January is one of the cooler months of the year in Lowestoft, with average highs near 6.7°C and lows around 4°C (mean 5.4°C). It is about average for rainfall, averaging 74 mm of rainfall and 88% relative humidity across the period.
January is one of the cooler months of the year in Lowestoft. Across 45 years of records, the warmest January in Lowestoft was 2007 — when the month averaged 7.5°C — while the coldest was 1987 at 1.9°C. Typical January days reach 6.7°C with nights near 4°C. The long-term trend is warming, about 0.3°C per decade.
January is about average for rainfall in Lowestoft, averaging 74 mm of rainfall. The wettest January on record was 1988 with 133 mm, while the driest was 1997 at 17 mm.
Relative humidity in Lowestoft during January averages 88%. The most humid January was 2020 at 92%, and the least humid was 1987 at 84%.
January receives about 0.8 kWh/m²/day of solar energy in Lowestoft. The sunniest Januarys were 2022, 2023 and 2024, among others at 0.9 kWh/m²/day, and the cloudiest were 1987 and 1996 at 0.6.
Average wind speed in Lowestoft during January is 6.5 m/s. The windiest Januarys were 1986, 1995 and 2007, among others at 7.9 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 | 4.5°C | 5.4°C | 5.8°C | 5.4°C | 5.9°C | +1.4°C |
| Avg High | 5.9°C | 6.7°C | 7.1°C | 6.7°C | 7.3°C | +1.4°C |
| Avg Low | 3.1°C | 4.0°C | 4.5°C | 4.1°C | 4.5°C | +1.4°C |
| Avg Rain | 80 mm | 70 mm | 75 mm | 72 mm | 72 mm | -8 mm |
January temperatures in Lowestoft have risen by about 1.4°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -4.4°C (1987) to a record high of 12.8°C (2007).
Rainfall in January is about average for rainfall, averaging 74 mm, with a wettest year of 133 mm.
A quieter season to visit Lowestoft
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Lowestoft. That said, January — with days averaging 6.7°C and nights around 4°C (mean 5.4°C) and moderate rainfall (74 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 | 10.8°C | 0.9°C | 64 mm | 89% | 5.6 m/s | 0.8 |
| 2024 | 7.3°C | 5.8°C | 4.3°C | 11.6°C | 1.0°C | 70 mm | 86% | 7 m/s | 0.9 |
| 2023 | 7.9°C | 6.5°C | 5.0°C | 11.5°C | 1.2°C | 92 mm | 88% | 6.6 m/s | 0.9 |
| 2022 | 7.4°C | 5.8°C | 4.3°C | 11.5°C | 2.1°C | 31 mm | 90% | 5.6 m/s | 0.9 |
| 2021 | 6.1°C | 4.9°C | 3.7°C | 9.4°C | 1.4°C | 110 mm | 87% | 6.1 m/s | 0.8 |
| 2020 | 8.4°C | 7.0°C | 5.6°C | 12.0°C | 3.0°C | 66 mm | 92% | 6.2 m/s | 0.8 |
| 2019 | 6.4°C | 5.2°C | 4.0°C | 9.9°C | 1.1°C | 43 mm | 86% | 6 m/s | 0.8 |
| 2018 | 7.5°C | 6.1°C | 4.6°C | 10.8°C | 2.5°C | 69 mm | 90% | 6.7 m/s | 0.8 |
| 2017 | 6.0°C | 4.8°C | 3.6°C | 8.7°C | 0.7°C | 61 mm | 85% | 5.3 m/s | 0.8 |
| 2016 | 8.2°C | 6.9°C | 5.7°C | 11.0°C | 2.4°C | 107 mm | 86% | 7.2 m/s | 0.8 |
| 2015 | 7.1°C | 5.4°C | 3.7°C | 12.1°C | 1.5°C | 77 mm | 87% | 7 m/s | 0.8 |
| 2014 | 8.3°C | 7.0°C | 5.7°C | 11.1°C | 3.6°C | 90 mm | 89% | 7.1 m/s | 0.7 |
| 2013 | 5.8°C | 4.7°C | 3.6°C | 10.0°C | 0.1°C | 61 mm | 86% | 5.6 m/s | 0.7 |
| 2012 | 7.5°C | 6.2°C | 4.8°C | 11.2°C | 1.5°C | 60 mm | 87% | 6.3 m/s | 0.8 |
| 2011 | 5.7°C | 4.5°C | 3.2°C | 9.8°C | 0.4°C | 77 mm | 91% | 5.5 m/s | 0.7 |
| 2010 | 4.0°C | 3.1°C | 2.3°C | 5.8°C | -0.3°C | 75 mm | 86% | 5.3 m/s | 0.7 |
| 2009 | 5.4°C | 4.3°C | 3.3°C | 8.1°C | 0.3°C | 58 mm | 87% | 5.8 m/s | 0.8 |
| 2008 | 8.7°C | 7.2°C | 5.7°C | 11.2°C | 2.4°C | 87 mm | 90% | 7.5 m/s | 0.7 |
| 2007 🔥 | 9.0°C | 7.5°C | 6.0°C | 12.8°C | 2.2°C | 90 mm | 88% | 7.9 m/s | 0.8 |
| 2006 | 6.0°C | 5.0°C | 4.0°C | 8.7°C | 1.7°C | 32 mm | 87% | 5.5 m/s | 0.7 |
| 2005 | 7.9°C | 6.5°C | 5.1°C | 10.9°C | 2.6°C | 42 mm | 88% | 7.6 m/s | 0.8 |
| 2004 | 6.9°C | 5.5°C | 4.2°C | 10.7°C | 0.8°C | 122 mm | 90% | 6.9 m/s | 0.7 |
| 2003 | 6.6°C | 5.3°C | 3.9°C | 10.8°C | 0.9°C | 123 mm | 88% | 6.7 m/s | 0.7 |
| 2002 | 7.3°C | 6.0°C | 4.7°C | 10.2°C | 1.1°C | 64 mm | 91% | 6.2 m/s | 0.7 |
| 2001 | 5.9°C | 4.8°C | 3.7°C | 9.6°C | 1.2°C | 87 mm | 89% | 5.8 m/s | 0.9 |
| 2000 | 6.9°C | 5.5°C | 4.1°C | 10.6°C | 2.0°C | 44 mm | 91% | 6.3 m/s | 0.9 |
| 1999 | 7.7°C | 6.3°C | 4.9°C | 10.9°C | 1.5°C | 92 mm | 89% | 6.8 m/s | 0.8 |
| 1998 | 7.8°C | 6.4°C | 5.0°C | 11.3°C | 1.0°C | 91 mm | 87% | 7.2 m/s | 0.7 |
| 1997 | 3.6°C | 2.6°C | 1.6°C | 6.4°C | -1.5°C | 17 mm | 90% | 4.6 m/s | 0.8 |
| 1996 | 5.2°C | 4.5°C | 3.8°C | 9.4°C | -2.6°C | 38 mm | 90% | 6.6 m/s | 0.6 |
| 1995 | 7.3°C | 5.7°C | 4.1°C | 9.8°C | 1.4°C | 124 mm | 88% | 7.9 m/s | 0.7 |
| 1994 | 7.0°C | 5.4°C | 3.8°C | 10.0°C | 1.1°C | 97 mm | 90% | 7 m/s | 0.8 |
| 1993 | 7.8°C | 6.0°C | 4.2°C | 11.0°C | 0.5°C | 76 mm | 88% | 7.2 m/s | 0.7 |
| 1992 | 6.2°C | 5.0°C | 3.7°C | 9.4°C | 0.8°C | 47 mm | 88% | 5.2 m/s | 0.9 |
| 1991 | 6.3°C | 5.0°C | 3.6°C | 10.5°C | 1.7°C | 52 mm | 84% | 6.2 m/s | 0.9 |
| 1990 | 8.1°C | 6.7°C | 5.4°C | 10.8°C | 3.2°C | 66 mm | 90% | 7.3 m/s | 0.8 |
| 1989 | 7.3°C | 5.8°C | 4.3°C | 8.8°C | 1.5°C | 33 mm | 92% | 5.4 m/s | 0.9 |
| 1988 🌧️ | 7.7°C | 6.4°C | 5.1°C | 11.4°C | 1.7°C | 133 mm | 91% | 6.7 m/s | 0.7 |
| 1987 ❄️ | 3.0°C | 1.9°C | 0.8°C | 8.1°C | -4.4°C | 47 mm | 84% | 5.5 m/s | 0.6 |
| 1986 | 5.7°C | 4.3°C | 3.0°C | 9.4°C | 1.0°C | 98 mm | 87% | 7.9 m/s | 0.8 |
| 1985 | 3.8°C | 2.4°C | 0.9°C | 7.9°C | -1.9°C | 84 mm | 84% | 6.2 m/s | 0.9 |
| 1984 | 6.2°C | 4.5°C | 2.9°C | 11.1°C | 0.0°C | 115 mm | 86% | 7.7 m/s | 0.7 |
| 1983 | 7.9°C | 6.2°C | 4.5°C | 10.7°C | 0.7°C | 66 mm | 90% | 7.9 m/s | — |
| 1982 | 5.3°C | 4.0°C | 2.7°C | 9.4°C | -1.5°C | 67 mm | 88% | 5.5 m/s | — |
| 1981 | 6.0°C | 4.6°C | 3.3°C | 9.1°C | 0.8°C | 79 mm | 89% | 6.3 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 6.7°C with lows near 4°C (mean 5.4°C), based on 45 years of NASA POWER data.
January averages 74 mm of rainfall in Lowestoft, about average for rainfall. The wettest on record was 133 mm in 1988.
The hottest January reached 12.8°C in 2007. The coldest dipped to -4.4°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.4°C. Daytime highs moved from 5.8°C to 7.1°C and overnight lows from 2.9°C to 4.2°C over the same span.
January is one of the cooler months of the year in Lowestoft and about average for rainfall, so plan for around 6.7°C daytime highs and 4°C at night.
Not quite — January is the 2nd coolest month in Lowestoft, averaging 5.4°C.
For January in Lowestoft, pack warm layers and a jacket for chilly mornings, with typical highs of 6.7°C and lows of 4°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 88% — quite humid.
Average wind speed in January is 6.5 m/s. The windiest January on record averaged 7.9 m/s (1983).
The wettest January on record was 1988 with 133 mm. On average, January sees 74 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 Lowestoft 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.
