Solarposition.org

Ubon Ratchathani · Thailand · 15.19° N · 104.86° E

Solar position in Warin Chamrap

Sun position, daylight and the best solar panel angle for Warin Chamrap — computed for 15.19° N, 104.86° E, 136 m above sea level.

Sunrise today05:54102° ESE
Sunset today17:34258° WSW
Best panel angle18°year-round, facing south
Off-grid angle3°best for the darkest month

The sun right now

Azimuth180.0°
Elevation62.7°
At solar noon, 11:44Open on the sun map

Sun in Warin Chamrap today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:42sun 18° below horizon
Nautical dawn05:0712° below
Civil dawn05:326° below
Sunrise05:54102° ESE
Golden hour ends06:23sun 6° up
Solar noon11:4462.7° high
Golden hour starts17:05sun 6° up
Sunset17:34258° WSW
Civil dusk17:566° below
Nautical dusk18:2112° below
Astronomical dusk18:4718° below
Day length11 h 40 min

Sun path diagram for Warin Chamrap

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 solstice6789101112131415161718EquinoxDecember solstice7891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 81.8° at solar noon in Warin Chamrap; on the December solstice only 51.4°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° 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
January06:3012:1117:5311 h 22 min54.9°
February06:2212:1418:0611 h 44 min64.3°
March06:0412:0718:1112 h 07 min75.0°
April05:4211:5918:1512 h 33 min86.7°
May05:3011:5718:2312 h 53 min85.0°
June05:3112:0218:3313 h 02 min81.8°
July05:3912:0718:3312 h 54 min84.7°
August05:4612:0318:2012 h 34 min86.9°
September05:4911:5317:5712 h 08 min75.5°
October05:5311:4517:3611 h 43 min64.1°
November06:0511:4617:2711 h 22 min54.9°
December06:2111:5817:3511 h 14 min51.4°

A year of daylight in Warin Chamrap

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 Warin Chamrap

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

18°collects the most energy over a year: 1543 kWh per kWp.

3°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 18°Best worst-month 3°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearAugust kWh/kWp/dayBest ÷ worst month
0°148596%3.721.2×
3° off-grid best150397%3.721.2×
15° = latitude1542100%3.621.3×
18° year-round best1543100%3.581.4×
30°151498%3.331.5×
45°140391%2.891.9×
60°121979%2.312.4×
70°106369%1.882.9×
90°74448%1.143.3×

A fixed array in Warin Chamrap produces the most over a year at 18°. The design month for an off-grid system is August: at 3° it makes 3.72 kWh per kWp a day, 4% more than at 18°, and costs 3% of the yearly total. Why steep panels win winter.

Off-grid solar in Warin Chamrap at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).

0123456January: 4.66 (70°)4.7JanFebruary: 3.92 (70°)3.9FebMarch: 2.96 (70°)3.0MarApril: 2.28 (70°)2.3AprMay: 1.75 (70°)1.8MayJune: 1.58 (70°)1.6JunJuly: 1.61 (70°)1.6JulAugust: 1.88 (70°)1.9AugSeptember: 2.34 (70°)2.3SepOctober: 3.22 (70°)3.2OctNovember: 4.13 (70°)4.1NovDecember: 4.65 (70°)4.6Dec18°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 18°Mean temp.
January5.145.674.664.8524.8 °C
February5.474.823.924.7827.4 °C
March5.403.692.964.3729.8 °C
April5.722.882.284.3530.7 °C
May5.632.221.754.1228.9 °C
June5.292.011.583.8427.3 °C
July4.982.031.613.6626.5 °C
August4.702.341.883.5826.2 °C
September4.672.902.343.7226.2 °C
October5.013.943.224.2625.7 °C
November4.965.034.134.5624.9 °C
December4.885.654.654.6924.0 °C
Year5.15 avg3.59 avg1063 kWh1543 kWh

Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 740 Wp of panels at 70°, versus 330 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Warin Chamrap

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.

2.4 mrow pitch at 70°

2.5 mrow pitch at 18°

Row spacing calculator

How Warin Chamrap compares in Thailand

Against the other 294 places in Thailand with climate data, for a fixed array at its best angle.

105thof 295 places in Thailand for sunshine, shared: 5.15 peak sun hours a day on flat ground.

+2%solar energy a year compared with the average place in Thailand: 1,543 against 1,509 kWh per kWp.

+5 mindaylight on the longest day, compared with Bangkok: 13 h 02 min against 12 h 56 min.

18°best year-round tilt here; across Thailand it runs from 4° in Narathiwat to 23° in Mae Chan.

Of the 295 places in Thailand, Bangkok and 7 other places get the most sun (5.23 peak sun hours a day) and Mae Ramat the least (4.74); Warin Chamrap ranks joint 105th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.58 kWh a day here, against 1.53 kWh on average in Thailand. The shortest day lasts 11 h 14 min, −5 min compared with Bangkok.

The sunniest places in Thailand

Solar forecast for Warin Chamrap, 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 Warin Chamrap

What is the best solar panel angle in Warin Chamrap?
For a fixed array facing south, the best year-round tilt in Warin Chamrap is 18°, worth about 1543 kWh per kWp a year. An off-grid system that has to get through August does better at about 3°.
What time is sunrise and sunset in Warin Chamrap today?
On 25 October 2026 the sun rises at 05:54 and sets at 17:34 local time (UTC+7), giving 11 h 40 min of daylight. Solar noon is at 11:44.
How many peak sun hours does Warin Chamrap get?
On a flat surface 5.2 hours a day averaged over the year, from 4.7 in September to 5.7 in April. Panels tilted at 70° receive 2.0 sun hours a day in June.
How high does the sun get in Warin Chamrap?
At solar noon the sun stands 81.8° above the horizon on the June solstice and 51.4° on the December solstice.
Is Warin Chamrap a good place for solar panels?
With 5.2 peak sun hours a day on flat ground, Warin Chamrap ranks joint 105th of 295 places in Thailand for sunshine. A 1 kWp array at the best angle (18°) makes about 1,543 kWh a year here, 2% more than the average place in Thailand.

Places near Warin Chamrap

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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.