July is one of the warmer months of the year in Redding, with average highs near 37.1°C and lows around 18.3°C (mean 27.7°C). It is one of the drier months, averaging 4 mm of rainfall and 29% relative humidity across the period.
July is one of the warmer months of the year in Redding. Across 45 years of records, the warmest July in Redding was 2024 — when the month averaged 32.1°C — while the coldest was 1983 at 23.5°C. Typical July days reach 37.1°C with nights near 18.3°C. The long-term trend is warming, about 0.9°C per decade.
July is one of the drier months in Redding, averaging 4 mm of rainfall. The wettest July on record was 2007 with 23 mm, while the driest were 2017, 2019 and 2023, among others at 0 mm.
Relative humidity in Redding during July averages 29%. The most humid July was 1998 at 50%, and the least humid was 2021 at 17%.
July receives about 8.1 kWh/m²/day of solar energy in Redding. The sunniest July was 2017 at 8.6 kWh/m²/day, and the cloudiest was 2015 at 7.6.
Average wind speed in Redding during July is 0.8 m/s. The windiest Julys were 2022, 2024 and 2025, among others at 0.9 m/s, while the calmest was 1998 at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.3°C | 26.5°C | 28.2°C | 28.3°C | 30.0°C | +3.7°C |
| Avg High | 36.1°C | 35.8°C | 37.5°C | 37.6°C | 39.5°C | +3.4°C |
| Avg Low | 16.6°C | 17.1°C | 18.9°C | 19.0°C | 20.6°C | +4°C |
| Avg Rain | 5 mm | 6 mm | 5 mm | 2 mm | 2 mm | -2 mm |
July temperatures in Redding have risen by about 3.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.8°C (1983) to a record high of 48°C (2024).
Rainfall in July is one of the drier months, averaging 4 mm, with a wettest year of 23 mm.
One of the best times to visit Redding
July is one of the best times to visit Redding. Expect days averaging 37.1°C and nights around 18.3°C (mean 27.7°C) — warmer than Redding's yearly average — with low rainfall (4 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 | 37.6°C | 28.8°C | 20.1°C | 43.5°C | 15.0°C | 9 mm | 25% | 0.9 m/s | 8.1 |
| 2024 🔥 | 41.9°C | 32.1°C | 22.3°C | 48.0°C | 17.6°C | 1 mm | 17% | 0.9 m/s | 8.2 |
| 2023 | 39.9°C | 30.0°C | 20.0°C | 46.1°C | 17.3°C | 0 mm | 22% | 0.8 m/s | 8.5 |
| 2022 | 38.6°C | 29.4°C | 20.2°C | 46.7°C | 14.6°C | 1 mm | 22% | 0.9 m/s | 8 |
| 2021 | 40.3°C | 31.1°C | 22.0°C | 45.8°C | 17.5°C | 1 mm | 17% | 0.9 m/s | 8 |
| 2020 | 38.6°C | 28.8°C | 19.1°C | 42.9°C | 13.6°C | 2 mm | 23% | 0.8 m/s | 8.4 |
| 2019 | 36.8°C | 27.4°C | 18.1°C | 42.0°C | 13.0°C | 0 mm | 28% | 0.8 m/s | 8.3 |
| 2018 | 39.7°C | 30.4°C | 21.1°C | 44.1°C | 14.7°C | 1 mm | 21% | 0.8 m/s | 7.9 |
| 2017 | 39.5°C | 29.7°C | 19.8°C | 43.1°C | 16.7°C | 0 mm | 21% | 0.9 m/s | 8.6 |
| 2016 | 37.5°C | 27.7°C | 17.9°C | 43.7°C | 11.3°C | 0 mm | 26% | 0.9 m/s | 8.4 |
| 2015 | 36.6°C | 28.2°C | 19.8°C | 43.8°C | 15.5°C | 12 mm | 28% | 0.9 m/s | 7.6 |
| 2014 | 39.3°C | 30.2°C | 21.2°C | 43.4°C | 13.8°C | 2 mm | 22% | 0.9 m/s | 7.8 |
| 2013 | 38.6°C | 29.3°C | 19.9°C | 44.8°C | 15.3°C | 1 mm | 24% | 0.8 m/s | 8.2 |
| 2012 | 36.2°C | 26.9°C | 17.5°C | 41.4°C | 13.1°C | 2 mm | 29% | 0.9 m/s | 8.3 |
| 2011 | 34.3°C | 25.5°C | 16.6°C | 40.7°C | 12.0°C | 2 mm | 42% | 0.8 m/s | 8.1 |
| 2010 | 37.8°C | 28.1°C | 18.5°C | 42.9°C | 11.3°C | 1 mm | 32% | 0.8 m/s | 8.5 |
| 2009 | 38.0°C | 28.4°C | 18.9°C | 44.1°C | 12.2°C | 0 mm | 25% | 0.8 m/s | 8.5 |
| 2008 | 37.9°C | 28.3°C | 18.7°C | 44.9°C | 15.4°C | 0 mm | 26% | 0.8 m/s | 7.9 |
| 2007 🌧️ | 36.5°C | 27.6°C | 18.7°C | 43.7°C | 14.4°C | 23 mm | 33% | 0.8 m/s | 8 |
| 2006 | 38.7°C | 29.5°C | 20.3°C | 44.7°C | 15.5°C | 1 mm | 28% | 0.9 m/s | 8.2 |
| 2005 | 38.0°C | 28.4°C | 18.9°C | 43.7°C | 14.5°C | 0 mm | 40% | 0.8 m/s | 8.3 |
| 2004 | 37.1°C | 28.3°C | 19.6°C | 42.3°C | 15.0°C | 2 mm | 27% | 0.9 m/s | 8.3 |
| 2003 | 39.4°C | 29.3°C | 19.2°C | 46.4°C | 11.7°C | 1 mm | 29% | 0.8 m/s | 8.2 |
| 2002 | 39.1°C | 29.5°C | 19.9°C | 47.5°C | 13.0°C | 1 mm | 23% | 0.8 m/s | 8.2 |
| 2001 | 36.1°C | 27.0°C | 18.0°C | 42.9°C | 14.1°C | 2 mm | 30% | 0.8 m/s | 8.2 |
| 2000 | 34.5°C | 25.6°C | 16.6°C | 42.6°C | 11.3°C | 17 mm | 32% | 0.8 m/s | 8 |
| 1999 | 34.9°C | 25.3°C | 15.8°C | 44.7°C | 10.8°C | 10 mm | 27% | 0.9 m/s | 8.5 |
| 1998 | 34.2°C | 25.9°C | 17.6°C | 40.8°C | 14.1°C | 8 mm | 50% | 0.7 m/s | 8.4 |
| 1997 | 36.2°C | 26.8°C | 17.3°C | 39.9°C | 10.4°C | 7 mm | 30% | 0.8 m/s | 8.2 |
| 1996 | 38.5°C | 28.9°C | 19.3°C | 41.6°C | 11.1°C | 8 mm | 30% | 0.8 m/s | 8 |
| 1995 | 33.6°C | 24.9°C | 16.2°C | 40.1°C | 11.6°C | 6 mm | 44% | 0.8 m/s | 7.7 |
| 1994 | 38.4°C | 28.4°C | 18.4°C | 42.1°C | 14.4°C | 4 mm | 22% | 0.8 m/s | 8.3 |
| 1993 | 33.9°C | 23.7°C | 13.5°C | 40.8°C | 11.1°C | 1 mm | 39% | 0.9 m/s | 8.3 |
| 1992 | 34.3°C | 25.2°C | 16.2°C | 40.8°C | 11.2°C | 3 mm | 39% | 0.8 m/s | 7.9 |
| 1991 | 37.6°C | 27.9°C | 18.1°C | 42.9°C | 15.0°C | 7 mm | 31% | 0.8 m/s | 7.8 |
| 1990 | 36.7°C | 27.5°C | 18.3°C | 43.0°C | 12.0°C | 8 mm | 34% | 0.8 m/s | 8 |
| 1989 | 35.8°C | 25.6°C | 15.4°C | 40.7°C | 9.4°C | 0 mm | 28% | 0.9 m/s | 8.3 |
| 1988 | 39.4°C | 29.1°C | 18.8°C | 47.0°C | 10.3°C | 2 mm | 27% | 0.9 m/s | 7.7 |
| 1987 | 33.4°C | 24.3°C | 15.2°C | 44.5°C | 10.4°C | 10 mm | 30% | 0.9 m/s | 7.7 |
| 1986 | 35.4°C | 25.8°C | 16.3°C | 41.6°C | 12.0°C | 0 mm | 25% | 0.9 m/s | 8.1 |
| 1985 | 37.4°C | 28.2°C | 18.9°C | 42.1°C | 13.7°C | 11 mm | 23% | 0.9 m/s | 7.8 |
| 1984 | 38.6°C | 28.4°C | 18.3°C | 44.1°C | 13.2°C | 2 mm | 24% | 0.8 m/s | 7.9 |
| 1983 ❄️ | 32.7°C | 23.5°C | 14.2°C | 41.1°C | 7.8°C | 7 mm | 38% | 0.9 m/s | — |
| 1982 | 34.5°C | 25.1°C | 15.7°C | 41.3°C | 7.9°C | 8 mm | 37% | 0.8 m/s | — |
| 1981 | 37.3°C | 27.1°C | 16.9°C | 41.0°C | 9.5°C | 1 mm | 22% | 0.8 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 37.1°C with lows near 18.3°C (mean 27.7°C), based on 45 years of NASA POWER data.
July averages 4 mm of rainfall in Redding, one of the drier months. The wettest on record was 23 mm in 2007.
The hottest July reached 48°C in 2024. The coldest dipped to 7.8°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 3.8°C. Daytime highs moved from 36.1°C to 39.7°C and overnight lows from 16.8°C to 20.9°C over the same span.
July is one of the warmer months of the year in Redding and one of the drier months, so plan for around 37.1°C daytime highs and 18.3°C at night.
Not quite — July is the 12th coolest month in Redding, averaging 27.7°C.
For July in Redding, pack light, breathable clothing and sun protection, with typical highs of 37.1°C and lows of 18.3°C.
Relative humidity in July averages 29% — relatively dry.
Average wind speed in July is 0.8 m/s. The windiest July on record averaged 0.9 m/s (1983).
The wettest July on record was 2007 with 23 mm. On average, July sees 4 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 Redding 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.
