Summerlin South climate

Summerlin South Weather in April

NOAA 1991-2020 normals for Red Rock Canyon - Spg Mt Rch S, 12.9 km from Summerlin South

Average highs run from 68°F on April 1 to 74°F on April 30, and lows from 44°F to 50°F. Normal precipitation for the month is 0.64 in over about 2 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 Summerlin South, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
70°F
Average low
47°F
Precipitation
0.64 in
Snowfall
0.1 in
Record high
99°FApr 22, 2012
Record low
31°FApr 2, 1975
Chance of a freeze
25%
Daylight
12 h 36 min to 13 h 39 min
Cloud cover
41%
Humidity
37%
Dew point
26°F
Wind
9.6 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 168°F44°F92°F 196638°F 19499%0%
Apr 268°F44°F95°F 196631°F 19759%0%
Apr 368°F44°F91°F 195931°F 19559%0%
Apr 468°F45°F94°F 196137°F 19569%0%
Apr 569°F45°F94°F 196035°F 19589%0%
Apr 669°F45°F95°F 198936°F 19559%0%
Apr 769°F45°F98°F 198937°F 19559%0%
Apr 869°F45°F98°F 198939°F 19759%0%
Apr 969°F45°F95°F 198932°F 19538%0%
Apr 1069°F46°F93°F 202538°F 19508%0%
Apr 1169°F46°F96°F 202535°F 19658%0%
Apr 1270°F46°F91°F 199032°F 19678%0%
Apr 1370°F46°F93°F 199035°F 19658%0%
Apr 1470°F46°F95°F 196238°F 19838%0%
Apr 1570°F47°F94°F 196240°F 19707%0%
Apr 1670°F47°F95°F 196239°F 19677%0%
Apr 1770°F47°F97°F 198940°F 19767%0%
Apr 1871°F47°F96°F 195435°F 19637%0%
Apr 1971°F48°F97°F 198935°F 19687%0%
Apr 2071°F48°F97°F 199434°F 19667%0%
Apr 2171°F48°F98°F 195037°F 19666%0%
Apr 2271°F48°F99°F 201233°F 19636%0%
Apr 2372°F49°F98°F 194938°F 19636%0%
Apr 2472°F49°F97°F 194939°F 19606%0%
Apr 2572°F49°F96°F 201937°F 19606%0%
Apr 2672°F49°F97°F 199642°F 19676%0%
Apr 2773°F50°F99°F 200039°F 19846%0%
Apr 2873°F50°F97°F 200739°F 19556%0%
Apr 2973°F50°F99°F 201335°F 19705%0%
Apr 3074°F50°F99°F 198138°F 19675%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Summerlin South, in percent, and of at least 0.1 inch of snowfall.02468101102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

April 1
sunrise 6:27 AM, sunset 7:03 PM
April 30
sunrise 5:49 AM, sunset 7:28 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00266691 (Red Rock Canyon - Spg Mt Rch S), public domain. Records: NOAA GHCN-Daily, station USW00023169, 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.