December is one of the cooler months of the year in Gorleston-on-Sea, with average highs near 8°C and lows around 5.5°C (mean 6.8°C). It is a relatively wet time of year, averaging 82 mm of rainfall and 88% relative humidity across the period.
December is one of the cooler months of the year in Gorleston-on-Sea. Across 45 years of records, the warmest December in Gorleston-on-Sea was 2015 — when the month averaged 10.2°C — while the coldest was 2010 at 3.2°C. Typical December days reach 8°C with nights near 5.5°C. The long-term trend is warming, about 0.4°C per decade.
December is a relatively wet time of year in Gorleston-on-Sea, averaging 82 mm of rainfall. The wettest December on record was 2002 with 136 mm, while the driest was 2016 at 28 mm.
Relative humidity in Gorleston-on-Sea during December averages 88%. The most humid December was 1988 at 92%, and the least humid was 1995 at 83%.
December receives about 0.6 kWh/m²/day of solar energy in Gorleston-on-Sea. The sunniest Decembers were 2013, 2014 and 2016, among others at 0.7 kWh/m²/day, and the cloudiest were 1997 and 2002 at 0.4.
Average wind speed in Gorleston-on-Sea during December is 6.4 m/s. The windiest December was 1986 at 7.9 m/s, while the calmest were 1991 and 2016 at 5.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.5°C | 6.1°C | 6.7°C | 7.0°C | 7.7°C | +1.2°C |
| Avg High | 7.7°C | 7.4°C | 7.9°C | 8.3°C | 8.9°C | +1.2°C |
| Avg Low | 5.3°C | 4.8°C | 5.5°C | 5.8°C | 6.5°C | +1.2°C |
| Avg Rain | 73 mm | 85 mm | 79 mm | 87 mm | 90 mm | +17 mm |
December temperatures in Gorleston-on-Sea have risen by about 1.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -1.5°C (1996) to a record high of 13.5°C (2006).
Rainfall in December is a relatively wet time of year, averaging 82 mm, with a wettest year of 136 mm.
A quieter season to visit Gorleston-on-Sea
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Gorleston-on-Sea. That said, December — with days averaging 8°C and nights around 5.5°C (mean 6.8°C) and higher rainfall (82 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 | 9.5°C | 8.4°C | 7.3°C | 12.5°C | 3.1°C | 60 mm | 88% | 6.7 m/s | — |
| 2024 | 9.1°C | 7.8°C | 6.6°C | 12.2°C | 3.6°C | 61 mm | 90% | 6.6 m/s | 0.6 |
| 2023 | 9.4°C | 8.2°C | 6.9°C | 12.4°C | 2.8°C | 116 mm | 89% | 7.3 m/s | 0.5 |
| 2022 | 8.1°C | 6.9°C | 5.7°C | 11.3°C | 1.9°C | 73 mm | 86% | 6.1 m/s | 0.6 |
| 2021 | 8.6°C | 7.4°C | 6.1°C | 11.9°C | 3.8°C | 94 mm | 90% | 5.8 m/s | 0.5 |
| 2020 | 8.5°C | 7.4°C | 6.3°C | 11.8°C | 3.3°C | 135 mm | 88% | 5.9 m/s | 0.6 |
| 2019 | 8.9°C | 7.6°C | 6.3°C | 11.5°C | 4.2°C | 110 mm | 90% | 6.6 m/s | 0.6 |
| 2018 | 9.1°C | 8.0°C | 6.8°C | 12.7°C | 2.6°C | 93 mm | 89% | 6 m/s | 0.6 |
| 2017 | 7.5°C | 6.2°C | 4.8°C | 10.5°C | 1.9°C | 111 mm | 90% | 6.6 m/s | 0.6 |
| 2016 | 8.9°C | 7.8°C | 6.7°C | 11.6°C | 3.8°C | 28 mm | 91% | 5.2 m/s | 0.7 |
| 2015 🔥 | 11.5°C | 10.2°C | 9.0°C | 12.9°C | 6.2°C | 71 mm | 89% | 7.7 m/s | 0.5 |
| 2014 | 8.3°C | 6.8°C | 5.3°C | 11.9°C | 2.7°C | 91 mm | 87% | 7.2 m/s | 0.7 |
| 2013 | 8.8°C | 7.4°C | 6.0°C | 11.6°C | 3.7°C | 72 mm | 89% | 7.1 m/s | 0.7 |
| 2012 | 7.4°C | 6.2°C | 5.0°C | 10.5°C | 1.9°C | 133 mm | 89% | 6.7 m/s | 0.6 |
| 2011 | 8.3°C | 6.9°C | 5.5°C | 11.7°C | 2.1°C | 111 mm | 88% | 7.8 m/s | 0.7 |
| 2010 ❄️ | 4.1°C | 3.2°C | 2.3°C | 7.0°C | -1.1°C | 48 mm | 85% | 5.5 m/s | 0.6 |
| 2009 | 7.2°C | 6.0°C | 4.9°C | 12.3°C | 1.3°C | 111 mm | 86% | 6.3 m/s | 0.6 |
| 2008 | 6.7°C | 5.7°C | 4.7°C | 9.9°C | 2.5°C | 50 mm | 89% | 5.7 m/s | 0.6 |
| 2007 | 8.3°C | 6.9°C | 5.6°C | 12.6°C | 2.9°C | 66 mm | 88% | 6.4 m/s | 0.6 |
| 2006 | 9.8°C | 8.5°C | 7.2°C | 13.5°C | 4.1°C | 97 mm | 88% | 6.6 m/s | 0.5 |
| 2005 | 7.4°C | 6.3°C | 5.2°C | 9.7°C | 1.4°C | 54 mm | 88% | 6.2 m/s | 0.6 |
| 2004 | 7.8°C | 6.6°C | 5.3°C | 10.9°C | 1.5°C | 46 mm | 90% | 5.5 m/s | 0.6 |
| 2003 | 8.3°C | 7.0°C | 5.8°C | 11.4°C | 2.8°C | 85 mm | 87% | 6 m/s | 0.6 |
| 2002 🌧️ | 8.0°C | 7.0°C | 6.0°C | 11.4°C | 2.0°C | 136 mm | 88% | 6.2 m/s | 0.4 |
| 2001 | 7.3°C | 5.9°C | 4.5°C | 11.8°C | 1.1°C | 54 mm | 85% | 6 m/s | 0.6 |
| 2000 | 8.0°C | 7.1°C | 6.1°C | 12.2°C | 1.0°C | 91 mm | 88% | 7 m/s | 0.5 |
| 1999 | 7.3°C | 5.8°C | 4.4°C | 11.3°C | 1.9°C | 109 mm | 89% | 7.7 m/s | 0.6 |
| 1998 | 7.6°C | 6.4°C | 5.2°C | 11.1°C | 1.8°C | 108 mm | 91% | 6.3 m/s | 0.5 |
| 1997 | 8.7°C | 7.5°C | 6.2°C | 13.0°C | 1.4°C | 109 mm | 88% | 6.9 m/s | 0.4 |
| 1996 | 6.0°C | 4.8°C | 3.6°C | 10.6°C | -1.5°C | 56 mm | 83% | 5.9 m/s | 0.5 |
| 1995 | 5.9°C | 4.9°C | 3.9°C | 11.0°C | 1.0°C | 83 mm | 83% | 5.3 m/s | 0.5 |
| 1994 | 9.5°C | 8.1°C | 6.7°C | 12.7°C | 2.8°C | 85 mm | 87% | 7.1 m/s | 0.6 |
| 1993 | 7.5°C | 5.9°C | 4.4°C | 12.6°C | 2.4°C | 132 mm | 90% | 7.5 m/s | 0.5 |
| 1992 | 7.1°C | 5.9°C | 4.6°C | 11.8°C | 2.4°C | 67 mm | 87% | 5.7 m/s | 0.6 |
| 1991 | 7.0°C | 5.8°C | 4.7°C | 11.3°C | 0.2°C | 37 mm | 87% | 5.2 m/s | 0.6 |
| 1990 | 7.2°C | 5.9°C | 4.6°C | 10.2°C | 2.0°C | 66 mm | 86% | 6.9 m/s | 0.6 |
| 1989 | 8.6°C | 7.3°C | 6.1°C | 12.3°C | 3.0°C | 97 mm | 87% | 5.4 m/s | 0.6 |
| 1988 | 8.5°C | 7.2°C | 6.0°C | 10.7°C | 3.9°C | 40 mm | 92% | 6.2 m/s | 0.5 |
| 1987 | 8.1°C | 7.1°C | 6.1°C | 12.1°C | 2.1°C | 34 mm | 88% | 5.8 m/s | 0.6 |
| 1986 | 8.3°C | 6.9°C | 5.4°C | 12.9°C | 2.6°C | 94 mm | 88% | 7.9 m/s | 0.6 |
| 1985 | 8.4°C | 7.3°C | 6.1°C | 11.9°C | 0.9°C | 110 mm | 90% | 6.4 m/s | 0.6 |
| 1984 | 8.2°C | 7.0°C | 5.8°C | 12.3°C | 2.4°C | 69 mm | 88% | 5.5 m/s | 0.6 |
| 1983 | 7.8°C | 6.6°C | 5.4°C | 11.0°C | 2.7°C | 67 mm | 88% | 6.8 m/s | — |
| 1982 | 7.1°C | 5.7°C | 4.3°C | 11.2°C | 1.5°C | 68 mm | 87% | 6.5 m/s | — |
| 1981 | 4.6°C | 3.5°C | 2.4°C | 8.6°C | -0.2°C | 77 mm | 84% | 6 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 8°C with lows near 5.5°C (mean 6.8°C), based on 45 years of NASA POWER data.
December averages 82 mm of rainfall in Gorleston-on-Sea, a relatively wet time of year. The wettest on record was 136 mm in 2002.
The hottest December reached 13.5°C in 2006. The coldest dipped to -1.5°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.7°C. Daytime highs moved from 7.2°C to 8.9°C and overnight lows from 4.8°C to 6.5°C over the same span.
December is one of the cooler months of the year in Gorleston-on-Sea and a relatively wet time of year, so plan for around 8°C daytime highs and 5.5°C at night.
Not quite — December is the 4th coolest month in Gorleston-on-Sea, averaging 6.8°C.
For December in Gorleston-on-Sea, pack warm layers and a jacket for chilly mornings, with typical highs of 8°C and lows of 5.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 88% — quite humid.
Average wind speed in December is 6.4 m/s. The windiest December on record averaged 7.9 m/s (1986).
The wettest December on record was 2002 with 136 mm. On average, December sees 82 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 Gorleston-on-Sea behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
