July is one of the warmer months of the year in White Rock, with average highs near 22.1°C and lows around 12.7°C (mean 17.4°C). It is one of the drier months, averaging 37 mm of rainfall and 77% relative humidity across the period.
July is one of the warmer months of the year in White Rock. Across 45 years of records, the warmest July in White Rock was 2018 — when the month averaged 19.6°C — while the coldest was 1986 at 15°C. Typical July days reach 22.1°C with nights near 12.7°C. The long-term trend is warming, about 0.3°C per decade.
July is one of the drier months in White Rock, averaging 37 mm of rainfall. The wettest July on record was 1983 with 130 mm, while the driest was 1985 at 2 mm.
Relative humidity in White Rock during July averages 77%. The most humid July was 2025 at 84%, and the least humid was 1985 at 71%.
July receives about 6.1 kWh/m²/day of solar energy in White Rock. The sunniest July was 2013 at 7.4 kWh/m²/day, and the cloudiest was 1993 at 4.6.
Average wind speed in White Rock during July is 0.4 m/s. The windiest Julys were 2019, 2020 and 2025, among others at 0.5 m/s, while the calmest were 2022, 2023 and 2024, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.6°C | 17.5°C | 17.6°C | 17.7°C | 17.8°C | +1.2°C |
| Avg High | 21.2°C | 22.1°C | 22.3°C | 22.3°C | 22.6°C | +1.4°C |
| Avg Low | 11.9°C | 12.9°C | 12.8°C | 13.0°C | 13.1°C | +1.2°C |
| Avg Rain | 50 mm | 45 mm | 33 mm | 28 mm | 28 mm | -23 mm |
July temperatures in White Rock have risen by about 1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.5°C (2012) to a record high of 37.7°C (1995).
Rainfall in July is one of the drier months, averaging 37 mm, with a wettest year of 130 mm.
One of the best times to visit White Rock
July is one of the best times to visit White Rock. Expect days averaging 22.1°C and nights around 12.7°C (mean 17.4°C) — warmer than White Rock's yearly average — with moderate rainfall (37 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 | 20.4°C | 16.1°C | 11.8°C | 27.6°C | 8.3°C | 37 mm | 84% | 0.5 m/s | 6.7 |
| 2024 | 24.1°C | 18.9°C | 13.8°C | 34.8°C | 10.1°C | 30 mm | 77% | 0.4 m/s | 6.9 |
| 2023 | 23.0°C | 17.9°C | 12.9°C | 30.1°C | 10.7°C | 18 mm | 77% | 0.4 m/s | 6.7 |
| 2022 | 23.4°C | 18.7°C | 14.0°C | 34.4°C | 11.2°C | 32 mm | 78% | 0.4 m/s | 6.1 |
| 2021 | 23.4°C | 18.5°C | 13.6°C | 32.3°C | 9.8°C | 3 mm | 77% | 0.4 m/s | 6.8 |
| 2020 | 21.2°C | 16.8°C | 12.4°C | 33.5°C | 8.7°C | 45 mm | 79% | 0.5 m/s | 5.7 |
| 2019 | 21.4°C | 17.3°C | 13.2°C | 30.3°C | 10.3°C | 49 mm | 79% | 0.5 m/s | 5.4 |
| 2018 🔥 | 24.9°C | 19.6°C | 14.3°C | 36.5°C | 9.0°C | 17 mm | 72% | 0.4 m/s | 6.9 |
| 2017 | 22.1°C | 17.2°C | 12.3°C | 27.7°C | 10.2°C | 7 mm | 77% | 0.5 m/s | 6.9 |
| 2016 | 21.0°C | 17.2°C | 13.4°C | 26.6°C | 11.3°C | 37 mm | 81% | 0.5 m/s | 5.4 |
| 2015 | 24.0°C | 19.2°C | 14.4°C | 34.2°C | 11.0°C | 25 mm | 73% | 0.4 m/s | 6.4 |
| 2014 | 23.7°C | 18.8°C | 13.8°C | 33.8°C | 9.7°C | 41 mm | 76% | 0.4 m/s | 6.5 |
| 2013 | 23.4°C | 18.1°C | 12.9°C | 33.6°C | 9.6°C | 5 mm | 78% | 0.4 m/s | 7.4 |
| 2012 | 21.2°C | 16.7°C | 12.3°C | 26.5°C | 7.5°C | 53 mm | 82% | 0.4 m/s | 5.9 |
| 2011 | 19.5°C | 15.4°C | 11.3°C | 27.2°C | 8.1°C | 44 mm | 80% | 0.4 m/s | 5.1 |
| 2010 | 22.2°C | 17.1°C | 12.0°C | 34.2°C | 8.8°C | 5 mm | 77% | 0.4 m/s | 6.9 |
| 2009 | 24.7°C | 19.4°C | 14.1°C | 35.7°C | 9.6°C | 17 mm | 72% | 0.4 m/s | 6.6 |
| 2008 | 20.8°C | 16.2°C | 11.6°C | 28.7°C | 8.8°C | 26 mm | 79% | 0.4 m/s | 6 |
| 2007 | 22.9°C | 18.2°C | 13.5°C | 34.1°C | 10.2°C | 57 mm | 78% | 0.4 m/s | 5.7 |
| 2006 | 22.4°C | 17.9°C | 13.4°C | 35.7°C | 9.4°C | 20 mm | 76% | 0.4 m/s | 6.1 |
| 2005 | 21.7°C | 17.0°C | 12.3°C | 28.3°C | 9.7°C | 52 mm | 78% | 0.4 m/s | 5.9 |
| 2004 | 24.4°C | 19.2°C | 13.9°C | 37.3°C | 10.9°C | 17 mm | 74% | 0.4 m/s | 6.4 |
| 2003 | 23.2°C | 18.2°C | 13.3°C | 31.0°C | 9.4°C | 18 mm | 74% | 0.4 m/s | 6.7 |
| 2002 | 22.6°C | 17.6°C | 12.6°C | 34.0°C | 8.0°C | 26 mm | 76% | 0.4 m/s | 6 |
| 2001 | 20.3°C | 15.8°C | 11.3°C | 28.5°C | 8.7°C | 32 mm | 79% | 0.4 m/s | 5.9 |
| 2000 | 20.4°C | 16.4°C | 12.3°C | 27.1°C | 8.8°C | 63 mm | 80% | 0.4 m/s | 5.5 |
| 1999 | 20.3°C | 15.8°C | 11.4°C | 27.8°C | 8.2°C | 45 mm | 79% | 0.5 m/s | 6 |
| 1998 | 23.1°C | 18.8°C | 14.5°C | 32.0°C | 11.3°C | 47 mm | 80% | 0.4 m/s | 6.1 |
| 1997 | 21.3°C | 16.9°C | 12.5°C | 30.2°C | 10.3°C | 73 mm | 80% | 0.5 m/s | 5.7 |
| 1996 | 23.5°C | 18.5°C | 13.5°C | 35.5°C | 8.5°C | 33 mm | 74% | 0.5 m/s | 6.6 |
| 1995 | 22.5°C | 17.9°C | 13.3°C | 37.7°C | 9.6°C | 62 mm | 76% | 0.4 m/s | 5.5 |
| 1994 | 23.1°C | 17.9°C | 12.7°C | 33.7°C | 9.6°C | 25 mm | 73% | 0.4 m/s | 6.5 |
| 1993 | 19.0°C | 15.2°C | 11.5°C | 22.6°C | 8.8°C | 63 mm | 82% | 0.5 m/s | 4.6 |
| 1992 | 22.5°C | 18.1°C | 13.7°C | 34.3°C | 11.2°C | 51 mm | 79% | 0.4 m/s | 5.3 |
| 1991 | 21.5°C | 16.8°C | 12.1°C | 33.7°C | 9.1°C | 33 mm | 77% | 0.4 m/s | 5.9 |
| 1990 | 24.4°C | 19.1°C | 13.8°C | 32.1°C | 8.4°C | 18 mm | 74% | 0.4 m/s | 6.4 |
| 1989 | 20.9°C | 16.4°C | 12.0°C | 28.1°C | 9.6°C | 28 mm | 77% | 0.4 m/s | 6 |
| 1988 | 21.3°C | 16.3°C | 11.2°C | 32.3°C | 7.7°C | 51 mm | 76% | 0.4 m/s | 5.9 |
| 1987 | 20.7°C | 16.2°C | 11.8°C | 24.9°C | 8.6°C | 38 mm | 78% | 0.4 m/s | 5.6 |
| 1986 ❄️ | 19.0°C | 15.0°C | 11.1°C | 24.7°C | 8.6°C | 71 mm | 80% | 0.4 m/s | 4.9 |
| 1985 | 24.4°C | 19.0°C | 13.6°C | 31.7°C | 9.6°C | 2 mm | 71% | 0.4 m/s | 6.8 |
| 1984 | 22.0°C | 16.8°C | 11.6°C | 33.5°C | 8.5°C | 13 mm | 76% | 0.4 m/s | 6.2 |
| 1983 🌧️ | 20.5°C | 16.0°C | 11.4°C | 31.7°C | 7.9°C | 130 mm | 77% | 0.5 m/s | — |
| 1982 | 20.7°C | 16.5°C | 12.2°C | 30.0°C | 7.9°C | 69 mm | 78% | 0.4 m/s | — |
| 1981 | 21.2°C | 16.8°C | 12.4°C | 28.2°C | 7.7°C | 52 mm | 79% | 0.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 22.1°C with lows near 12.7°C (mean 17.4°C), based on 45 years of NASA POWER data.
July averages 37 mm of rainfall in White Rock, one of the drier months. The wettest on record was 130 mm in 1983.
The hottest July reached 37.7°C in 1995. The coldest dipped to 7.5°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1°C. Daytime highs moved from 21.8°C to 22.9°C and overnight lows from 12.2°C to 13.2°C over the same span.
July is one of the warmer months of the year in White Rock and one of the drier months, so plan for around 22.1°C daytime highs and 12.7°C at night.
Not quite — July is the 11th coolest month in White Rock, averaging 17.4°C.
For July in White Rock, pack light layers you can adjust through the day, with typical highs of 22.1°C and lows of 12.7°C.
Relative humidity in July averages 77% — quite humid.
Average wind speed in July is 0.4 m/s. The windiest July on record averaged 0.5 m/s (1983).
The wettest July on record was 1983 with 130 mm. On average, July sees 37 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 White Rock 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.
