Olathe weather in May: Olathe, Kansas: normal highs, lows, rain and records for May
Olathe in May has a normal high of 74°F and a normal low of 55°F, a daily mean of 65°F, rising from 69°F on the 1st to 79°F by the 31st. Measurable precipitation falls on 12 days in a normal May, 5.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 13°C, 137 mm of precipitation in May.
- 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 May?
The normal high is 74°F and the normal low 55°F, for a daily mean of 64.6°F. May is 9.8°F warmer than April and 9.4°F cooler than June. May is the 5th warmest month of the year in Olathe and the wettest. Across the month the normal high rises 10°F, from 69°F on May 1 to 79°F on May 31. From one year to the next May's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Mays in three average between 62°F and 68°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 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 69°F | 50°F | 39% | 26% |
| May 8 | 71°F | 52°F | 40% | 27% |
| May 15 | 74°F | 55°F | 39% | 27% |
| May 22 | 76°F | 58°F | 39% | 26% |
| May 31 | 79°F | 61°F | 39% | 26% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 69°F | 50°F | 39% | 26% | 13 h 50 min |
| May 2 | 69°F | 50°F | 39% | 26% | 13 h 50 min |
| May 3 | 70°F | 51°F | 39% | 26% | 13 h 50 min |
| May 4 | 70°F | 51°F | 40% | 26% | 13 h 50 min |
| May 5 | 70°F | 51°F | 40% | 27% | 14 h |
| May 6 | 71°F | 52°F | 40% | 27% | 14 h |
| May 7 | 71°F | 52°F | 40% | 27% | 14 h |
| May 8 | 71°F | 52°F | 40% | 27% | 14 h |
| May 9 | 71°F | 53°F | 40% | 27% | 14 h |
| May 10 | 72°F | 53°F | 40% | 27% | 14 h 10 min |
| May 11 | 72°F | 53°F | 40% | 27% | 14 h 10 min |
| May 12 | 72°F | 54°F | 39% | 27% | 14 h 10 min |
| May 13 | 73°F | 54°F | 39% | 27% | 14 h 10 min |
| May 14 | 73°F | 55°F | 39% | 27% | 14 h 10 min |
| May 15 | 74°F | 55°F | 39% | 27% | 14 h 20 min |
| May 16 | 74°F | 55°F | 39% | 27% | 14 h 20 min |
| May 17 | 74°F | 56°F | 39% | 27% | 14 h 20 min |
| May 18 | 75°F | 56°F | 39% | 26% | 14 h 20 min |
| May 19 | 75°F | 56°F | 39% | 26% | 14 h 20 min |
| May 20 | 75°F | 57°F | 39% | 26% | 14 h 20 min |
| May 21 | 76°F | 57°F | 39% | 26% | 14 h 30 min |
| May 22 | 76°F | 58°F | 39% | 26% | 14 h 30 min |
| May 23 | 76°F | 58°F | 39% | 26% | 14 h 30 min |
| May 24 | 77°F | 58°F | 40% | 26% | 14 h 30 min |
| May 25 | 77°F | 59°F | 40% | 26% | 14 h 30 min |
| May 26 | 77°F | 59°F | 40% | 26% | 14 h 30 min |
| May 27 | 78°F | 59°F | 40% | 26% | 14 h 40 min |
| May 28 | 78°F | 60°F | 40% | 26% | 14 h 40 min |
| May 29 | 78°F | 60°F | 39% | 26% | 14 h 40 min |
| May 30 | 79°F | 61°F | 39% | 26% | 14 h 40 min |
| May 31 | 79°F | 61°F | 39% | 26% | 14 h 40 min |
- Normal high
- 74°FMay average
- Normal low
- 55°FMay average
- Precipitation
- 5.38 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 50 min to 14 h 40 minMay 1 to May 31
- Days at 70°F or more
- 23
- Days at 80°F or more
- 10
- Sunshine
- 73%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 May?
On a given May day the chance of 0.01 inch or more is 39% on average, highest around May 8 (40%). In all, 5.38 in falls on 12 days of a normal May, 1 of them with an inch or more.
In a normal May in Olathe, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003967.
What are the records for May in Olathe?
The warmest May temperature on this station's record (since 1996) is 93°F, on May 19, 2006; the coldest is 32°F, on May 2, 2013. The wettest May brought 10.60 in (2015).
The May mean against the 1991-2020 normal of 64.6°F: 2021 62.2°F (−2.4), 2022 66.2°F (+1.6), 2023 68.1°F (+3.5), 2024 67.0°F (+2.4), 2025 64.4°F (−0.2), 2026 65.3°F (+0.7). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.2°F | −2.4°F | 6.15 in |
| 2022 | 66.2°F | +1.6°F | 10.51 in |
| 2023 | 68.1°F | +3.5°F | 2.63 in |
| 2024 | 67.0°F | +2.4°F | 3.80 in |
| 2025 | 64.4°F | −0.2°F | 3.45 in |
| 2026 | 65.3°F | +0.7°F | 4.50 in |
Source: records: ACIS, station USW00003967; recent months: ACIS, station USW00003967. Records and recent months use complete months only.
How does May in Olathe compare across Kansas?
Across the 137 places PlainClimate covers in Kansas, May normal highs run from 72°F in Burr Oak to 81°F in Coldwater; Olathe's is 74°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.