December is one of the cooler months of the year in Inverness, with average highs near 4.1°C and lows around 0.3°C (mean 2.2°C). It is about average for rainfall, averaging 72 mm of rainfall and 95% relative humidity across the period.
December is one of the cooler months of the year in Inverness. Across 45 years of records, the warmest December in Inverness was 1988 — when the month averaged 4.7°C — while the coldest was 1981 at -2.3°C. Typical December days reach 4.1°C with nights near 0.3°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Inverness, averaging 72 mm of rainfall. The wettest December on record was 2024 with 119 mm, while the driest was 1995 at 27 mm.
Relative humidity in Inverness during December averages 95%. The most humid December was 2002 at 98%, and the least humid was 2013 at 92%.
December receives about 0.3 kWh/m²/day of solar energy in Inverness. The sunniest Decembers were 2022, 2023 and 2024, among others at 0.3 kWh/m²/day, and the cloudiest were 2011, 2013 and 2017, among others at 0.2.
Average wind speed in Inverness during December is 4 m/s. The windiest December was 2013 at 5.9 m/s, while the calmest was 2010 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 1.9°C | 1.7°C | 2.3°C | 2.5°C | 2.7°C | +0.8°C |
| Avg High | 3.8°C | 3.5°C | 4.2°C | 4.4°C | 4.5°C | +0.7°C |
| Avg Low | -0.1°C | -0.1°C | 0.4°C | 0.6°C | 0.9°C | +1°C |
| Avg Rain | 64 mm | 72 mm | 66 mm | 77 mm | 89 mm | +25 mm |
December temperatures in Inverness have risen by about 1.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -11.7°C (1995) to a record high of 11.7°C (2016).
Rainfall in December is about average for rainfall, averaging 72 mm, with a wettest year of 119 mm.
A quieter season to visit Inverness
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Inverness. That said, December — with days averaging 4.1°C and nights around 0.3°C (mean 2.2°C) and moderate rainfall (72 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 | 5.4°C | 3.7°C | 2.0°C | 11.0°C | -1.9°C | 66 mm | 96% | 3.5 m/s | — |
| 2024 🌧️ | 6.3°C | 4.1°C | 2.0°C | 11.2°C | -2.6°C | 119 mm | 95% | 4.6 m/s | 0.3 |
| 2023 | 4.1°C | 2.5°C | 0.8°C | 10.3°C | -5.8°C | 100 mm | 96% | 3.9 m/s | 0.3 |
| 2022 | 2.9°C | 1.1°C | -0.7°C | 7.8°C | -4.0°C | 65 mm | 97% | 3 m/s | 0.3 |
| 2021 | 4.2°C | 2.2°C | 0.3°C | 9.5°C | -3.3°C | 75 mm | 96% | 3.1 m/s | 0.3 |
| 2020 | 4.3°C | 2.7°C | 1.0°C | 9.2°C | -3.2°C | 105 mm | 97% | 3.4 m/s | 0.3 |
| 2019 | 5.1°C | 3.2°C | 1.3°C | 10.5°C | -2.5°C | 76 mm | 96% | 4.1 m/s | 0.3 |
| 2018 | 4.5°C | 2.8°C | 1.1°C | 9.2°C | -2.0°C | 58 mm | 96% | 3.7 m/s | 0.3 |
| 2017 | 4.3°C | 2.6°C | 0.8°C | 10.3°C | -3.6°C | 67 mm | 96% | 3.9 m/s | 0.2 |
| 2016 | 6.3°C | 4.3°C | 2.2°C | 11.7°C | -2.4°C | 63 mm | 94% | 5 m/s | 0.3 |
| 2015 | 6.6°C | 4.3°C | 2.0°C | 11.5°C | -1.4°C | 100 mm | 93% | 5.4 m/s | 0.3 |
| 2014 | 3.9°C | 2.2°C | 0.4°C | 8.5°C | -2.3°C | 83 mm | 94% | 4.7 m/s | 0.3 |
| 2013 | 5.9°C | 3.9°C | 1.9°C | 10.5°C | -3.1°C | 73 mm | 92% | 5.9 m/s | 0.2 |
| 2012 | 2.7°C | 1.0°C | -0.8°C | 9.2°C | -6.0°C | 114 mm | 96% | 3.8 m/s | 0.3 |
| 2011 | 4.3°C | 2.2°C | 0.2°C | 10.4°C | -3.0°C | 105 mm | 93% | 5.2 m/s | 0.2 |
| 2010 | 0.3°C | -1.6°C | -3.5°C | 5.8°C | -8.9°C | 33 mm | 97% | 2.3 m/s | 0.3 |
| 2009 | 1.7°C | 0.1°C | -1.6°C | 6.4°C | -5.4°C | 43 mm | 97% | 2.5 m/s | 0.3 |
| 2008 | 3.7°C | 1.6°C | -0.5°C | 9.5°C | -6.6°C | 55 mm | 95% | 3.7 m/s | 0.3 |
| 2007 | 4.2°C | 2.2°C | 0.2°C | 10.7°C | -5.5°C | 64 mm | 95% | 4.2 m/s | 0.3 |
| 2006 | 5.9°C | 3.9°C | 1.8°C | 10.5°C | -1.7°C | 89 mm | 95% | 4.8 m/s | 0.3 |
| 2005 | 5.1°C | 3.2°C | 1.4°C | 9.7°C | -4.4°C | 42 mm | 96% | 3.5 m/s | 0.3 |
| 2004 | 5.8°C | 3.7°C | 1.5°C | 10.0°C | -3.3°C | 81 mm | 94% | 5 m/s | 0.3 |
| 2003 | 4.7°C | 2.5°C | 0.4°C | 9.0°C | -5.2°C | 83 mm | 96% | 3.7 m/s | 0.3 |
| 2002 | 3.4°C | 1.9°C | 0.5°C | 7.7°C | -3.8°C | 31 mm | 98% | 2.4 m/s | 0.3 |
| 2001 | 3.9°C | 1.8°C | -0.3°C | 9.3°C | -5.0°C | 69 mm | 94% | 3.3 m/s | 0.3 |
| 2000 | 3.7°C | 2.2°C | 0.7°C | 9.8°C | -4.7°C | 103 mm | 96% | 3.5 m/s | 0.2 |
| 1999 | 2.6°C | 0.7°C | -1.2°C | 9.3°C | -7.1°C | 119 mm | 96% | 4.1 m/s | 0.3 |
| 1998 | 5.1°C | 3.0°C | 0.8°C | 10.6°C | -3.7°C | 64 mm | 95% | 4.7 m/s | 0.2 |
| 1997 | 4.9°C | 3.2°C | 1.6°C | 10.4°C | -1.5°C | 76 mm | 96% | 3.7 m/s | 0.2 |
| 1996 | 2.5°C | 0.8°C | -1.0°C | 8.5°C | -5.0°C | 45 mm | 97% | 3 m/s | 0.3 |
| 1995 | 1.6°C | -0.4°C | -2.3°C | 9.2°C | -11.7°C | 27 mm | 97% | 2.7 m/s | 0.3 |
| 1994 | 4.8°C | 3.1°C | 1.3°C | 11.2°C | -2.9°C | 105 mm | 94% | 5.1 m/s | 0.2 |
| 1993 | 2.1°C | 0.4°C | -1.3°C | 7.9°C | -6.8°C | 99 mm | 95% | 4 m/s | 0.2 |
| 1992 | 2.7°C | 1.2°C | -0.3°C | 8.5°C | -5.4°C | 67 mm | 96% | 4.1 m/s | 0.3 |
| 1991 | 5.2°C | 3.2°C | 1.2°C | 9.3°C | -1.9°C | 49 mm | 95% | 4.6 m/s | 0.3 |
| 1990 | 3.6°C | 1.8°C | -0.1°C | 9.9°C | -3.0°C | 65 mm | 94% | 4.5 m/s | 0.2 |
| 1989 | 2.3°C | 0.6°C | -1.2°C | 8.2°C | -6.3°C | 35 mm | 97% | 2.7 m/s | 0.3 |
| 1988 🔥 | 6.6°C | 4.7°C | 2.8°C | 10.8°C | -3.2°C | 53 mm | 94% | 5.4 m/s | 0.2 |
| 1987 | 4.4°C | 2.5°C | 0.6°C | 10.4°C | -5.1°C | 47 mm | 96% | 3.5 m/s | 0.3 |
| 1986 | 3.8°C | 1.9°C | 0.1°C | 10.1°C | -3.5°C | 91 mm | 94% | 4.7 m/s | 0.2 |
| 1985 | 4.5°C | 2.5°C | 0.4°C | 10.5°C | -7.6°C | 95 mm | 95% | 4 m/s | 0.2 |
| 1984 | 4.8°C | 2.9°C | 1.1°C | 9.8°C | -2.7°C | 50 mm | 95% | 3.8 m/s | 0.3 |
| 1983 | 5.3°C | 3.2°C | 1.2°C | 10.3°C | -3.1°C | 79 mm | 95% | 4.8 m/s | — |
| 1982 | 2.8°C | 0.8°C | -1.2°C | 8.5°C | -5.4°C | 89 mm | 95% | 4.2 m/s | — |
| 1981 ❄️ | -0.2°C | -2.3°C | -4.4°C | 8.9°C | -9.5°C | 35 mm | 96% | 2.8 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 4.1°C with lows near 0.3°C (mean 2.2°C), based on 45 years of NASA POWER data.
December averages 72 mm of rainfall in Inverness, about average for rainfall. The wettest on record was 119 mm in 2024.
The hottest December reached 11.7°C in 2016. The coldest dipped to -11.7°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.3°C. Daytime highs moved from 3.4°C to 4.6°C and overnight lows from -0.6°C to 0.9°C over the same span.
December is one of the cooler months of the year in Inverness and about average for rainfall, so plan for around 4.1°C daytime highs and 0.3°C at night.
Not quite — December is the 3rd coolest month in Inverness, averaging 2.2°C.
For December in Inverness, pack warm layers and a jacket for chilly mornings, with typical highs of 4.1°C and lows of 0.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 95% — quite humid.
Average wind speed in December is 4 m/s. The windiest December on record averaged 5.9 m/s (2013).
The wettest December on record was 2024 with 119 mm. On average, December sees 72 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 Inverness 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.
