Derby climate

Derby Weather in August

NOAA 1991-2020 normals for Ansonia 1 Ne, 3.1 km from Derby

Average highs run from 82°F on August 1 to 81°F on August 31, and lows from 63°F to 60°F. Normal precipitation for the month is 4.56 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 Derby, in °F, with the record for each date.5060708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
62°F
Precipitation
4.56 in
Record high
94°FAug 14, 2016
Record low
50°FAug 15, 2013
Chance of a freeze
0%
Days of 90°F or more
2.5
Daylight
14 h 21 min to 13 h 09 min
Cloud cover
54%
Humidity
73%
Dew point
61°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 182°F63°F88°F 201156°F 201429%0%
Aug 282°F63°F87°F 201561°F 201329%0%
Aug 382°F63°F87°F 201155°F 201629%0%
Aug 482°F63°F87°F 201854°F 201629%0%
Aug 582°F63°F86°F 201556°F 201329%0%
Aug 682°F63°F91°F 201852°F 201328%0%
Aug 782°F63°F92°F 201852°F 201328%0%
Aug 882°F63°F90°F 201854°F 201428%0%
Aug 982°F63°F89°F 201856°F 201428%0%
Aug 1082°F63°F87°F 201657°F 201428%0%
Aug 1182°F63°F86°F 201853°F 201328%0%
Aug 1282°F63°F93°F 201660°F 201228%0%
Aug 1382°F63°F92°F 201659°F 201528%0%
Aug 1482°F63°F94°F 201656°F 201328%0%
Aug 1582°F63°F94°F 201650°F 201328%0%
Aug 1682°F62°F89°F 201650°F 201328%0%
Aug 1782°F62°F88°F 201653°F 201327%0%
Aug 1882°F62°F90°F 201554°F 201427%0%
Aug 1982°F62°F90°F 201552°F 201427%0%
Aug 2082°F62°F86°F 201652°F 201427%0%
Aug 2182°F62°F84°F 201360°F 201327%0%
Aug 2282°F62°F86°F 201351°F 201726%0%
Aug 2382°F62°F82°F 201852°F 201726%0%
Aug 2482°F61°F83°F 201550°F 201626%0%
Aug 2582°F61°F85°F 201651°F 201325%0%
Aug 2682°F61°F85°F 201557°F 201425%0%
Aug 2782°F61°F87°F 201458°F 201525%0%
Aug 2882°F61°F89°F 201455°F 201525%0%
Aug 2981°F60°F93°F 201852°F 201425%0%
Aug 3081°F60°F94°F 201852°F 201425%0%
Aug 3181°F60°F87°F 201556°F 201725%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Derby, 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 5:48 AM, sunset 8:09 PM
August 31
sunrise 6:18 AM, sunset 7:27 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00060128 (Ansonia 1 Ne), public domain. Records: NOAA GHCN-Daily, station USC00060128, 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.