Olathe weather in April: Olathe, Kansas: normal highs, lows, rain and records for April
Olathe in April has a normal high of 65°F and a normal low of 45°F, a daily mean of 55°F, rising from 61°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 3.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 7°C, 98 mm of precipitation in April.
- NOAA stationOlathe Johnson County Exec Airport
- Station IDUSW00003967
- Location38.85°N 94.74°W
- Elevation1,070 ft (326 m)
- Population149,035
- Jan 39° 21°
- Feb 44° 25°
- Mar 55° 35°
- Apr 65° 45°
- May 74° 55°
- Jun 83° 65°
- Jul 88° 69°
- Aug 87° 67°
- Sep 78° 59°
- Oct 67° 47°
- Nov 53° 35°
- Dec 42° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Olathe in April?
The normal high is 65°F and the normal low 45°F, for a daily mean of 54.8°F. April is 9.7°F warmer than March and 9.8°F cooler than May. April is the 7th warmest month of the year in Olathe and the 5th wettest. Across the month the normal high rises 8°F, from 61°F on April 1 to 69°F on April 30. From one year to the next April's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 52°F and 58°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 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 61°F | 40°F | 32% | 18% |
| April 8 | 63°F | 43°F | 34% | 20% |
| April 15 | 65°F | 45°F | 36% | 22% |
| April 22 | 67°F | 47°F | 38% | 24% |
| April 30 | 69°F | 49°F | 39% | 26% |
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 | 40°F | 32% | 18% | 12 h 40 min |
| April 2 | 61°F | 41°F | 32% | 19% | 12 h 40 min |
| April 3 | 62°F | 41°F | 33% | 19% | 12 h 40 min |
| April 4 | 62°F | 41°F | 33% | 19% | 12 h 40 min |
| April 5 | 62°F | 42°F | 33% | 19% | 12 h 50 min |
| April 6 | 62°F | 42°F | 33% | 19% | 12 h 50 min |
| April 7 | 63°F | 42°F | 33% | 20% | 12 h 50 min |
| April 8 | 63°F | 43°F | 34% | 20% | 12 h 50 min |
| April 9 | 63°F | 43°F | 34% | 20% | 13 h |
| April 10 | 64°F | 43°F | 34% | 21% | 13 h |
| April 11 | 64°F | 43°F | 34% | 21% | 13 h |
| April 12 | 64°F | 44°F | 35% | 21% | 13 h |
| April 13 | 64°F | 44°F | 35% | 21% | 13 h 10 min |
| April 14 | 65°F | 44°F | 35% | 22% | 13 h 10 min |
| April 15 | 65°F | 45°F | 36% | 22% | 13 h 10 min |
| April 16 | 65°F | 45°F | 36% | 22% | 13 h 10 min |
| April 17 | 65°F | 45°F | 36% | 23% | 13 h 20 min |
| April 18 | 66°F | 46°F | 36% | 23% | 13 h 20 min |
| April 19 | 66°F | 46°F | 37% | 23% | 13 h 20 min |
| April 20 | 66°F | 46°F | 37% | 24% | 13 h 20 min |
| April 21 | 66°F | 46°F | 37% | 24% | 13 h 20 min |
| April 22 | 67°F | 47°F | 38% | 24% | 13 h 30 min |
| April 23 | 67°F | 47°F | 38% | 25% | 13 h 30 min |
| April 24 | 67°F | 47°F | 38% | 25% | 13 h 30 min |
| April 25 | 67°F | 48°F | 38% | 25% | 13 h 30 min |
| April 26 | 68°F | 48°F | 38% | 25% | 13 h 40 min |
| April 27 | 68°F | 48°F | 39% | 26% | 13 h 40 min |
| April 28 | 68°F | 49°F | 39% | 26% | 13 h 40 min |
| April 29 | 68°F | 49°F | 39% | 26% | 13 h 40 min |
| April 30 | 69°F | 49°F | 39% | 26% | 13 h 50 min |
- Normal high
- 65°FApril average
- Normal low
- 45°FApril average
- Precipitation
- 3.87 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003967; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Olathe in April?
On a given April day the chance of 0.01 inch or more is 36% on average, highest around April 30 (39%). In all, 3.87 in falls on 11 days of a normal April, 1 of them with an inch or more.
In a normal April in Olathe, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003967.
What are the records for April in Olathe?
The warmest April temperature on this station's record (since 1996) is 92°F, on April 25, 2012; the coldest is 17°F, on April 4, 2018. The wettest April brought 7.22 in (2026).
The April mean against the 1991-2020 normal of 54.8°F: 2021 54.8°F (at normal), 2022 54.6°F (−0.2), 2023 56.6°F (+1.8), 2025 57.5°F (+2.7), 2026 60.8°F (+6.0). 3 of 5 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.8°F | at normal | 3.60 in |
| 2022 | 54.6°F | −0.2°F | 3.07 in |
| 2023 | 56.6°F | +1.8°F | 0.84 in |
| 2025 | 57.5°F | +2.7°F | 4.49 in |
| 2026 | 60.8°F | +6.0°F | 7.22 in |
Source: records: ACIS, station USW00003967; recent months: ACIS, station USW00003967. Records and recent months use complete months only.
How does April in Olathe compare across Kansas?
Across the 137 places PlainClimate covers in Kansas, April normal highs run from 63°F in Baileyville to 73°F in Coldwater; Olathe's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.