June is one of the warmer months of the year in New Britain, with average highs near 24.2°C and lows around 14.1°C (mean 19.2°C). It is about average for rainfall, averaging 97 mm of rainfall and 78% relative humidity across the period.
June is one of the warmer months of the year in New Britain. Across 45 years of records, the warmest June in New Britain was 1999 — when the month averaged 21°C — while the coldest was 1982 at 16.5°C. Typical June days reach 24.2°C with nights near 14.1°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in New Britain, averaging 97 mm of rainfall. The wettest June on record was 1982 with 315 mm, while the driest was 1999 at 14 mm.
Relative humidity in New Britain during June averages 78%. The most humid June was 2006 at 85%, and the least humid was 1999 at 66%.
June receives about 6 kWh/m²/day of solar energy in New Britain. The sunniest Junes were 1988 and 2016 at 6.8 kWh/m²/day, and the cloudiest was 2009 at 4.8.
Average wind speed in New Britain during June is 0.4 m/s. The windiest Junes were 2023, 2024 and 2025, among others at 0.4 m/s, while the calmest were 2005, 2008 and 2009, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.3°C | 19.1°C | 19.2°C | 19.3°C | 20.1°C | +1.8°C |
| Avg High | 23.4°C | 24.3°C | 24.2°C | 24.2°C | 25.2°C | +1.8°C |
| Avg Low | 13.3°C | 13.8°C | 14.2°C | 14.4°C | 15.1°C | +1.8°C |
| Avg Rain | 120 mm | 72 mm | 109 mm | 110 mm | 66 mm | -54 mm |
June temperatures in New Britain have risen by about 1.8°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 2.6°C (2000) to a record high of 35.5°C (2025).
Rainfall in June is about average for rainfall, averaging 97 mm, with a wettest year of 315 mm.
One of the best times to visit New Britain
June is one of the best times to visit New Britain. Expect days averaging 24.2°C and nights around 14.1°C (mean 19.2°C) — warmer than New Britain's yearly average — with higher rainfall (97 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 | 25.4°C | 20.5°C | 15.7°C | 35.5°C | 8.1°C | 43 mm | 79% | 0.4 m/s | 5.6 |
| 2024 | 25.6°C | 20.7°C | 15.8°C | 30.1°C | 11.1°C | 100 mm | 79% | 0.4 m/s | 6.6 |
| 2023 | 23.4°C | 18.6°C | 13.9°C | 30.5°C | 8.5°C | 60 mm | 79% | 0.4 m/s | 5.4 |
| 2022 | 24.9°C | 19.6°C | 14.3°C | 32.4°C | 9.1°C | 83 mm | 74% | 0.4 m/s | 6.2 |
| 2021 | 26.0°C | 20.8°C | 15.6°C | 34.2°C | 9.5°C | 50 mm | 78% | 0.4 m/s | 6.4 |
| 2020 | 25.8°C | 20.4°C | 15.0°C | 30.2°C | 5.5°C | 62 mm | 75% | 0.4 m/s | 6.4 |
| 2019 | 23.6°C | 19.0°C | 14.4°C | 31.3°C | 7.1°C | 107 mm | 80% | 0.4 m/s | 5.9 |
| 2018 | 23.7°C | 18.8°C | 13.8°C | 31.5°C | 9.2°C | 98 mm | 79% | 0.4 m/s | 6 |
| 2017 | 23.8°C | 19.0°C | 14.2°C | 30.6°C | 8.2°C | 91 mm | 79% | 0.4 m/s | 6 |
| 2016 | 25.3°C | 19.8°C | 14.2°C | 30.5°C | 9.4°C | 39 mm | 70% | 0.4 m/s | 6.8 |
| 2015 | 23.5°C | 18.8°C | 14.1°C | 28.3°C | 7.5°C | 134 mm | 80% | 0.4 m/s | 5.4 |
| 2014 | 24.3°C | 19.3°C | 14.3°C | 27.9°C | 7.7°C | 57 mm | 78% | 0.4 m/s | 6.3 |
| 2013 | 23.9°C | 19.6°C | 15.3°C | 29.2°C | 10.2°C | 243 mm | 82% | 0.4 m/s | 6 |
| 2012 | 24.3°C | 19.1°C | 14.0°C | 33.4°C | 9.2°C | 111 mm | 76% | 0.4 m/s | 6.2 |
| 2011 | 23.7°C | 19.1°C | 14.4°C | 29.4°C | 8.8°C | 143 mm | 81% | 0.4 m/s | 5.9 |
| 2010 | 25.4°C | 20.5°C | 15.6°C | 31.1°C | 9.7°C | 80 mm | 79% | 0.4 m/s | 5.9 |
| 2009 | 22.2°C | 18.0°C | 13.7°C | 28.1°C | 4.6°C | 145 mm | 83% | 0.3 m/s | 4.8 |
| 2008 | 25.5°C | 20.5°C | 15.6°C | 32.1°C | 10.8°C | 90 mm | 80% | 0.3 m/s | 6 |
| 2007 | 24.2°C | 19.0°C | 13.9°C | 31.6°C | 7.5°C | 83 mm | 78% | 0.4 m/s | 6.2 |
| 2006 | 23.2°C | 19.1°C | 15.1°C | 28.4°C | 9.2°C | 224 mm | 85% | 0.4 m/s | 5 |
| 2005 | 25.5°C | 20.3°C | 15.1°C | 32.2°C | 8.9°C | 44 mm | 80% | 0.3 m/s | 6 |
| 2004 | 24.0°C | 18.8°C | 13.6°C | 29.6°C | 8.7°C | 39 mm | 76% | 0.4 m/s | 6.2 |
| 2003 | 23.0°C | 18.2°C | 13.4°C | 34.3°C | 8.8°C | 143 mm | 83% | 0.3 m/s | 5.1 |
| 2002 | 25.0°C | 19.1°C | 13.3°C | 32.7°C | 6.4°C | 79 mm | 74% | 0.4 m/s | 6.2 |
| 2001 | 25.4°C | 20.2°C | 15.0°C | 30.7°C | 5.4°C | 123 mm | 77% | 0.3 m/s | 6.4 |
| 2000 | 23.7°C | 18.7°C | 13.8°C | 29.1°C | 2.6°C | 119 mm | 80% | 0.4 m/s | 5.4 |
| 1999 🔥 | 27.0°C | 21.0°C | 15.0°C | 33.5°C | 8.5°C | 14 mm | 66% | 0.4 m/s | 6.5 |
| 1998 | 22.3°C | 17.9°C | 13.5°C | 28.8°C | 6.9°C | 205 mm | 82% | 0.4 m/s | 5.3 |
| 1997 | 24.4°C | 18.7°C | 13.1°C | 30.5°C | 6.8°C | 41 mm | 74% | 0.4 m/s | 6.3 |
| 1996 | 23.5°C | 18.9°C | 14.2°C | 27.0°C | 7.8°C | 71 mm | 81% | 0.4 m/s | 5.6 |
| 1995 | 24.7°C | 19.3°C | 13.8°C | 33.4°C | 8.3°C | 58 mm | 74% | 0.4 m/s | 5.9 |
| 1994 | 25.2°C | 20.1°C | 15.0°C | 31.6°C | 7.1°C | 53 mm | 78% | 0.4 m/s | 5.7 |
| 1993 | 24.3°C | 18.9°C | 13.5°C | 29.0°C | 6.3°C | 46 mm | 75% | 0.4 m/s | 6.4 |
| 1992 | 23.0°C | 17.6°C | 12.2°C | 26.7°C | 7.7°C | 124 mm | 78% | 0.4 m/s | 6.5 |
| 1991 | 25.5°C | 19.8°C | 14.2°C | 33.2°C | 9.0°C | 38 mm | 72% | 0.4 m/s | 6.3 |
| 1990 | 23.3°C | 18.4°C | 13.6°C | 26.5°C | 7.4°C | 65 mm | 81% | 0.4 m/s | 6 |
| 1989 | 23.3°C | 18.9°C | 14.6°C | 28.5°C | 10.8°C | 166 mm | 85% | 0.3 m/s | 5.4 |
| 1988 | 23.9°C | 18.2°C | 12.6°C | 32.0°C | 7.2°C | 38 mm | 70% | 0.4 m/s | 6.8 |
| 1987 | 24.1°C | 19.1°C | 14.1°C | 28.9°C | 7.7°C | 52 mm | 80% | 0.4 m/s | 6 |
| 1986 | 23.0°C | 17.7°C | 12.4°C | 27.9°C | 5.2°C | 109 mm | 75% | 0.4 m/s | 6.3 |
| 1985 | 22.2°C | 17.1°C | 12.0°C | 26.9°C | 8.3°C | 118 mm | 75% | 0.4 m/s | 5.4 |
| 1984 | 23.9°C | 19.2°C | 14.5°C | 30.6°C | 7.2°C | 113 mm | 83% | 0.4 m/s | 5.8 |
| 1983 | 24.2°C | 18.9°C | 13.7°C | 29.1°C | 6.1°C | 74 mm | 80% | 0.3 m/s | — |
| 1982 ❄️ 🌧️ | 21.0°C | 16.5°C | 12.0°C | 26.6°C | 8.2°C | 315 mm | 83% | 0.4 m/s | — |
| 1981 | 24.8°C | 19.2°C | 13.6°C | 31.7°C | 7.8°C | 96 mm | 74% | 0.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 24.2°C with lows near 14.1°C (mean 19.2°C), based on 45 years of NASA POWER data.
June averages 97 mm of rainfall in New Britain, about average for rainfall. The wettest on record was 315 mm in 1982.
The hottest June reached 35.5°C in 2025. The coldest dipped to 2.6°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.8°C. Daytime highs moved from 23.2°C to 25.1°C and overnight lows from 13.2°C to 15.1°C over the same span.
June is one of the warmer months of the year in New Britain and about average for rainfall, so plan for around 24.2°C daytime highs and 14.1°C at night.
Not quite — June is the 10th coolest month in New Britain, averaging 19.2°C.
For June in New Britain, pack light layers you can adjust through the day, with typical highs of 24.2°C and lows of 14.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 78% — quite humid.
Average wind speed in June is 0.4 m/s. The windiest June on record averaged 0.4 m/s (1981).
The wettest June on record was 1982 with 315 mm. On average, June sees 97 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 June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
