June is one of the warmer months of the year in Lancaster, with average highs near 26.7°C and lows around 15.4°C (mean 21.1°C). It is a relatively wet time of year, averaging 107 mm of rainfall and 75% relative humidity across the period.
June is one of the warmer months of the year in Lancaster. Across 45 years of records, the warmest June in Lancaster was 2010 — when the month averaged 23.3°C — while the coldest was 1982 at 18.4°C. Typical June days reach 26.7°C with nights near 15.4°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Lancaster, averaging 107 mm of rainfall. The wettest June on record was 2006 with 265 mm, while the driest was 1988 at 23 mm.
Relative humidity in Lancaster during June averages 75%. The most humid June was 1989 at 84%, and the least humid was 1999 at 63%.
June receives about 5.9 kWh/m²/day of solar energy in Lancaster. The sunniest June was 1988 at 7 kWh/m²/day, and the cloudiest was 2003 at 4.8.
Average wind speed in Lancaster during June is 1 m/s. The windiest Junes were 2015, 2017 and 2019, among others at 1.1 m/s, while the calmest was 1983 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.3°C | 20.7°C | 21.3°C | 21.5°C | 21.8°C | +1.5°C |
| Avg High | 26.0°C | 26.4°C | 26.7°C | 26.8°C | 27.7°C | +1.7°C |
| Avg Low | 14.6°C | 14.9°C | 15.8°C | 16.1°C | 16.0°C | +1.4°C |
| Avg Rain | 104 mm | 82 mm | 126 mm | 120 mm | 100 mm | -4 mm |
June temperatures in Lancaster have risen by about 2.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 4°C (1986) to a record high of 36.8°C (2024).
Rainfall in June is a relatively wet time of year, averaging 107 mm, with a wettest year of 265 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Lancaster
June is one of the best times to visit Lancaster. Expect days averaging 26.7°C and nights around 15.4°C (mean 21.1°C) — warmer than Lancaster's yearly average — with higher rainfall (107 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 | 28.4°C | 22.7°C | 17.1°C | 36.6°C | 6.3°C | 103 mm | 78% | 0.9 m/s | 5.6 |
| 2024 | 29.1°C | 23.0°C | 16.9°C | 36.8°C | 10.5°C | 111 mm | 70% | 1 m/s | 6.5 |
| 2023 | 26.8°C | 20.5°C | 14.2°C | 34.3°C | 10.5°C | 116 mm | 68% | 1 m/s | 5.5 |
| 2022 | 27.1°C | 21.2°C | 15.4°C | 31.9°C | 9.5°C | 96 mm | 71% | 1 m/s | 6.4 |
| 2021 | 27.8°C | 22.2°C | 16.7°C | 36.0°C | 9.6°C | 90 mm | 76% | 1 m/s | 6 |
| 2020 | 26.8°C | 21.3°C | 15.8°C | 31.0°C | 6.4°C | 81 mm | 75% | 1 m/s | 6.6 |
| 2019 | 26.0°C | 20.8°C | 15.6°C | 33.8°C | 6.7°C | 151 mm | 79% | 1.1 m/s | 6.2 |
| 2018 | 25.8°C | 20.7°C | 15.7°C | 33.1°C | 9.3°C | 121 mm | 80% | 1 m/s | 5.8 |
| 2017 | 27.8°C | 22.0°C | 16.1°C | 34.9°C | 9.6°C | 83 mm | 69% | 1.1 m/s | 6.3 |
| 2016 | 26.8°C | 21.2°C | 15.6°C | 31.4°C | 7.7°C | 81 mm | 73% | 1 m/s | 6.4 |
| 2015 | 26.4°C | 21.7°C | 16.9°C | 30.9°C | 11.8°C | 226 mm | 81% | 1.1 m/s | 5.1 |
| 2014 | 25.8°C | 20.9°C | 16.0°C | 29.9°C | 10.0°C | 106 mm | 81% | 0.9 m/s | 6.3 |
| 2013 | 26.5°C | 21.3°C | 16.2°C | 31.6°C | 9.7°C | 196 mm | 80% | 1 m/s | 5.7 |
| 2012 | 27.1°C | 21.2°C | 15.3°C | 35.1°C | 9.6°C | 97 mm | 71% | 1 m/s | 6.4 |
| 2011 | 26.7°C | 21.5°C | 16.4°C | 31.2°C | 9.1°C | 82 mm | 79% | 0.9 m/s | 6.1 |
| 2010 🔥 | 29.1°C | 23.3°C | 17.6°C | 34.8°C | 10.7°C | 59 mm | 70% | 1.1 m/s | 6.2 |
| 2009 | 24.9°C | 20.2°C | 15.5°C | 30.0°C | 7.2°C | 143 mm | 82% | 1 m/s | 5.2 |
| 2008 | 27.7°C | 22.2°C | 16.8°C | 33.7°C | 10.4°C | 71 mm | 78% | 0.9 m/s | 6.4 |
| 2007 | 27.4°C | 21.6°C | 15.8°C | 33.4°C | 10.4°C | 101 mm | 73% | 0.9 m/s | 6.5 |
| 2006 🌧️ | 26.3°C | 21.1°C | 15.9°C | 34.0°C | 7.4°C | 265 mm | 75% | 1 m/s | 5.6 |
| 2005 | 28.2°C | 22.5°C | 16.8°C | 34.1°C | 10.2°C | 62 mm | 75% | 1 m/s | 6 |
| 2004 | 25.2°C | 20.0°C | 14.9°C | 30.6°C | 8.8°C | 134 mm | 80% | 0.9 m/s | 5.8 |
| 2003 | 24.4°C | 19.4°C | 14.4°C | 32.4°C | 5.9°C | 190 mm | 83% | 1 m/s | 4.8 |
| 2002 | 28.6°C | 22.4°C | 16.2°C | 35.9°C | 11.1°C | 81 mm | 67% | 1 m/s | 6 |
| 2001 | 28.2°C | 22.1°C | 16.0°C | 33.7°C | 7.6°C | 99 mm | 69% | 1 m/s | 6.3 |
| 2000 | 26.5°C | 21.1°C | 15.7°C | 31.3°C | 9.1°C | 118 mm | 78% | 1.1 m/s | 5.1 |
| 1999 | 28.7°C | 22.1°C | 15.5°C | 35.2°C | 10.0°C | 55 mm | 63% | 1.1 m/s | 6.1 |
| 1998 | 24.6°C | 19.8°C | 14.9°C | 30.4°C | 6.9°C | 128 mm | 81% | 1.1 m/s | 5.2 |
| 1997 | 26.7°C | 20.7°C | 14.7°C | 34.9°C | 8.3°C | 64 mm | 70% | 1 m/s | 6.1 |
| 1996 | 25.7°C | 20.5°C | 15.3°C | 30.2°C | 7.3°C | 154 mm | 82% | 1 m/s | 5.8 |
| 1995 | 26.9°C | 20.9°C | 14.9°C | 34.1°C | 10.1°C | 82 mm | 73% | 1 m/s | 5.3 |
| 1994 | 27.6°C | 21.8°C | 16.0°C | 33.2°C | 6.9°C | 86 mm | 75% | 1 m/s | 5.9 |
| 1993 | 25.7°C | 19.9°C | 14.1°C | 30.2°C | 5.3°C | 66 mm | 76% | 1 m/s | 6.3 |
| 1992 | 24.5°C | 18.8°C | 13.1°C | 29.5°C | 7.5°C | 74 mm | 75% | 1 m/s | 6.1 |
| 1991 | 28.6°C | 22.1°C | 15.7°C | 35.5°C | 9.5°C | 44 mm | 64% | 0.9 m/s | 6.2 |
| 1990 | 25.3°C | 19.9°C | 14.5°C | 30.2°C | 6.4°C | 71 mm | 78% | 1 m/s | 5.7 |
| 1989 | 25.3°C | 20.9°C | 16.5°C | 29.3°C | 10.1°C | 155 mm | 84% | 1 m/s | 5 |
| 1988 | 26.4°C | 19.9°C | 13.4°C | 35.1°C | 5.5°C | 23 mm | 66% | 1.1 m/s | 7 |
| 1987 | 27.4°C | 21.6°C | 15.8°C | 32.2°C | 8.3°C | 69 mm | 75% | 1 m/s | 5.9 |
| 1986 | 27.5°C | 20.9°C | 14.3°C | 33.3°C | 4.0°C | 59 mm | 65% | 1.1 m/s | 6.5 |
| 1985 | 25.6°C | 19.5°C | 13.3°C | 30.6°C | 9.2°C | 75 mm | 69% | 1.1 m/s | 5.5 |
| 1984 | 25.7°C | 20.3°C | 15.0°C | 31.2°C | 6.5°C | 140 mm | 81% | 1 m/s | 5.6 |
| 1983 | 25.3°C | 19.7°C | 14.1°C | 30.0°C | 7.3°C | 110 mm | 80% | 0.8 m/s | — |
| 1982 ❄️ | 23.5°C | 18.4°C | 13.4°C | 28.1°C | 8.6°C | 176 mm | 81% | 1 m/s | — |
| 1981 | 27.1°C | 21.2°C | 15.2°C | 32.8°C | 9.9°C | 126 mm | 73% | 1.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 26.7°C with lows near 15.4°C (mean 21.1°C), based on 45 years of NASA POWER data.
June averages 107 mm of rainfall in Lancaster, a relatively wet time of year. The wettest on record was 265 mm in 2006.
The hottest June reached 36.8°C in 2024. The coldest dipped to 4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.1°C. Daytime highs moved from 25.4°C to 27.8°C and overnight lows from 14.2°C to 16.1°C over the same span.
June is one of the warmer months of the year in Lancaster and a relatively wet time of year, so plan for around 26.7°C daytime highs and 15.4°C at night.
Not quite — June is the 10th coolest month in Lancaster, averaging 21.1°C.
For June in Lancaster, pack light layers you can adjust through the day, with typical highs of 26.7°C and lows of 15.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 75% — quite humid.
Average wind speed in June is 1 m/s. The windiest June on record averaged 1.1 m/s (1981).
The wettest June on record was 2006 with 265 mm. On average, June 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 Lancaster 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.