December is one of the cooler months of the year in Workington, with average highs near 7.4°C and lows around 4.9°C (mean 6.2°C). It is a relatively wet time of year, averaging 133 mm of rainfall and 89% relative humidity across the period.
December is one of the cooler months of the year in Workington. Across 45 years of records, the warmest December in Workington was 2015 — when the month averaged 8.7°C — while the coldest was 2010 at 2.3°C. Typical December days reach 7.4°C with nights near 4.9°C. The long-term trend is warming, about 0.3°C per decade.
December is a relatively wet time of year in Workington, averaging 133 mm of rainfall. The wettest December on record was 2015 with 335 mm, while the driest was 2010 at 40 mm.
Relative humidity in Workington during December averages 89%. The most humid December was 2018 at 92%, and the least humid was 1981 at 86%.
December receives about 0.4 kWh/m²/day of solar energy in Workington. The sunniest Decembers were 2014, 2017 and 2022, among others at 0.5 kWh/m²/day, and the cloudiest was 1988 at 0.3.
Average wind speed in Workington during December is 6.2 m/s. The windiest December was 2015 at 8.2 m/s, while the calmest was 2010 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.9°C | 5.8°C | 6.2°C | 6.5°C | 6.9°C | +1°C |
| Avg High | 7.1°C | 7.0°C | 7.5°C | 7.8°C | 8.0°C | +0.9°C |
| Avg Low | 4.7°C | 4.5°C | 4.9°C | 5.2°C | 5.7°C | +1°C |
| Avg Rain | 125 mm | 128 mm | 121 mm | 143 mm | 156 mm | +31 mm |
December temperatures in Workington have risen by about 1.5°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -2.3°C (1995) to a record high of 13°C (2025).
Rainfall in December is a relatively wet time of year, averaging 133 mm, with a wettest year of 335 mm.
A quieter season to visit Workington
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Workington. That said, December — with days averaging 7.4°C and nights around 4.9°C (mean 6.2°C) and higher rainfall (133 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 | 8.5°C | 7.6°C | 6.6°C | 13.0°C | 2.1°C | 176 mm | 90% | 6.2 m/s | — |
| 2024 | 9.0°C | 7.7°C | 6.4°C | 11.7°C | 3.0°C | 134 mm | 91% | 6.5 m/s | 0.4 |
| 2023 | 8.5°C | 7.4°C | 6.2°C | 11.1°C | 1.7°C | 202 mm | 90% | 7.1 m/s | 0.4 |
| 2022 | 6.6°C | 5.4°C | 4.2°C | 11.6°C | 0.1°C | 109 mm | 88% | 5.4 m/s | 0.5 |
| 2021 | 8.0°C | 6.8°C | 5.6°C | 11.3°C | 2.7°C | 143 mm | 91% | 5.7 m/s | 0.4 |
| 2020 | 7.4°C | 6.3°C | 5.2°C | 11.4°C | 1.5°C | 172 mm | 89% | 6 m/s | 0.4 |
| 2019 | 7.9°C | 6.8°C | 5.6°C | 11.8°C | 2.6°C | 117 mm | 90% | 6.3 m/s | 0.4 |
| 2018 | 8.3°C | 7.2°C | 6.1°C | 11.1°C | 1.9°C | 143 mm | 92% | 5.6 m/s | 0.4 |
| 2017 | 7.4°C | 6.1°C | 4.8°C | 11.7°C | 0.5°C | 111 mm | 90% | 5.6 m/s | 0.5 |
| 2016 | 8.8°C | 7.6°C | 6.4°C | 12.0°C | 3.2°C | 75 mm | 91% | 5.8 m/s | 0.4 |
| 2015 🔥 🌧️ | 10.3°C | 8.7°C | 7.1°C | 12.6°C | 2.3°C | 335 mm | 89% | 8.2 m/s | 0.4 |
| 2014 | 7.7°C | 6.5°C | 5.3°C | 11.1°C | 2.1°C | 118 mm | 88% | 6.7 m/s | 0.5 |
| 2013 | 8.8°C | 7.4°C | 6.0°C | 11.2°C | 3.7°C | 162 mm | 87% | 8.1 m/s | 0.4 |
| 2012 | 6.7°C | 5.4°C | 4.0°C | 10.1°C | 1.2°C | 179 mm | 90% | 6.3 m/s | 0.4 |
| 2011 | 8.0°C | 6.7°C | 5.3°C | 10.8°C | 2.2°C | 152 mm | 88% | 7.8 m/s | 0.4 |
| 2010 ❄️ | 3.6°C | 2.3°C | 1.1°C | 7.3°C | -1.7°C | 40 mm | 89% | 4.1 m/s | 0.5 |
| 2009 | 6.0°C | 4.8°C | 3.7°C | 10.4°C | 0.4°C | 106 mm | 88% | 5.3 m/s | 0.5 |
| 2008 | 6.7°C | 5.4°C | 4.1°C | 10.6°C | 0.6°C | 102 mm | 89% | 5.2 m/s | 0.5 |
| 2007 | 7.8°C | 6.5°C | 5.2°C | 12.4°C | 1.5°C | 135 mm | 90% | 6.5 m/s | 0.5 |
| 2006 | 9.0°C | 7.6°C | 6.2°C | 12.3°C | 3.2°C | 188 mm | 88% | 6.9 m/s | 0.4 |
| 2005 | 7.8°C | 6.6°C | 5.4°C | 11.0°C | 1.3°C | 78 mm | 90% | 5.3 m/s | 0.5 |
| 2004 | 8.5°C | 7.3°C | 6.0°C | 10.8°C | 2.4°C | 103 mm | 90% | 6.2 m/s | 0.4 |
| 2003 | 7.9°C | 6.3°C | 4.7°C | 11.0°C | 1.3°C | 138 mm | 90% | 5.7 m/s | 0.4 |
| 2002 | 6.7°C | 5.7°C | 4.7°C | 10.6°C | 2.5°C | 123 mm | 91% | 5.7 m/s | 0.4 |
| 2001 | 7.1°C | 5.4°C | 3.8°C | 11.4°C | 1.2°C | 78 mm | 88% | 5.7 m/s | 0.5 |
| 2000 | 7.3°C | 6.4°C | 5.4°C | 11.9°C | 0.1°C | 156 mm | 89% | 6.7 m/s | 0.4 |
| 1999 | 7.1°C | 5.7°C | 4.2°C | 10.8°C | 0.5°C | 189 mm | 87% | 7.5 m/s | 0.4 |
| 1998 | 8.2°C | 6.8°C | 5.4°C | 11.4°C | 1.3°C | 121 mm | 89% | 6.5 m/s | 0.4 |
| 1997 | 8.2°C | 7.0°C | 5.8°C | 11.6°C | 2.1°C | 148 mm | 90% | 6.5 m/s | 0.4 |
| 1996 | 5.5°C | 4.4°C | 3.3°C | 9.7°C | 1.0°C | 72 mm | 90% | 5.6 m/s | 0.4 |
| 1995 | 5.1°C | 4.0°C | 2.8°C | 10.8°C | -2.3°C | 52 mm | 88% | 5.5 m/s | 0.4 |
| 1994 | 8.5°C | 7.2°C | 5.9°C | 12.5°C | 1.4°C | 164 mm | 88% | 7.4 m/s | 0.4 |
| 1993 | 6.8°C | 5.4°C | 4.0°C | 10.5°C | 0.5°C | 193 mm | 89% | 7.3 m/s | 0.4 |
| 1992 | 6.4°C | 5.2°C | 4.0°C | 9.8°C | 0.6°C | 110 mm | 88% | 5.6 m/s | 0.4 |
| 1991 | 7.6°C | 6.4°C | 5.1°C | 10.9°C | 1.6°C | 83 mm | 89% | 5.6 m/s | 0.4 |
| 1990 | 6.8°C | 5.5°C | 4.1°C | 10.1°C | 1.0°C | 150 mm | 86% | 6.6 m/s | 0.4 |
| 1989 | 6.2°C | 5.2°C | 4.1°C | 10.4°C | 1.9°C | 87 mm | 88% | 5.3 m/s | 0.4 |
| 1988 | 9.1°C | 7.9°C | 6.7°C | 10.7°C | 2.6°C | 106 mm | 91% | 6.7 m/s | 0.3 |
| 1987 | 7.3°C | 6.2°C | 5.1°C | 10.5°C | 0.5°C | 101 mm | 90% | 5.8 m/s | 0.4 |
| 1986 | 7.8°C | 6.3°C | 4.9°C | 12.2°C | 2.0°C | 217 mm | 88% | 7.5 m/s | 0.4 |
| 1985 | 7.8°C | 6.7°C | 5.6°C | 12.3°C | -1.0°C | 144 mm | 89% | 6.1 m/s | 0.4 |
| 1984 | 7.6°C | 6.3°C | 5.1°C | 11.0°C | 1.7°C | 113 mm | 89% | 6.2 m/s | 0.4 |
| 1983 | 8.1°C | 6.7°C | 5.4°C | 10.8°C | 1.4°C | 150 mm | 90% | 6.8 m/s | — |
| 1982 | 6.6°C | 5.2°C | 3.9°C | 10.3°C | 0.9°C | 144 mm | 88% | 6.5 m/s | — |
| 1981 | 3.7°C | 2.5°C | 1.4°C | 9.7°C | -1.8°C | 62 mm | 86% | 5.3 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 7.4°C with lows near 4.9°C (mean 6.2°C), based on 45 years of NASA POWER data.
December averages 133 mm of rainfall in Workington, a relatively wet time of year. The wettest on record was 335 mm in 2015.
The hottest December reached 13°C in 2025. The coldest dipped to -2.3°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.5°C. Daytime highs moved from 6.8°C to 8.1°C and overnight lows from 4.3°C to 5.8°C over the same span.
December is one of the cooler months of the year in Workington and a relatively wet time of year, so plan for around 7.4°C daytime highs and 4.9°C at night.
Not quite — December is the 4th coolest month in Workington, averaging 6.2°C.
For December in Workington, pack warm layers and a jacket for chilly mornings, with typical highs of 7.4°C and lows of 4.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 89% — quite humid.
Average wind speed in December is 6.2 m/s. The windiest December on record averaged 8.2 m/s (2015).
The wettest December on record was 2015 with 335 mm. On average, December sees 133 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 Workington 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.
