Summerlin South weather in March

In March, Summerlin South sees average daytime highs of 67°F and overnight lows near 46°F, with 0.6 in of rain across 3.2 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 62°F in the first days to 70°F by the end. The sky is clear or mostly clear about 53% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Summerlin South's 10th-clearest and 4th-windiest month. For the whole year in context, see Summerlin South's year-round climate.

Daytime high
67°
8th warmest
Overnight low
46°
5th coldest
Rainfall
0.6 in
3.2 wet days
Daylight
11 h 42 min
6:00 AM – 5:42 PM
Cloud cover
39%
10th clearest
Wind
6 mph
4th windiest
Solar energy
5.78 kWh/m²
Travel score
7.4
out of 10

Summerlin South is census designated place in Clark County, Nevada, United States.

Density
964/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 62°F in the first days to 70°F by the end.

A typical March day in Summerlin South reaches about 67°F in the afternoon and slips back to 46°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 77°F. Set against its neighbours, March runs about 8°F warmer than February and about 7°F cooler than April.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16242
26242
36243
46343
56343
66444
76444
86544
96545
106645
116645
126646
136746
146746
156746
166846
176847
186847
196847
206947
216947
226947
236947
246947
256948
266948
276948
287048
297048
307048
317048

How March really feels in Summerlin South

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Summerlin South weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan55° / 38°0.83.69.84.4
Feb59° / 40°1.14.310.65.5
Mar67° / 46°0.63.211.77.4
Apr74° / 52°0.3212.98.5
May84° / 60°0.21.213.97.2
Jun94° / 69°0.10.414.43.6
Jul99° / 75°0.32.714.21.6
Aug98° / 74°0.52.713.42.2
Sep90° / 67°0.31.412.25.1
Oct77° / 55°0.31.711.18.5
Nov64° / 44°0.41.510.17.1
Dec54° / 37°0.82.99.64.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26931
36832
46832
56931
66832
76931
86931
96931
106931
116931
126931
136931
146931
156931
166832
176931
186931
196931
206931
217129
227129
237129
247228
257228
267327
277327
287426
297426
307426
317525

Chance of precipitation in March

Any precipitation

Summerlin South gets around 0.6 in of rain over 3.2 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 16% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
116
215
315
414
514
613
713
812
912
1011
1111
1211
1311
1411
1511
1611
1711
1810
1910
2010
2110
2210
2310
2410
259
269
279
289
298
308
318

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 6 mph in March.

Across March, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 6:20 AM to 5:37 AM, and sunset from 5:29 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:205:29
211.26:195:30
311.26:185:31
411.36:165:32
511.36:155:32
611.36:145:33
711.46:125:34
811.46:115:35
911.46:105:36
1011.56:085:37
1111.56:075:38
1211.66:055:39
1311.66:045:40
1411.66:025:41
1511.76:015:42
1611.76:005:42
1711.85:585:43
1811.85:575:44
1911.85:555:45
2011.95:545:46
2111.95:525:47
2212.05:515:48
2312.05:495:49
2412.05:485:49
2512.15:465:50
2612.15:455:51
2712.15:435:52
2812.25:425:53
2912.25:405:54
3012.35:395:55
3112.35:375:55

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.78 kWh/m².

For context, solar energy here swings from a low near 2.94 kWh/m² to a high of 8.61 kWh/m² in June across the year — March's 5.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.1Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.4Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
206.0Bright
216.0Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.3Intense
276.3Intense
286.4Intense
296.5Intense
306.5Intense
316.6Intense
Planning a trip in March

Is March a good time to visit Summerlin South?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.4
Sightseeing
3rd-best month of the year
3.5
Beach & pool
8th-best month of the year

March is one of the better times to visit Summerlin South for general sightseeing.

What to pack for Summerlin South in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Summerlin South sees daytime highs around 67°F and nights near 46°F. Worth packing: a warm layer and sun protection. About 3 days see rain.

a warm layersun protection

UV index in Summerlin South in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Summerlin South peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate
Location & terrain

Where is Summerlin South?

Summerlin South sits at 36.1°N, 115.3°W, 3,570 ft above sea level, in United States. The nearest listed city is Spring Valley, 5.0 mi away.

Topography around Summerlin South

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Summerlin South.

Within 2 miles, the terrain around Summerlin South has significant variations in elevation — a maximum elevation change of 1,165 ft around an average of 2,917 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,043 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,188 ft.

The land around Summerlin South is covered by artificial surfaces (55%) and bare terrain (33%) within 2 miles, bare terrain (41%) and artificial surfaces (38%) within 10 miles, and bare terrain (67%) within 50 miles.

2 miles
1,165 ft
10 miles
6,043 ft
50 miles
11,188 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
March weather nearby: Spring Valley 5.0 mi · Enterprise 8.1 mi · Paradise 11 mi · Las Vegas 11 mi · Winchester 12 mi · North Las Vegas 13 mi · Sunrise Manor 16 mi · Whitney 16 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Summerlin South (36.1171°, -115.33°, elevation 3,570 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).