July is one of the warmer months of the year in Lancaster, with average highs near 36°C and lows around 17.5°C (mean 26.8°C). It is one of the drier months, averaging 3 mm of rainfall and 33% relative humidity across the period.
July is one of the warmer months of the year in Lancaster. Across 45 years of records, the warmest July in Lancaster was 2024 — when the month averaged 30.1°C — while the coldest was 1993 at 22.9°C. Typical July days reach 36°C with nights near 17.5°C. The long-term trend is warming, about 0.5°C per decade.
July is one of the drier months in Lancaster, averaging 3 mm of rainfall. The wettest July on record was 2015 with 30 mm, while the driest were 2016, 2020 and 2023, among others at 0 mm.
Relative humidity in Lancaster during July averages 33%. The most humid July was 2015 at 47%, and the least humid was 1981 at 20%.
July receives about 7.8 kWh/m²/day of solar energy in Lancaster. The sunniest July was 2020 at 8.5 kWh/m²/day, and the cloudiest was 1988 at 7.
Average wind speed in Lancaster during July is 2.2 m/s. The windiest Julys were 1997, 2016 and 2025, among others at 2.4 m/s, while the calmest was 1984 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.2°C | 25.8°C | 27.5°C | 26.8°C | 27.7°C | +1.5°C |
| Avg High | 35.6°C | 35.0°C | 36.8°C | 35.8°C | 36.9°C | +1.3°C |
| Avg Low | 16.8°C | 16.6°C | 18.2°C | 17.8°C | 18.6°C | +1.8°C |
| Avg Rain | 3 mm | 2 mm | 2 mm | 4 mm | 1 mm | -2 mm |
July temperatures in Lancaster have risen by about 1.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 9°C (1987) to a record high of 45.2°C (2024).
Rainfall in July is one of the drier months, averaging 3 mm, with a wettest year of 30 mm.
A good time to visit Lancaster
July is a good time to visit Lancaster, with days averaging 36°C and nights around 17.5°C (mean 26.8°C, warmer than Lancaster's yearly average) and low rainfall. June and September are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 34.5°C | 25.2°C | 15.9°C | 40.0°C | 11.6°C | 0 mm | 37% | 2.4 m/s | 8.2 |
| 2024 🔥 | 39.4°C | 30.1°C | 20.9°C | 45.2°C | 15.4°C | 1 mm | 24% | 2.1 m/s | 8 |
| 2023 | 37.7°C | 28.6°C | 19.4°C | 43.2°C | 12.2°C | 0 mm | 29% | 2.1 m/s | 8.1 |
| 2022 | 36.5°C | 27.7°C | 18.8°C | 41.6°C | 13.1°C | 1 mm | 31% | 2.3 m/s | 8 |
| 2021 | 37.5°C | 28.8°C | 20.1°C | 43.0°C | 16.7°C | 2 mm | 29% | 2.3 m/s | 7.7 |
| 2020 | 35.8°C | 26.0°C | 16.3°C | 41.3°C | 11.0°C | 0 mm | 31% | 2.3 m/s | 8.5 |
| 2019 | 35.4°C | 26.3°C | 17.1°C | 41.1°C | 12.3°C | 0 mm | 32% | 2.2 m/s | 8.1 |
| 2018 | 38.4°C | 29.5°C | 20.7°C | 44.0°C | 12.9°C | 1 mm | 32% | 2.3 m/s | 7.7 |
| 2017 | 38.0°C | 28.7°C | 19.4°C | 43.4°C | 13.7°C | 0 mm | 29% | 2.2 m/s | 8 |
| 2016 | 36.9°C | 27.2°C | 17.5°C | 42.4°C | 12.8°C | 0 mm | 27% | 2.4 m/s | 8.4 |
| 2015 🌧️ | 32.8°C | 24.6°C | 16.5°C | 37.1°C | 12.8°C | 30 mm | 47% | 2.3 m/s | 7.5 |
| 2014 | 35.8°C | 27.0°C | 18.3°C | 41.0°C | 13.7°C | 1 mm | 35% | 2.3 m/s | 7.7 |
| 2013 | 36.1°C | 27.3°C | 18.5°C | 40.1°C | 14.2°C | 2 mm | 31% | 2.2 m/s | 7.2 |
| 2012 | 35.0°C | 25.6°C | 16.3°C | 41.9°C | 10.4°C | 1 mm | 30% | 2.2 m/s | 8 |
| 2011 | 34.8°C | 25.7°C | 16.7°C | 41.2°C | 11.3°C | 5 mm | 37% | 2.2 m/s | 8 |
| 2010 | 35.1°C | 25.9°C | 16.7°C | 41.5°C | 12.7°C | 1 mm | 35% | 2.3 m/s | 8 |
| 2009 | 37.4°C | 28.1°C | 18.7°C | 43.0°C | 13.2°C | 0 mm | 27% | 2.2 m/s | 8.3 |
| 2008 | 37.0°C | 27.5°C | 18.0°C | 42.5°C | 15.0°C | 6 mm | 34% | 2.1 m/s | 7.9 |
| 2007 | 37.0°C | 27.5°C | 18.0°C | 43.3°C | 14.3°C | 0 mm | 31% | 2.1 m/s | 8 |
| 2006 | 38.4°C | 29.8°C | 21.3°C | 43.7°C | 16.0°C | 3 mm | 34% | 2.3 m/s | 7.7 |
| 2005 | 37.5°C | 28.3°C | 19.2°C | 43.0°C | 13.6°C | 3 mm | 37% | 2.1 m/s | 8 |
| 2004 | 35.9°C | 26.5°C | 17.1°C | 39.9°C | 12.3°C | 0 mm | 32% | 2.3 m/s | 8.2 |
| 2003 | 38.0°C | 28.6°C | 19.2°C | 42.4°C | 14.1°C | 7 mm | 30% | 2.3 m/s | 7.6 |
| 2002 | 36.7°C | 27.3°C | 17.8°C | 44.2°C | 13.8°C | 0 mm | 33% | 2.3 m/s | 8 |
| 2001 | 34.3°C | 25.4°C | 16.4°C | 41.5°C | 11.1°C | 2 mm | 38% | 2.3 m/s | 7.9 |
| 2000 | 35.4°C | 25.6°C | 15.9°C | 41.5°C | 10.6°C | 1 mm | 33% | 2.3 m/s | 8.1 |
| 1999 | 34.2°C | 25.5°C | 16.8°C | 38.5°C | 12.1°C | 10 mm | 35% | 2.3 m/s | 7.9 |
| 1998 | 35.1°C | 25.9°C | 16.8°C | 41.8°C | 10.9°C | 1 mm | 41% | 2.1 m/s | 8.3 |
| 1997 | 34.8°C | 25.1°C | 15.4°C | 40.5°C | 11.6°C | 1 mm | 37% | 2.4 m/s | 7.9 |
| 1996 | 37.2°C | 28.3°C | 19.3°C | 41.6°C | 13.1°C | 1 mm | 31% | 2.3 m/s | 8.1 |
| 1995 | 35.5°C | 26.2°C | 16.9°C | 43.4°C | 11.2°C | 1 mm | 33% | 2.1 m/s | 7.8 |
| 1994 | 36.3°C | 26.8°C | 17.4°C | 40.3°C | 12.0°C | 0 mm | 32% | 2.2 m/s | 7.8 |
| 1993 ❄️ | 32.3°C | 22.9°C | 13.5°C | 38.7°C | 11.1°C | 0 mm | 47% | 2.3 m/s | 7.6 |
| 1992 | 33.7°C | 25.2°C | 16.6°C | 39.5°C | 10.5°C | 7 mm | 41% | 2.3 m/s | 7.2 |
| 1991 | 34.7°C | 25.2°C | 15.7°C | 41.3°C | 11.8°C | 3 mm | 38% | 2.1 m/s | 7.3 |
| 1990 | 36.6°C | 27.2°C | 17.9°C | 40.2°C | 12.8°C | 0 mm | 31% | 2.3 m/s | 8.1 |
| 1989 | 37.6°C | 27.4°C | 17.3°C | 43.5°C | 12.6°C | 0 mm | 26% | 2.3 m/s | 8.1 |
| 1988 | 37.0°C | 27.5°C | 18.1°C | 40.7°C | 12.9°C | 1 mm | 34% | 2.2 m/s | 7 |
| 1987 | 33.1°C | 23.4°C | 13.8°C | 39.2°C | 9.0°C | 2 mm | 35% | 2.4 m/s | 7.5 |
| 1986 | 33.9°C | 24.8°C | 15.7°C | 38.4°C | 12.0°C | 3 mm | 33% | 2.4 m/s | 7.7 |
| 1985 | 37.3°C | 28.1°C | 18.8°C | 42.3°C | 13.2°C | 2 mm | 25% | 2.3 m/s | 7.4 |
| 1984 | 36.5°C | 28.0°C | 19.6°C | 41.5°C | 14.2°C | 15 mm | 33% | 2 m/s | 7.1 |
| 1983 | 33.4°C | 23.8°C | 14.2°C | 39.8°C | 9.9°C | 0 mm | 33% | 2.3 m/s | — |
| 1982 | 34.8°C | 25.4°C | 16.1°C | 41.1°C | 10.1°C | 2 mm | 30% | 2.1 m/s | — |
| 1981 | 36.5°C | 27.1°C | 17.6°C | 39.9°C | 14.4°C | 0 mm | 20% | 2.2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 36°C with lows near 17.5°C (mean 26.8°C), based on 45 years of NASA POWER data.
July averages 3 mm of rainfall in Lancaster, one of the drier months. The wettest on record was 30 mm in 2015.
The hottest July reached 45.2°C in 2024. The coldest dipped to 9°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.6°C. Daytime highs moved from 35.7°C to 37.1°C and overnight lows from 17.3°C to 19°C over the same span.
July is one of the warmer months of the year in Lancaster and one of the drier months, so plan for around 36°C daytime highs and 17.5°C at night.
Not quite — July is the 11th coolest month in Lancaster, averaging 26.8°C.
For July in Lancaster, pack light, breathable clothing and sun protection, with typical highs of 36°C and lows of 17.5°C.
Relative humidity in July averages 33% — relatively dry.
Average wind speed in July is 2.2 m/s. The windiest July on record averaged 2.4 m/s (1986).
The wettest July on record was 2015 with 30 mm. On average, July sees 3 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
