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

Palo Alto in April has a normal high of 70°F and a normal low of 45°F, a daily mean of 57°F, rising from 68°F on the 1st to 71°F by the 30th. Measurable precipitation falls on 5 days in a normal April, 0.97 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 21°C and low of 7°C, 25 mm of precipitation in April.

  • NOAA stationPalo Alto
  • Station IDUSC00046646
  • Location37.44°N 122.14°W
  • Elevation25 ft (8 m)
  • From the center3 miles
  • Population67,658
  1. Jan 58° 39°
  2. Feb 61° 41°
  3. Mar 66° 44°
  4. Apr 70° 45°
  5. May 73° 50°
  6. Jun 79° 53°
  7. Jul 79° 56°
  8. Aug 79° 55°
  9. Sep 80° 53°
  10. Oct 74° 48°
  11. Nov 64° 43°
  12. Dec 58° 39°

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

How warm is Palo Alto in April?

The normal high is 70°F and the normal low 45°F, for a daily mean of 57.4°F. April is 2.8°F warmer than March and 4.0°F cooler than May. April is the 7th warmest month of the year in Palo Alto and the 6th wettest. Across the month the normal high rises 3°F, from 68°F on April 1 to 71°F on April 30. From one year to the next April's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 55°F and 60°F.

Palo Alto 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 22%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 168°F44°F22%15%
April 869°F45°F20%13%
April 1570°F45°F18%11%
April 2270°F46°F15%10%
April 3071°F47°F13%8%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Palo Alto: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 168°F44°F22%15%12 h 30 min
April 268°F44°F22%15%12 h 40 min
April 368°F44°F21%15%12 h 40 min
April 468°F44°F21%14%12 h 40 min
April 568°F44°F21%14%12 h 40 min
April 669°F44°F21%14%12 h 50 min
April 769°F44°F21%14%12 h 50 min
April 869°F45°F20%13%12 h 50 min
April 969°F45°F20%13%12 h 50 min
April 1069°F45°F20%13%13 h
April 1169°F45°F19%13%13 h
April 1269°F45°F19%12%13 h
April 1369°F45°F19%12%13 h
April 1470°F45°F18%12%13 h 10 min
April 1570°F45°F18%11%13 h 10 min
April 1670°F45°F18%11%13 h 10 min
April 1770°F45°F17%11%13 h 10 min
April 1870°F45°F17%11%13 h 10 min
April 1970°F46°F17%10%13 h 20 min
April 2070°F46°F16%10%13 h 20 min
April 2170°F46°F16%10%13 h 20 min
April 2270°F46°F15%10%13 h 20 min
April 2371°F46°F15%9%13 h 30 min
April 2471°F46°F15%9%13 h 30 min
April 2571°F46°F14%9%13 h 30 min
April 2671°F47°F14%9%13 h 30 min
April 2771°F47°F14%8%13 h 30 min
April 2871°F47°F13%8%13 h 40 min
April 2971°F47°F13%8%13 h 40 min
April 3071°F47°F13%8%13 h 40 min
Normal high
70°FApril average
Normal low
45°FApril average
Precipitation
0.97 inmonth total
Days with precipitation
50.01 inch or more
Daylight
12 h 30 min to 13 h 40 minApril 1 to April 30
Days at 70°F or more
13
Days at 80°F or more
4
Sunshine
82%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00046646; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Palo Alto in April?

On a given April day the chance of 0.01 inch or more is 18% on average, highest around April 1 (22%). In all, 0.97 in falls on 5 days of a normal April.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00046646.

What are the records for April in Palo Alto?

The warmest April temperature on this station's record (since 1953) is 98°F, on April 22, 2009; the coldest is 31°F, on April 25, 1964. The wettest April brought 4.56 in (1958).

Source: records: ACIS, station USC00046646. Records and recent months use complete months only.

How does April in Palo Alto 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; Palo Alto's is 70°F.

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

Other months and places