Norco climate

Norco Weather in April

NOAA 1991-2020 normals for Chino AP, 9.4 km from Norco

Average highs run from 75°F on April 1 to 79°F on April 30, and lows from 47°F to 51°F. Normal precipitation for the month is 0.55 in over about 4 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 Norco, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
77°F
Average low
49°F
Precipitation
0.55 in
Record high
106°FApr 26, 2004
Record low
31°FApr 2, 1999
Chance of a freeze
0%
Days of 90°F or more
2.5
Daylight
12 h 34 min to 13 h 31 min
Cloud cover
32%
Humidity
58%
Dew point
40°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Apr 175°F47°F89°F 201136°F 199913%
Apr 275°F47°F88°F 201631°F 199913%
Apr 375°F47°F89°F 201637°F 200313%
Apr 475°F47°F90°F 202633°F 199912%
Apr 575°F47°F94°F 201635°F 199912%
Apr 675°F47°F100°F 202236°F 200312%
Apr 776°F47°F99°F 202234°F 201212%
Apr 876°F48°F103°F 202235°F 200112%
Apr 976°F48°F99°F 201834°F 199912%
Apr 1076°F48°F97°F 201832°F 199912%
Apr 1176°F48°F90°F 202539°F 199912%
Apr 1277°F48°F92°F 200841°F 200912%
Apr 1377°F48°F96°F 200837°F 202211%
Apr 1477°F48°F90°F 201438°F 200111%
Apr 1577°F48°F88°F 199937°F 199811%
Apr 1677°F49°F92°F 201135°F 199811%
Apr 1777°F49°F93°F 199936°F 201311%
Apr 1878°F49°F94°F 201639°F 199811%
Apr 1978°F49°F97°F 200936°F 201310%
Apr 2078°F49°F100°F 200941°F 200210%
Apr 2178°F49°F101°F 200941°F 200810%
Apr 2278°F50°F96°F 201737°F 200110%
Apr 2378°F50°F92°F 202036°F 201010%
Apr 2478°F50°F101°F 202044°F 200110%
Apr 2579°F50°F97°F 200443°F 200610%
Apr 2679°F51°F106°F 200441°F 20099%
Apr 2779°F51°F101°F 200442°F 20039%
Apr 2879°F51°F97°F 200839°F 20039%
Apr 2979°F51°F99°F 201538°F 19999%
Apr 3079°F51°F98°F 202138°F 20038%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Norco, in percent.0510151102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

April 1
sunrise 6:37 AM, sunset 7:11 PM
April 30
sunrise 6:02 AM, sunset 7:33 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003179 (Chino AP), public domain. Records: NOAA GHCN-Daily, station USW00003179, 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.