January is one of the cooler months of the year in Cirencester, with average highs near 6.4°C and lows around 1.2°C (mean 3.8°C). It is a relatively wet time of year, averaging 78 mm of rainfall and 95% relative humidity across the period.
January is one of the cooler months of the year in Cirencester. Across 45 years of records, the warmest January in Cirencester was 2007 — when the month averaged 6.3°C — while the coldest was 1987 at -0.5°C. Typical January days reach 6.4°C with nights near 1.2°C. The long-term trend is warming, about 0.2°C per decade.
January is a relatively wet time of year in Cirencester, averaging 78 mm of rainfall. The wettest January on record was 1995 with 136 mm, while the driest was 1997 at 21 mm.
Relative humidity in Cirencester during January averages 95%. The most humid January was 2010 at 97%, and the least humid was 1984 at 92%.
January receives about 0.8 kWh/m²/day of solar energy in Cirencester. The sunniest January was 1985 at 1.1 kWh/m²/day, and the cloudiest were 1993, 2002 and 2013, among others at 0.7.
Average wind speed in Cirencester during January is 3.8 m/s. The windiest Januarys were 1983 and 2007 at 4.8 m/s, while the calmest was 2022 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 2.9°C | 4.0°C | 4.3°C | 3.7°C | 4.0°C | +1.1°C |
| Avg High | 5.5°C | 6.5°C | 6.9°C | 6.3°C | 6.7°C | +1.2°C |
| Avg Low | 0.4°C | 1.5°C | 1.8°C | 1.0°C | 1.3°C | +0.9°C |
| Avg Rain | 75 mm | 86 mm | 71 mm | 77 mm | 80 mm | +4 mm |
January temperatures in Cirencester have risen by about 0.7°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -11.4°C (1982) to a record high of 13.3°C (2016).
Rainfall in January is a relatively wet time of year, averaging 78 mm, with a wettest year of 136 mm.
A quieter season to visit Cirencester
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Cirencester. That said, January — with days averaging 6.4°C and nights around 1.2°C (mean 3.8°C) and moderate rainfall (78 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 | 5.8°C | 3.1°C | 0.4°C | 11.0°C | -3.6°C | 95 mm | 96% | 2.9 m/s | 0.9 |
| 2024 | 6.6°C | 3.8°C | 1.1°C | 12.2°C | -4.7°C | 73 mm | 95% | 3.7 m/s | 1 |
| 2023 | 7.0°C | 4.2°C | 1.5°C | 11.9°C | -4.2°C | 93 mm | 96% | 3.7 m/s | 0.9 |
| 2022 | 7.0°C | 4.0°C | 1.1°C | 12.7°C | -3.3°C | 33 mm | 96% | 2.6 m/s | 0.9 |
| 2021 | 5.4°C | 2.9°C | 0.3°C | 11.2°C | -3.3°C | 108 mm | 96% | 3.5 m/s | 0.8 |
| 2020 | 8.4°C | 6.0°C | 3.6°C | 12.3°C | -1.0°C | 76 mm | 96% | 3.6 m/s | 0.8 |
| 2019 | 5.7°C | 3.0°C | 0.4°C | 10.3°C | -3.1°C | 35 mm | 95% | 2.9 m/s | 0.9 |
| 2018 | 7.7°C | 5.0°C | 2.4°C | 12.1°C | -2.2°C | 80 mm | 95% | 4.2 m/s | 0.8 |
| 2017 | 6.1°C | 3.3°C | 0.5°C | 10.5°C | -3.4°C | 74 mm | 95% | 2.8 m/s | 0.9 |
| 2016 | 7.5°C | 5.1°C | 2.6°C | 13.3°C | -3.5°C | 102 mm | 95% | 4.1 m/s | 0.8 |
| 2015 | 7.2°C | 4.0°C | 0.9°C | 12.5°C | -4.0°C | 91 mm | 94% | 4.1 m/s | 0.9 |
| 2014 | 8.0°C | 5.6°C | 3.1°C | 11.6°C | -1.3°C | 119 mm | 95% | 4.1 m/s | 0.8 |
| 2013 | 5.0°C | 2.8°C | 0.6°C | 12.3°C | -6.8°C | 75 mm | 96% | 3.3 m/s | 0.7 |
| 2012 | 7.8°C | 4.9°C | 2.0°C | 11.6°C | -4.0°C | 52 mm | 94% | 3.8 m/s | 0.9 |
| 2011 | 5.3°C | 2.7°C | 0.1°C | 11.7°C | -4.8°C | 81 mm | 96% | 3.3 m/s | 0.8 |
| 2010 | 2.8°C | 0.3°C | -2.3°C | 7.6°C | -8.1°C | 62 mm | 97% | 2.9 m/s | 0.8 |
| 2009 | 4.8°C | 2.1°C | -0.5°C | 9.2°C | -8.2°C | 79 mm | 96% | 3.4 m/s | 0.9 |
| 2008 | 8.7°C | 6.1°C | 3.5°C | 12.2°C | -1.8°C | 107 mm | 94% | 4.6 m/s | 0.8 |
| 2007 🔥 | 8.9°C | 6.3°C | 3.7°C | 12.1°C | -3.2°C | 83 mm | 93% | 4.8 m/s | 0.9 |
| 2006 | 6.0°C | 3.2°C | 0.4°C | 10.7°C | -3.8°C | 28 mm | 95% | 3.1 m/s | 0.8 |
| 2005 | 7.9°C | 5.3°C | 2.7°C | 11.9°C | -2.7°C | 40 mm | 93% | 4.6 m/s | 0.8 |
| 2004 | 7.2°C | 4.8°C | 2.4°C | 11.7°C | -3.6°C | 98 mm | 95% | 4.1 m/s | 0.8 |
| 2003 | 5.9°C | 3.5°C | 1.1°C | 13.0°C | -4.7°C | 92 mm | 95% | 4 m/s | 0.9 |
| 2002 | 7.8°C | 5.2°C | 2.6°C | 12.4°C | -4.2°C | 69 mm | 96% | 3.9 m/s | 0.7 |
| 2001 | 5.1°C | 2.9°C | 0.6°C | 11.2°C | -3.4°C | 80 mm | 96% | 3.4 m/s | 0.9 |
| 2000 | 6.7°C | 3.9°C | 1.2°C | 11.5°C | -2.5°C | 33 mm | 96% | 3.4 m/s | 1 |
| 1999 | 7.8°C | 5.3°C | 2.9°C | 11.8°C | -2.3°C | 111 mm | 95% | 4.3 m/s | 0.8 |
| 1998 | 7.1°C | 4.5°C | 1.8°C | 12.6°C | -3.4°C | 108 mm | 95% | 4.2 m/s | 0.8 |
| 1997 | 3.1°C | 0.7°C | -1.8°C | 7.6°C | -7.4°C | 21 mm | 96% | 2.8 m/s | 0.8 |
| 1996 | 5.6°C | 3.8°C | 2.0°C | 10.2°C | -6.9°C | 64 mm | 95% | 4.3 m/s | 0.8 |
| 1995 🌧️ | 7.2°C | 4.4°C | 1.6°C | 11.6°C | -3.9°C | 136 mm | 95% | 4.7 m/s | 0.8 |
| 1994 | 6.8°C | 4.3°C | 1.7°C | 11.1°C | -3.1°C | 100 mm | 95% | 4.2 m/s | 0.9 |
| 1993 | 8.3°C | 5.6°C | 2.9°C | 11.8°C | -3.5°C | 96 mm | 95% | 4.5 m/s | 0.7 |
| 1992 | 5.3°C | 2.7°C | 0.2°C | 11.0°C | -6.5°C | 41 mm | 95% | 2.9 m/s | 1 |
| 1991 | 5.5°C | 2.9°C | 0.3°C | 11.5°C | -3.4°C | 79 mm | 93% | 3.7 m/s | 0.9 |
| 1990 | 8.5°C | 6.0°C | 3.6°C | 11.3°C | -0.9°C | 101 mm | 95% | 4.6 m/s | 0.8 |
| 1989 | 8.1°C | 5.1°C | 2.1°C | 10.9°C | -2.4°C | 38 mm | 94% | 3.2 m/s | 1 |
| 1988 | 7.0°C | 4.7°C | 2.5°C | 11.9°C | -2.9°C | 120 mm | 95% | 4.1 m/s | 0.7 |
| 1987 ❄️ | 2.1°C | -0.5°C | -3.0°C | 10.0°C | -10.8°C | 29 mm | 93% | 3 m/s | 0.7 |
| 1986 | 5.0°C | 2.6°C | 0.3°C | 10.8°C | -3.6°C | 98 mm | 94% | 4.4 m/s | 0.8 |
| 1985 | 2.2°C | -0.4°C | -2.9°C | 10.8°C | -8.5°C | 65 mm | 96% | 3.3 m/s | 1.1 |
| 1984 | 5.8°C | 3.0°C | 0.3°C | 11.5°C | -4.1°C | 121 mm | 92% | 4.6 m/s | 0.8 |
| 1983 | 8.4°C | 5.7°C | 3.1°C | 12.0°C | -1.6°C | 82 mm | 94% | 4.8 m/s | — |
| 1982 | 4.8°C | 2.2°C | -0.4°C | 10.7°C | -11.4°C | 77 mm | 96% | 3.7 m/s | — |
| 1981 | 6.5°C | 3.9°C | 1.2°C | 10.3°C | -4.0°C | 50 mm | 94% | 3.5 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 6.4°C with lows near 1.2°C (mean 3.8°C), based on 45 years of NASA POWER data.
January averages 78 mm of rainfall in Cirencester, a relatively wet time of year. The wettest on record was 136 mm in 1995.
The hottest January reached 13.3°C in 2016. The coldest dipped to -11.4°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.7°C. Daytime highs moved from 5.5°C to 6.4°C and overnight lows from 0.3°C to 0.9°C over the same span.
January is one of the cooler months of the year in Cirencester and a relatively wet time of year, so plan for around 6.4°C daytime highs and 1.2°C at night.
Yes — January is the coldest month of the year in Cirencester, averaging 3.8°C.
For January in Cirencester, pack warm layers and a jacket for chilly mornings, with typical highs of 6.4°C and lows of 1.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 95% — quite humid.
Average wind speed in January is 3.8 m/s. The windiest January on record averaged 4.8 m/s (1983).
The wettest January on record was 1995 with 136 mm. On average, January sees 78 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 Cirencester 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.
