July is one of the warmer months of the year in Danbury, with average highs near 28.5°C and lows around 17.1°C (mean 22.8°C). It is a relatively wet time of year, averaging 115 mm of rainfall and 74% relative humidity across the period.
July is one of the warmer months of the year in Danbury. Across 45 years of records, the warmest July in Danbury was 2025 — when the month averaged 25.3°C — while the coldest was 2000 at 19.5°C. Typical July days reach 28.5°C with nights near 17.1°C. The long-term trend is warming, about 0.6°C per decade.
July is a relatively wet time of year in Danbury, averaging 115 mm of rainfall. The wettest July on record was 2023 with 238 mm, while the driest was 1993 at 44 mm.
Relative humidity in Danbury during July averages 74%. The most humid July was 1984 at 85%, and the least humid was 1999 at 59%.
July receives about 5.9 kWh/m²/day of solar energy in Danbury. The sunniest July was 2001 at 6.5 kWh/m²/day, and the cloudiest was 2021 at 5.
Average wind speed in Danbury during July is 0.1 m/s. The windiest Julys were 2017, 2018 and 2019, among others at 0.2 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.9°C | 22.6°C | 22.1°C | 23.6°C | 24.3°C | +2.4°C |
| Avg High | 27.7°C | 28.5°C | 27.8°C | 29.2°C | 29.9°C | +2.2°C |
| Avg Low | 16.1°C | 16.7°C | 16.5°C | 18.0°C | 18.8°C | +2.7°C |
| Avg Rain | 123 mm | 99 mm | 112 mm | 111 mm | 142 mm | +20 mm |
July temperatures in Danbury have risen by about 2.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7°C (1988) to a record high of 38.5°C (2025).
Rainfall in July is a relatively wet time of year, averaging 115 mm, with a wettest year of 238 mm.
One of the best times to visit Danbury
July is one of the best times to visit Danbury. Expect days averaging 28.5°C and nights around 17.1°C (mean 22.8°C) — warmer than Danbury's yearly average — with higher rainfall (115 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 🔥 | 31.2°C | 25.3°C | 19.4°C | 38.5°C | 13.5°C | 120 mm | 72% | 0.1 m/s | 6.1 |
| 2024 | 30.0°C | 24.6°C | 19.2°C | 33.7°C | 14.1°C | 113 mm | 76% | 0.1 m/s | 5.9 |
| 2023 🌧️ | 28.9°C | 23.8°C | 18.6°C | 34.6°C | 13.7°C | 238 mm | 82% | 0.1 m/s | 5.7 |
| 2022 | 31.0°C | 24.8°C | 18.6°C | 36.9°C | 13.3°C | 63 mm | 65% | 0.1 m/s | 6.4 |
| 2021 | 27.2°C | 22.4°C | 17.5°C | 31.4°C | 10.3°C | 213 mm | 83% | 0.1 m/s | 5 |
| 2020 | 30.9°C | 25.2°C | 19.6°C | 35.6°C | 16.3°C | 106 mm | 73% | 0.1 m/s | 6.2 |
| 2019 | 29.6°C | 24.2°C | 18.8°C | 33.6°C | 15.2°C | 107 mm | 77% | 0.2 m/s | 6.4 |
| 2018 | 29.6°C | 23.9°C | 18.2°C | 37.5°C | 12.7°C | 165 mm | 74% | 0.2 m/s | 6.4 |
| 2017 | 27.6°C | 22.3°C | 17.1°C | 33.0°C | 12.6°C | 99 mm | 77% | 0.2 m/s | 5.8 |
| 2016 | 30.7°C | 24.4°C | 18.1°C | 35.2°C | 13.3°C | 128 mm | 67% | 0.2 m/s | 6.2 |
| 2015 | 28.8°C | 23.0°C | 17.1°C | 34.6°C | 12.9°C | 80 mm | 72% | 0.2 m/s | 6.1 |
| 2014 | 26.9°C | 21.8°C | 16.8°C | 30.7°C | 11.9°C | 144 mm | 77% | 0.1 m/s | 6.1 |
| 2013 | 28.2°C | 23.7°C | 19.3°C | 33.6°C | 14.0°C | 95 mm | 82% | 0.1 m/s | 5.9 |
| 2012 | 30.6°C | 24.6°C | 18.6°C | 35.8°C | 15.1°C | 116 mm | 69% | 0.1 m/s | 6 |
| 2011 | 28.2°C | 23.0°C | 17.8°C | 34.5°C | 11.9°C | 80 mm | 79% | 0.2 m/s | 6.3 |
| 2010 | 31.3°C | 24.9°C | 18.5°C | 38.1°C | 11.3°C | 92 mm | 65% | 0.1 m/s | 6.3 |
| 2009 | 25.0°C | 20.1°C | 15.2°C | 28.7°C | 10.5°C | 177 mm | 82% | 0.2 m/s | 5.8 |
| 2008 | 29.0°C | 23.4°C | 17.9°C | 34.3°C | 13.9°C | 132 mm | 74% | 0.2 m/s | 6 |
| 2007 | 27.7°C | 22.1°C | 16.5°C | 35.0°C | 9.6°C | 140 mm | 74% | 0.2 m/s | 6 |
| 2006 | 28.2°C | 23.2°C | 18.2°C | 32.3°C | 13.4°C | 84 mm | 82% | 0.1 m/s | 5.9 |
| 2005 | 29.5°C | 23.6°C | 17.6°C | 35.7°C | 12.9°C | 100 mm | 73% | 0.1 m/s | 5.8 |
| 2004 | 27.4°C | 22.1°C | 16.8°C | 31.5°C | 13.9°C | 149 mm | 77% | 0.2 m/s | 5.2 |
| 2003 | 27.1°C | 21.9°C | 16.8°C | 29.8°C | 12.7°C | 82 mm | 81% | 0.2 m/s | 5.9 |
| 2002 | 31.0°C | 24.2°C | 17.5°C | 36.4°C | 11.5°C | 47 mm | 62% | 0.1 m/s | 6.3 |
| 2001 | 27.9°C | 21.2°C | 14.5°C | 36.4°C | 9.9°C | 51 mm | 64% | 0.2 m/s | 6.5 |
| 2000 ❄️ | 24.7°C | 19.5°C | 14.4°C | 28.3°C | 10.8°C | 155 mm | 79% | 0.2 m/s | 5.3 |
| 1999 | 32.1°C | 25.2°C | 18.3°C | 37.7°C | 12.0°C | 46 mm | 59% | 0.2 m/s | 6.1 |
| 1998 | 26.5°C | 21.1°C | 15.8°C | 30.2°C | 12.1°C | 45 mm | 78% | 0.2 m/s | 6.1 |
| 1997 | 29.1°C | 22.3°C | 15.5°C | 36.0°C | 10.5°C | 105 mm | 66% | 0.1 m/s | 6.3 |
| 1996 | 25.1°C | 20.4°C | 15.6°C | 30.5°C | 11.0°C | 212 mm | 83% | 0.2 m/s | 5.4 |
| 1995 | 30.6°C | 24.3°C | 18.0°C | 36.8°C | 10.3°C | 109 mm | 68% | 0.1 m/s | 5.6 |
| 1994 | 28.7°C | 23.5°C | 18.3°C | 32.7°C | 12.9°C | 116 mm | 78% | 0.1 m/s | 5.7 |
| 1993 | 30.3°C | 23.7°C | 17.1°C | 36.5°C | 13.6°C | 44 mm | 64% | 0.1 m/s | 6 |
| 1992 | 25.7°C | 20.4°C | 15.0°C | 30.8°C | 11.0°C | 151 mm | 80% | 0.1 m/s | 6.2 |
| 1991 | 29.7°C | 23.3°C | 16.8°C | 37.1°C | 12.2°C | 77 mm | 63% | 0.1 m/s | 5.6 |
| 1990 | 26.7°C | 21.6°C | 16.4°C | 29.6°C | 11.2°C | 86 mm | 80% | 0.1 m/s | 5.5 |
| 1989 | 26.1°C | 21.0°C | 15.9°C | 31.9°C | 12.3°C | 90 mm | 82% | 0.2 m/s | 5.5 |
| 1988 | 30.5°C | 24.3°C | 18.1°C | 36.7°C | 7.0°C | 188 mm | 71% | 0.1 m/s | 5.4 |
| 1987 | 28.8°C | 22.9°C | 17.1°C | 34.3°C | 11.6°C | 101 mm | 75% | 0.1 m/s | 5.9 |
| 1986 | 27.4°C | 21.6°C | 15.8°C | 32.0°C | 8.0°C | 160 mm | 77% | 0.2 m/s | 5.8 |
| 1985 | 28.2°C | 21.9°C | 15.5°C | 32.0°C | 10.5°C | 144 mm | 70% | 0.1 m/s | 6.2 |
| 1984 | 24.8°C | 20.1°C | 15.4°C | 28.8°C | 10.1°C | 170 mm | 85% | 0.1 m/s | 5.6 |
| 1983 | 27.2°C | 21.5°C | 15.8°C | 30.9°C | 9.6°C | 59 mm | 79% | 0.1 m/s | — |
| 1982 | 27.2°C | 21.2°C | 15.1°C | 32.6°C | 7.2°C | 84 mm | 76% | 0.1 m/s | — |
| 1981 | 28.8°C | 22.6°C | 16.3°C | 34.2°C | 11.7°C | 110 mm | 68% | 0.2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 28.5°C with lows near 17.1°C (mean 22.8°C), based on 45 years of NASA POWER data.
July averages 115 mm of rainfall in Danbury, a relatively wet time of year. The wettest on record was 238 mm in 2023.
The hottest July reached 38.5°C in 2025. The coldest dipped to 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 2.7°C. Daytime highs moved from 27.2°C to 29.7°C and overnight lows from 15.6°C to 18.7°C over the same span.
July is one of the warmer months of the year in Danbury and a relatively wet time of year, so plan for around 28.5°C daytime highs and 17.1°C at night.
Not quite — July is the 12th coolest month in Danbury, averaging 22.8°C.
For July in Danbury, pack light layers you can adjust through the day, with typical highs of 28.5°C and lows of 17.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 74% — moderately humid.
Average wind speed in July is 0.1 m/s. The windiest July on record averaged 0.2 m/s (1981).
The wettest July on record was 2023 with 238 mm. On average, July sees 115 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 Danbury 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.
