Pomona weather in April: Pomona, California: normal highs, lows, rain and records for April

Pomona in April has a normal high of 76°F and a normal low of 50°F, a daily mean of 63°F, rising from 75°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 2 days in a normal April, 0.97 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 24°C and low of 10°C, 25 mm of precipitation in April.

  • NOAA stationPomona/Fairplex
  • Station IDUSC00047050
  • Location34.08°N 117.77°W
  • Elevation999 ft (305 m)
  • From the center2 miles
  • Population147,966
  1. Jan 68° 43°
  2. Feb 67° 45°
  3. Mar 72° 47°
  4. Apr 76° 50°
  5. May 78° 54°
  6. Jun 84° 57°
  7. Jul 90° 62°
  8. Aug 92° 63°
  9. Sep 89° 60°
  10. Oct 81° 54°
  11. Nov 74° 47°
  12. Dec 67° 42°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Pomona in April?

The normal high is 76°F and the normal low 50°F, for a daily mean of 62.7°F. April is 3.2°F warmer than March and 3.5°F cooler than May. April is the 7th warmest month of the year in Pomona and the 5th wettest. Across the month the normal high rises 2°F, from 75°F on April 1 to 77°F on April 30. From one year to the next April's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 60°F and 65°F.

Pomona in April, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 10%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 175°F48°F10%7%
April 876°F48°F9%6%
April 1576°F49°F8%5%
April 2276°F51°F7%4%
April 3077°F52°F5%3%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Pomona: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 175°F48°F10%7%12 h 30 min
April 275°F48°F10%7%12 h 30 min
April 375°F48°F9%6%12 h 40 min
April 475°F48°F9%6%12 h 40 min
April 575°F48°F9%6%12 h 40 min
April 675°F48°F9%6%12 h 40 min
April 775°F48°F9%6%12 h 40 min
April 876°F48°F9%6%12 h 50 min
April 976°F49°F9%6%12 h 50 min
April 1076°F49°F8%6%12 h 50 min
April 1176°F49°F8%5%12 h 50 min
April 1276°F49°F8%5%12 h 50 min
April 1376°F49°F8%5%13 h
April 1476°F49°F8%5%13 h
April 1576°F49°F8%5%13 h
April 1676°F50°F8%5%13 h
April 1776°F50°F7%5%13 h
April 1876°F50°F7%5%13 h 10 min
April 1976°F50°F7%4%13 h 10 min
April 2076°F50°F7%4%13 h 10 min
April 2176°F50°F7%4%13 h 10 min
April 2276°F51°F7%4%13 h 10 min
April 2376°F51°F6%4%13 h 20 min
April 2476°F51°F6%4%13 h 20 min
April 2576°F51°F6%4%13 h 20 min
April 2676°F51°F6%3%13 h 20 min
April 2776°F51°F6%3%13 h 20 min
April 2876°F52°F6%3%13 h 30 min
April 2977°F52°F5%3%13 h 30 min
April 3077°F52°F5%3%13 h 30 min
Normal high
76°FApril average
Normal low
50°FApril average
Precipitation
0.97 inmonth total
Days with precipitation
20.01 inch or more
Days at 90°F or more
2
Daylight
12 h 30 min to 13 h 30 minApril 1 to April 30
Days at 70°F or more
20
Days at 80°F or more
9
Sunshine
90%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00047050; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Pomona in April?

On a given April day the chance of 0.01 inch or more is 8% on average, highest around April 1 (10%). In all, 0.97 in falls on 2 days of a normal April.

In a normal April in Pomona, 2 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00047050.

What are the records for April in Pomona?

The warmest April temperature on this station's record (since 1893) is 104°F, on April 25, 1898; the coldest is 29°F, on April 15, 1921. The wettest April brought 9.44 in (1926).

Source: records: ACIS, station USC00047050. Records and recent months use complete months only.

How does April in Pomona compare across California?

Across the 219 places PlainClimate covers in California, April normal highs run from 49°F in Tahoma to 87°F in Brawley; Pomona's is 76°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places