Solarposition.org

Nevada · United States · 36.12° N · 115.33° W

Solar position in Summerlin South

Sun position, daylight and the best solar panel angle for Summerlin South — computed for 36.12° N, 115.33° W, 1088 m above sea level.

Sunrise today06:56104° ESE
Sunset today17:53256° WSW
Best panel angle33°year-round, facing south
Off-grid angle48°best for the darkest month

The sun right now

Azimuth180.0°
Elevation41.9°
At solar noon, 12:25Open on the sun map

Sun in Summerlin South today

Saturday, 24 October 2026 · local time UTC−7

EventTimeDirection / height
Astronomical dawn05:30sun 18° below horizon
Nautical dawn06:0012° below
Civil dawn06:306° below
Sunrise06:56104° ESE
Golden hour ends07:31sun 6° up
Solar noon12:2541.9° high
Golden hour starts17:18sun 6° up
Sunset17:53256° WSW
Civil dusk18:206° below
Nautical dusk18:5012° below
Astronomical dusk19:1918° below
Day length10 h 57 min

Sun path diagram for Summerlin South

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice678910111213141516171819EquinoxDecember solstice78910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 77.3° at solar noon in Summerlin South; on the December solstice only 30.5°. Sunrise swings from 60° ENE in June to 119° ESE in December — a 59° arc along the horizon.

Sunrise, sunset and sun height by month

Values for the 21st of each month, local clock time including daylight saving time.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January06:4911:5216:5610 h 08 min34.1°
February06:2111:5517:2811 h 07 min43.6°
March06:4312:4818:5412 h 11 min54.4°
April06:0012:4019:2013 h 20 min66.0°
May05:3012:3719:4514 h 15 min74.2°
June05:2412:4320:0114 h 37 min77.3°
July05:4012:4719:5414 h 15 min74.2°
August06:0412:4419:2313 h 19 min65.8°
September06:2812:3418:3912 h 11 min54.4°
October06:5312:2517:5711 h 04 min43.0°
November06:2411:2716:2910 h 06 min33.9°
December06:4811:3916:309 h 42 min30.5°

A year of daylight in Summerlin South

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Summerlin South

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

33°collects the most energy over a year: 1960 kWh per kWp.

48°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 33°Best worst-month 48°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°166785%2.233.0×
15°187095%3.222.0×
30°1957100%4.001.5×
33° year-round best1960100%4.121.5×
36° = latitude1959100%4.241.4×
45°192598%4.511.3×
48° off-grid best190497%4.581.3×
60°177791%4.731.5×
70°161883%4.711.7×
90°118961%4.253.2×

A fixed array in Summerlin South produces the most over a year at 33°. The design month for an off-grid system is December: at 48° it makes 4.58 kWh per kWp a day, 11% more than at 33°, and costs 3% of the yearly total. Why steep panels win winter.

Off-grid solar in Summerlin South at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 33° (year-round best).

02468January: 5.03 (70°)5.0JanFebruary: 5.09 (70°)5.1FebMarch: 5.09 (70°)5.1MarApril: 4.41 (70°)4.4AprMay: 3.60 (70°)3.6MayJune: 3.17 (70°)3.2JunJuly: 3.08 (70°)3.1JulAugust: 3.74 (70°)3.7AugSeptember: 4.75 (70°)4.8SepOctober: 5.30 (70°)5.3OctNovember: 5.29 (70°)5.3NovDecember: 4.71 (70°)4.7Dec33°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 33°Mean temp.
January3.095.685.034.515.4 °C
February4.075.795.095.067.1 °C
March5.545.895.095.8011.4 °C
April6.955.184.416.0915.2 °C
May7.904.333.605.9720.8 °C
June8.553.913.175.8827.2 °C
July7.613.863.085.3630.3 °C
August7.114.643.745.5829.0 °C
September6.195.804.755.8024.9 °C
October4.736.275.305.4517.4 °C
November3.476.105.294.8410.3 °C
December2.725.304.714.124.8 °C
Year5.67 avg5.23 avg1618 kWh1960 kWh

Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 380 Wp of panels at 70°, versus 290 Wp at 33°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Summerlin South

Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.

4.3 mrow pitch at 70°

3.8 mrow pitch at 33°

Row spacing calculator

How Summerlin South compares in the United States

Against the other 3,120 places in the United States with climate data, for a fixed array at its best angle.

133rdof 3,121 places in the United States for sunshine, shared: 5.67 peak sun hours a day on flat ground.

+29%solar energy a year compared with the average place in the United States: 1,960 against 1,515 kWh per kWp.

−29 mindaylight on the longest day, compared with New York City: 14 h 37 min against 15 h 06 min.

33°best year-round tilt here; across the United States it runs from 18° in Honolulu to 53° in Fairbanks.

Of the 3,121 places in the United States, Fortuna Foothills and 2 other places get the most sun (5.96 peak sun hours a day) and Juneau the least (2.38); Summerlin South ranks joint 133rd. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 3.08 kWh a day here, against 2.55 kWh on average in the United States. The shortest day lasts 9 h 42 min, +27 min compared with New York City.

The sunniest places in the United States

Solar forecast for Summerlin South, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Summerlin South

What is the best solar panel angle in Summerlin South?
For a fixed array facing south, the best year-round tilt in Summerlin South is 33°, worth about 1960 kWh per kWp a year. An off-grid system that has to get through December does better at about 48°.
What time is sunrise and sunset in Summerlin South today?
On 24 October 2026 the sun rises at 06:56 and sets at 17:53 local time (UTC−7), giving 10 h 57 min of daylight. Solar noon is at 12:25.
How many peak sun hours does Summerlin South get?
On a flat surface 5.7 hours a day averaged over the year, from 2.7 in December to 8.6 in June. Panels tilted at 70° receive 3.9 sun hours a day in July.
How high does the sun get in Summerlin South?
At solar noon the sun stands 77.3° above the horizon on the June solstice and 30.5° on the December solstice.
Is Summerlin South a good place for solar panels?
With 5.7 peak sun hours a day on flat ground, Summerlin South ranks joint 133rd of 3,121 places in the United States for sunshine. A 1 kWp array at the best angle (33°) makes about 1,960 kWh a year here, 29% more than the average place in the United States.

Places near Summerlin South

All places in United States

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Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.