Olympia weather in April: Olympia, Washington: normal highs, lows, rain and records for April
Olympia in April has a normal high of 59°F and a normal low of 38°F, a daily mean of 48°F, rising from 56°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 16 days in a normal April, 3.67 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 3°C, 93 mm of precipitation in April.
- NOAA stationOlympia Airport
- Station IDUSW00024227
- Location46.97°N 122.90°W
- Elevation188 ft (57 m)
- Population56,271
- Jan 46° 33°
- Feb 49° 32°
- Mar 54° 35°
- Apr 59° 38°
- May 66° 43°
- Jun 71° 47°
- Jul 78° 51°
- Aug 78° 51°
- Sep 72° 46°
- Oct 60° 41°
- Nov 51° 36°
- Dec 45° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Olympia in April?
The normal high is 59°F and the normal low 38°F, for a daily mean of 48.2°F. April is 4.1°F warmer than March and 6.3°F cooler than May. April is the 7th warmest month of the year in Olympia and the 7th wettest. Across the month the normal high rises 7°F, from 56°F on April 1 to 63°F on April 30. From one year to the next April's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 46°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 58%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 56°F | 36°F | 58% | 36% |
| April 8 | 57°F | 37°F | 57% | 35% |
| April 15 | 59°F | 37°F | 54% | 32% |
| April 22 | 60°F | 38°F | 50% | 30% |
| April 30 | 63°F | 40°F | 46% | 27% |
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 | 36°F | 58% | 36% | 12 h 50 min |
| April 2 | 56°F | 36°F | 58% | 36% | 12 h 50 min |
| April 3 | 56°F | 36°F | 58% | 36% | 12 h 50 min |
| April 4 | 57°F | 36°F | 58% | 36% | 13 h |
| April 5 | 57°F | 36°F | 58% | 35% | 13 h |
| April 6 | 57°F | 36°F | 57% | 35% | 13 h |
| April 7 | 57°F | 37°F | 57% | 35% | 13 h 10 min |
| April 8 | 57°F | 37°F | 57% | 35% | 13 h 10 min |
| April 9 | 57°F | 37°F | 56% | 34% | 13 h 10 min |
| April 10 | 58°F | 37°F | 56% | 34% | 13 h 20 min |
| April 11 | 58°F | 37°F | 56% | 34% | 13 h 20 min |
| April 12 | 58°F | 37°F | 55% | 34% | 13 h 20 min |
| April 13 | 58°F | 37°F | 55% | 33% | 13 h 30 min |
| April 14 | 58°F | 37°F | 54% | 33% | 13 h 30 min |
| April 15 | 59°F | 37°F | 54% | 32% | 13 h 30 min |
| April 16 | 59°F | 37°F | 53% | 32% | 13 h 40 min |
| April 17 | 59°F | 38°F | 53% | 32% | 13 h 40 min |
| April 18 | 59°F | 38°F | 52% | 31% | 13 h 40 min |
| April 19 | 60°F | 38°F | 52% | 31% | 13 h 50 min |
| April 20 | 60°F | 38°F | 51% | 31% | 13 h 50 min |
| April 21 | 60°F | 38°F | 51% | 30% | 13 h 50 min |
| April 22 | 60°F | 38°F | 50% | 30% | 13 h 50 min |
| April 23 | 61°F | 38°F | 50% | 29% | 14 h |
| April 24 | 61°F | 39°F | 49% | 29% | 14 h |
| April 25 | 61°F | 39°F | 49% | 29% | 14 h |
| April 26 | 61°F | 39°F | 48% | 28% | 14 h 10 min |
| April 27 | 62°F | 39°F | 48% | 28% | 14 h 10 min |
| April 28 | 62°F | 39°F | 47% | 28% | 14 h 10 min |
| April 29 | 62°F | 39°F | 46% | 27% | 14 h 20 min |
| April 30 | 63°F | 40°F | 46% | 27% | 14 h 20 min |
- Normal high
- 59°FApril average
- Normal low
- 38°FApril average
- Precipitation
- 3.67 inmonth total
- Days with precipitation
- 160.01 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
- 3
- Days at 80°F or more
- 1
- Sunshine
- 62%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024227; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Olympia in April?
On a given April day the chance of 0.01 inch or more is 53% on average, highest around April 1 (58%). In all, 3.67 in falls on 16 days of a normal April.
In a normal April in Olympia, 6 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024227.
How humid and windy is Olympia in April?
At 3 p.m. the normal temperature is 61°F with 50% relative humidity and a dew point of 42°F; at 6 a.m. it is 44°F with 92% humidity. The wind averages 6.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 44°F | 41°F | 92% | 3.9 mph | 37% |
| 9 a.m. | 52°F | 43°F | 72% | 7.1 mph | 33% |
| noon | 58°F | 43°F | 57% | 8.2 mph | 34% |
| 3 p.m. | 61°F | 42°F | 50% | 8.8 mph | 40% |
| 6 p.m. | 58°F | 42°F | 55% | 8.3 mph | 43% |
| 9 p.m. | 50°F | 42°F | 74% | 4.8 mph | 52% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024227. 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 Olympia?
The warmest April temperature on Olympia's official record (since 1948) is 88°F, on April 18, 2016; the coldest is 23°F, on April 8, 1975. The wettest April brought 7.80 in (1991); the snowiest, 2.2 inches (1972).
The April mean against the 1991-2020 normal of 48.2°F: 2021 49.2°F (+1.0), 2022 44.3°F (−4.0), 2023 46.3°F (−1.9), 2024 48.6°F (+0.4), 2025 49.1°F (+0.9), 2026 49.6°F (+1.4). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.2°F | +1.0°F | 0.92 in |
| 2022 | 44.3°F | −4.0°F | 5.35 in |
| 2023 | 46.3°F | −1.9°F | 6.21 in |
| 2024 | 48.6°F | +0.4°F | 2.46 in |
| 2025 | 49.1°F | +0.9°F | 2.43 in |
| 2026 | 49.6°F | +1.4°F | 2.17 in |
Source: records: ACIS, NWS threaded record OLMthr; recent months: ACIS, station USW00024227. Records and recent months use complete months only.
How does April in Olympia 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; Olympia's is 59°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.