Coos Bay weather in April: Coos Bay, Oregon: normal highs, lows, rain and records for April
Coos Bay in April has a normal high of 57°F and a normal low of 39°F, a daily mean of 48°F, rising from 56°F on the 1st to 58°F by the 30th. Measurable precipitation falls on 19 days in a normal April, 5.50 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 4°C, 140 mm of precipitation in April.
- NOAA stationCoos Bay (8 mi SW)
- Station IDUSW00004141
- Location43.27°N 124.32°W
- Elevation12 ft (4 m)
- Population15,801
- Jan 52° 36°
- Feb 54° 37°
- Mar 56° 38°
- Apr 57° 39°
- May 60° 44°
- Jun 62° 47°
- Jul 64° 51°
- Aug 66° 50°
- Sep 66° 47°
- Oct 63° 42°
- Nov 56° 39°
- Dec 51° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Coos Bay in April?
The normal high is 57°F and the normal low 39°F, for a daily mean of 48.1°F. April is 1.6°F warmer than March and 3.8°F cooler than May. April is the 7th warmest month of the year in Coos Bay and the 6th wettest. Across the month the normal high rises 2°F, from 56°F on April 1 to 58°F on April 30. From one year to the next April's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 47°F and 50°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 69%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 56°F | 38°F | 69% | 46% |
| April 8 | 57°F | 38°F | 67% | 44% |
| April 15 | 57°F | 39°F | 62% | 40% |
| April 22 | 58°F | 40°F | 58% | 34% |
| April 30 | 58°F | 42°F | 54% | 30% |
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 | 56°F | 38°F | 69% | 46% | 12 h 40 min |
| April 2 | 56°F | 38°F | 69% | 46% | 12 h 40 min |
| April 3 | 57°F | 38°F | 68% | 46% | 12 h 50 min |
| April 4 | 57°F | 38°F | 68% | 46% | 12 h 50 min |
| April 5 | 57°F | 38°F | 68% | 45% | 12 h 50 min |
| April 6 | 57°F | 38°F | 67% | 45% | 13 h |
| April 7 | 57°F | 38°F | 67% | 45% | 13 h |
| April 8 | 57°F | 38°F | 67% | 44% | 13 h |
| April 9 | 57°F | 38°F | 66% | 43% | 13 h |
| April 10 | 57°F | 38°F | 66% | 43% | 13 h 10 min |
| April 11 | 57°F | 38°F | 65% | 42% | 13 h 10 min |
| April 12 | 57°F | 38°F | 64% | 42% | 13 h 10 min |
| April 13 | 57°F | 39°F | 64% | 41% | 13 h 20 min |
| April 14 | 57°F | 39°F | 63% | 40% | 13 h 20 min |
| April 15 | 57°F | 39°F | 62% | 40% | 13 h 20 min |
| April 16 | 57°F | 39°F | 62% | 39% | 13 h 20 min |
| April 17 | 57°F | 39°F | 61% | 38% | 13 h 30 min |
| April 18 | 57°F | 39°F | 60% | 37% | 13 h 30 min |
| April 19 | 57°F | 39°F | 59% | 37% | 13 h 30 min |
| April 20 | 57°F | 40°F | 59% | 36% | 13 h 40 min |
| April 21 | 58°F | 40°F | 58% | 35% | 13 h 40 min |
| April 22 | 58°F | 40°F | 58% | 34% | 13 h 40 min |
| April 23 | 58°F | 40°F | 57% | 34% | 13 h 40 min |
| April 24 | 58°F | 40°F | 57% | 33% | 13 h 50 min |
| April 25 | 58°F | 41°F | 56% | 33% | 13 h 50 min |
| April 26 | 58°F | 41°F | 56% | 32% | 13 h 50 min |
| April 27 | 58°F | 41°F | 55% | 32% | 13 h 50 min |
| April 28 | 58°F | 41°F | 55% | 31% | 14 h |
| April 29 | 58°F | 41°F | 54% | 30% | 14 h |
| April 30 | 58°F | 42°F | 54% | 30% | 14 h |
- Normal high
- 57°FApril average
- Normal low
- 39°FApril average
- Precipitation
- 5.50 inmonth total
- Days with precipitation
- 190.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 12 h 40 min to 14 hApril 1 to April 30
- Days at 70°F or more
- 1
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004141; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Coos Bay in April?
On a given April day the chance of 0.01 inch or more is 62% on average, highest around April 1 (69%). In all, 5.50 in falls on 19 days of a normal April, 1 of them with an inch or more.
In a normal April in Coos Bay, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004141.
What are the records for April in Coos Bay?
The April mean against the 1991-2020 normal of 48.1°F: 2021 47.1°F (−1.0), 2022 45.4°F (−2.7), 2024 47.8°F (−0.3), 2025 48.2°F (+0.1), 2026 49.9°F (+1.8). 2 of 5 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 47.1°F | −1.0°F | 1.73 in |
| 2022 | 45.4°F | −2.7°F | 7.54 in |
| 2024 | 47.8°F | −0.3°F | 3.19 in |
| 2025 | 48.2°F | +0.1°F | 1.89 in |
| 2026 | 49.9°F | +1.8°F | 0.00 in |
Source: recent months: ACIS, station USW00004141. Records and recent months use complete months only.
How does April in Coos Bay compare across Oregon?
Across the 105 places PlainClimate covers in Oregon, April normal highs run from 45°F in Government Camp to 67°F in Cave Junction; Coos Bay's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.