Bellingham weather in April: Bellingham, Washington: normal highs, lows, rain and records for April

Bellingham in April has a normal high of 58°F and a normal low of 42°F, a daily mean of 50°F, rising from 55°F on the 1st to 61°F by the 30th. Measurable precipitation falls on 16 days in a normal April, 2.77 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 14°C and low of 5°C, 70 mm of precipitation in April.

  • NOAA stationBellingham International Airport
  • Station IDUSW00024217
  • Location48.79°N 122.54°W
  • Elevation149 ft (45 m)
  • From the center4 miles
  • Population95,860
  1. Jan 46° 34°
  2. Feb 49° 35°
  3. Mar 53° 38°
  4. Apr 58° 42°
  5. May 64° 47°
  6. Jun 68° 52°
  7. Jul 73° 55°
  8. Aug 73° 55°
  9. Sep 68° 50°
  10. Oct 59° 43°
  11. Nov 51° 38°
  12. Dec 46° 34°

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

How warm is Bellingham in April?

The normal high is 58°F and the normal low 42°F, for a daily mean of 49.6°F. April is 4.5°F warmer than March and 5.9°F cooler than May. April is the 7th warmest month of the year in Bellingham and the 7th wettest. Across the month the normal high rises 6°F, from 55°F on April 1 to 61°F on April 30. From one year to the next April's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 48°F and 51°F.

Bellingham 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 54%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 155°F40°F54%31%
April 856°F41°F53%29%
April 1558°F41°F51%27%
April 2259°F42°F48%25%
April 3061°F44°F45%23%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Bellingham: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 155°F40°F54%31%12 h 50 min
April 255°F40°F54%31%12 h 50 min
April 356°F40°F54%30%13 h
April 456°F40°F54%30%13 h
April 556°F40°F54%30%13 h
April 656°F40°F54%30%13 h 10 min
April 756°F41°F53%29%13 h 10 min
April 856°F41°F53%29%13 h 10 min
April 956°F41°F53%29%13 h 20 min
April 1057°F41°F52%28%13 h 20 min
April 1157°F41°F52%28%13 h 20 min
April 1257°F41°F52%28%13 h 30 min
April 1357°F41°F52%27%13 h 30 min
April 1457°F41°F51%27%13 h 30 min
April 1558°F41°F51%27%13 h 40 min
April 1658°F42°F51%26%13 h 40 min
April 1758°F42°F50%26%13 h 50 min
April 1858°F42°F50%26%13 h 50 min
April 1958°F42°F50%25%13 h 50 min
April 2059°F42°F49%25%14 h
April 2159°F42°F49%25%14 h
April 2259°F42°F48%25%14 h
April 2359°F43°F48%25%14 h 10 min
April 2459°F43°F48%24%14 h 10 min
April 2560°F43°F47%24%14 h 10 min
April 2660°F43°F47%24%14 h 20 min
April 2760°F43°F47%24%14 h 20 min
April 2860°F43°F46%23%14 h 20 min
April 2961°F44°F46%23%14 h 30 min
April 3061°F44°F45%23%14 h 30 min
Normal high
58°FApril average
Normal low
42°FApril average
Precipitation
2.77 inmonth total
Days with precipitation
160.01 inch or more
Nights at 32°F or colder
2
Daylight
12 h 50 min to 14 h 30 minApril 1 to April 30
Days at 70°F or more
1
Sunshine
67%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024217; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Bellingham in April?

On a given April day the chance of 0.01 inch or more is 50% on average, highest around April 1 (54%). In all, 2.77 in falls on 16 days of a normal April.

In a normal April in Bellingham, 2 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024217.

How humid and windy is Bellingham in April?

At 3 p.m. the normal temperature is 58°F with 56% relative humidity and a dew point of 43°F; at 6 a.m. it is 47°F with 84% humidity. The wind averages 6.9 mph, most often from the south-southwest 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.47°F42°F84%5.9 mph37%
9 a.m.52°F43°F71%8.4 mph38%
noon56°F44°F62%9.2 mph44%
3 p.m.58°F43°F56%9.2 mph51%
6 p.m.56°F42°F59%7.0 mph53%
9 p.m.51°F43°F76%5.1 mph55%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024217. 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 Bellingham?

The warmest April temperature on this station's record (since 1949) is 83°F, on April 18, 2016; the coldest is 24°F, on April 20, 1951. The wettest April brought 6.09 in (1992); the snowiest, 3.0 inches (1976).

The April mean against the 1991-2020 normal of 49.6°F: 2021 50.7°F (+1.1), 2022 46.9°F (−2.7), 2023 47.4°F (−2.2), 2024 47.5°F (−2.1), 2025 50.1°F (+0.5), 2026 49.8°F (+0.2). 3 of 6 ran warmer than normal.

Bellingham: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202150.7°F+1.1°F1.10 in
202246.9°F−2.7°F1.34 in
202347.4°F−2.2°F1.64 in
202447.5°F−2.1°F2.26 in
202550.1°F+0.5°F1.49 in
202649.8°F+0.2°F1.63 in

Source: records: ACIS, station USW00024217; recent months: ACIS, station USW00024217. Records and recent months use complete months only.

How does April in Bellingham compare across Washington?

Across the 96 places PlainClimate covers in Washington, April normal highs run from 53°F in Easton to 67°F in Pasco; Bellingham's is 58°F.

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

Other months and places