December is one of the cooler months of the year in Etah, with average highs near 24.8°C and lows around 9.3°C (mean 17.1°C). It is one of the drier months, averaging 6 mm of rainfall and 41% relative humidity across the period.
December is one of the cooler months of the year in Etah. Across 45 years of records, the warmest December in Etah was 2008 — when the month averaged 18.7°C — while the coldest was 2019 at 14.5°C. Typical December days reach 24.8°C with nights near 9.3°C. The long-term trend is cooling, about 0.3°C per decade.
December is one of the drier months in Etah, averaging 6 mm of rainfall. The wettest December on record was 1997 with 40 mm, while the driest were 2020, 2022 and 2025, among others at 0 mm.
Relative humidity in Etah during December averages 41%. The most humid December was 2013 at 58%, and the least humid was 1987 at 21%.
December receives about 3.2 kWh/m²/day of solar energy in Etah. The sunniest Decembers were 1993 and 1994 at 3.9 kWh/m²/day, and the cloudiest was 2019 at 2.2.
Average wind speed in Etah during December is 1.6 m/s. The windiest Decembers were 1984 and 2012 at 2.1 m/s, while the calmest were 2009, 2011 and 2023, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.3°C | 17.4°C | 17.7°C | 16.4°C | 16.4°C | -0.9°C |
| Avg High | 25.2°C | 25.5°C | 25.5°C | 23.9°C | 23.7°C | -1.5°C |
| Avg Low | 9.4°C | 9.3°C | 9.9°C | 8.8°C | 9.0°C | -0.4°C |
| Avg Rain | 5 mm | 6 mm | 5 mm | 8 mm | 3 mm | -2 mm |
December temperatures in Etah have fallen by about 0.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 0.5°C (2019) to a record high of 32.2°C (1987).
Rainfall in December is one of the drier months, averaging 6 mm, with a wettest year of 40 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Etah
December is a good time to visit Etah, with days averaging 24.8°C and nights around 9.3°C (mean 17.1°C, cooler than Etah's yearly average) and low rainfall. November and February are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.2°C | 15.6°C | 8.1°C | 25.3°C | 5.5°C | 0 mm | 56% | 1.4 m/s | — |
| 2024 | 23.6°C | 16.2°C | 8.8°C | 28.1°C | 3.8°C | 10 mm | 52% | 1.6 m/s | 3 |
| 2023 | 24.2°C | 17.4°C | 10.6°C | 28.4°C | 6.6°C | 5 mm | 51% | 1.3 m/s | 2.8 |
| 2022 | 23.3°C | 15.7°C | 8.1°C | 27.3°C | 4.9°C | 0 mm | 58% | 1.7 m/s | 3.3 |
| 2021 | 22.2°C | 15.6°C | 8.9°C | 26.3°C | 1.5°C | 4 mm | 55% | 1.4 m/s | 2.8 |
| 2020 | 25.7°C | 17.7°C | 9.7°C | 30.3°C | 3.9°C | 0 mm | 35% | 1.9 m/s | 3.1 |
| 2019 ❄️ | 21.0°C | 14.5°C | 8.0°C | 25.3°C | 0.5°C | 26 mm | 56% | 1.4 m/s | 2.2 |
| 2018 | 23.1°C | 15.5°C | 7.9°C | 26.7°C | 1.7°C | 0 mm | 47% | 1.4 m/s | 3.2 |
| 2017 | 25.9°C | 18.2°C | 10.5°C | 27.9°C | 5.6°C | 3 mm | 36% | 1.7 m/s | 3 |
| 2016 | 26.1°C | 17.9°C | 9.7°C | 28.5°C | 6.4°C | 0 mm | 32% | 1.6 m/s | 2.9 |
| 2015 | 25.4°C | 17.4°C | 9.5°C | 29.8°C | 4.4°C | 5 mm | 30% | 1.6 m/s | 3 |
| 2014 | 23.6°C | 16.0°C | 8.3°C | 30.5°C | 3.6°C | 23 mm | 37% | 1.9 m/s | 2.8 |
| 2013 | 22.7°C | 15.5°C | 8.3°C | 26.5°C | 3.6°C | 11 mm | 58% | 1.7 m/s | 2.9 |
| 2012 | 24.3°C | 16.2°C | 8.2°C | 27.6°C | 4.4°C | 1 mm | 42% | 2.1 m/s | 3 |
| 2011 | 24.2°C | 16.7°C | 9.2°C | 29.0°C | 4.6°C | 0 mm | 44% | 1.3 m/s | 3.1 |
| 2010 | 23.1°C | 15.6°C | 8.1°C | 25.2°C | 3.6°C | 4 mm | 57% | 1.4 m/s | 3.3 |
| 2009 | 24.1°C | 17.0°C | 9.9°C | 26.7°C | 5.0°C | 3 mm | 50% | 1.3 m/s | 3.1 |
| 2008 🔥 | 26.0°C | 18.7°C | 11.3°C | 29.1°C | 6.6°C | 0 mm | 53% | 1.3 m/s | 3 |
| 2007 | 25.4°C | 17.2°C | 9.1°C | 28.7°C | 4.9°C | 2 mm | 34% | 2 m/s | 3.2 |
| 2006 | 26.3°C | 18.5°C | 10.6°C | 30.4°C | 6.5°C | 1 mm | 39% | 1.9 m/s | 3.3 |
| 2005 | 24.8°C | 16.5°C | 8.2°C | 27.4°C | 4.9°C | 1 mm | 34% | 1.6 m/s | 3.4 |
| 2004 | 24.9°C | 17.7°C | 10.4°C | 28.0°C | 3.9°C | 0 mm | 45% | 1.5 m/s | 3 |
| 2003 | 24.3°C | 17.1°C | 9.9°C | 28.6°C | 4.4°C | 16 mm | 53% | 1.5 m/s | 2.6 |
| 2002 | 25.9°C | 18.2°C | 10.5°C | 28.8°C | 6.7°C | 21 mm | 36% | 1.5 m/s | 3.2 |
| 2001 | 26.3°C | 18.1°C | 9.9°C | 30.3°C | 5.2°C | 0 mm | 28% | 1.6 m/s | 3.1 |
| 2000 | 26.6°C | 18.0°C | 9.4°C | 30.2°C | 5.6°C | 2 mm | 23% | 1.7 m/s | 3.7 |
| 1999 | 26.3°C | 18.0°C | 9.8°C | 29.1°C | 7.2°C | 0 mm | 22% | 1.3 m/s | 3.7 |
| 1998 | 25.4°C | 17.2°C | 8.9°C | 28.7°C | 4.7°C | 0 mm | 37% | 1.4 m/s | 3.2 |
| 1997 🌧️ | 22.1°C | 15.6°C | 9.2°C | 27.0°C | 4.8°C | 40 mm | 56% | 1.4 m/s | 3 |
| 1996 | 25.4°C | 16.2°C | 7.0°C | 27.5°C | 2.5°C | 0 mm | 32% | 1.8 m/s | 3.8 |
| 1995 | 25.7°C | 17.9°C | 10.1°C | 28.2°C | 5.1°C | 3 mm | 42% | 1.9 m/s | 3.6 |
| 1994 | 26.8°C | 18.1°C | 9.5°C | 31.0°C | 4.0°C | 0 mm | 25% | 1.7 m/s | 3.9 |
| 1993 | 26.4°C | 17.5°C | 8.5°C | 29.5°C | 4.8°C | 0 mm | 24% | 1.5 m/s | 3.9 |
| 1992 | 26.2°C | 18.2°C | 10.1°C | 28.4°C | 6.0°C | 0 mm | 37% | 1.6 m/s | 3.7 |
| 1991 | 24.7°C | 17.5°C | 10.2°C | 27.5°C | 5.2°C | 20 mm | 45% | 1.6 m/s | 3.5 |
| 1990 | 25.7°C | 17.7°C | 9.8°C | 27.8°C | 5.8°C | 0 mm | 39% | 1.8 m/s | 3.6 |
| 1989 | 25.8°C | 17.9°C | 10.1°C | 28.7°C | 6.0°C | 3 mm | 30% | 1.5 m/s | 3.6 |
| 1988 | 25.8°C | 18.1°C | 10.3°C | 29.3°C | 6.6°C | 3 mm | 37% | 1.6 m/s | 3.5 |
| 1987 | 26.5°C | 18.2°C | 9.8°C | 32.2°C | 6.2°C | 2 mm | 21% | 1.4 m/s | 3.4 |
| 1986 | 24.8°C | 16.5°C | 8.3°C | 29.1°C | 3.6°C | 7 mm | 32% | 1.7 m/s | 3.6 |
| 1985 | 24.1°C | 17.0°C | 9.8°C | 27.9°C | 4.8°C | 11 mm | 57% | 1.9 m/s | 3.4 |
| 1984 | 26.2°C | 17.8°C | 9.3°C | 29.1°C | 4.3°C | 0 mm | 27% | 2.1 m/s | 3.5 |
| 1983 | 24.3°C | 16.7°C | 9.1°C | 27.2°C | 4.4°C | 5 mm | 41% | 1.5 m/s | — |
| 1982 | 24.9°C | 17.0°C | 9.1°C | 28.5°C | 5.6°C | 12 mm | 43% | 2 m/s | — |
| 1981 | 24.6°C | 16.5°C | 8.4°C | 26.7°C | 5.8°C | 4 mm | 41% | 1.6 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 24.8°C with lows near 9.3°C (mean 17.1°C), based on 45 years of NASA POWER data.
December averages 6 mm of rainfall in Etah, one of the drier months. The wettest on record was 40 mm in 1997.
The hottest December reached 32.2°C in 1987. The coldest dipped to 0.5°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.9°C. Daytime highs moved from 24.8°C to 23.3°C and overnight lows from 9.1°C to 8.9°C over the same span.
December is one of the cooler months of the year in Etah and one of the drier months, so plan for around 24.8°C daytime highs and 9.3°C at night.
Not quite — December is the 2nd coolest month in Etah, averaging 17.1°C.
For December in Etah, pack light layers you can adjust through the day, with typical highs of 24.8°C and lows of 9.3°C.
Relative humidity in December averages 41% — relatively dry.
Average wind speed in December is 1.6 m/s. The windiest December on record averaged 2.1 m/s (1984).
The wettest December on record was 1997 with 40 mm. On average, December sees 6 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 Etah 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.
