October is one of the warmer months of the year in New Britain, with average highs near 17.4°C and lows around 7.4°C (mean 12.4°C). It is about average for rainfall, averaging 107 mm of rainfall and 77% relative humidity across the period.
October is one of the warmer months of the year in New Britain. Across 45 years of records, the warmest October in New Britain was 2017 — when the month averaged 16.4°C — while the coldest was 1988 at 9.6°C. Typical October days reach 17.4°C with nights near 7.4°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in New Britain, averaging 107 mm of rainfall. The wettest October on record was 2005 with 384 mm, while the driest was 2024 at 12 mm.
Relative humidity in New Britain during October averages 77%. The most humid October was 2005 at 84%, and the least humid was 2024 at 69%.
October receives about 3 kWh/m²/day of solar energy in New Britain. The sunniest October was 2024 at 3.6 kWh/m²/day, and the cloudiest were 2005 and 2012 at 2.5.
Average wind speed in New Britain during October is 0.6 m/s. The windiest Octobers were 2019, 2022 and 2025, among others at 0.7 m/s, while the calmest were 2021, 2023 and 2024, among others at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.4°C | 11.9°C | 12.2°C | 13.3°C | 13.9°C | +2.5°C |
| Avg High | 16.6°C | 17.0°C | 17.0°C | 18.1°C | 18.8°C | +2.2°C |
| Avg Low | 6.1°C | 6.7°C | 7.3°C | 8.5°C | 8.9°C | +2.8°C |
| Avg Rain | 101 mm | 105 mm | 114 mm | 109 mm | 105 mm | +4 mm |
October temperatures in New Britain have risen by about 2.1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -5.2°C (2020) to a record high of 30.2°C (2019).
Rainfall in October is about average for rainfall, averaging 107 mm, with a wettest year of 384 mm.
A good time to visit New Britain
October is a good time to visit New Britain, with days averaging 17.4°C and nights around 7.4°C (mean 12.4°C, warmer than New Britain's yearly average) and higher rainfall. August and July are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.1°C | 13.3°C | 8.5°C | 29.2°C | 2.5°C | 144 mm | 75% | 0.7 m/s | 3.3 |
| 2024 | 20.4°C | 14.3°C | 8.2°C | 28.4°C | 3.0°C | 12 mm | 69% | 0.6 m/s | 3.6 |
| 2023 | 18.9°C | 14.2°C | 9.4°C | 27.7°C | 3.5°C | 82 mm | 83% | 0.6 m/s | 3 |
| 2022 | 17.7°C | 13.0°C | 8.3°C | 23.7°C | 1.0°C | 121 mm | 79% | 0.7 m/s | 3 |
| 2021 | 19.8°C | 15.2°C | 10.5°C | 25.0°C | 3.4°C | 148 mm | 82% | 0.6 m/s | 2.9 |
| 2020 | 18.0°C | 13.2°C | 8.4°C | 24.8°C | -5.2°C | 126 mm | 79% | 0.6 m/s | 2.8 |
| 2019 | 18.0°C | 13.6°C | 9.2°C | 30.2°C | 3.5°C | 174 mm | 80% | 0.7 m/s | 2.6 |
| 2018 | 16.4°C | 12.1°C | 7.7°C | 26.6°C | -1.7°C | 118 mm | 83% | 0.7 m/s | 2.7 |
| 2017 🔥 | 21.7°C | 16.4°C | 11.2°C | 27.0°C | 3.6°C | 180 mm | 77% | 0.6 m/s | 3.2 |
| 2016 | 18.8°C | 13.4°C | 8.1°C | 27.3°C | 0.5°C | 91 mm | 76% | 0.6 m/s | 3.2 |
| 2015 | 16.9°C | 11.9°C | 6.9°C | 23.1°C | -2.8°C | 77 mm | 74% | 0.7 m/s | 3.2 |
| 2014 | 17.9°C | 13.4°C | 9.0°C | 24.9°C | 1.0°C | 100 mm | 79% | 0.7 m/s | 2.8 |
| 2013 | 19.0°C | 13.6°C | 8.2°C | 27.0°C | 1.1°C | 27 mm | 74% | 0.6 m/s | 3 |
| 2012 | 18.2°C | 13.7°C | 9.3°C | 26.5°C | -0.6°C | 78 mm | 81% | 0.6 m/s | 2.5 |
| 2011 | 16.5°C | 12.2°C | 7.8°C | 25.6°C | -1.9°C | 140 mm | 82% | 0.7 m/s | 3 |
| 2010 | 17.1°C | 12.3°C | 7.5°C | 23.5°C | 2.5°C | 101 mm | 77% | 0.7 m/s | 2.9 |
| 2009 | 15.5°C | 11.1°C | 6.6°C | 22.3°C | 0.7°C | 152 mm | 80% | 0.7 m/s | 2.7 |
| 2008 | 16.2°C | 11.2°C | 6.1°C | 23.0°C | -1.3°C | 64 mm | 78% | 0.7 m/s | 3.3 |
| 2007 | 20.8°C | 15.7°C | 10.7°C | 29.9°C | 0.5°C | 69 mm | 78% | 0.6 m/s | 2.8 |
| 2006 | 16.5°C | 11.6°C | 6.7°C | 24.1°C | 0.0°C | 171 mm | 78% | 0.7 m/s | 3.1 |
| 2005 🌧️ | 16.8°C | 12.7°C | 8.6°C | 26.7°C | -0.8°C | 384 mm | 84% | 0.7 m/s | 2.5 |
| 2004 | 16.1°C | 11.7°C | 7.3°C | 22.6°C | 3.0°C | 62 mm | 81% | 0.6 m/s | 3 |
| 2003 | 16.2°C | 11.2°C | 6.2°C | 26.2°C | -0.3°C | 114 mm | 78% | 0.7 m/s | 2.8 |
| 2002 | 16.0°C | 11.3°C | 6.5°C | 28.2°C | -1.9°C | 85 mm | 75% | 0.6 m/s | 2.9 |
| 2001 | 18.4°C | 12.9°C | 7.4°C | 25.0°C | -1.4°C | 19 mm | 71% | 0.7 m/s | 3.5 |
| 2000 | 17.7°C | 12.1°C | 6.5°C | 26.2°C | -1.4°C | 19 mm | 72% | 0.6 m/s | 3 |
| 1999 | 16.5°C | 11.2°C | 5.9°C | 22.1°C | 0.2°C | 95 mm | 79% | 0.6 m/s | 3.4 |
| 1998 | 16.9°C | 12.0°C | 7.0°C | 24.4°C | 2.1°C | 98 mm | 75% | 0.6 m/s | 3 |
| 1997 | 17.6°C | 11.9°C | 6.2°C | 28.0°C | -2.3°C | 58 mm | 70% | 0.6 m/s | 3.1 |
| 1996 | 16.1°C | 11.0°C | 5.8°C | 22.3°C | -0.6°C | 183 mm | 79% | 0.7 m/s | 3.3 |
| 1995 | 19.1°C | 13.8°C | 8.5°C | 26.1°C | 1.8°C | 185 mm | 79% | 0.7 m/s | 3.1 |
| 1994 | 16.9°C | 11.4°C | 5.9°C | 21.7°C | 1.4°C | 23 mm | 74% | 0.6 m/s | 3.4 |
| 1993 | 15.3°C | 10.6°C | 5.9°C | 23.1°C | -1.5°C | 104 mm | 78% | 0.7 m/s | 3.1 |
| 1992 | 15.7°C | 10.3°C | 5.0°C | 23.4°C | -0.2°C | 53 mm | 74% | 0.6 m/s | 3 |
| 1991 | 17.5°C | 12.5°C | 7.6°C | 24.3°C | 0.3°C | 70 mm | 80% | 0.7 m/s | 3 |
| 1990 | 18.7°C | 14.0°C | 9.3°C | 26.3°C | -1.8°C | 181 mm | 77% | 0.7 m/s | 3.2 |
| 1989 | 16.9°C | 11.8°C | 6.8°C | 22.3°C | 0.9°C | 212 mm | 82% | 0.6 m/s | 3 |
| 1988 ❄️ | 14.5°C | 9.6°C | 4.7°C | 24.7°C | -4.2°C | 79 mm | 74% | 0.7 m/s | 3 |
| 1987 | 15.5°C | 10.0°C | 4.6°C | 22.1°C | -1.3°C | 80 mm | 77% | 0.7 m/s | 3.3 |
| 1986 | 17.0°C | 11.6°C | 6.1°C | 26.1°C | -0.4°C | 71 mm | 73% | 0.6 m/s | 3 |
| 1985 | 17.6°C | 12.4°C | 7.1°C | 23.6°C | -1.6°C | 50 mm | 73% | 0.6 m/s | 3.1 |
| 1984 | 18.9°C | 13.7°C | 8.4°C | 23.8°C | -1.1°C | 92 mm | 76% | 0.6 m/s | 3.2 |
| 1983 | 16.5°C | 11.6°C | 6.6°C | 25.3°C | -2.3°C | 136 mm | 76% | 0.6 m/s | — |
| 1982 | 17.6°C | 11.8°C | 5.9°C | 26.4°C | -2.1°C | 64 mm | 72% | 0.6 m/s | — |
| 1981 | 15.1°C | 9.9°C | 4.7°C | 19.7°C | 0.2°C | 127 mm | 76% | 0.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 17.4°C with lows near 7.4°C (mean 12.4°C), based on 45 years of NASA POWER data.
October averages 107 mm of rainfall in New Britain, about average for rainfall. The wettest on record was 384 mm in 2005.
The hottest October reached 30.2°C in 2019. The coldest dipped to -5.2°C in 2020.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.1°C. Daytime highs moved from 17.1°C to 19°C and overnight lows from 6.5°C to 9°C over the same span.
October is one of the warmer months of the year in New Britain and about average for rainfall, so plan for around 17.4°C daytime highs and 7.4°C at night.
Not quite — October is the 7th coolest month in New Britain, averaging 12.4°C.
For October in New Britain, pack warm layers and a jacket for chilly mornings, with typical highs of 17.4°C and lows of 7.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 77% — quite humid.
Average wind speed in October is 0.6 m/s. The windiest October on record averaged 0.7 m/s (1981).
The wettest October on record was 2005 with 384 mm. On average, October sees 107 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 New Britain behaves each October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
