Princeton climate

Princeton Weather in April

NOAA 1991-2020 normals for Smithfield, 17.5 km from Princeton

Average highs run from 70°F on April 1 to 78°F on April 30, and lows from 43°F to 52°F. Normal precipitation for the month is 3.69 in over about 9 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 Princeton, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
74°F
Average low
48°F
Precipitation
3.69 in
Record high
90°FApr 15, 2024
Record low
28°FApr 6, 2016
Chance of a freeze
42%
Days of 90°F or more
0.5
Daylight
12 h 35 min to 13 h 36 min
Cloud cover
54%
Humidity
77%
Dew point
52°F
Wind
10.3 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 170°F43°F85°F 202437°F 201533%0%
Apr 270°F43°F88°F 202435°F 201932%0%
Apr 370°F44°F85°F 201432°F 201932%0%
Apr 471°F44°F83°F 202532°F 201932%0%
Apr 571°F44°F85°F 202538°F 202232%0%
Apr 671°F45°F85°F 202328°F 201632%0%
Apr 772°F45°F85°F 202328°F 201632%0%
Apr 872°F45°F85°F 202133°F 201832%0%
Apr 972°F45°F83°F 201934°F 201832%0%
Apr 1073°F46°F83°F 201331°F 201631%0%
Apr 1173°F46°F85°F 201331°F 201631%0%
Apr 1273°F46°F83°F 201134°F 201231%0%
Apr 1374°F47°F83°F 201134°F 201231%0%
Apr 1474°F47°F82°F 202437°F 201231%0%
Apr 1574°F47°F90°F 202440°F 201631%0%
Apr 1675°F48°F89°F 202635°F 201431%0%
Apr 1775°F48°F88°F 202635°F 201431%0%
Apr 1875°F48°F87°F 202436°F 201831%0%
Apr 1975°F49°F89°F 202640°F 201431%0%
Apr 2076°F49°F86°F 201637°F 201831%0%
Apr 2176°F49°F87°F 202537°F 201831%0%
Apr 2276°F50°F86°F 201736°F 202131%0%
Apr 2376°F50°F85°F 201735°F 202131%0%
Apr 2477°F50°F85°F 202635°F 202131%0%
Apr 2577°F51°F87°F 202640°F 201231%0%
Apr 2677°F51°F86°F 202644°F 202331%0%
Apr 2777°F51°F86°F 202243°F 201531%0%
Apr 2877°F52°F83°F 201142°F 201531%0%
Apr 2978°F52°F86°F 201744°F 201531%0%
Apr 3078°F52°F86°F 201740°F 201831%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Princeton, 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 6:59 AM, sunset 7:34 PM
April 30
sunrise 6:22 AM, sunset 7:58 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00317994 (Smithfield), public domain. Records: NOAA GHCN-Daily, station USC00313503, 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.