Slidell climate

Slidell Weather in April

NOAA 1991-2020 normals for Slidell, 1.6 km from Slidell

Average highs run from 73°F on April 1 to 79°F on April 30, and lows from 55°F to 61°F. Normal precipitation for the month is 5.47 in over about 8 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Slidell, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
76°F
Average low
58°F
Precipitation
5.47 in
Record high
91°FApr 24, 1999
Record low
32°FApr 9, 2000
Chance of a freeze
0%
Daylight
12 h 30 min to 13 h 19 min
Cloud cover
54%
Humidity
81%
Dew point
60°F
Wind
4.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 173°F55°F89°F 202333°F 199427%0%
Apr 273°F55°F85°F 201238°F 199627%0%
Apr 374°F55°F87°F 202336°F 202127%0%
Apr 474°F55°F86°F 202342°F 199427%0%
Apr 574°F55°F86°F 201737°F 200027%0%
Apr 674°F56°F87°F 202239°F 201127%0%
Apr 774°F56°F85°F 199938°F 199626%0%
Apr 875°F56°F86°F 201139°F 200726%0%
Apr 975°F56°F90°F 202032°F 200026%0%
Apr 1075°F56°F87°F 201137°F 200026%0%
Apr 1175°F57°F88°F 199941°F 199826%0%
Apr 1275°F57°F85°F 199944°F 199826%0%
Apr 1376°F57°F86°F 200142°F 200426%0%
Apr 1476°F57°F87°F 200139°F 200826%0%
Apr 1576°F58°F87°F 200134°F 200826%0%
Apr 1676°F58°F87°F 202236°F 200725%0%
Apr 1776°F58°F89°F 200642°F 201125%0%
Apr 1877°F58°F87°F 200635°F 199725%0%
Apr 1977°F58°F88°F 200639°F 200125%0%
Apr 2077°F59°F88°F 200639°F 201325%0%
Apr 2177°F59°F86°F 202043°F 201325%0%
Apr 2277°F59°F86°F 201144°F 202425%0%
Apr 2378°F59°F88°F 200842°F 199825%0%
Apr 2478°F60°F91°F 199940°F 201225%0%
Apr 2578°F60°F88°F 201148°F 199624%0%
Apr 2678°F60°F86°F 201145°F 200124%0%
Apr 2779°F60°F87°F 200248°F 200124%0%
Apr 2879°F61°F91°F 199945°F 201024%0%
Apr 2979°F61°F88°F 199946°F 200824%0%
Apr 3079°F61°F89°F 202447°F 199624%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Slidell, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:48 AM, sunset 7:18 PM
April 30
sunrise 6:17 AM, sunset 7:36 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00168539 (Slidell), public domain. Records: NOAA GHCN-Daily, station USW00053865, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.