December is one of the warmer months of the year in Pannawonica, with average highs near 41.9°C and lows around 24.2°C (mean 33.1°C). It is about average for rainfall, averaging 18 mm of rainfall and 37% relative humidity across the period.
December is one of the warmer months of the year in Pannawonica. Across 45 years of records, the warmest December in Pannawonica was 2019 — when the month averaged 35.8°C — while the coldest was 1988 at 30.5°C. Typical December days reach 41.9°C with nights near 24.2°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Pannawonica, averaging 18 mm of rainfall. The wettest December on record was 1988 with 102 mm, while the driest were 2018, 2022 and 2023, among others at 0 mm.
Relative humidity in Pannawonica during December averages 37%. The most humid December was 2010 at 51%, and the least humid was 1985 at 26%.
December receives about 8.2 kWh/m²/day of solar energy in Pannawonica. The sunniest December was 1992 at 8.9 kWh/m²/day, and the cloudiest was 2012 at 6.9.
Average wind speed in Pannawonica during December is 3.9 m/s. The windiest December was 1995 at 4.6 m/s, while the calmest was 2012 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.6°C | 32.9°C | 33.1°C | 33.1°C | 34.1°C | +1.5°C |
| Avg High | 41.5°C | 41.6°C | 42.2°C | 41.9°C | 42.9°C | +1.4°C |
| Avg Low | 23.6°C | 24.3°C | 24.0°C | 24.3°C | 25.3°C | +1.7°C |
| Avg Rain | 19 mm | 25 mm | 15 mm | 19 mm | 12 mm | -7 mm |
December temperatures in Pannawonica have risen by about 1.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 17°C (1985) to a record high of 49.2°C (2011).
Rainfall in December is about average for rainfall, averaging 18 mm, with a wettest year of 102 mm.
A quieter season to visit Pannawonica
If your dates are flexible, the more temperate months of August and June tend to be the most comfortable for visiting Pannawonica. That said, December — with days averaging 41.9°C and nights around 24.2°C (mean 33.1°C) and low rainfall (18 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 44.2°C | 35.4°C | 26.5°C | 47.5°C | 22.9°C | 0 mm | 32% | 3.8 m/s | — |
| 2024 | 43.1°C | 35.3°C | 27.5°C | 47.4°C | 20.9°C | 16 mm | 40% | 3.6 m/s | 7.5 |
| 2023 | 42.1°C | 32.6°C | 23.0°C | 47.5°C | 20.4°C | 0 mm | 38% | 4.3 m/s | 8.7 |
| 2022 | 42.1°C | 33.1°C | 24.0°C | 46.5°C | 21.1°C | 0 mm | 37% | 3.9 m/s | 8.2 |
| 2021 | 44.8°C | 35.2°C | 25.6°C | 48.0°C | 21.8°C | 0 mm | 27% | 4 m/s | 8.4 |
| 2020 | 41.1°C | 33.1°C | 25.2°C | 45.2°C | 20.6°C | 53 mm | 45% | 3.4 m/s | 7.8 |
| 2019 🔥 | 44.8°C | 35.8°C | 26.8°C | 47.9°C | 22.3°C | 2 mm | 27% | 3.6 m/s | 8.1 |
| 2018 | 42.9°C | 33.1°C | 23.3°C | 48.7°C | 18.0°C | 0 mm | 35% | 4.1 m/s | 8.5 |
| 2017 | 41.6°C | 32.9°C | 24.2°C | 46.2°C | 19.8°C | 5 mm | 40% | 3.8 m/s | 7.9 |
| 2016 | 41.1°C | 32.8°C | 24.6°C | 45.0°C | 19.4°C | 16 mm | 40% | 3.6 m/s | 7.9 |
| 2015 | 42.6°C | 32.8°C | 22.9°C | 47.6°C | 19.5°C | 0 mm | 35% | 4.1 m/s | 8.5 |
| 2014 | 42.7°C | 33.2°C | 23.7°C | 46.2°C | 19.0°C | 4 mm | 36% | 3.8 m/s | 8.6 |
| 2013 | 41.6°C | 33.1°C | 24.7°C | 46.6°C | 19.6°C | 56 mm | 41% | 3.8 m/s | 7.7 |
| 2012 | 40.3°C | 32.8°C | 25.3°C | 46.7°C | 21.8°C | 58 mm | 45% | 3.1 m/s | 6.9 |
| 2011 | 41.7°C | 32.6°C | 23.4°C | 49.2°C | 19.0°C | 1 mm | 42% | 4.1 m/s | 8.6 |
| 2010 | 39.2°C | 31.6°C | 24.1°C | 45.2°C | 20.4°C | 52 mm | 51% | 3.9 m/s | 7.8 |
| 2009 | 43.1°C | 34.0°C | 24.9°C | 48.3°C | 20.5°C | 11 mm | 33% | 3.8 m/s | 8.1 |
| 2008 | 40.5°C | 31.7°C | 22.9°C | 44.7°C | 18.0°C | 49 mm | 38% | 3.7 m/s | 8.3 |
| 2007 | 40.5°C | 31.7°C | 23.0°C | 44.9°C | 18.3°C | 4 mm | 37% | 4.2 m/s | 8.3 |
| 2006 | 42.3°C | 33.1°C | 24.0°C | 45.4°C | 19.7°C | 12 mm | 33% | 3.6 m/s | 8.3 |
| 2005 | 43.1°C | 33.9°C | 24.8°C | 47.2°C | 20.6°C | 19 mm | 32% | 3.6 m/s | 8.2 |
| 2004 | 43.6°C | 34.6°C | 25.6°C | 47.0°C | 20.4°C | 3 mm | 29% | 3.8 m/s | 7.9 |
| 2003 | 42.7°C | 32.6°C | 22.5°C | 47.5°C | 18.2°C | 2 mm | 37% | 4 m/s | 8.6 |
| 2002 | 43.1°C | 34.0°C | 24.9°C | 48.3°C | 19.8°C | 9 mm | 35% | 3.7 m/s | 8.3 |
| 2001 | 40.3°C | 31.0°C | 21.8°C | 46.4°C | 19.0°C | 0 mm | 38% | 4 m/s | 8.7 |
| 2000 | 42.5°C | 34.0°C | 25.5°C | 46.5°C | 23.4°C | 41 mm | 41% | 3.5 m/s | 8 |
| 1999 | 40.6°C | 32.7°C | 24.9°C | 44.8°C | 21.3°C | 35 mm | 42% | 3.5 m/s | 7.7 |
| 1998 | 40.2°C | 32.6°C | 24.9°C | 46.5°C | 19.3°C | 55 mm | 46% | 3.7 m/s | 7.6 |
| 1997 | 44.1°C | 34.9°C | 25.7°C | 47.8°C | 22.8°C | 4 mm | 37% | 3.8 m/s | 8.5 |
| 1996 | 41.1°C | 32.7°C | 24.4°C | 45.6°C | 19.5°C | 31 mm | 37% | 3.8 m/s | 8 |
| 1995 | 39.0°C | 31.0°C | 22.9°C | 46.4°C | 18.0°C | 45 mm | 47% | 4.6 m/s | 7.9 |
| 1994 | 42.0°C | 33.8°C | 25.5°C | 47.3°C | 22.1°C | 59 mm | 40% | 3.4 m/s | 7.9 |
| 1993 | 42.2°C | 33.3°C | 24.4°C | 46.5°C | 18.9°C | 17 mm | 33% | 3.9 m/s | 8.4 |
| 1992 | 41.2°C | 31.6°C | 22.1°C | 46.3°C | 18.3°C | 0 mm | 34% | 4 m/s | 8.9 |
| 1991 | 42.2°C | 33.1°C | 23.9°C | 46.4°C | 19.8°C | 0 mm | 26% | 3.9 m/s | 8.2 |
| 1990 | 43.3°C | 33.6°C | 24.0°C | 49.1°C | 18.3°C | 1 mm | 32% | 4.1 m/s | 8.8 |
| 1989 | 41.8°C | 32.3°C | 22.8°C | 46.3°C | 19.0°C | 2 mm | 33% | 4.1 m/s | 8.7 |
| 1988 ❄️ 🌧️ | 38.5°C | 30.5°C | 22.5°C | 44.6°C | 17.2°C | 102 mm | 46% | 4.1 m/s | 8.1 |
| 1987 | 41.7°C | 32.4°C | 23.0°C | 47.8°C | 17.9°C | 1 mm | 32% | 4.2 m/s | 8.5 |
| 1986 | 43.2°C | 33.4°C | 23.6°C | 48.3°C | 18.3°C | 0 mm | 27% | 4.3 m/s | 8.8 |
| 1985 | 43.2°C | 33.4°C | 23.5°C | 47.2°C | 17.0°C | 2 mm | 26% | 4.2 m/s | 8.8 |
| 1984 | 40.3°C | 31.6°C | 22.9°C | 44.7°C | 18.4°C | 23 mm | 36% | 4.1 m/s | 8.1 |
| 1983 | 41.1°C | 33.1°C | 25.1°C | 45.8°C | 18.4°C | 13 mm | 37% | 3.7 m/s | — |
| 1982 | 42.4°C | 33.7°C | 25.0°C | 46.3°C | 21.7°C | 11 mm | 31% | 3.7 m/s | — |
| 1981 | 41.7°C | 32.8°C | 23.8°C | 48.2°C | 17.8°C | 16 mm | 38% | 4 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 41.9°C with lows near 24.2°C (mean 33.1°C), based on 45 years of NASA POWER data.
December averages 18 mm of rainfall in Pannawonica, about average for rainfall. The wettest on record was 102 mm in 1988.
The hottest December reached 49.2°C in 2011. The coldest dipped to 17°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.4°C. Daytime highs moved from 41.7°C to 43.3°C and overnight lows from 24.1°C to 25.3°C over the same span.
December is one of the warmer months of the year in Pannawonica and about average for rainfall, so plan for around 41.9°C daytime highs and 24.2°C at night.
Not quite — December is the 11th coolest month in Pannawonica, averaging 33.1°C.
For December in Pannawonica, pack light, breathable clothing and sun protection, with typical highs of 41.9°C and lows of 24.2°C.
Relative humidity in December averages 37% — relatively dry.
Average wind speed in December is 3.9 m/s. The windiest December on record averaged 4.6 m/s (1995).
The wettest December on record was 1988 with 102 mm. On average, December sees 18 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 Pannawonica 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.
