Danbury climate

Danbury Weather in August

NOAA 1991-2020 normals for Grafton, 8.4 km from Danbury

Average highs run from 79°F on August 1 to 76°F on August 31, and lows from 54°F to 51°F. Normal precipitation for the month is 3.32 in over about 8 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Danbury, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
53°F
Precipitation
3.32 in
Record high
98°FAug 2, 1975
Record low
29°FAug 31, 1965
Chance of a freeze
0%
Days of 90°F or more
1.5
Daylight
14 h 33 min to 13 h 14 min
Cloud cover
57%
Humidity
82%
Dew point
60°F
Wind
3.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 179°F54°F89°F 195539°F 198730%0%
Aug 279°F54°F98°F 197537°F 198729%0%
Aug 379°F54°F91°F 200635°F 195329%0%
Aug 479°F54°F93°F 198841°F 196629%0%
Aug 579°F54°F92°F 198839°F 197229%0%
Aug 679°F54°F94°F 195538°F 195729%0%
Aug 779°F54°F90°F 196537°F 199428%0%
Aug 878°F54°F95°F 196539°F 195728%0%
Aug 978°F54°F93°F 198339°F 198928%0%
Aug 1078°F54°F90°F 198839°F 198928%0%
Aug 1178°F54°F91°F 198837°F 199928%0%
Aug 1278°F54°F92°F 200240°F 198727%0%
Aug 1378°F54°F93°F 200239°F 199227%0%
Aug 1478°F54°F94°F 200239°F 196127%0%
Aug 1578°F54°F97°F 200240°F 196127%0%
Aug 1678°F54°F97°F 200238°F 195627%0%
Aug 1778°F54°F93°F 195937°F 196126%0%
Aug 1878°F53°F97°F 198737°F 195726%0%
Aug 1978°F53°F94°F 200236°F 196826%0%
Aug 2078°F53°F89°F 197138°F 198826%0%
Aug 2178°F53°F90°F 195537°F 198426%0%
Aug 2278°F53°F92°F 195536°F 196925%0%
Aug 2377°F53°F92°F 195534°F 198825%0%
Aug 2477°F53°F88°F 195534°F 198825%0%
Aug 2577°F52°F89°F 195432°F 198725%0%
Aug 2677°F52°F93°F 195232°F 198725%0%
Aug 2777°F52°F96°F 195233°F 198925%0%
Aug 2877°F52°F96°F 195233°F 198925%0%
Aug 2976°F52°F93°F 195332°F 198225%0%
Aug 3076°F51°F93°F 195331°F 198625%0%
Aug 3176°F51°F98°F 196429°F 196526%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Danbury, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:37 AM, sunset 8:10 PM
August 31
sunrise 6:10 AM, sunset 7:24 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00273530 (Grafton), public domain. Records: NOAA GHCN-Daily, station USC00276945, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.