June is one of the warmer months of the year in Hanover, with average highs near 24°C and lows around 11.7°C (mean 17.9°C). It is a relatively wet time of year, averaging 95 mm of rainfall and 67% relative humidity across the period.
June is one of the warmer months of the year in Hanover. Across 45 years of records, the warmest June in Hanover was 1988 — when the month averaged 22.9°C — while the coldest was 1982 at 14.1°C. Typical June days reach 24°C with nights near 11.7°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Hanover, averaging 95 mm of rainfall. The wettest June on record was 2000 with 222 mm, while the driest was 2006 at 35 mm.
Relative humidity in Hanover during June averages 67%. The most humid June was 2005 at 79%, and the least humid was 1988 at 51%.
June receives about 6 kWh/m²/day of solar energy in Hanover. The sunniest June was 1987 at 7 kWh/m²/day, and the cloudiest was 2005 at 4.7.
Average wind speed in Hanover during June is 2.8 m/s. The windiest Junes were 1985 and 2020 at 3.3 m/s, while the calmest was 2023 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.3°C | 18.0°C | 17.0°C | 18.2°C | 19.3°C | +2°C |
| Avg High | 23.8°C | 24.2°C | 22.8°C | 24.2°C | 25.7°C | +1.9°C |
| Avg Low | 10.8°C | 11.9°C | 11.2°C | 12.2°C | 12.8°C | +2°C |
| Avg Rain | 94 mm | 90 mm | 120 mm | 93 mm | 70 mm | -24 mm |
June temperatures in Hanover have risen by about 3.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.9°C (2009) to a record high of 38°C (1995).
Rainfall in June is a relatively wet time of year, averaging 95 mm, with a wettest year of 222 mm.
One of the best times to visit Hanover
June is one of the best times to visit Hanover. Expect days averaging 24°C and nights around 11.7°C (mean 17.9°C) — warmer than Hanover's yearly average — with higher rainfall (95 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 | 26.0°C | 19.0°C | 12.1°C | 32.7°C | 7.0°C | 44 mm | 61% | 2.7 m/s | 5.9 |
| 2024 | 22.7°C | 16.8°C | 10.8°C | 30.0°C | 6.5°C | 116 mm | 68% | 3 m/s | 6.2 |
| 2023 | 27.8°C | 21.8°C | 15.7°C | 37.8°C | 10.8°C | 46 mm | 64% | 2.4 m/s | 6.2 |
| 2022 | 23.3°C | 17.2°C | 11.1°C | 33.7°C | 2.5°C | 64 mm | 72% | 3.1 m/s | 6.4 |
| 2021 | 29.0°C | 21.6°C | 14.2°C | 37.8°C | 7.5°C | 40 mm | 55% | 3 m/s | 6.7 |
| 2020 | 25.5°C | 19.2°C | 12.8°C | 32.5°C | 5.5°C | 107 mm | 67% | 3.3 m/s | 6.2 |
| 2019 | 25.7°C | 18.7°C | 11.8°C | 36.3°C | 4.0°C | 62 mm | 60% | 2.6 m/s | 6.2 |
| 2018 | 26.7°C | 20.4°C | 14.0°C | 32.7°C | 7.3°C | 87 mm | 64% | 2.8 m/s | 6.2 |
| 2017 | 24.4°C | 18.3°C | 12.1°C | 33.4°C | 6.9°C | 62 mm | 64% | 3.2 m/s | 5.9 |
| 2016 | 24.0°C | 18.1°C | 12.3°C | 29.8°C | 6.2°C | 89 mm | 68% | 3 m/s | 6.1 |
| 2015 | 24.5°C | 18.1°C | 11.8°C | 31.0°C | 7.1°C | 72 mm | 67% | 2.5 m/s | 6.1 |
| 2014 | 22.3°C | 17.1°C | 11.8°C | 27.9°C | 6.5°C | 201 mm | 76% | 3.1 m/s | 5.4 |
| 2013 | 24.1°C | 18.1°C | 12.2°C | 29.1°C | 2.6°C | 70 mm | 70% | 2.7 m/s | 6.3 |
| 2012 | 25.8°C | 19.2°C | 12.6°C | 32.3°C | 4.1°C | 60 mm | 63% | 2.8 m/s | 6.4 |
| 2011 | 22.6°C | 17.0°C | 11.4°C | 31.8°C | 6.1°C | 114 mm | 74% | 2.8 m/s | 5.5 |
| 2010 | 21.9°C | 16.9°C | 12.0°C | 26.4°C | 6.5°C | 116 mm | 76% | 2.5 m/s | 5.4 |
| 2009 | 21.2°C | 15.5°C | 9.8°C | 29.3°C | 0.9°C | 92 mm | 73% | 2.7 m/s | 5.8 |
| 2008 | 22.7°C | 16.7°C | 10.8°C | 29.6°C | 5.8°C | 110 mm | 68% | 2.8 m/s | 6.3 |
| 2007 | 23.5°C | 18.2°C | 12.9°C | 29.1°C | 4.4°C | 153 mm | 74% | 2.8 m/s | 6.2 |
| 2006 | 24.9°C | 18.9°C | 12.9°C | 31.8°C | 7.7°C | 35 mm | 65% | 2.6 m/s | 6.5 |
| 2005 | 22.9°C | 17.8°C | 12.8°C | 31.9°C | 7.2°C | 193 mm | 79% | 3.1 m/s | 4.7 |
| 2004 | 20.0°C | 14.5°C | 9.0°C | 28.3°C | 4.1°C | 71 mm | 72% | 3.1 m/s | 5.9 |
| 2003 | 23.9°C | 17.9°C | 11.9°C | 30.6°C | 7.6°C | 90 mm | 65% | 2.5 m/s | 6.2 |
| 2002 | 25.1°C | 18.5°C | 11.8°C | 33.9°C | 6.3°C | 146 mm | 66% | 2.8 m/s | 6 |
| 2001 | 22.7°C | 16.7°C | 10.8°C | 31.5°C | 6.1°C | 86 mm | 72% | 2.7 m/s | 5.8 |
| 2000 🌧️ | 20.7°C | 15.1°C | 9.5°C | 30.1°C | 3.6°C | 222 mm | 71% | 2.8 m/s | 5.5 |
| 1999 | 22.6°C | 16.8°C | 10.9°C | 30.7°C | 5.5°C | 90 mm | 68% | 2.9 m/s | 5.9 |
| 1998 | 20.8°C | 15.9°C | 11.1°C | 28.9°C | 2.6°C | 112 mm | 75% | 2.7 m/s | 5 |
| 1997 | 25.9°C | 19.4°C | 12.8°C | 31.8°C | 8.1°C | 66 mm | 64% | 2.9 m/s | 6.5 |
| 1996 | 25.3°C | 18.7°C | 12.1°C | 33.6°C | 6.6°C | 63 mm | 66% | 3 m/s | 6.2 |
| 1995 | 27.2°C | 21.0°C | 14.9°C | 38.0°C | 4.9°C | 52 mm | 63% | 2.7 m/s | 6.1 |
| 1994 | 24.9°C | 18.5°C | 12.2°C | 29.4°C | 6.6°C | 87 mm | 66% | 2.6 m/s | 5.8 |
| 1993 | 22.6°C | 16.5°C | 10.4°C | 30.0°C | 3.2°C | 97 mm | 64% | 3.2 m/s | 5.7 |
| 1992 | 21.8°C | 15.5°C | 9.3°C | 29.1°C | 2.7°C | 60 mm | 68% | 2.6 m/s | 5.4 |
| 1991 | 26.6°C | 20.0°C | 13.5°C | 32.4°C | 9.4°C | 139 mm | 66% | 2.9 m/s | 5.9 |
| 1990 | 24.1°C | 17.8°C | 11.5°C | 31.9°C | 3.4°C | 134 mm | 70% | 2.8 m/s | 6.4 |
| 1989 | 23.2°C | 16.6°C | 10.1°C | 29.9°C | 3.9°C | 134 mm | 66% | 2.5 m/s | 5.9 |
| 1988 🔥 | 30.6°C | 22.9°C | 15.2°C | 37.9°C | 10.2°C | 51 mm | 51% | 3 m/s | 6.7 |
| 1987 | 27.3°C | 20.3°C | 13.3°C | 35.8°C | 6.1°C | 53 mm | 55% | 3.1 m/s | 7 |
| 1986 | 23.4°C | 17.0°C | 10.5°C | 31.0°C | 4.3°C | 53 mm | 66% | 2.9 m/s | 6.1 |
| 1985 | 20.4°C | 14.3°C | 8.1°C | 28.3°C | 1.4°C | 93 mm | 67% | 3.3 m/s | 5.3 |
| 1984 | 23.0°C | 17.0°C | 11.1°C | 29.1°C | 5.3°C | 164 mm | 72% | 2.8 m/s | 5.6 |
| 1983 | 23.2°C | 17.1°C | 10.9°C | 30.4°C | 3.1°C | 123 mm | 71% | 2.9 m/s | — |
| 1982 ❄️ | 20.6°C | 14.1°C | 7.7°C | 27.4°C | 1.2°C | 63 mm | 66% | 2.7 m/s | — |
| 1981 | 22.3°C | 16.2°C | 10.2°C | 29.8°C | 5.8°C | 110 mm | 70% | 2.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 24°C with lows near 11.7°C (mean 17.9°C), based on 45 years of NASA POWER data.
June averages 95 mm of rainfall in Hanover, a relatively wet time of year. The wettest on record was 222 mm in 2000.
The hottest June reached 38°C in 1995. The coldest dipped to 0.9°C in 2009.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 3.6°C. Daytime highs moved from 21.9°C to 25.8°C and overnight lows from 9.6°C to 12.8°C over the same span.
June is one of the warmer months of the year in Hanover and a relatively wet time of year, so plan for around 24°C daytime highs and 11.7°C at night.
Not quite — June is the 10th coolest month in Hanover, averaging 17.9°C.
For June in Hanover, pack light layers you can adjust through the day, with typical highs of 24°C and lows of 11.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 67% — moderately humid.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 3.3 m/s (1985).
The wettest June on record was 2000 with 222 mm. On average, June sees 95 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 Hanover 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.
