San Jose weather in April: San Jose, California: normal highs, lows, rain and records for April
San Jose in April has a normal high of 69°F and a normal low of 48°F, a daily mean of 59°F, rising from 67°F on the 1st to 71°F by the 30th. Measurable precipitation falls on 6 days in a normal April, 1.07 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 9°C, 27 mm of precipitation in April.
- NOAA stationSan Jose
- Station IDUSW00023293
- Location37.36°N 121.92°W
- Elevation51 ft (16 m)
- From the center7 miles
- Population997,368
- Jan 60° 42°
- Feb 62° 44°
- Mar 66° 46°
- Apr 69° 48°
- May 74° 52°
- Jun 79° 56°
- Jul 81° 58°
- Aug 81° 59°
- Sep 81° 57°
- Oct 76° 53°
- Nov 66° 46°
- Dec 60° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is San Jose in April?
The normal high is 69°F and the normal low 48°F, for a daily mean of 58.8°F. April is 2.7°F warmer than March and 4.2°F cooler than May. April is the 7th warmest month of the year in San Jose and the 6th wettest. Across the month the normal high rises 4°F, from 67°F on April 1 to 71°F on April 30. From one year to the next April's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 57°F and 61°F.
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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 67°F | 47°F | 26% | 14% |
| April 8 | 68°F | 48°F | 23% | 13% |
| April 15 | 69°F | 48°F | 20% | 11% |
| April 22 | 70°F | 49°F | 17% | 9% |
| April 30 | 71°F | 50°F | 14% | 6% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 67°F | 47°F | 26% | 14% | 12 h 30 min |
| April 2 | 68°F | 47°F | 25% | 14% | 12 h 40 min |
| April 3 | 68°F | 47°F | 25% | 14% | 12 h 40 min |
| April 4 | 68°F | 47°F | 25% | 14% | 12 h 40 min |
| April 5 | 68°F | 47°F | 24% | 14% | 12 h 40 min |
| April 6 | 68°F | 48°F | 24% | 14% | 12 h 50 min |
| April 7 | 68°F | 48°F | 24% | 13% | 12 h 50 min |
| April 8 | 68°F | 48°F | 23% | 13% | 12 h 50 min |
| April 9 | 68°F | 48°F | 23% | 13% | 12 h 50 min |
| April 10 | 68°F | 48°F | 22% | 13% | 13 h |
| April 11 | 69°F | 48°F | 22% | 12% | 13 h |
| April 12 | 69°F | 48°F | 22% | 12% | 13 h |
| April 13 | 69°F | 48°F | 21% | 12% | 13 h |
| April 14 | 69°F | 48°F | 21% | 11% | 13 h |
| April 15 | 69°F | 48°F | 20% | 11% | 13 h 10 min |
| April 16 | 69°F | 48°F | 20% | 11% | 13 h 10 min |
| April 17 | 69°F | 48°F | 19% | 10% | 13 h 10 min |
| April 18 | 70°F | 49°F | 18% | 10% | 13 h 10 min |
| April 19 | 70°F | 49°F | 18% | 10% | 13 h 20 min |
| April 20 | 70°F | 49°F | 17% | 9% | 13 h 20 min |
| April 21 | 70°F | 49°F | 17% | 9% | 13 h 20 min |
| April 22 | 70°F | 49°F | 17% | 9% | 13 h 20 min |
| April 23 | 70°F | 49°F | 16% | 8% | 13 h 30 min |
| April 24 | 70°F | 49°F | 16% | 8% | 13 h 30 min |
| April 25 | 71°F | 49°F | 15% | 8% | 13 h 30 min |
| April 26 | 71°F | 50°F | 15% | 7% | 13 h 30 min |
| April 27 | 71°F | 50°F | 15% | 7% | 13 h 30 min |
| April 28 | 71°F | 50°F | 14% | 7% | 13 h 40 min |
| April 29 | 71°F | 50°F | 14% | 7% | 13 h 40 min |
| April 30 | 71°F | 50°F | 14% | 6% | 13 h 40 min |
- Normal high
- 69°FApril average
- Normal low
- 48°FApril average
- Precipitation
- 1.07 inmonth total
- Days with precipitation
- 60.01 inch or more
- Daylight
- 12 h 30 min to 13 h 40 minApril 1 to April 30
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023293; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in San Jose in April?
On a given April day the chance of 0.01 inch or more is 20% on average, highest around April 1 (26%). In all, 1.07 in falls on 6 days of a normal April.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023293.
What are the records for April in San Jose?
The warmest April temperature on San Jose's official record (since 1893) is 95°F, on April 9, 1989; the coldest is 26°F, on April 5, 1895. The wettest April brought 3.89 in (1967).
The April mean against the 1991-2020 normal of 58.8°F: 2021 58.2°F (−0.6), 2022 59.6°F (+0.9), 2023 58.0°F (−0.8), 2024 60.7°F (+1.9), 2025 59.1°F (+0.3), 2026 60.3°F (+1.5). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 58.2°F | −0.6°F | 0.05 in |
| 2022 | 59.6°F | +0.9°F | 0.29 in |
| 2023 | 58.0°F | −0.8°F | 0.11 in |
| 2024 | 60.7°F | +1.9°F | 0.81 in |
| 2025 | 59.1°F | +0.3°F | 0.31 in |
| 2026 | 60.3°F | +1.5°F | 1.85 in |
Source: records: ACIS, NWS threaded record SJCthr; recent months: ACIS, station USW00023293. Records and recent months use complete months only.
How does April in San Jose 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; San Jose's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.