December is one of the cooler months of the year in Lagrange, with average highs near 13.5°C and lows around 2.3°C (mean 7.9°C). It is a relatively wet time of year, averaging 120 mm of rainfall and 83% relative humidity across the period.
December is one of the cooler months of the year in Lagrange. Across 45 years of records, the warmest December in Lagrange was 2015 — when the month averaged 13.4°C — while the coldest was 1989 at 2.4°C. Typical December days reach 13.5°C with nights near 2.3°C. The long-term trend is warming, about 0.6°C per decade.
December is a relatively wet time of year in Lagrange, averaging 120 mm of rainfall. The wettest December on record was 2015 with 374 mm, while the driest was 2010 at 34 mm.
Relative humidity in Lagrange during December averages 83%. The most humid December was 2015 at 89%, and the least humid was 2025 at 75%.
December receives about 2.3 kWh/m²/day of solar energy in Lagrange. The sunniest December was 1985 at 2.8 kWh/m²/day, and the cloudiest was 1992 at 1.9.
Average wind speed in Lagrange during December is 0.1 m/s. The windiest December was 2006 at 0.2 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.6°C | 7.9°C | 7.2°C | 9.0°C | 9.0°C | +2.4°C |
| Avg High | 12.0°C | 13.3°C | 13.0°C | 14.4°C | 15.1°C | +3.1°C |
| Avg Low | 1.1°C | 2.4°C | 1.4°C | 3.6°C | 3.1°C | +2°C |
| Avg Rain | 130 mm | 99 mm | 112 mm | 164 mm | 83 mm | -47 mm |
December temperatures in Lagrange have risen by about 2.5°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -15.8°C (1983) to a record high of 25.6°C (1998).
Rainfall in December is a relatively wet time of year, averaging 120 mm, with a wettest year of 374 mm.
A quieter season to visit Lagrange
If your dates are flexible, the more temperate months of May and September tend to be the most comfortable for visiting Lagrange. That said, December — with days averaging 13.5°C and nights around 2.3°C (mean 7.9°C) and higher rainfall (120 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 | 15.2°C | 8.7°C | 2.2°C | 25.1°C | -7.2°C | 45 mm | 75% | 0.1 m/s | — |
| 2024 | 14.6°C | 8.5°C | 2.4°C | 23.0°C | -5.5°C | 109 mm | 79% | 0.1 m/s | 2.6 |
| 2023 | 14.7°C | 8.6°C | 2.6°C | 22.2°C | -4.3°C | 78 mm | 79% | 0.1 m/s | 2.5 |
| 2022 | 13.8°C | 8.5°C | 3.2°C | 24.4°C | -10.6°C | 74 mm | 84% | 0.1 m/s | 2.1 |
| 2021 | 18.6°C | 12.8°C | 7.0°C | 24.6°C | -2.5°C | 117 mm | 86% | 0.1 m/s | 2.1 |
| 2020 | 13.4°C | 7.1°C | 0.9°C | 20.5°C | -5.7°C | 71 mm | 83% | 0.1 m/s | 2.6 |
| 2019 | 14.5°C | 9.4°C | 4.3°C | 22.0°C | -4.7°C | 175 mm | 85% | 0.1 m/s | 2.2 |
| 2018 | 13.1°C | 8.5°C | 4.0°C | 22.3°C | -4.9°C | 238 mm | 89% | 0.1 m/s | 2.1 |
| 2017 | 13.1°C | 7.8°C | 2.4°C | 23.2°C | -5.7°C | 76 mm | 82% | 0.1 m/s | 2.1 |
| 2016 | 14.7°C | 9.1°C | 3.5°C | 22.9°C | -5.5°C | 110 mm | 81% | 0.1 m/s | 2.2 |
| 2015 🔥 🌧️ | 18.4°C | 13.4°C | 8.5°C | 24.8°C | -3.8°C | 374 mm | 89% | 0.1 m/s | 2.1 |
| 2014 | 15.2°C | 9.7°C | 4.1°C | 22.6°C | -3.3°C | 134 mm | 85% | 0.1 m/s | 2.3 |
| 2013 | 14.3°C | 8.8°C | 3.4°C | 24.9°C | -5.1°C | 217 mm | 85% | 0.1 m/s | 2.1 |
| 2012 | 16.1°C | 10.2°C | 4.3°C | 23.5°C | -4.6°C | 170 mm | 81% | 0.1 m/s | 2.2 |
| 2011 | 15.5°C | 9.7°C | 4.0°C | 22.3°C | -3.2°C | 111 mm | 83% | 0.1 m/s | 2.4 |
| 2010 | 8.8°C | 3.2°C | -2.4°C | 18.2°C | -7.2°C | 34 mm | 76% | 0.1 m/s | 2.5 |
| 2009 | 11.1°C | 6.0°C | 1.0°C | 20.3°C | -4.4°C | 264 mm | 87% | 0.1 m/s | 2 |
| 2008 | 14.5°C | 9.0°C | 3.4°C | 22.5°C | -7.2°C | 125 mm | 84% | 0.1 m/s | 2.1 |
| 2007 | 16.2°C | 10.4°C | 4.6°C | 25.3°C | -4.8°C | 123 mm | 80% | 0.1 m/s | 2.3 |
| 2006 | 15.8°C | 9.5°C | 3.3°C | 22.2°C | -7.0°C | 77 mm | 81% | 0.2 m/s | 2.7 |
| 2005 | 11.9°C | 5.8°C | -0.2°C | 22.0°C | -5.3°C | 78 mm | 81% | 0.1 m/s | 2.5 |
| 2004 | 12.5°C | 6.4°C | 0.4°C | 21.9°C | -6.9°C | 78 mm | 81% | 0.1 m/s | 2.7 |
| 2003 | 11.9°C | 5.5°C | -0.9°C | 17.4°C | -5.7°C | 72 mm | 79% | 0.1 m/s | 2.6 |
| 2002 | 11.7°C | 6.4°C | 1.0°C | 18.3°C | -5.0°C | 141 mm | 86% | 0.1 m/s | 2.3 |
| 2001 | 16.4°C | 10.1°C | 3.9°C | 24.2°C | -6.4°C | 65 mm | 77% | 0.1 m/s | 2.6 |
| 2000 | 7.9°C | 2.9°C | -2.1°C | 19.1°C | -8.0°C | 94 mm | 81% | 0.1 m/s | 2.4 |
| 1999 | 14.6°C | 8.0°C | 1.3°C | 21.2°C | -5.9°C | 72 mm | 76% | 0.1 m/s | 2.6 |
| 1998 | 16.0°C | 10.5°C | 5.0°C | 25.6°C | -3.2°C | 70 mm | 80% | 0.1 m/s | 2 |
| 1997 | 11.5°C | 6.3°C | 1.1°C | 19.4°C | -5.5°C | 162 mm | 88% | 0.1 m/s | 2.3 |
| 1996 | 13.5°C | 7.9°C | 2.3°C | 22.9°C | -8.1°C | 97 mm | 85% | 0.1 m/s | 2.4 |
| 1995 | 11.6°C | 6.1°C | 0.6°C | 21.4°C | -8.2°C | 120 mm | 83% | 0.1 m/s | 2.4 |
| 1994 | 13.8°C | 8.8°C | 3.8°C | 20.1°C | -3.7°C | 69 mm | 87% | 0.1 m/s | 2.2 |
| 1993 | 11.2°C | 6.1°C | 1.0°C | 20.1°C | -6.1°C | 84 mm | 84% | 0.1 m/s | 2.3 |
| 1992 | 11.6°C | 6.9°C | 2.3°C | 20.8°C | -3.1°C | 132 mm | 88% | 0.1 m/s | 1.9 |
| 1991 | 14.1°C | 8.4°C | 2.7°C | 23.8°C | -5.4°C | 93 mm | 82% | 0.1 m/s | 2.4 |
| 1990 | 15.5°C | 9.9°C | 4.2°C | 23.0°C | -6.3°C | 93 mm | 82% | 0.1 m/s | 2 |
| 1989 ❄️ | 7.7°C | 2.4°C | -2.8°C | 17.9°C | -14.9°C | 172 mm | 84% | 0.1 m/s | 2.4 |
| 1988 | 12.8°C | 6.6°C | 0.4°C | 20.6°C | -6.0°C | 60 mm | 83% | 0.1 m/s | 2.5 |
| 1987 | 14.8°C | 9.1°C | 3.3°C | 23.5°C | -5.2°C | 102 mm | 79% | 0.1 m/s | 2.3 |
| 1986 | 11.5°C | 6.5°C | 1.6°C | 19.6°C | -4.2°C | 73 mm | 88% | 0.1 m/s | 2 |
| 1985 | 10.3°C | 4.5°C | -1.3°C | 20.2°C | -7.7°C | 78 mm | 79% | 0.1 m/s | 2.8 |
| 1984 | 17.4°C | 11.5°C | 5.6°C | 23.4°C | -6.9°C | 83 mm | 85% | 0.1 m/s | 2.4 |
| 1983 | 9.7°C | 4.4°C | -0.9°C | 20.5°C | -15.8°C | 233 mm | 83% | 0.1 m/s | — |
| 1982 | 14.5°C | 9.8°C | 5.0°C | 23.9°C | -5.8°C | 193 mm | 88% | 0.1 m/s | — |
| 1981 | 9.5°C | 4.4°C | -0.8°C | 19.1°C | -7.9°C | 174 mm | 79% | 0.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 13.5°C with lows near 2.3°C (mean 7.9°C), based on 45 years of NASA POWER data.
December averages 120 mm of rainfall in Lagrange, a relatively wet time of year. The wettest on record was 374 mm in 2015.
The hottest December reached 25.6°C in 1998. The coldest dipped to -15.8°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 2.5°C. Daytime highs moved from 12.3°C to 15.4°C and overnight lows from 1.5°C to 3.5°C over the same span.
December is one of the cooler months of the year in Lagrange and a relatively wet time of year, so plan for around 13.5°C daytime highs and 2.3°C at night.
Not quite — December is the 2nd coolest month in Lagrange, averaging 7.9°C.
For December in Lagrange, pack warm layers and a jacket for chilly mornings, with typical highs of 13.5°C and lows of 2.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 83% — quite humid.
Average wind speed in December is 0.1 m/s. The windiest December on record averaged 0.2 m/s (2006).
The wettest December on record was 2015 with 374 mm. On average, December sees 120 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 Lagrange 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.
