Friday Harbor, WA weather in April
Friday Harbor is cool in April, with some rain: highs average 57°F and nights drop to about 41°F. Rain falls on about 10 days.
- Normal high
- 57°F
- Normal low
- 41°F
- Wet days
- 10
- 1.0 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 55°F | 60°F |
| Normal low | 40°F | 42°F |
| Chance of a wet day | 40% | 32% |
| Sunrise / sunset | 6:49 am / 7:42 pm | 5:53 am / 8:24 pm |
| Daylight | 12.9 h | 14.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical April day
- 6 am44°Fdew point 39°F
- 9 am50°Fdew point 41°F
- Noon54°Fdew point 41°F
- 3 pm56°Fdew point 40°F
- 6 pm54°Fdew point 40°F
- 9 pm48°Fdew point 41°F
NOAA hourly normals (local standard time) from Bellingham Intl Airport (28 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow10 of 30
- Notable rainat least 0.10 in3 of 30
- Freezing nightslow 32°F or below2 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 1.0 in; a dry April brings about 0.5 in and a wet one about 1.4 in (25th and 75th percentiles). Days with half an inch or more are rare. Snow is very rare.
How April varies from year to year
- Warmest April, 1991-20202016: average high 62°F
- Coolest April2008: average high 53°F
- Wettest April2011: 2.4 in
- Driest April2015: no measurable precipitation
- Highest reading79°F (April 18, 2016)
- Lowest reading27°F (April 1, 2008)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 53°F | 57°F | 64°F |
| Normal low | 38°F | 41°F | 44°F |
| Wet days | 14 | 10 | 10 |
| Comfortable days | 0 | 3 | 10 |
| Daylight | 11.9 h | 13.7 h | 15.3 h |
Highs change by +4°F from March and +7°F into May.
How Friday Harbor ranks in April
- Normal high308th warmest of 378 cities; 7th of 9 in Washington
- Wet days223rd driest of 378
- Comfortable days317th most of 340
What to pack for Friday Harbor in April
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
April has 479 heating degree days and 0 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How cold is Friday Harbor in April?
The normal high is 57°F and the normal low is 41°F. From 1991 to 2020 the coldest April reading was 27°F (April 1, 2008).
Does it rain a lot in Friday Harbor in April?
About 10 days in April have at least 0.01 in of precipitation, and the normal total is 1.0 in. The wettest April in 1991-2020 was in 2011 (2.4 in); the driest was in 2015, with no measurable precipitation.
Is April a good time to visit Friday Harbor?
April ranks 6th of 12 months on our comfort score for Friday Harbor (57 out of 100). It has about 3 comfortable days. The best months are July and August.
Where the numbers come from
- Temperature, rain and frost dates: Friday Harbor Airport (USW00094276), 0.9 mi SSW of the city center, 109 ft (51 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Olga 2 Se (USC00456096), 11 mi ENE of the city center, 80 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Bellingham Intl Airport (USW00024217), 28 mi NE of the city center, 149 ft (91 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Bellingham Intl Airport (727976-24217), 28 mi NE of the city center, 151 ft (93 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).