December is one of the warmer months of the year in Norseman, with average highs near 32.8°C and lows around 14.2°C (mean 23.5°C). It is about average for rainfall, averaging 24 mm of rainfall and 44% relative humidity across the period.
December is one of the warmer months of the year in Norseman. Across 45 years of records, the warmest December in Norseman was 2019 — when the month averaged 28.2°C — while the coldest was 2001 at 20.9°C. Typical December days reach 32.8°C with nights near 14.2°C. The long-term trend is warming, about 0.4°C per decade.
December is about average for rainfall in Norseman, averaging 24 mm of rainfall. The wettest December on record was 1983 with 127 mm, while the driest was 2005 at 3 mm.
Relative humidity in Norseman during December averages 44%. The most humid December was 1983 at 57%, and the least humid was 2019 at 36%.
December receives about 8 kWh/m²/day of solar energy in Norseman. The sunniest December was 2005 at 8.8 kWh/m²/day, and the cloudiest was 2011 at 6.7.
Average wind speed in Norseman during December is 4 m/s. The windiest December was 2023 at 4.7 m/s, while the calmest was 2012 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.0°C | 23.1°C | 23.6°C | 23.9°C | 24.3°C | +1.3°C |
| Avg High | 32.1°C | 32.3°C | 33.0°C | 33.2°C | 34.0°C | +1.9°C |
| Avg Low | 13.8°C | 14.0°C | 14.2°C | 14.6°C | 14.6°C | +0.8°C |
| Avg Rain | 38 mm | 24 mm | 24 mm | 24 mm | 4 mm | -34 mm |
December temperatures in Norseman have risen by about 1.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 6.4°C (1986) to a record high of 45.7°C (2013).
Rainfall in December is about average for rainfall, averaging 24 mm, with a wettest year of 127 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
One of the best times to visit Norseman
December is one of the best times to visit Norseman. Expect days averaging 32.8°C and nights around 14.2°C (mean 23.5°C) — warmer than Norseman's yearly average — with low rainfall (24 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 | 34.5°C | 24.6°C | 14.6°C | 42.7°C | 10.5°C | 3 mm | 39% | 4.1 m/s | — |
| 2024 | 35.4°C | 25.8°C | 16.2°C | 42.2°C | 10.7°C | 6 mm | 41% | 3.8 m/s | 8.3 |
| 2023 | 34.3°C | 24.8°C | 15.3°C | 41.0°C | 11.2°C | 4 mm | 41% | 4.7 m/s | 8.2 |
| 2022 | 32.8°C | 23.3°C | 13.8°C | 42.4°C | 8.9°C | 4 mm | 46% | 4.1 m/s | 8.1 |
| 2021 | 34.2°C | 24.2°C | 14.3°C | 42.3°C | 8.4°C | 3 mm | 41% | 4 m/s | 8.6 |
| 2020 | 32.6°C | 23.1°C | 13.5°C | 42.4°C | 7.7°C | 4 mm | 40% | 4.2 m/s | 8.2 |
| 2019 🔥 | 38.0°C | 28.2°C | 18.3°C | 44.9°C | 10.2°C | 16 mm | 36% | 3.7 m/s | 8.5 |
| 2018 | 33.6°C | 24.1°C | 14.7°C | 40.9°C | 10.2°C | 21 mm | 46% | 3.8 m/s | 8.2 |
| 2017 | 33.7°C | 24.2°C | 14.7°C | 43.5°C | 9.9°C | 9 mm | 38% | 3.9 m/s | 8.2 |
| 2016 | 32.0°C | 22.7°C | 13.5°C | 41.0°C | 9.8°C | 40 mm | 44% | 4.1 m/s | 7.9 |
| 2015 | 32.8°C | 23.3°C | 13.8°C | 40.9°C | 9.6°C | 38 mm | 46% | 4.1 m/s | 7.9 |
| 2014 | 32.1°C | 22.8°C | 13.5°C | 41.8°C | 8.9°C | 12 mm | 47% | 3.9 m/s | 8.2 |
| 2013 | 33.3°C | 23.7°C | 14.1°C | 45.7°C | 8.5°C | 26 mm | 45% | 3.8 m/s | 8 |
| 2012 | 33.2°C | 24.2°C | 15.2°C | 42.6°C | 8.4°C | 12 mm | 46% | 3.4 m/s | 8 |
| 2011 | 30.9°C | 22.8°C | 14.7°C | 41.1°C | 9.4°C | 40 mm | 51% | 3.9 m/s | 6.7 |
| 2010 | 31.9°C | 22.8°C | 13.7°C | 42.3°C | 8.0°C | 22 mm | 45% | 4 m/s | 7.1 |
| 2009 | 34.5°C | 24.6°C | 14.7°C | 43.2°C | 9.8°C | 11 mm | 37% | 3.9 m/s | 8.3 |
| 2008 | 31.3°C | 22.4°C | 13.4°C | 38.4°C | 8.3°C | 59 mm | 53% | 3.8 m/s | 7.7 |
| 2007 | 31.0°C | 22.3°C | 13.6°C | 43.4°C | 8.9°C | 36 mm | 46% | 4.1 m/s | 7.4 |
| 2006 | 33.4°C | 24.3°C | 15.1°C | 41.7°C | 10.0°C | 25 mm | 40% | 3.9 m/s | 8.1 |
| 2005 | 33.3°C | 23.3°C | 13.4°C | 45.5°C | 8.2°C | 3 mm | 37% | 4 m/s | 8.8 |
| 2004 | 34.4°C | 24.8°C | 15.2°C | 43.9°C | 8.7°C | 8 mm | 39% | 4.2 m/s | 8.3 |
| 2003 | 34.7°C | 24.4°C | 14.2°C | 42.6°C | 7.8°C | 9 mm | 45% | 4.2 m/s | 8.3 |
| 2002 | 33.2°C | 23.8°C | 14.5°C | 42.5°C | 6.6°C | 68 mm | 44% | 4.1 m/s | 7.6 |
| 2001 ❄️ | 29.5°C | 20.9°C | 12.4°C | 37.7°C | 8.3°C | 10 mm | 50% | 3.9 m/s | 7.5 |
| 2000 | 35.0°C | 25.1°C | 15.2°C | 42.6°C | 9.8°C | 9 mm | 41% | 3.9 m/s | 8.5 |
| 1999 | 31.2°C | 22.6°C | 13.9°C | 39.7°C | 9.5°C | 18 mm | 46% | 4.2 m/s | 7.5 |
| 1998 | 33.2°C | 23.9°C | 14.7°C | 41.5°C | 8.8°C | 22 mm | 45% | 3.9 m/s | 8 |
| 1997 | 34.1°C | 24.4°C | 14.8°C | 41.4°C | 8.9°C | 17 mm | 43% | 4.1 m/s | 8.3 |
| 1996 | 32.0°C | 22.8°C | 13.5°C | 40.2°C | 9.0°C | 4 mm | 42% | 4 m/s | 8 |
| 1995 | 30.5°C | 22.1°C | 13.7°C | 42.7°C | 9.4°C | 72 mm | 50% | 3.9 m/s | 6.9 |
| 1994 | 34.2°C | 24.6°C | 15.0°C | 41.7°C | 9.4°C | 53 mm | 41% | 3.8 m/s | 8.1 |
| 1993 | 31.3°C | 22.1°C | 13.0°C | 39.6°C | 9.2°C | 14 mm | 45% | 4.1 m/s | 8.4 |
| 1992 | 30.6°C | 21.4°C | 12.1°C | 41.0°C | 6.8°C | 10 mm | 47% | 3.8 m/s | 7.9 |
| 1991 | 32.8°C | 23.9°C | 14.9°C | 38.8°C | 10.5°C | 26 mm | 44% | 3.7 m/s | 7.5 |
| 1990 | 33.4°C | 23.6°C | 13.9°C | 42.6°C | 8.5°C | 8 mm | 41% | 4 m/s | 8.3 |
| 1989 | 34.3°C | 24.4°C | 14.5°C | 44.3°C | 8.8°C | 5 mm | 38% | 4.2 m/s | 8.2 |
| 1988 | 29.3°C | 21.1°C | 12.8°C | 39.3°C | 9.1°C | 93 mm | 52% | 3.7 m/s | 7.3 |
| 1987 | 33.8°C | 24.3°C | 14.9°C | 39.9°C | 8.7°C | 21 mm | 41% | 4.1 m/s | 7.9 |
| 1986 | 31.4°C | 22.1°C | 12.8°C | 42.5°C | 6.4°C | 23 mm | 47% | 3.7 m/s | 7.7 |
| 1985 | 31.2°C | 21.7°C | 12.1°C | 42.4°C | 8.2°C | 6 mm | 41% | 4.1 m/s | 8.5 |
| 1984 | 32.7°C | 23.1°C | 13.6°C | 41.5°C | 8.0°C | 22 mm | 42% | 3.8 m/s | 8.1 |
| 1983 🌧️ | 30.8°C | 22.7°C | 14.6°C | 39.4°C | 7.1°C | 127 mm | 57% | 3.7 m/s | — |
| 1982 | 34.1°C | 25.2°C | 16.3°C | 40.2°C | 8.2°C | 27 mm | 43% | 3.6 m/s | — |
| 1981 | 31.1°C | 22.0°C | 12.9°C | 36.8°C | 8.7°C | 18 mm | 41% | 4 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 32.8°C with lows near 14.2°C (mean 23.5°C), based on 45 years of NASA POWER data.
December averages 24 mm of rainfall in Norseman, about average for rainfall. The wettest on record was 127 mm in 1983.
The hottest December reached 45.7°C in 2013. The coldest dipped to 6.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.6°C. Daytime highs moved from 32°C to 34.2°C and overnight lows from 13.9°C to 14.8°C over the same span.
December is one of the warmer months of the year in Norseman and about average for rainfall, so plan for around 32.8°C daytime highs and 14.2°C at night.
Not quite — December is the 10th coolest month in Norseman, averaging 23.5°C.
For December in Norseman, pack light, breathable clothing and sun protection, with typical highs of 32.8°C and lows of 14.2°C.
Relative humidity in December averages 44% — relatively dry.
Average wind speed in December is 4 m/s. The windiest December on record averaged 4.7 m/s (2023).
The wettest December on record was 1983 with 127 mm. On average, December sees 24 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 Norseman 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.
