Pasco weather in April: Pasco, Washington: normal highs, lows, rain and records for April
Pasco in April has a normal high of 67°F and a normal low of 38°F, a daily mean of 53°F, rising from 63°F on the 1st to 72°F by the 30th. Measurable precipitation falls on 7 days in a normal April, 0.66 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 4°C, 17 mm of precipitation in April.
- NOAA stationPasco Tri Cities Airport
- Station IDUSW00024163
- Location46.27°N 119.12°W
- Elevation407 ft (124 m)
- Population81,724
- Jan 41° 28°
- Feb 49° 28°
- Mar 59° 33°
- Apr 67° 38°
- May 77° 46°
- Jun 83° 53°
- Jul 93° 57°
- Aug 91° 56°
- Sep 81° 48°
- Oct 66° 38°
- Nov 50° 32°
- Dec 41° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Pasco in April?
The normal high is 67°F and the normal low 38°F, for a daily mean of 52.7°F. April is 6.9°F warmer than March and 8.7°F cooler than May. April is the 6th warmest month of the year in Pasco and the 6th wettest. Across the month the normal high rises 9°F, from 63°F on April 1 to 72°F on April 30. From one year to the next April's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 51°F and 55°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 63°F | 37°F | 25% | 9% |
| April 8 | 64°F | 37°F | 24% | 8% |
| April 15 | 67°F | 38°F | 23% | 7% |
| April 22 | 69°F | 39°F | 22% | 7% |
| April 30 | 72°F | 41°F | 21% | 7% |
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 | 63°F | 37°F | 25% | 9% | 12 h 50 min |
| April 2 | 63°F | 37°F | 25% | 8% | 12 h 50 min |
| April 3 | 63°F | 37°F | 25% | 8% | 12 h 50 min |
| April 4 | 63°F | 37°F | 25% | 8% | 13 h |
| April 5 | 64°F | 37°F | 25% | 8% | 13 h |
| April 6 | 64°F | 37°F | 24% | 8% | 13 h |
| April 7 | 64°F | 37°F | 24% | 8% | 13 h |
| April 8 | 64°F | 37°F | 24% | 8% | 13 h 10 min |
| April 9 | 65°F | 37°F | 24% | 8% | 13 h 10 min |
| April 10 | 65°F | 38°F | 24% | 8% | 13 h 10 min |
| April 11 | 65°F | 38°F | 24% | 8% | 13 h 20 min |
| April 12 | 66°F | 38°F | 23% | 8% | 13 h 20 min |
| April 13 | 66°F | 38°F | 23% | 7% | 13 h 20 min |
| April 14 | 66°F | 38°F | 23% | 7% | 13 h 30 min |
| April 15 | 67°F | 38°F | 23% | 7% | 13 h 30 min |
| April 16 | 67°F | 38°F | 23% | 7% | 13 h 30 min |
| April 17 | 67°F | 38°F | 22% | 7% | 13 h 40 min |
| April 18 | 68°F | 39°F | 22% | 7% | 13 h 40 min |
| April 19 | 68°F | 39°F | 22% | 7% | 13 h 40 min |
| April 20 | 68°F | 39°F | 22% | 7% | 13 h 50 min |
| April 21 | 69°F | 39°F | 22% | 7% | 13 h 50 min |
| April 22 | 69°F | 39°F | 22% | 7% | 13 h 50 min |
| April 23 | 70°F | 39°F | 22% | 7% | 14 h |
| April 24 | 70°F | 40°F | 21% | 7% | 14 h |
| April 25 | 70°F | 40°F | 21% | 7% | 14 h |
| April 26 | 71°F | 40°F | 21% | 7% | 14 h |
| April 27 | 71°F | 40°F | 21% | 7% | 14 h 10 min |
| April 28 | 71°F | 41°F | 21% | 7% | 14 h 10 min |
| April 29 | 72°F | 41°F | 21% | 7% | 14 h 10 min |
| April 30 | 72°F | 41°F | 21% | 7% | 14 h 20 min |
- Normal high
- 67°FApril average
- Normal low
- 38°FApril average
- Precipitation
- 0.66 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 6
- Daylight
- 12 h 50 min to 14 h 20 minApril 1 to April 30
- Days at 70°F or more
- 10
- Days at 80°F or more
- 2
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024163; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Pasco in April?
On a given April day the chance of 0.01 inch or more is 23% on average, highest around April 1 (25%). In all, 0.66 in falls on 7 days of a normal April.
In a normal April in Pasco, 6 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024163.
What are the records for April in Pasco?
The warmest April temperature on this station's record (since 1945) is 94°F, on April 30, 1998; the coldest is 21°F, on April 1, 2008. The wettest April brought 1.93 in (2022).
The April mean against the 1991-2020 normal of 52.7°F: 2021 54.0°F (+1.3), 2022 48.9°F (−3.9), 2023 51.8°F (−0.9), 2024 53.4°F (+0.7), 2025 53.1°F (+0.4), 2026 53.2°F (+0.5). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.0°F | +1.3°F | 0.00 in |
| 2022 | 48.9°F | −3.9°F | 1.93 in |
| 2023 | 51.8°F | −0.9°F | 0.82 in |
| 2024 | 53.4°F | +0.7°F | 0.11 in |
| 2025 | 53.1°F | +0.4°F | 0.50 in |
| 2026 | 53.2°F | +0.5°F | 1.11 in |
Source: records: ACIS, station USW00024163; recent months: ACIS, station USW00024163. Records and recent months use complete months only.
How does April in Pasco 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; Pasco's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.