Slidell weather in June: Slidell, Louisiana: normal highs, lows, rain and records for June

Slidell in June has a normal high of 90°F and a normal low of 71°F, a daily mean of 80°F, rising from 88°F on the 1st to 91°F by the 30th. Measurable precipitation falls on 12 days in a normal June, 6.11 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 22°C, 155 mm of precipitation in June.

  • NOAA stationSlidell Airport
  • Station IDUSW00053865
  • Location30.34°N 89.82°W
  • Elevation27 ft (8 m)
  • Population28,440
  1. Jan 62° 41°
  2. Feb 66° 44°
  3. Mar 72° 50°
  4. Apr 78° 56°
  5. May 85° 64°
  6. Jun 90° 71°
  7. Jul 91° 73°
  8. Aug 91° 73°
  9. Sep 88° 69°
  10. Oct 81° 57°
  11. Nov 71° 47°
  12. Dec 64° 43°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Slidell in June?

The normal high is 90°F and the normal low 71°F, for a daily mean of 80.3°F. June is 6.0°F warmer than May and 1.8°F cooler than July. June is the 3rd warmest month of the year in Slidell and the 3rd wettest. Across the month the normal high rises 3°F, from 88°F on June 1 to 91°F on June 30. From one year to the next June's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Junes in three average between 79°F and 82°F.

Slidell in June, day by day: normal high and low

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 44%).

Normal high and low on five days of June, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
June 188°F68°F35%22%
June 889°F70°F38%24%
June 1590°F71°F40%25%
June 2290°F72°F42%27%
June 3091°F73°F44%28%
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 29, coldest night June 1)
Slidell: NOAA 1991-2020 daily normals for each day of June
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
June 188°F68°F35%22%14 h
June 288°F69°F35%23%14 h
June 389°F69°F36%23%14 h
June 489°F69°F36%23%14 h
June 589°F69°F37%24%14 h
June 689°F69°F37%24%14 h
June 789°F70°F37%24%14 h
June 889°F70°F38%24%14 h
June 989°F70°F38%24%14 h
June 1089°F70°F38%25%14 h
June 1190°F70°F39%25%14 h
June 1290°F71°F39%25%14 h
June 1390°F71°F39%25%14 h
June 1490°F71°F40%25%14 h 10 min
June 1590°F71°F40%25%14 h 10 min
June 1690°F71°F40%26%14 h 10 min
June 1790°F71°F41%26%14 h 10 min
June 1890°F72°F41%26%14 h 10 min
June 1990°F72°F41%26%14 h 10 min
June 2090°F72°F42%26%14 h 10 min
June 2190°F72°F42%27%14 h 10 min
June 2290°F72°F42%27%14 h 10 min
June 2390°F72°F43%27%14 h 10 min
June 2490°F72°F43%27%14 h 10 min
June 2590°F72°F43%27%14 h 10 min
June 2691°F72°F43%28%14 h 10 min
June 2791°F72°F43%28%14 h 10 min
June 2891°F73°F44%28%14 h 10 min
June 2991°F73°F44%28%14 h 10 min
June 3091°F73°F44%28%14 h 10 min
Normal high
90°FJune average
Normal low
71°FJune average
Precipitation
6.11 inmonth total
Days with precipitation
120.01 inch or more
Days at 90°F or more
17
Daylight
14 h to 14 h 10 minJune 1 to June 30
Days at 70°F or more
30
Days at 80°F or more
30
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00053865; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Slidell in June?

On a given June day the chance of 0.01 inch or more is 40% on average, highest around June 30 (44%). In all, 6.11 in falls on 12 days of a normal June, 2 of them with an inch or more.

In a normal June in Slidell, 17 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053865.

What are the records for June in Slidell?

The warmest June temperature on this station's record (since 1994) is 103°F, on June 4, 2011; the coldest is 55°F, on June 13, 1995. The wettest June brought 22.79 in (2001).

The June mean against the 1991-2020 normal of 80.3°F: 2021 81.2°F (+0.9), 2022 83.8°F (+3.5), 2023 83.3°F (+3.0), 2024 83.0°F (+2.7), 2025 80.8°F (+0.5), 2026 81.4°F (+1.1). 6 of 6 ran warmer than normal.

Slidell: June in recent years against the 1991-2020 normal
JuneMeanAgainst normalPrecip.
202181.2°F+0.9°F14.40 in
202283.8°F+3.5°F1.92 in
202383.3°F+3.0°F4.04 in
202483.0°F+2.7°F4.47 in
202580.8°F+0.5°F4.64 in
202681.4°F+1.1°F8.99 in

Source: records: ACIS, station USW00053865; recent months: ACIS, station USW00053865. Records and recent months use complete months only.

How does June in Slidell compare across Louisiana?

Across the 65 places PlainClimate covers in Louisiana, June normal highs run from 87°F in Boyce to 92°F in Natchitoches; Slidell's is 90°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places