St. Louis weather in June: St. Louis, Missouri: normal highs, lows, rain and records for June
St. Louis in June has a normal high of 86°F and a normal low of 67°F, a daily mean of 77°F, rising from 82°F on the 1st to 89°F by the 30th. Measurable precipitation falls on 10 days in a normal June, 4.49 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 20°C, 114 mm of precipitation in June.
- NOAA stationSt Louis Lambert International Airport
- Station IDUSW00013994
- Location38.75°N 90.37°W
- Elevation531 ft (162 m)
- From the center11 miles
- Population279,695
- Jan 40° 24°
- Feb 46° 28°
- Mar 57° 37°
- Apr 68° 47°
- May 77° 58°
- Jun 86° 67°
- Jul 90° 71°
- Aug 88° 69°
- Sep 81° 61°
- Oct 69° 49°
- Nov 56° 37°
- Dec 45° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Louis in June?
The normal high is 86°F and the normal low 67°F, for a daily mean of 76.5°F. June is 9.0°F warmer than May and 3.9°F cooler than July. June is the 3rd warmest month of the year in St. Louis and the 3rd wettest. Across the month the normal high rises 7°F, from 82°F on June 1 to 89°F on June 30. From one year to the next June's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Junes in three average between 74°F and 79°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 82°F | 63°F | 36% | 25% |
| June 8 | 84°F | 65°F | 35% | 24% |
| June 15 | 86°F | 67°F | 34% | 23% |
| June 22 | 88°F | 69°F | 32% | 22% |
| June 30 | 89°F | 70°F | 31% | 21% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 82°F | 63°F | 36% | 25% | 14 h 40 min |
| June 2 | 82°F | 64°F | 36% | 24% | 14 h 40 min |
| June 3 | 83°F | 64°F | 36% | 24% | 14 h 40 min |
| June 4 | 83°F | 64°F | 36% | 24% | 14 h 40 min |
| June 5 | 83°F | 65°F | 35% | 24% | 14 h 40 min |
| June 6 | 84°F | 65°F | 35% | 24% | 14 h 50 min |
| June 7 | 84°F | 65°F | 35% | 24% | 14 h 50 min |
| June 8 | 84°F | 65°F | 35% | 24% | 14 h 50 min |
| June 9 | 84°F | 66°F | 35% | 24% | 14 h 50 min |
| June 10 | 85°F | 66°F | 34% | 24% | 14 h 50 min |
| June 11 | 85°F | 66°F | 34% | 24% | 14 h 50 min |
| June 12 | 85°F | 67°F | 34% | 23% | 14 h 50 min |
| June 13 | 86°F | 67°F | 34% | 23% | 14 h 50 min |
| June 14 | 86°F | 67°F | 34% | 23% | 14 h 50 min |
| June 15 | 86°F | 67°F | 34% | 23% | 14 h 50 min |
| June 16 | 86°F | 68°F | 33% | 23% | 14 h 50 min |
| June 17 | 87°F | 68°F | 33% | 23% | 14 h 50 min |
| June 18 | 87°F | 68°F | 33% | 23% | 14 h 50 min |
| June 19 | 87°F | 68°F | 33% | 22% | 14 h 50 min |
| June 20 | 87°F | 69°F | 33% | 22% | 14 h 50 min |
| June 21 | 87°F | 69°F | 32% | 22% | 14 h 50 min |
| June 22 | 88°F | 69°F | 32% | 22% | 14 h 50 min |
| June 23 | 88°F | 69°F | 32% | 22% | 14 h 50 min |
| June 24 | 88°F | 69°F | 32% | 22% | 14 h 50 min |
| June 25 | 88°F | 70°F | 32% | 22% | 14 h 50 min |
| June 26 | 88°F | 70°F | 32% | 22% | 14 h 50 min |
| June 27 | 89°F | 70°F | 32% | 22% | 14 h 50 min |
| June 28 | 89°F | 70°F | 31% | 21% | 14 h 50 min |
| June 29 | 89°F | 70°F | 31% | 21% | 14 h 50 min |
| June 30 | 89°F | 70°F | 31% | 21% | 14 h 50 min |
- Normal high
- 86°FJune average
- Normal low
- 67°FJune average
- Precipitation
- 4.49 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 11
- Daylight
- 14 h 40 min to 14 h 50 minJune 1 to June 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 25
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013994; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. Louis in June?
On a given June day the chance of 0.01 inch or more is 33% on average, highest around June 1 (36%). In all, 4.49 in falls on 10 days of a normal June, 1 of them with an inch or more.
In a normal June in St. Louis, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013994.
How humid and windy is St. Louis in June?
At 3 p.m. the normal temperature is 86°F with 49% relative humidity and a dew point of 65°F; at 6 a.m. it is 73°F with 78% humidity. The wind averages 7.8 mph, most often from the southwest in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 73°F | 66°F | 78% | 6.2 mph | 28% |
| 9 a.m. | 80°F | 66°F | 62% | 8.3 mph | – |
| noon | 85°F | 65°F | 52% | 9.2 mph | 20% |
| 3 p.m. | 86°F | 65°F | 49% | 10.0 mph | – |
| 6 p.m. | 84°F | 65°F | 53% | 9.3 mph | 23% |
| 9 p.m. | 79°F | 66°F | 64% | 7.0 mph | 43% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013994. 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 June in St. Louis?
The warmest June temperature on St. Louis's official record (since 1874) is 108°F, on June 28, 2012; the coldest is 43°F, on June 3, 1969. The wettest June brought 13.14 in (2015).
The June mean against the 1991-2020 normal of 76.5°F: 2021 78.9°F (+2.4), 2022 79.3°F (+2.8), 2023 77.2°F (+0.7), 2024 80.3°F (+3.8), 2025 78.4°F (+1.9), 2026 76.3°F (−0.2). 5 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.9°F | +2.4°F | 5.33 in |
| 2022 | 79.3°F | +2.8°F | 1.79 in |
| 2023 | 77.2°F | +0.7°F | 3.09 in |
| 2024 | 80.3°F | +3.8°F | 1.12 in |
| 2025 | 78.4°F | +1.9°F | 4.38 in |
| 2026 | 76.3°F | −0.2°F | 6.48 in |
Source: records: ACIS, NWS threaded record STLthr; recent months: ACIS, station USW00013994. Records and recent months use complete months only.
How does June in St. Louis compare across Missouri?
Across the 134 places PlainClimate covers in Missouri, June normal highs run from 80°F in Grant City to 90°F in Malden; St. Louis's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.