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

Red Bluff in April has a normal high of 72°F and a normal low of 47°F, a daily mean of 60°F, rising from 68°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 7 days in a normal April, 1.55 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 22°C and low of 8°C, 39 mm of precipitation in April.

  • NOAA stationRed Bluff Municipal Airport
  • Station IDUSW00024216
  • Location40.15°N 122.25°W
  • Elevation353 ft (108 m)
  • Population14,286
  1. Jan 57° 38°
  2. Feb 61° 41°
  3. Mar 66° 44°
  4. Apr 72° 47°
  5. May 82° 55°
  6. Jun 91° 62°
  7. Jul 98° 66°
  8. Aug 96° 64°
  9. Sep 91° 59°
  10. Oct 79° 51°
  11. Nov 64° 43°
  12. Dec 56° 38°

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

How warm is Red Bluff in April?

The normal high is 72°F and the normal low 47°F, for a daily mean of 59.6°F. April is 4.9°F warmer than March and 8.4°F cooler than May. April is the 7th warmest month of the year in Red Bluff and the 6th wettest. Across the month the normal high rises 9°F, from 68°F on April 1 to 77°F on April 30. From one year to the next April's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 57°F and 63°F.

Red Bluff 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 26%).

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°F45°F26%15%
April 870°F46°F24%14%
April 1572°F47°F23%12%
April 2274°F48°F21%10%
April 3077°F50°F19%10%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Red Bluff: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 168°F45°F26%15%12 h 40 min
April 268°F45°F26%15%12 h 40 min
April 368°F45°F26%15%12 h 40 min
April 469°F46°F25%14%12 h 50 min
April 569°F46°F25%14%12 h 50 min
April 669°F46°F25%14%12 h 50 min
April 769°F46°F25%14%12 h 50 min
April 870°F46°F24%14%13 h
April 970°F46°F24%13%13 h
April 1070°F46°F24%13%13 h
April 1170°F46°F24%13%13 h
April 1271°F47°F24%13%13 h 10 min
April 1371°F47°F23%12%13 h 10 min
April 1471°F47°F23%12%13 h 10 min
April 1572°F47°F23%12%13 h 10 min
April 1672°F47°F22%12%13 h 20 min
April 1772°F47°F22%11%13 h 20 min
April 1872°F48°F22%11%13 h 20 min
April 1973°F48°F21%11%13 h 20 min
April 2073°F48°F21%11%13 h 30 min
April 2174°F48°F21%11%13 h 30 min
April 2274°F48°F21%10%13 h 30 min
April 2374°F49°F21%10%13 h 30 min
April 2475°F49°F20%10%13 h 40 min
April 2575°F49°F20%10%13 h 40 min
April 2675°F49°F20%10%13 h 40 min
April 2776°F50°F20%10%13 h 40 min
April 2876°F50°F20%10%13 h 50 min
April 2976°F50°F19%10%13 h 50 min
April 3077°F50°F19%10%13 h 50 min
Normal high
72°FApril average
Normal low
47°FApril average
Precipitation
1.55 inmonth total
Days with precipitation
70.01 inch or more
Days at 90°F or more
1
Daylight
12 h 40 min to 13 h 50 minApril 1 to April 30
Days at 70°F or more
18
Days at 80°F or more
7
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024216; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Red Bluff in April?

On a given April day the chance of 0.01 inch or more is 22% on average, highest around April 1 (26%). In all, 1.55 in falls on 7 days of a normal April.

In a normal April in Red Bluff, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024216.

How humid and windy is Red Bluff in April?

At 3 p.m. the normal temperature is 76°F with 27% relative humidity and a dew point of 40°F; at 6 a.m. it is 53°F with 67% humidity. The wind averages 8.6 mph, most often from the south in the afternoon. A dew point under 50°F feels dry.

A normal April day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.53°F43°F67%7.0 mph73%
9 a.m.64°F43°F45%10.2 mph74%
noon72°F41°F33%9.7 mph78%
3 p.m.76°F40°F27%10.1 mph75%
6 p.m.73°F42°F33%9.0 mph74%
9 p.m.63°F44°F50%7.1 mph76%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024216. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for April in Red Bluff?

The warmest April temperature on this station's record (since 1933) is 98°F, on April 14, 1947; the coldest is 28°F, on April 1, 1936. The wettest April brought 6.51 in (1948).

The April mean against the 1991-2020 normal of 59.6°F: 2021 63.1°F (+3.5), 2022 61.1°F (+1.5), 2023 59.9°F (+0.3), 2024 60.6°F (+1.0), 2025 62.0°F (+2.4), 2026 59.4°F (−0.2). 5 of 6 ran warmer than normal.

Red Bluff: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202163.1°F+3.5°F0.26 in
202261.1°F+1.5°F0.84 in
202359.9°F+0.3°F0.68 in
202460.6°F+1.0°F1.59 in
202562.0°F+2.4°F0.28 in
202659.4°F−0.2°F3.29 in

Source: records: ACIS, station USW00024216; recent months: ACIS, station USW00024216. Records and recent months use complete months only.

How does April in Red Bluff 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; Red Bluff's is 72°F.

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

Other months and places