Olathe, KS weather in May
Expect mild weather with frequent rain in Olathe in May, with highs near 74°F and lows near 55°F. Rain falls on about 11 days. Good for outdoor plans.
- Normal high
- 74°F
- Normal low
- 55°F
- Wet days
- 11
- 5.2 in total
- Muggy days
- 3
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 69°F | 79°F |
| Normal low | 50°F | 61°F |
| Chance of a wet day | 35% | 34% |
| Sunrise / sunset | 6:21 am / 8:11 pm | 5:56 am / 8:37 pm |
| Daylight | 13.8 h | 14.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am60°Fdew point 53°F
- 9 am66°Fdew point 54°F
- Noon72°Fdew point 55°F
- 3 pm74°Fdew point 54°F
- 6 pm72°Fdew point 54°F
- 9 pm67°Fdew point 54°F
NOAA hourly normals (local standard time) from Kansas City Downtown Airport (20 mi away); average wind 9 mph; clear or few clouds in 60% of daytime hours, mostly cloudy or overcast in 33%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more3 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in9 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 5.2 in; a dry May brings about 3.2 in and a wet one about 7.1 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202018: average high 83°F
- Coolest May2020: average high 70°F
- Wettest May2019: 13.1 in
- Driest May1998: 1.1 in
- Highest reading94°F (May 30, 1998)
- Lowest reading32°F (May 2, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 65°F | 74°F | 83°F |
| Normal low | 45°F | 55°F | 65°F |
| Wet days | 9 | 11 | 9 |
| Comfortable days | 15 | 14 | 4 |
| Daylight | 13.2 h | 14.3 h | 14.8 h |
Highs change by +9°F from April and +9°F into June.
Nearby alternatives in May
- Warmer: Branson, MO178 mi · high 79°F · 10 wet days
How Olathe ranks in May
- Normal high207th warmest of 378 cities; 3rd of 3 in Kansas
- Wet days231st driest of 378
- Comfortable days143rd most of 339
What to pack for Olathe in May
- A rain jacket or umbrella – rain on about 11 days
Heating and cooling
May has 105 heating degree days and 93 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Olathe in May?
The normal high is 74°F and the normal low is 55°F. From 1991 to 2020 the hottest May reading was 94°F (May 30, 1998).
Does it rain a lot in Olathe in May?
About 11 days in May have at least 0.01 in of precipitation, and the normal total is 5.2 in. The wettest May in 1991-2020 was in 2019 (13.1 in); the driest was in 1998 (1.1 in).
Is May a good time to visit Olathe?
May ranks 2nd of 12 months on our comfort score for Olathe (69 out of 100). It has about 14 comfortable days and about 1 day at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature and frost dates: Olathe Johnson Co Exec Airport (USW00003967), 4.8 mi ESE of the city center, 1,070 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Bonner Springs (USC00140957), 13 mi NNW of the city center, 850 ft (185 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Kansas City Downtown Airport (USW00013988), 20 mi NE of the city center, 742 ft (293 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: New Century Aircenter Arpt (724475-93909), 5.6 mi SW of the city center, 1,055 ft . Hourly observations, 1991-2020.