Monrovia climate

Monrovia Weather in April

NOAA 1991-2020 normals for Martinsville 2 Sw, 19.6 km from Monrovia

Average highs run from 58°F on April 1 to 68°F on April 30, and lows from 34°F to 45°F. Normal precipitation for the month is 4.83 in over about 12 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 Monrovia, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
63°F
Average low
40°F
Precipitation
4.83 in
Snowfall
0.1 in
Record high
87°FApr 30, 2007
Record low
21°FApr 9, 1997
Chance of a freeze
98%
Daylight
12 h 40 min to 13 h 51 min
Cloud cover
66%
Humidity
79%
Dew point
45°F
Wind
10.1 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 158°F34°F82°F 201024°F 201938%2%
Apr 258°F35°F83°F 202522°F 202139%2%
Apr 359°F35°F84°F 201224°F 201339%1%
Apr 459°F35°F81°F 202329°F 200239%1%
Apr 559°F36°F78°F 200526°F 201639%1%
Apr 660°F36°F83°F 201026°F 200239%1%
Apr 760°F36°F82°F 200124°F 200739%1%
Apr 861°F37°F82°F 200122°F 199740%1%
Apr 961°F37°F83°F 200121°F 199740%1%
Apr 1061°F38°F84°F 200526°F 199740%1%
Apr 1162°F38°F82°F 200131°F 201240%1%
Apr 1262°F38°F80°F 202631°F 200040%1%
Apr 1363°F39°F82°F 200633°F 199740%1%
Apr 1463°F39°F83°F 202628°F 199741%1%
Apr 1563°F40°F84°F 200228°F 202041%1%
Apr 1664°F40°F84°F 200225°F 202041%1%
Apr 1764°F40°F82°F 200229°F 200141%0%
Apr 1864°F41°F84°F 200230°F 200141%0%
Apr 1965°F41°F85°F 200233°F 202241%0%
Apr 2065°F42°F84°F 202331°F 202141%0%
Apr 2165°F42°F76°F 202627°F 202141%0%
Apr 2266°F42°F82°F 200134°F 201342%0%
Apr 2366°F43°F86°F 202230°F 200342%0%
Apr 2467°F43°F84°F 202530°F 201542%0%
Apr 2567°F43°F83°F 200934°F 201342%0%
Apr 2667°F44°F84°F 200934°F 201342%0%
Apr 2767°F44°F83°F 202133°F 201242%0%
Apr 2868°F44°F83°F 202534°F 201042%0%
Apr 2968°F45°F80°F 200734°F 201842%0%
Apr 3068°F45°F87°F 200735°F 200842%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monrovia, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 7:30 AM, sunset 8:10 PM
April 30
sunrise 6:48 AM, sunset 8:39 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00125407 (Martinsville 2 Sw), public domain. Records: NOAA GHCN-Daily, station USW00053842, 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.