Derby climate

Derby Weather in April

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

Average highs run from 52°F on April 1 to 65°F on April 30, and lows from 33°F to 42°F. Normal precipitation for the month is 4.72 in over about 10 wet days.

April 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.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
58°F
Average low
38°F
Precipitation
4.72 in
Snowfall
0.9 in
Record high
84°FApr 17, 2012
Record low
20°FApr 6, 2016
Chance of a freeze
99%
Daylight
12 h 43 min to 13 h 58 min
Cloud cover
63%
Humidity
79%
Dew point
39°F
Wind
5.6 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
Apr 152°F33°F69°F 201627°F 201432%4%
Apr 252°F33°F63°F 201625°F 201332%4%
Apr 353°F34°F63°F 201426°F 201332%4%
Apr 453°F34°F60°F 201222°F 201732%3%
Apr 553°F34°F65°F 201221°F 201633%3%
Apr 654°F35°F59°F 201320°F 201633%3%
Apr 754°F35°F65°F 201521°F 201633%3%
Apr 855°F35°F58°F 201230°F 201133%3%
Apr 955°F36°F70°F 201324°F 201833%2%
Apr 1056°F36°F78°F 201324°F 201833%2%
Apr 1156°F36°F72°F 201324°F 201833%2%
Apr 1257°F37°F77°F 201724°F 201833%2%
Apr 1357°F37°F70°F 201429°F 201633%2%
Apr 1458°F37°F72°F 201829°F 201633%2%
Apr 1558°F37°F73°F 201828°F 201633%2%
Apr 1659°F38°F78°F 201229°F 201433%1%
Apr 1759°F38°F84°F 201225°F 202033%1%
Apr 1859°F38°F78°F 201229°F 202033%1%
Apr 1960°F39°F76°F 201526°F 202033%1%
Apr 2060°F39°F69°F 201233°F 201833%1%
Apr 2161°F39°F72°F 201233°F 201833%1%
Apr 2261°F40°F72°F 201230°F 201133%1%
Apr 2362°F40°F64°F 201425°F 202033%1%
Apr 2462°F40°F72°F 201329°F 201733%1%
Apr 2563°F40°F77°F 201132°F 202033%1%
Apr 2663°F41°F69°F 201131°F 201233%1%
Apr 2764°F41°F78°F 201132°F 201233%0%
Apr 2864°F41°F66°F 201136°F 201633%0%
Apr 2964°F42°F80°F 201737°F 201633%0%
Apr 3065°F42°F83°F 201743°F 201833%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 6:35 AM, sunset 7:18 PM
April 30
sunrise 5:51 AM, sunset 7:49 PM

Every day of April: 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.