December is one of the warmer months of the year in Peterborough, with average highs near 30.3°C and lows around 13.2°C (mean 21.8°C). It is about average for rainfall, averaging 23 mm of rainfall and 42% relative humidity across the period.
December is one of the warmer months of the year in Peterborough. Across 45 years of records, the warmest December in Peterborough was 2019 — when the month averaged 26.1°C — while the coldest was 2001 at 18.3°C. Typical December days reach 30.3°C with nights near 13.2°C. The long-term trend is warming, about 0.4°C per decade.
December is about average for rainfall in Peterborough, averaging 23 mm of rainfall. The wettest December on record was 1992 with 104 mm, while the driest were 2016, 2017 and 2018 at 0 mm.
Relative humidity in Peterborough during December averages 42%. The most humid December was 1992 at 64%, and the least humid was 1994 at 30%.
December receives about 8.1 kWh/m²/day of solar energy in Peterborough. The sunniest December was 2009 at 8.7 kWh/m²/day, and the cloudiest was 1992 at 7.
Average wind speed in Peterborough during December is 3.7 m/s. The windiest December was 1985 at 4.4 m/s, while the calmest were 1983 and 2011 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.4°C | 21.2°C | 21.5°C | 22.9°C | 21.9°C | +0.5°C |
| Avg High | 30.0°C | 29.6°C | 30.0°C | 31.3°C | 30.6°C | +0.6°C |
| Avg Low | 12.8°C | 12.7°C | 12.9°C | 14.4°C | 13.3°C | +0.5°C |
| Avg Rain | 18 mm | 33 mm | 28 mm | 19 mm | 15 mm | -3 mm |
December temperatures in Peterborough have risen by about 0.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 3.9°C (1995) to a record high of 44.7°C (2019).
Rainfall in December is about average for rainfall, averaging 23 mm, with a wettest year of 104 mm.
One of the best times to visit Peterborough
December is one of the best times to visit Peterborough. Expect days averaging 30.3°C and nights around 13.2°C (mean 21.8°C) — warmer than Peterborough's yearly average — with low rainfall (23 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.6°C | 22.6°C | 13.6°C | 39.8°C | 6.7°C | 11 mm | 35% | 3.8 m/s | — |
| 2024 | 31.9°C | 22.9°C | 13.9°C | 38.7°C | 9.6°C | 12 mm | 42% | 3.6 m/s | 8.3 |
| 2023 | 30.2°C | 21.8°C | 13.4°C | 41.8°C | 8.3°C | 31 mm | 46% | 4 m/s | 7.7 |
| 2022 | 29.2°C | 20.9°C | 12.7°C | 39.0°C | 5.0°C | 18 mm | 48% | 3.5 m/s | 8.1 |
| 2021 | 31.5°C | 22.5°C | 13.6°C | 37.8°C | 5.4°C | 6 mm | 37% | 3.4 m/s | 8.5 |
| 2020 | 29.3°C | 20.9°C | 12.5°C | 36.3°C | 6.3°C | 11 mm | 40% | 4.1 m/s | 7.8 |
| 2019 🔥 | 35.2°C | 26.1°C | 17.0°C | 44.7°C | 8.3°C | 2 mm | 31% | 3.6 m/s | 8.3 |
| 2018 | 33.4°C | 24.9°C | 16.3°C | 43.0°C | 8.2°C | 0 mm | 36% | 3.9 m/s | 7.9 |
| 2017 | 31.5°C | 22.9°C | 14.3°C | 42.1°C | 7.4°C | 0 mm | 38% | 3.7 m/s | 7.9 |
| 2016 | 31.5°C | 23.2°C | 14.9°C | 40.7°C | 7.3°C | 0 mm | 41% | 3.8 m/s | 7.7 |
| 2015 | 32.8°C | 24.3°C | 15.8°C | 42.2°C | 5.7°C | 15 mm | 32% | 3.4 m/s | 8 |
| 2014 | 30.2°C | 21.6°C | 13.0°C | 36.7°C | 8.4°C | 16 mm | 43% | 3.7 m/s | 8.4 |
| 2013 | 31.2°C | 22.6°C | 14.1°C | 41.5°C | 7.4°C | 26 mm | 38% | 3.6 m/s | 7.7 |
| 2012 | 31.1°C | 22.2°C | 13.4°C | 40.1°C | 7.0°C | 16 mm | 40% | 3.7 m/s | 8.6 |
| 2011 | 29.0°C | 20.9°C | 12.8°C | 37.7°C | 5.9°C | 50 mm | 46% | 3.3 m/s | 8 |
| 2010 | 27.4°C | 19.8°C | 12.2°C | 40.4°C | 6.8°C | 61 mm | 56% | 3.7 m/s | 8.1 |
| 2009 | 30.5°C | 21.5°C | 12.5°C | 39.8°C | 6.3°C | 12 mm | 44% | 3.4 m/s | 8.7 |
| 2008 | 27.1°C | 19.6°C | 12.1°C | 33.7°C | 6.8°C | 68 mm | 55% | 3.7 m/s | 7.6 |
| 2007 | 30.6°C | 22.1°C | 13.6°C | 40.6°C | 6.8°C | 31 mm | 41% | 3.7 m/s | 8.1 |
| 2006 | 30.7°C | 21.9°C | 13.1°C | 41.0°C | 5.4°C | 27 mm | 35% | 3.6 m/s | 8.2 |
| 2005 | 30.5°C | 21.6°C | 12.7°C | 42.2°C | 7.1°C | 21 mm | 46% | 4.3 m/s | 8.4 |
| 2004 | 28.5°C | 20.3°C | 12.2°C | 37.1°C | 6.1°C | 47 mm | 48% | 3.7 m/s | 8.3 |
| 2003 | 32.1°C | 23.4°C | 14.7°C | 39.6°C | 8.3°C | 33 mm | 41% | 3.5 m/s | 8 |
| 2002 | 31.2°C | 22.5°C | 13.7°C | 41.0°C | 6.0°C | 13 mm | 35% | 4 m/s | 7.9 |
| 2001 ❄️ | 26.4°C | 18.3°C | 10.3°C | 35.6°C | 5.2°C | 12 mm | 53% | 3.8 m/s | 7.8 |
| 2000 | 32.1°C | 23.3°C | 14.5°C | 39.9°C | 6.9°C | 18 mm | 36% | 3.5 m/s | 8.2 |
| 1999 | 28.3°C | 20.2°C | 12.0°C | 36.9°C | 6.7°C | 26 mm | 47% | 3.8 m/s | 8.1 |
| 1998 | 31.7°C | 22.6°C | 13.5°C | 40.0°C | 7.2°C | 16 mm | 40% | 3.5 m/s | 8.5 |
| 1997 | 30.7°C | 22.2°C | 13.7°C | 37.8°C | 7.9°C | 47 mm | 46% | 3.4 m/s | 8.3 |
| 1996 | 30.2°C | 21.1°C | 12.1°C | 39.1°C | 6.3°C | 12 mm | 40% | 3.9 m/s | 8 |
| 1995 | 28.3°C | 19.9°C | 11.6°C | 36.7°C | 3.9°C | 25 mm | 41% | 3.8 m/s | 7.9 |
| 1994 | 33.2°C | 23.9°C | 14.6°C | 42.4°C | 6.8°C | 6 mm | 30% | 3.7 m/s | 8.6 |
| 1993 | 27.4°C | 19.8°C | 12.2°C | 34.9°C | 4.8°C | 68 mm | 52% | 4 m/s | 7.3 |
| 1992 🌧️ | 26.2°C | 19.4°C | 12.6°C | 33.1°C | 8.2°C | 104 mm | 64% | 3.7 m/s | 7 |
| 1991 | 29.0°C | 20.4°C | 11.8°C | 38.5°C | 5.5°C | 2 mm | 42% | 3.9 m/s | 8.2 |
| 1990 | 30.9°C | 22.1°C | 13.2°C | 40.0°C | 6.4°C | 29 mm | 43% | 4 m/s | 8.3 |
| 1989 | 30.9°C | 22.0°C | 13.2°C | 41.1°C | 6.5°C | 20 mm | 41% | 3.7 m/s | 8.3 |
| 1988 | 30.9°C | 22.8°C | 14.6°C | 38.6°C | 7.2°C | 21 mm | 45% | 3.7 m/s | 7.7 |
| 1987 | 30.5°C | 21.7°C | 12.9°C | 40.1°C | 4.6°C | 14 mm | 39% | 3.8 m/s | 8 |
| 1986 | 27.1°C | 19.3°C | 11.5°C | 37.8°C | 5.3°C | 27 mm | 50% | 4 m/s | 7.9 |
| 1985 | 26.9°C | 18.6°C | 10.3°C | 37.4°C | 7.0°C | 24 mm | 50% | 4.4 m/s | 8 |
| 1984 | 29.8°C | 21.0°C | 12.2°C | 39.4°C | 4.9°C | 5 mm | 38% | 4 m/s | 8 |
| 1983 | 31.5°C | 23.1°C | 14.6°C | 41.5°C | 5.8°C | 32 mm | 41% | 3.3 m/s | — |
| 1982 | 31.5°C | 22.7°C | 13.9°C | 37.7°C | 7.0°C | 13 mm | 35% | 3.5 m/s | — |
| 1981 | 30.8°C | 21.6°C | 12.3°C | 40.6°C | 6.0°C | 8 mm | 37% | 4.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30.3°C with lows near 13.2°C (mean 21.8°C), based on 45 years of NASA POWER data.
December averages 23 mm of rainfall in Peterborough, about average for rainfall. The wettest on record was 104 mm in 1992.
The hottest December reached 44.7°C in 2019. The coldest dipped to 3.9°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.7°C. Daytime highs moved from 30.1°C to 30.9°C and overnight lows from 12.7°C to 13.4°C over the same span.
December is one of the warmer months of the year in Peterborough and about average for rainfall, so plan for around 30.3°C daytime highs and 13.2°C at night.
Not quite — December is the 10th coolest month in Peterborough, averaging 21.8°C.
For December in Peterborough, pack light, breathable clothing and sun protection, with typical highs of 30.3°C and lows of 13.2°C.
Relative humidity in December averages 42% — relatively dry.
Average wind speed in December is 3.7 m/s. The windiest December on record averaged 4.4 m/s (1985).
The wettest December on record was 1992 with 104 mm. On average, December sees 23 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 Peterborough 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.
