July is one of the warmer months of the year in Meriden, with average highs near 28°C and lows around 17.9°C (mean 23°C). It is about average for rainfall, averaging 99 mm of rainfall and 75% relative humidity across the period.
July is one of the warmer months of the year in Meriden. Across 45 years of records, the warmest July in Meriden was 1999 — when the month averaged 25.2°C — while the coldest was 2009 at 20.4°C. Typical July days reach 28°C with nights near 17.9°C. The long-term trend is warming, about 0.6°C per decade.
July is about average for rainfall in Meriden, averaging 99 mm of rainfall. The wettest July on record was 2009 with 238 mm, while the driest was 1987 at 40 mm.
Relative humidity in Meriden during July averages 75%. The most humid July was 1984 at 85%, and the least humid was 1999 at 62%.
July receives about 5.9 kWh/m²/day of solar energy in Meriden. The sunniest Julys were 2018, 2019 and 2022 at 6.5 kWh/m²/day, and the cloudiest was 2021 at 5.
Average wind speed in Meriden during July is 0.4 m/s. The windiest Julys were 2023, 2024 and 2025, among others at 0.4 m/s, while the calmest were 1988, 1994 and 1995, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.0°C | 22.8°C | 22.4°C | 23.9°C | 24.2°C | +2.2°C |
| Avg High | 27.1°C | 28.1°C | 27.4°C | 28.9°C | 28.9°C | +1.8°C |
| Avg Low | 16.9°C | 17.4°C | 17.4°C | 18.9°C | 19.4°C | +2.5°C |
| Avg Rain | 108 mm | 77 mm | 97 mm | 92 mm | 139 mm | +31 mm |
July temperatures in Meriden have risen by about 2.3°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.7°C (1988) to a record high of 37.8°C (2010).
Rainfall in July is about average for rainfall, averaging 99 mm, with a wettest year of 238 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.7°C per decade, narrowing the gap between day and night.
One of the best times to visit Meriden
July is one of the best times to visit Meriden. Expect days averaging 28°C and nights around 17.9°C (mean 23°C) — warmer than Meriden's yearly average — with higher rainfall (99 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 | 30.1°C | 24.8°C | 19.6°C | 37.5°C | 14.1°C | 101 mm | 75% | 0.4 m/s | 6 |
| 2024 | 28.0°C | 23.9°C | 19.7°C | 34.1°C | 14.9°C | 131 mm | 82% | 0.4 m/s | 5.7 |
| 2023 | 28.2°C | 24.0°C | 19.7°C | 31.8°C | 14.3°C | 238 mm | 83% | 0.4 m/s | 5.8 |
| 2022 | 30.2°C | 24.8°C | 19.5°C | 35.6°C | 15.4°C | 60 mm | 69% | 0.4 m/s | 6.5 |
| 2021 | 26.5°C | 22.3°C | 18.0°C | 30.1°C | 11.6°C | 216 mm | 83% | 0.4 m/s | 5 |
| 2020 | 30.3°C | 25.1°C | 20.0°C | 34.4°C | 16.2°C | 85 mm | 74% | 0.4 m/s | 6.1 |
| 2019 | 29.4°C | 24.5°C | 19.6°C | 33.7°C | 16.1°C | 108 mm | 77% | 0.4 m/s | 6.5 |
| 2018 | 28.7°C | 23.8°C | 18.8°C | 37.5°C | 13.5°C | 136 mm | 77% | 0.4 m/s | 6.5 |
| 2017 | 27.1°C | 22.3°C | 17.5°C | 32.0°C | 13.1°C | 96 mm | 77% | 0.4 m/s | 5.7 |
| 2016 | 30.2°C | 24.5°C | 18.7°C | 34.5°C | 14.2°C | 80 mm | 68% | 0.4 m/s | 6.3 |
| 2015 | 28.5°C | 23.3°C | 18.1°C | 34.3°C | 14.7°C | 65 mm | 73% | 0.4 m/s | 6 |
| 2014 | 27.1°C | 22.6°C | 18.0°C | 30.7°C | 14.2°C | 96 mm | 75% | 0.4 m/s | 6.1 |
| 2013 | 28.5°C | 24.5°C | 20.4°C | 33.5°C | 15.6°C | 83 mm | 81% | 0.4 m/s | 5.7 |
| 2012 | 30.0°C | 24.7°C | 19.3°C | 35.4°C | 15.5°C | 90 mm | 69% | 0.4 m/s | 6 |
| 2011 | 28.9°C | 23.9°C | 18.8°C | 36.4°C | 13.2°C | 75 mm | 75% | 0.4 m/s | 6.3 |
| 2010 | 30.3°C | 24.8°C | 19.4°C | 37.8°C | 12.5°C | 87 mm | 70% | 0.4 m/s | 6.2 |
| 2009 ❄️ 🌧️ | 24.5°C | 20.4°C | 16.2°C | 27.8°C | 11.5°C | 238 mm | 84% | 0.4 m/s | 5.7 |
| 2008 | 28.7°C | 23.8°C | 18.9°C | 33.7°C | 15.4°C | 130 mm | 76% | 0.4 m/s | 6 |
| 2007 | 27.5°C | 22.5°C | 17.5°C | 32.5°C | 11.1°C | 78 mm | 74% | 0.4 m/s | 6 |
| 2006 | 27.3°C | 23.1°C | 18.8°C | 31.6°C | 14.6°C | 85 mm | 84% | 0.4 m/s | 5.8 |
| 2005 | 28.8°C | 23.5°C | 18.1°C | 34.4°C | 13.6°C | 70 mm | 74% | 0.4 m/s | 5.7 |
| 2004 | 27.3°C | 22.4°C | 17.4°C | 32.1°C | 14.8°C | 95 mm | 75% | 0.4 m/s | 5.4 |
| 2003 | 26.6°C | 22.1°C | 17.7°C | 29.4°C | 14.3°C | 73 mm | 81% | 0.4 m/s | 5.8 |
| 2002 | 30.5°C | 24.3°C | 18.2°C | 37.1°C | 12.4°C | 41 mm | 63% | 0.4 m/s | 6.4 |
| 2001 | 26.9°C | 21.0°C | 15.2°C | 34.9°C | 10.4°C | 50 mm | 68% | 0.4 m/s | 6.4 |
| 2000 | 25.6°C | 20.6°C | 15.6°C | 28.7°C | 12.0°C | 105 mm | 75% | 0.4 m/s | 5.5 |
| 1999 🔥 | 31.4°C | 25.2°C | 19.0°C | 36.4°C | 13.6°C | 41 mm | 62% | 0.4 m/s | 6.2 |
| 1998 | 26.2°C | 21.5°C | 16.9°C | 30.3°C | 13.1°C | 41 mm | 79% | 0.4 m/s | 6.1 |
| 1997 | 28.7°C | 22.7°C | 16.7°C | 35.3°C | 12.0°C | 69 mm | 66% | 0.4 m/s | 6.3 |
| 1996 | 25.2°C | 20.8°C | 16.3°C | 28.9°C | 12.2°C | 165 mm | 80% | 0.4 m/s | 5.5 |
| 1995 | 29.5°C | 23.9°C | 18.2°C | 34.8°C | 11.6°C | 60 mm | 70% | 0.3 m/s | 5.7 |
| 1994 | 29.9°C | 24.7°C | 19.4°C | 34.2°C | 14.8°C | 60 mm | 73% | 0.3 m/s | 5.9 |
| 1993 | 29.2°C | 23.4°C | 17.6°C | 35.2°C | 13.9°C | 70 mm | 66% | 0.4 m/s | 6.1 |
| 1992 | 25.8°C | 20.6°C | 15.4°C | 29.1°C | 11.0°C | 112 mm | 77% | 0.4 m/s | 6.1 |
| 1991 | 28.9°C | 23.2°C | 17.4°C | 36.7°C | 12.3°C | 67 mm | 66% | 0.4 m/s | 5.6 |
| 1990 | 26.2°C | 21.7°C | 17.1°C | 30.0°C | 12.0°C | 88 mm | 80% | 0.4 m/s | 5.6 |
| 1989 | 25.4°C | 20.9°C | 16.5°C | 31.3°C | 13.3°C | 141 mm | 83% | 0.4 m/s | 5.6 |
| 1988 | 29.2°C | 23.7°C | 18.2°C | 35.4°C | 7.7°C | 164 mm | 76% | 0.3 m/s | 5.4 |
| 1987 | 28.8°C | 23.2°C | 17.6°C | 33.9°C | 12.9°C | 40 mm | 73% | 0.3 m/s | 5.6 |
| 1986 | 26.8°C | 21.7°C | 16.7°C | 32.4°C | 9.7°C | 137 mm | 76% | 0.4 m/s | 5.7 |
| 1985 | 27.6°C | 22.1°C | 16.5°C | 31.5°C | 11.4°C | 125 mm | 72% | 0.4 m/s | 6.4 |
| 1984 | 24.6°C | 20.5°C | 16.3°C | 30.7°C | 11.8°C | 163 mm | 85% | 0.4 m/s | 5.8 |
| 1983 | 26.7°C | 21.6°C | 16.5°C | 30.5°C | 10.6°C | 48 mm | 78% | 0.4 m/s | — |
| 1982 | 26.2°C | 21.0°C | 15.9°C | 30.3°C | 8.5°C | 60 mm | 78% | 0.3 m/s | — |
| 1981 | 28.7°C | 23.1°C | 17.6°C | 33.3°C | 12.8°C | 91 mm | 69% | 0.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 28°C with lows near 17.9°C (mean 23°C), based on 45 years of NASA POWER data.
July averages 99 mm of rainfall in Meriden, about average for rainfall. The wettest on record was 238 mm in 2009.
The hottest July reached 37.8°C in 2010. The coldest dipped to 7.7°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.3°C. Daytime highs moved from 26.8°C to 28.6°C and overnight lows from 16.6°C to 19.3°C over the same span.
July is one of the warmer months of the year in Meriden and about average for rainfall, so plan for around 28°C daytime highs and 17.9°C at night.
Not quite — July is the 12th coolest month in Meriden, averaging 23°C.
For July in Meriden, pack light layers you can adjust through the day, with typical highs of 28°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 75% — moderately humid.
Average wind speed in July is 0.4 m/s. The windiest July on record averaged 0.4 m/s (1981).
The wettest July on record was 2009 with 238 mm. On average, July sees 99 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 Meriden 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.
