June is one of the warmer months of the year in Danbury, with average highs near 24.8°C and lows around 13.8°C (mean 19.3°C). It is about average for rainfall, averaging 107 mm of rainfall and 78% relative humidity across the period.
June is one of the warmer months of the year in Danbury. Across 45 years of records, the warmest June in Danbury was 2005 — when the month averaged 21.5°C — while the coldest was 1982 at 16.8°C. Typical June days reach 24.8°C with nights near 13.8°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in Danbury, averaging 107 mm of rainfall. The wettest June on record was 2013 with 245 mm, while the driest was 1988 at 21 mm.
Relative humidity in Danbury during June averages 78%. The most humid June was 1989 at 85%, and the least humid was 1999 at 65%.
June receives about 5.9 kWh/m²/day of solar energy in Danbury. The sunniest June was 1988 at 6.9 kWh/m²/day, and the cloudiest were 2003 and 2009 at 4.9.
Average wind speed in Danbury during June is 0.1 m/s. The windiest Junes were 2022, 2023 and 2024, among others at 0.2 m/s, while the calmest were 2020, 2021 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 | 18.4°C | 19.2°C | 19.5°C | 19.5°C | 20.2°C | +1.8°C |
| Avg High | 24.0°C | 25.0°C | 24.9°C | 24.9°C | 25.8°C | +1.8°C |
| Avg Low | 12.8°C | 13.4°C | 14.1°C | 14.1°C | 14.7°C | +1.9°C |
| Avg Rain | 108 mm | 89 mm | 133 mm | 121 mm | 71 mm | -37 mm |
June temperatures in Danbury have risen by about 2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 3.2°C (1986) to a record high of 35.9°C (2021).
Rainfall in June is about average for rainfall, averaging 107 mm, with a wettest year of 245 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Danbury
June is one of the best times to visit Danbury. Expect days averaging 24.8°C and nights around 13.8°C (mean 19.3°C) — warmer than Danbury's yearly average — with higher rainfall (107 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 | 26.0°C | 20.8°C | 15.6°C | 34.7°C | 6.4°C | 64 mm | 80% | 0.1 m/s | 5.6 |
| 2024 | 26.8°C | 21.1°C | 15.5°C | 35.0°C | 9.6°C | 89 mm | 78% | 0.2 m/s | 6.4 |
| 2023 | 24.1°C | 18.8°C | 13.4°C | 31.4°C | 7.2°C | 85 mm | 78% | 0.2 m/s | 5.2 |
| 2022 | 25.0°C | 19.3°C | 13.7°C | 32.7°C | 7.9°C | 78 mm | 74% | 0.2 m/s | 6.2 |
| 2021 | 26.8°C | 21.0°C | 15.2°C | 35.9°C | 8.4°C | 56 mm | 77% | 0.1 m/s | 6.4 |
| 2020 | 26.2°C | 20.4°C | 14.5°C | 32.5°C | 4.9°C | 57 mm | 76% | 0.1 m/s | 6.6 |
| 2019 | 24.4°C | 19.2°C | 13.9°C | 32.0°C | 5.7°C | 122 mm | 80% | 0.1 m/s | 6 |
| 2018 | 24.5°C | 19.2°C | 13.8°C | 33.2°C | 8.7°C | 93 mm | 78% | 0.1 m/s | 6.1 |
| 2017 | 24.3°C | 19.1°C | 13.8°C | 30.3°C | 7.7°C | 95 mm | 80% | 0.2 m/s | 6 |
| 2016 | 26.4°C | 20.0°C | 13.7°C | 31.5°C | 8.2°C | 58 mm | 68% | 0.2 m/s | 6.8 |
| 2015 | 24.3°C | 19.1°C | 13.9°C | 28.6°C | 6.4°C | 162 mm | 80% | 0.1 m/s | 5.4 |
| 2014 | 25.0°C | 19.6°C | 14.2°C | 29.9°C | 8.8°C | 102 mm | 79% | 0.1 m/s | 6.4 |
| 2013 🌧️ | 24.6°C | 19.7°C | 14.8°C | 29.9°C | 8.5°C | 245 mm | 82% | 0.2 m/s | 5.9 |
| 2012 | 24.7°C | 19.0°C | 13.3°C | 32.5°C | 7.9°C | 98 mm | 77% | 0.2 m/s | 6.1 |
| 2011 | 24.4°C | 19.4°C | 14.5°C | 29.5°C | 7.8°C | 157 mm | 82% | 0.1 m/s | 5.8 |
| 2010 | 26.4°C | 20.8°C | 15.1°C | 31.7°C | 8.6°C | 75 mm | 76% | 0.1 m/s | 5.9 |
| 2009 | 23.0°C | 18.4°C | 13.8°C | 27.1°C | 3.5°C | 206 mm | 84% | 0.1 m/s | 4.9 |
| 2008 | 25.8°C | 20.5°C | 15.3°C | 34.9°C | 10.0°C | 99 mm | 81% | 0.1 m/s | 6 |
| 2007 | 25.3°C | 19.5°C | 13.7°C | 32.9°C | 7.2°C | 90 mm | 78% | 0.1 m/s | 6.2 |
| 2006 | 23.8°C | 19.3°C | 14.7°C | 30.4°C | 8.0°C | 209 mm | 84% | 0.1 m/s | 5.1 |
| 2005 🔥 | 27.0°C | 21.5°C | 15.9°C | 34.7°C | 9.4°C | 86 mm | 79% | 0.1 m/s | 6 |
| 2004 | 24.2°C | 18.7°C | 13.1°C | 30.2°C | 7.8°C | 64 mm | 78% | 0.1 m/s | 6 |
| 2003 | 23.6°C | 18.5°C | 13.3°C | 35.0°C | 6.8°C | 163 mm | 84% | 0.1 m/s | 4.9 |
| 2002 | 25.5°C | 19.5°C | 13.6°C | 33.0°C | 8.2°C | 115 mm | 76% | 0.1 m/s | 6.2 |
| 2001 | 26.0°C | 20.2°C | 14.4°C | 32.1°C | 4.2°C | 137 mm | 76% | 0.2 m/s | 6.2 |
| 2000 | 24.3°C | 18.8°C | 13.4°C | 29.6°C | 3.9°C | 163 mm | 82% | 0.1 m/s | 5.3 |
| 1999 | 27.9°C | 21.2°C | 14.4°C | 34.4°C | 9.8°C | 35 mm | 65% | 0.2 m/s | 6.4 |
| 1998 | 22.9°C | 18.1°C | 13.4°C | 29.5°C | 5.3°C | 185 mm | 82% | 0.2 m/s | 5.4 |
| 1997 | 25.0°C | 18.8°C | 12.7°C | 31.1°C | 7.4°C | 52 mm | 76% | 0.1 m/s | 6.3 |
| 1996 | 24.1°C | 19.1°C | 14.0°C | 28.6°C | 7.7°C | 127 mm | 83% | 0.1 m/s | 5.4 |
| 1995 | 26.7°C | 20.2°C | 13.6°C | 34.5°C | 8.9°C | 41 mm | 70% | 0.1 m/s | 5.8 |
| 1994 | 25.4°C | 19.9°C | 14.4°C | 31.3°C | 6.2°C | 127 mm | 81% | 0.1 m/s | 5.7 |
| 1993 | 24.5°C | 18.7°C | 12.9°C | 29.4°C | 5.2°C | 60 mm | 76% | 0.1 m/s | 6.3 |
| 1992 | 23.2°C | 17.4°C | 11.5°C | 27.9°C | 6.3°C | 118 mm | 79% | 0.2 m/s | 6.3 |
| 1991 | 26.3°C | 20.1°C | 13.8°C | 34.4°C | 7.6°C | 53 mm | 71% | 0.2 m/s | 6.2 |
| 1990 | 23.8°C | 18.5°C | 13.2°C | 27.2°C | 5.4°C | 90 mm | 82% | 0.1 m/s | 5.7 |
| 1989 | 24.0°C | 19.2°C | 14.4°C | 31.5°C | 9.5°C | 164 mm | 85% | 0.1 m/s | 5.3 |
| 1988 | 24.5°C | 18.2°C | 11.9°C | 33.5°C | 5.5°C | 21 mm | 68% | 0.2 m/s | 6.9 |
| 1987 | 24.8°C | 19.4°C | 14.0°C | 29.4°C | 7.2°C | 79 mm | 80% | 0.1 m/s | 5.8 |
| 1986 | 23.2°C | 17.5°C | 11.7°C | 27.7°C | 3.2°C | 131 mm | 78% | 0.1 m/s | 6.3 |
| 1985 | 23.2°C | 17.2°C | 11.3°C | 27.6°C | 7.2°C | 105 mm | 73% | 0.2 m/s | 5.4 |
| 1984 | 24.4°C | 19.0°C | 13.7°C | 30.9°C | 4.5°C | 95 mm | 82% | 0.1 m/s | 5.8 |
| 1983 | 24.6°C | 18.9°C | 13.2°C | 30.5°C | 4.5°C | 94 mm | 80% | 0.1 m/s | — |
| 1982 ❄️ | 21.9°C | 16.8°C | 11.7°C | 26.9°C | 7.8°C | 203 mm | 83% | 0.2 m/s | — |
| 1981 | 25.4°C | 19.3°C | 13.1°C | 32.3°C | 6.4°C | 83 mm | 74% | 0.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 24.8°C with lows near 13.8°C (mean 19.3°C), based on 45 years of NASA POWER data.
June averages 107 mm of rainfall in Danbury, about average for rainfall. The wettest on record was 245 mm in 2013.
The hottest June reached 35.9°C in 2021. The coldest dipped to 3.2°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2°C. Daytime highs moved from 23.9°C to 25.7°C and overnight lows from 12.6°C to 14.7°C over the same span.
June is one of the warmer months of the year in Danbury and about average for rainfall, so plan for around 24.8°C daytime highs and 13.8°C at night.
Not quite — June is the 10th coolest month in Danbury, averaging 19.3°C.
For June in Danbury, pack light layers you can adjust through the day, with typical highs of 24.8°C and lows of 13.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 78% — quite humid.
Average wind speed in June is 0.1 m/s. The windiest June on record averaged 0.2 m/s (1982).
The wettest June on record was 2013 with 245 mm. On average, June sees 107 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 June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
