July is one of the warmer months of the year in St. Clements, with average highs near 25.3°C and lows around 16.4°C (mean 20.9°C). It is a relatively wet time of year, averaging 73 mm of rainfall and 66% relative humidity across the period.
July is one of the warmer months of the year in St. Clements. Across 45 years of records, the warmest July in St. Clements was 2012 — when the month averaged 23.9°C — while the coldest was 1992 at 17.2°C. Typical July days reach 25.3°C with nights near 16.4°C. The long-term July temperature trend is broadly flat.
July is a relatively wet time of year in St. Clements, averaging 73 mm of rainfall. The wettest July on record was 1993 with 194 mm, while the driest was 2021 at 21 mm.
Relative humidity in St. Clements during July averages 66%. The most humid July was 2022 at 76%, and the least humid was 2021 at 56%.
July receives about 5.9 kWh/m²/day of solar energy in St. Clements. The sunniest July was 2011 at 6.5 kWh/m²/day, and the cloudiest was 1993 at 5.2.
Average wind speed in St. Clements during July is 3.5 m/s. The windiest July was 2018 at 4.1 m/s, while the calmest was 1989 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.3°C | 20.2°C | 20.6°C | 21.1°C | 21.4°C | +0.1°C |
| Avg High | 26.0°C | 24.6°C | 24.9°C | 25.4°C | 25.8°C | -0.2°C |
| Avg Low | 16.6°C | 15.7°C | 16.3°C | 16.7°C | 17.1°C | +0.5°C |
| Avg Rain | 71 mm | 81 mm | 74 mm | 75 mm | 59 mm | -11 mm |
July temperatures in St. Clements have stayed relatively stable across the record.
July has ranged from a record low of 8.8°C (1983) to a record high of 35.6°C (1981).
Rainfall in July is a relatively wet time of year, averaging 73 mm, with a wettest year of 194 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit St. Clements
July is one of the best times to visit St. Clements. Expect days averaging 25.3°C and nights around 16.4°C (mean 20.9°C) — warmer than St. Clements's yearly average — with moderate rainfall (73 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 | 25.1°C | 21.0°C | 16.9°C | 31.5°C | 13.7°C | 46 mm | 62% | 3 m/s | 5.4 |
| 2024 | 25.5°C | 21.4°C | 17.3°C | 30.4°C | 11.9°C | 77 mm | 73% | 3.1 m/s | 5.6 |
| 2023 | 24.0°C | 19.4°C | 14.8°C | 31.4°C | 10.8°C | 49 mm | 63% | 3.3 m/s | 5.8 |
| 2022 | 24.0°C | 20.2°C | 16.4°C | 30.0°C | 11.6°C | 98 mm | 76% | 3.5 m/s | 5.9 |
| 2021 | 28.9°C | 23.8°C | 18.7°C | 34.2°C | 12.2°C | 21 mm | 56% | 3.3 m/s | 6 |
| 2020 | 27.1°C | 22.7°C | 18.3°C | 32.7°C | 14.4°C | 66 mm | 64% | 3.8 m/s | 6.1 |
| 2019 | 26.2°C | 21.8°C | 17.3°C | 30.1°C | 13.9°C | 57 mm | 62% | 3.6 m/s | 6.3 |
| 2018 | 26.7°C | 21.7°C | 16.7°C | 34.0°C | 13.2°C | 45 mm | 63% | 4.1 m/s | 6.4 |
| 2017 | 24.9°C | 20.7°C | 16.4°C | 30.1°C | 12.6°C | 73 mm | 69% | 3.5 m/s | 6.3 |
| 2016 | 24.5°C | 20.5°C | 16.6°C | 30.0°C | 12.9°C | 96 mm | 72% | 3.3 m/s | 5.9 |
| 2015 | 25.3°C | 21.0°C | 16.6°C | 30.1°C | 11.0°C | 105 mm | 71% | 3.4 m/s | 5.5 |
| 2014 | 23.1°C | 18.8°C | 14.5°C | 28.1°C | 9.0°C | 41 mm | 72% | 3.8 m/s | 6 |
| 2013 | 24.2°C | 20.1°C | 16.1°C | 29.8°C | 10.7°C | 97 mm | 67% | 3.4 m/s | 6 |
| 2012 🔥 | 28.7°C | 23.9°C | 19.0°C | 34.8°C | 15.4°C | 55 mm | 60% | 3.1 m/s | 6.2 |
| 2011 | 25.9°C | 21.5°C | 17.1°C | 32.0°C | 11.9°C | 64 mm | 68% | 3.7 m/s | 6.5 |
| 2010 | 24.7°C | 20.7°C | 16.8°C | 29.0°C | 14.2°C | 114 mm | 73% | 3.4 m/s | 6 |
| 2009 | 21.0°C | 17.3°C | 13.7°C | 24.7°C | 9.2°C | 101 mm | 72% | 3.9 m/s | 5.7 |
| 2008 | 23.2°C | 19.3°C | 15.4°C | 29.4°C | 12.8°C | 116 mm | 72% | 4 m/s | 5.5 |
| 2007 | 26.0°C | 21.7°C | 17.4°C | 32.7°C | 13.5°C | 77 mm | 70% | 3.5 m/s | 6.2 |
| 2006 | 27.6°C | 22.7°C | 17.7°C | 32.9°C | 11.3°C | 36 mm | 59% | 3.4 m/s | 6.2 |
| 2005 | 24.3°C | 20.2°C | 16.1°C | 30.1°C | 10.5°C | 84 mm | 73% | 3.7 m/s | 6.1 |
| 2004 | 23.8°C | 19.4°C | 15.1°C | 29.3°C | 10.4°C | 67 mm | 69% | 3.1 m/s | 5.6 |
| 2003 | 25.9°C | 21.1°C | 16.4°C | 31.9°C | 11.6°C | 42 mm | 61% | 3.2 m/s | 5.9 |
| 2002 | 27.9°C | 22.9°C | 17.8°C | 35.3°C | 13.2°C | 55 mm | 58% | 3.3 m/s | 6.1 |
| 2001 | 24.9°C | 21.0°C | 17.0°C | 30.2°C | 9.8°C | 103 mm | 70% | 3 m/s | 6 |
| 2000 | 24.7°C | 20.4°C | 16.2°C | 31.0°C | 9.8°C | 59 mm | 68% | 3.3 m/s | 6.1 |
| 1999 | 25.5°C | 20.9°C | 16.3°C | 32.5°C | 11.5°C | 63 mm | 65% | 3.6 m/s | 6 |
| 1998 | 25.1°C | 21.0°C | 16.8°C | 30.5°C | 12.8°C | 41 mm | 63% | 3.5 m/s | 6.4 |
| 1997 | 25.2°C | 20.8°C | 16.3°C | 29.9°C | 9.5°C | 80 mm | 68% | 3.8 m/s | 5.8 |
| 1996 | 25.8°C | 21.1°C | 16.5°C | 31.8°C | 13.0°C | 74 mm | 64% | 3.2 m/s | 5.9 |
| 1995 | 26.2°C | 21.3°C | 16.5°C | 31.9°C | 11.8°C | 53 mm | 59% | 3.7 m/s | 6.1 |
| 1994 | 24.7°C | 20.1°C | 15.6°C | 30.8°C | 11.8°C | 66 mm | 65% | 3.7 m/s | 5.8 |
| 1993 🌧️ | 22.5°C | 18.6°C | 14.7°C | 26.7°C | 11.7°C | 194 mm | 75% | 3.9 m/s | 5.2 |
| 1992 ❄️ | 21.4°C | 17.2°C | 12.9°C | 27.1°C | 10.3°C | 76 mm | 69% | 3.5 m/s | 5.4 |
| 1991 | 24.9°C | 20.7°C | 16.5°C | 30.3°C | 13.2°C | 85 mm | 66% | 3.6 m/s | 5.9 |
| 1990 | 24.9°C | 20.1°C | 15.3°C | 30.4°C | 12.3°C | 74 mm | 64% | 3.5 m/s | 6.2 |
| 1989 | 28.3°C | 23.3°C | 18.3°C | 34.3°C | 13.6°C | 39 mm | 59% | 2.9 m/s | 6.3 |
| 1988 | 27.4°C | 22.3°C | 17.2°C | 33.5°C | 13.5°C | 75 mm | 59% | 3.3 m/s | 6 |
| 1987 | 25.6°C | 21.0°C | 16.4°C | 32.5°C | 12.2°C | 125 mm | 67% | 3.2 m/s | 5.4 |
| 1986 | 24.0°C | 19.9°C | 15.8°C | 29.5°C | 11.8°C | 105 mm | 71% | 3.7 m/s | 5.6 |
| 1985 | 24.3°C | 19.7°C | 15.2°C | 30.2°C | 12.5°C | 26 mm | 62% | 3.3 m/s | 6.3 |
| 1984 | 25.6°C | 20.9°C | 16.2°C | 30.6°C | 9.7°C | 31 mm | 62% | 3.5 m/s | 5.6 |
| 1983 | 26.9°C | 22.3°C | 17.7°C | 32.7°C | 8.8°C | 45 mm | 69% | 3.6 m/s | — |
| 1982 | 24.8°C | 20.5°C | 16.3°C | 27.9°C | 12.6°C | 154 mm | 72% | 3.4 m/s | — |
| 1981 | 26.9°C | 21.6°C | 16.3°C | 35.6°C | 11.4°C | 37 mm | 58% | 3.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 25.3°C with lows near 16.4°C (mean 20.9°C), based on 45 years of NASA POWER data.
July averages 73 mm of rainfall in St. Clements, a relatively wet time of year. The wettest on record was 194 mm in 1993.
The hottest July reached 35.6°C in 1981. The coldest dipped to 8.8°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 16.3°C to 16.8°C while daytime highs eased from 25.7°C to 25.5°C, narrowing the gap between day and night.
July is one of the warmer months of the year in St. Clements and a relatively wet time of year, so plan for around 25.3°C daytime highs and 16.4°C at night.
Not quite — July is the 12th coolest month in St. Clements, averaging 20.9°C.
For July in St. Clements, pack light layers you can adjust through the day, with typical highs of 25.3°C and lows of 16.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 66% — moderately humid.
Average wind speed in July is 3.5 m/s. The windiest July on record averaged 4.1 m/s (2018).
The wettest July on record was 1993 with 194 mm. On average, July sees 73 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 St. Clements 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.
