Richland weather in April: Richland, Washington: normal highs, lows, rain and records for April
Richland in April has a normal high of 65°F and a normal low of 41°F, a daily mean of 53°F, rising from 61°F on the 1st to 70°F by the 30th. Measurable precipitation falls on 7 days in a normal April, 0.62 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 5°C, 16 mm of precipitation in April.
- NOAA stationRichland
- Station IDUSC00457015
- Location46.31°N 119.26°W
- Elevation373 ft (114 m)
- Population64,372
- Jan 41° 29°
- Feb 48° 30°
- Mar 57° 35°
- Apr 65° 41°
- May 74° 48°
- Jun 80° 54°
- Jul 89° 60°
- Aug 88° 59°
- Sep 79° 51°
- Oct 64° 42°
- Nov 49° 34°
- Dec 40° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Richland in April?
The normal high is 65°F and the normal low 41°F, for a daily mean of 53.0°F. April is 6.9°F warmer than March and 8.1°F cooler than May. April is the 6th warmest month of the year in Richland and the 7th wettest. Across the month the normal high rises 9°F, from 61°F on April 1 to 70°F on April 30. From one year to the next April's mean temperature typically moves about 2.1°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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 61°F | 39°F | 26% | 8% |
| April 8 | 63°F | 40°F | 25% | 7% |
| April 15 | 65°F | 41°F | 24% | 7% |
| April 22 | 67°F | 42°F | 22% | 7% |
| April 30 | 70°F | 44°F | 22% | 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 | 61°F | 39°F | 26% | 8% | 12 h 50 min |
| April 2 | 61°F | 39°F | 26% | 8% | 12 h 50 min |
| April 3 | 62°F | 39°F | 26% | 8% | 12 h 50 min |
| April 4 | 62°F | 39°F | 25% | 8% | 13 h |
| April 5 | 62°F | 39°F | 25% | 7% | 13 h |
| April 6 | 62°F | 39°F | 25% | 7% | 13 h |
| April 7 | 63°F | 40°F | 25% | 7% | 13 h |
| April 8 | 63°F | 40°F | 25% | 7% | 13 h 10 min |
| April 9 | 63°F | 40°F | 25% | 7% | 13 h 10 min |
| April 10 | 63°F | 40°F | 25% | 7% | 13 h 10 min |
| April 11 | 64°F | 40°F | 25% | 7% | 13 h 20 min |
| April 12 | 64°F | 40°F | 24% | 7% | 13 h 20 min |
| April 13 | 64°F | 40°F | 24% | 7% | 13 h 20 min |
| April 14 | 65°F | 41°F | 24% | 7% | 13 h 30 min |
| April 15 | 65°F | 41°F | 24% | 7% | 13 h 30 min |
| April 16 | 65°F | 41°F | 24% | 7% | 13 h 30 min |
| April 17 | 65°F | 41°F | 23% | 7% | 13 h 40 min |
| April 18 | 66°F | 41°F | 23% | 7% | 13 h 40 min |
| April 19 | 66°F | 42°F | 23% | 7% | 13 h 40 min |
| April 20 | 66°F | 42°F | 23% | 7% | 13 h 50 min |
| April 21 | 67°F | 42°F | 23% | 7% | 13 h 50 min |
| April 22 | 67°F | 42°F | 22% | 7% | 13 h 50 min |
| April 23 | 67°F | 42°F | 22% | 7% | 14 h |
| April 24 | 68°F | 43°F | 22% | 7% | 14 h |
| April 25 | 68°F | 43°F | 22% | 7% | 14 h |
| April 26 | 68°F | 43°F | 22% | 7% | 14 h |
| April 27 | 69°F | 43°F | 22% | 7% | 14 h 10 min |
| April 28 | 69°F | 44°F | 22% | 7% | 14 h 10 min |
| April 29 | 69°F | 44°F | 22% | 7% | 14 h 10 min |
| April 30 | 70°F | 44°F | 22% | 7% | 14 h 20 min |
- Normal high
- 65°FApril average
- Normal low
- 41°FApril average
- Precipitation
- 0.62 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 12 h 50 min to 14 h 20 minApril 1 to April 30
- Days at 70°F or more
- 8
- Days at 80°F or more
- 1
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00457015; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Richland in April?
On a given April day the chance of 0.01 inch or more is 24% on average, highest around April 1 (26%). In all, 0.62 in falls on 7 days of a normal April.
In a normal April in Richland, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00457015.
What are the records for April in Richland?
The warmest April temperature on this station's record (since 1944) is 92°F, on April 27, 1947; the coldest is 23°F, on April 3, 1972. The wettest April brought 1.60 in (2022).
The April mean against the 1991-2020 normal of 53.0°F: 2021 54.6°F (+1.6), 2022 47.6°F (−5.4), 2023 51.4°F (−1.6), 2024 53.3°F (+0.3), 2025 54.3°F (+1.3), 2026 54.2°F (+1.2). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.6°F | +1.6°F | 0.00 in |
| 2022 | 47.6°F | −5.4°F | 1.60 in |
| 2023 | 51.4°F | −1.6°F | 0.53 in |
| 2024 | 53.3°F | +0.3°F | 0.13 in |
| 2025 | 54.3°F | +1.3°F | 0.66 in |
| 2026 | 54.2°F | +1.2°F | 1.13 in |
Source: records: ACIS, station USC00457015; recent months: ACIS, station USC00457015. Records and recent months use complete months only.
How does April in Richland 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; Richland's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.