June is one of the warmer months of the year in Amherst, with average highs near 19°C and lows around 10.1°C (mean 14.6°C). It is about average for rainfall, averaging 87 mm of rainfall and 81% relative humidity across the period.
June is one of the warmer months of the year in Amherst. Across 45 years of records, the warmest June in Amherst was 2021 — when the month averaged 17.1°C — while the coldest was 1986 at 12.8°C. Typical June days reach 19°C with nights near 10.1°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Amherst, averaging 87 mm of rainfall. The wettest June on record was 2006 with 182 mm, while the driest was 1999 at 29 mm.
Relative humidity in Amherst during June averages 81%. The most humid June was 2006 at 88%, and the least humid was 1999 at 76%.
June receives about 5.6 kWh/m²/day of solar energy in Amherst. The sunniest Junes were 1988 and 1999 at 6.2 kWh/m²/day, and the cloudiest was 2006 at 4.3.
Average wind speed in Amherst during June is 0.8 m/s. The windiest June was 2018 at 1 m/s, while the calmest were 1983 and 2006 at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.0°C | 14.7°C | 14.5°C | 14.2°C | 15.9°C | +1.9°C |
| Avg High | 18.5°C | 19.5°C | 18.9°C | 18.4°C | 20.4°C | +1.9°C |
| Avg Low | 9.6°C | 9.9°C | 10.1°C | 9.9°C | 11.5°C | +1.9°C |
| Avg Rain | 95 mm | 65 mm | 90 mm | 102 mm | 82 mm | -14 mm |
June temperatures in Amherst have risen by about 1.7°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.4°C (2018) to a record high of 28.5°C (2025).
Rainfall in June is about average for rainfall, averaging 87 mm, with a wettest year of 182 mm.
One of the best times to visit Amherst
June is one of the best times to visit Amherst. Expect days averaging 19°C and nights around 10.1°C (mean 14.6°C) — warmer than Amherst's yearly average — with higher rainfall (87 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 | 20.8°C | 16.1°C | 11.4°C | 28.5°C | 7.3°C | 61 mm | 77% | 0.9 m/s | 5.9 |
| 2024 | 20.2°C | 16.1°C | 11.9°C | 27.1°C | 5.8°C | 108 mm | 83% | 0.9 m/s | 5.6 |
| 2023 | 18.7°C | 14.6°C | 10.5°C | 28.0°C | 4.8°C | 122 mm | 86% | 0.9 m/s | 4.5 |
| 2022 | 20.2°C | 15.7°C | 11.3°C | 27.0°C | 5.2°C | 92 mm | 81% | 0.8 m/s | 5.7 |
| 2021 🔥 | 21.8°C | 17.1°C | 12.4°C | 27.2°C | 5.5°C | 49 mm | 79% | 0.9 m/s | 6.1 |
| 2020 | 20.4°C | 15.8°C | 11.3°C | 26.5°C | 4.7°C | 56 mm | 80% | 0.8 m/s | 6 |
| 2019 | 18.9°C | 14.5°C | 10.0°C | 22.7°C | 5.3°C | 117 mm | 81% | 0.8 m/s | 5.6 |
| 2018 | 17.9°C | 13.2°C | 8.4°C | 26.1°C | 1.4°C | 118 mm | 77% | 1 m/s | 6 |
| 2017 | 19.2°C | 15.1°C | 11.0°C | 25.3°C | 5.3°C | 78 mm | 82% | 0.8 m/s | 5.6 |
| 2016 | 17.5°C | 13.2°C | 8.9°C | 24.1°C | 3.1°C | 77 mm | 82% | 0.7 m/s | 5.9 |
| 2015 | 17.1°C | 13.1°C | 9.1°C | 22.3°C | 4.5°C | 112 mm | 81% | 0.9 m/s | 5.5 |
| 2014 | 19.3°C | 14.8°C | 10.3°C | 27.8°C | 5.0°C | 111 mm | 82% | 0.8 m/s | 5.7 |
| 2013 | 19.1°C | 15.1°C | 11.0°C | 26.4°C | 6.0°C | 107 mm | 82% | 0.8 m/s | 5.1 |
| 2012 | 18.2°C | 14.1°C | 10.0°C | 25.2°C | 7.4°C | 75 mm | 84% | 0.7 m/s | 5.5 |
| 2011 | 17.6°C | 13.7°C | 9.8°C | 24.6°C | 6.7°C | 78 mm | 84% | 0.8 m/s | 4.9 |
| 2010 | 19.2°C | 14.9°C | 10.7°C | 24.0°C | 6.5°C | 149 mm | 82% | 0.8 m/s | 5 |
| 2009 | 19.2°C | 15.1°C | 11.0°C | 24.8°C | 6.1°C | 112 mm | 83% | 0.8 m/s | 5.3 |
| 2008 | 19.1°C | 15.1°C | 11.1°C | 25.4°C | 7.4°C | 80 mm | 84% | 0.8 m/s | 5.2 |
| 2007 | 18.8°C | 14.3°C | 9.8°C | 23.3°C | 4.5°C | 86 mm | 83% | 0.8 m/s | 5.8 |
| 2006 🌧️ | 18.8°C | 14.8°C | 10.8°C | 24.1°C | 6.5°C | 182 mm | 88% | 0.6 m/s | 4.3 |
| 2005 | 19.1°C | 14.4°C | 9.7°C | 25.2°C | 5.1°C | 64 mm | 82% | 0.8 m/s | 5.4 |
| 2004 | 17.6°C | 13.1°C | 8.6°C | 24.9°C | 3.4°C | 95 mm | 79% | 0.8 m/s | 5.7 |
| 2003 | 19.7°C | 15.0°C | 10.2°C | 27.8°C | 4.7°C | 84 mm | 81% | 0.7 m/s | 5.9 |
| 2002 | 17.5°C | 13.0°C | 8.6°C | 23.7°C | 3.5°C | 63 mm | 79% | 0.8 m/s | 5.5 |
| 2001 | 20.4°C | 15.9°C | 11.3°C | 27.6°C | 5.5°C | 64 mm | 81% | 0.7 m/s | 6 |
| 2000 | 19.1°C | 14.6°C | 10.1°C | 25.9°C | 3.4°C | 66 mm | 78% | 0.8 m/s | 5.8 |
| 1999 | 21.4°C | 16.4°C | 11.5°C | 26.9°C | 6.0°C | 29 mm | 76% | 0.7 m/s | 6.2 |
| 1998 | 18.8°C | 14.5°C | 10.3°C | 25.4°C | 5.0°C | 62 mm | 80% | 0.8 m/s | 5 |
| 1997 | 18.8°C | 14.0°C | 9.2°C | 27.6°C | 2.0°C | 69 mm | 81% | 0.7 m/s | 5.6 |
| 1996 | 19.8°C | 14.9°C | 10.1°C | 25.0°C | 3.0°C | 53 mm | 79% | 0.8 m/s | 6 |
| 1995 | 20.3°C | 14.9°C | 9.5°C | 25.9°C | 5.4°C | 89 mm | 77% | 0.7 m/s | 6 |
| 1994 | 20.1°C | 15.4°C | 10.6°C | 26.2°C | 3.2°C | 92 mm | 81% | 0.8 m/s | 5.5 |
| 1993 | 18.6°C | 13.9°C | 9.1°C | 25.7°C | 2.8°C | 105 mm | 80% | 0.8 m/s | 5.3 |
| 1992 | 18.7°C | 13.9°C | 9.1°C | 23.0°C | 2.7°C | 77 mm | 81% | 0.7 m/s | 5.5 |
| 1991 | 19.3°C | 14.3°C | 9.4°C | 24.4°C | 4.4°C | 38 mm | 79% | 0.8 m/s | 6 |
| 1990 | 19.6°C | 14.9°C | 10.2°C | 23.5°C | 4.4°C | 41 mm | 82% | 0.8 m/s | 5.8 |
| 1989 | 19.6°C | 15.2°C | 10.8°C | 25.2°C | 6.1°C | 72 mm | 82% | 0.7 m/s | 5.3 |
| 1988 | 17.6°C | 13.3°C | 8.9°C | 25.2°C | 3.8°C | 67 mm | 81% | 0.8 m/s | 6.2 |
| 1987 | 18.7°C | 14.2°C | 9.7°C | 23.0°C | 5.5°C | 116 mm | 80% | 0.8 m/s | 5.8 |
| 1986 ❄️ | 17.4°C | 12.8°C | 8.2°C | 22.3°C | 3.9°C | 66 mm | 78% | 0.8 m/s | 5.6 |
| 1985 | 17.7°C | 13.4°C | 9.2°C | 21.8°C | 6.2°C | 145 mm | 83% | 0.8 m/s | 5.2 |
| 1984 | 18.3°C | 14.0°C | 9.8°C | 24.7°C | 2.2°C | 108 mm | 82% | 0.8 m/s | 5 |
| 1983 | 19.9°C | 15.2°C | 10.5°C | 27.3°C | 6.7°C | 32 mm | 81% | 0.6 m/s | — |
| 1982 | 17.8°C | 13.6°C | 9.3°C | 22.4°C | 4.1°C | 123 mm | 82% | 0.7 m/s | — |
| 1981 | 19.2°C | 14.7°C | 10.2°C | 26.3°C | 6.0°C | 130 mm | 81% | 0.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 19°C with lows near 10.1°C (mean 14.6°C), based on 45 years of NASA POWER data.
June averages 87 mm of rainfall in Amherst, about average for rainfall. The wettest on record was 182 mm in 2006.
The hottest June reached 28.5°C in 2025. The coldest dipped to 1.4°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.7°C. Daytime highs moved from 18.6°C to 20.3°C and overnight lows from 9.8°C to 11.5°C over the same span.
June is one of the warmer months of the year in Amherst and about average for rainfall, so plan for around 19°C daytime highs and 10.1°C at night.
Not quite — June is the 9th coolest month in Amherst, averaging 14.6°C.
For June in Amherst, pack light layers you can adjust through the day, with typical highs of 19°C and lows of 10.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 81% — quite humid.
Average wind speed in June is 0.8 m/s. The windiest June on record averaged 1 m/s (2018).
The wettest June on record was 2006 with 182 mm. On average, June sees 87 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 Amherst 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.
