022 | 7.7°C | 6.1°C | 4.5°C | 11.4°C | 1.8°C | 32 mm | 90% | 5.1 m/s | 0.9 |
| 2021 | 6.4°C | 5.0°C | 3.6°C | 10.4°C | 0.8°C | 121 mm | 89% | 5.9 m/s | 0.8 |
| 2020 | 8.9°C | 7.5°C | 6.0°C | 12.4°C | 3.3°C | 56 mm | 90% | 6 m/s | 0.8 |
| 2019 | 6.5°C | 5.2°C | 3.8°C | 10.3°C | 1.0°C | 36 mm | 87% | 5.7 m/s | 0.9 |
| 2018 | 8.4°C | 6.8°C | 5.2°C | 11.5°C | 2.3°C | 82 mm | 89% | 6.6 m/s | 0.8 |
| 2017 | 6.0°C | 4.7°C | 3.3°C | 9.4°C | -1.0°C | 67 mm | 87% | 4.9 m/s | 0.9 |
| 2016 | 8.4°C | 7.0°C | 5.6°C | 11.2°C | 1.5°C | 96 mm | 87% | 6.9 m/s | 0.8 |
| 2015 | 7.7°C | 5.8°C | 4.0°C | 12.2°C | 1.8°C | 87 mm | 87% | 6.7 m/s | 0.8 |
| 2014 | 8.8°C | 7.5°C | 6.2°C | 11.7°C | 4.1°C | 87 mm | 89% | 6.9 m/s | 0.8 |
| 2013 | 6.2°C | 5.0°C | 3.9°C | 11.0°C | -0.4°C | 46 mm | 87% | 5.5 m/s | 0.7 |
| 2012 | 8.2°C | 6.6°C | 5.1°C | 11.8°C | 1.4°C | 51 mm | 87% | 6 m/s | 0.8 |
| 2011 | 6.1°C | 4.8°C | 3.5°C | 10.0°C | 0.9°C | 79 mm | 91% | 5.7 m/s | 0.7 |
| 2010 | 4.3°C | 3.3°C | 2.2°C | 6.8°C | -0.1°C | 55 mm | 87% | 5 m/s | 0.7 |
| 2009 | 5.6°C | 4.3°C | 3.1°C | 9.1°C | -0.3°C | 55 mm | 86% | 5.6 m/s | 0.9 |
| 2008 | 9.3°C | 7.7°C | 6.1°C | 11.6°C | 1.8°C | 71 mm | 89% | 7.5 m/s | 0.8 |
| 2007 🔥 | 9.6°C | 8.1°C | 6.6°C | 13.3°C | 1.9°C | 60 mm | 88% | 7.7 m/s | 0.8 |
| 2006 | 6.3°C | 5.2°C | 4.1°C | 9.5°C | 0.9°C | 25 mm | 87% | 5.4 m/s | 0.8 |
| 2005 | 8.3°C | 6.9°C | 5.4°C | 11.3°C | 2.7°C | 31 mm | 88% | 7.2 m/s | 0.9 |
| 2004 | 7.7°C | 6.2°C | 4.7°C | 11.4°C | 0.4°C | 94 mm | 89% | 6.7 m/s | 0.8 |
| 2003 | 7.2°C | 5.7°C | 4.3°C | 11.9°C | 0.7°C | 73 mm | 88% | 6.8 m/s | 0.8 |
| 2002 | 7.5°C | 6.2°C | 4.8°C | 11.3°C | 0.0°C | 50 mm | 91% | 6.2 m/s | 0.8 |
| 2001 | 6.4°C | 5.2°C | 4.0°C | 10.3°C | 0.6°C | 83 mm | 88% | 5.9 m/s | 0.9 |
| 2000 | 7.3°C | 5.9°C | 4.5°C | 10.4°C | 1.9°C | 26 mm | 90% | 6 m/s | 0.9 |
| 1999 | 8.4°C | 7.0°C | 5.6°C | 11.5°C | 1.6°C | 69 mm | 88% | 6.8 m/s | 0.9 |
| 1998 | 8.2°C | 6.7°C | 5.2°C | 11.6°C | 1.3°C | 72 mm | 87% | 7.2 m/s | 0.8 |
| 1997 | 3.5°C | 2.5°C | 1.5°C | 6.5°C | -2.2°C | 13 mm | 91% | 4.6 m/s | 0.8 |
| 1996 | 6.1°C | 5.1°C | 4.1°C | 10.1°C | -2.0°C | 38 mm | 91% | 6 m/s | 0.7 |
| 1995 | 7.9°C | 6.1°C | 4.2°C | 10.6°C | 0.6°C | 114 mm | 89% | 7.8 m/s | 0.8 |
| 1994 | 7.9°C | 6.1°C | 4.4°C | 11.0°C | 1.6°C | 79 mm | 90% | 6.9 m/s | 0.8 |
| 1993 | 8.5°C | 6.6°C | 4.8°C | 12.1°C | -0.1°C | 54 mm | 88% | 6.9 m/s | 0.7 |
| 1992 | 6.3°C | 5.0°C | 3.8°C | 10.3°C | 0.7°C | 20 mm | 88% | 5.1 m/s | 1 |
| 1991 | 6.7°C | 5.4°C | 4.1°C | 11.0°C | 1.2°C | 49 mm | 85% | 6.1 m/s | 0.9 |
| 1990 | 8.7°C | 7.2°C | 5.8°C | 11.4°C | 3.0°C | 61 mm | 90% | 7.1 m/s | 0.9 |
| 1989 | 7.9°C | 6.4°C | 4.8°C | 9.6°C | 1.8°C | 29 mm | 90% | 4.9 m/s | 1 |
| 1988 🌧️ | 8.3°C | 6.8°C | 5.3°C | 11.6°C | 2.0°C | 135 mm | 91% | 6.8 m/s | 0.8 |
| 1987 ❄️ | 2.5°C | 1.3°C | 0.2°C | 9.7°C | -6.1°C | 35 mm | 85% | 5 m/s | 0.6 |
| 1986 | 6.1°C | 4.6°C | 3.2°C | 9.8°C | 0.3°C | 88 mm | 87% | 7.5 m/s | 0.8 |
| 1985 | 3.8°C | 2.3°C | 0.8°C | 9.0°C | -3.8°C | 72 mm | 87% | 6 m/s | 0.9 |
| 1984 | 6.9°C | 5.1°C | 3.4°C | 11.5°C | 0.7°C | 108 mm | 87% | 7.6 m/s | 0.8 |
| 1983 | 8.4°C | 6.5°C | 4.7°C | 11.4°C | -1.0°C | 54 mm | 90% | 7.4 m/s | — |
| 1982 | 5.3°C | 3.9°C | 2.5°C | 10.0°C | -2.0°C | 59 mm | 89% | 5.6 m/s | — |
| 1981 | 6.6°C | 5.0°C | 3.5°C | 9.6°C | 0.6°C | 54 mm | 90% | 5.8 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 4.2°C (mean 5.7°C), based on 45 years of NASA POWER data.
January averages 64 mm of rainfall in Herne Bay, about average for rainfall. The wettest on record was 135 mm in 1988.
The hottest January reached 13.3°C in 2007. The coldest dipped to -6.1°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.2°C. Daytime highs moved from 6.2°C to 7.4°C and overnight lows from 3°C to 4.3°C over the same span.
January is one of the cooler months of the year in Herne Bay and about average for rainfall, so plan for around 7.1°C daytime highs and 4.2°C at night.
Not quite — January is the 2nd coolest month in Herne Bay, averaging 5.7°C.
For January in Herne Bay, pack warm layers and a jacket for chilly mornings, with typical highs of 7.1°C and lows of 4.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 88% — quite humid.
Average wind speed in January is 6.3 m/s. The windiest January on record averaged 7.8 m/s (1995).
The wettest January on record was 1988 with 135 mm. On average, January sees 64 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 Herne Bay 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.
