Solarposition.org

Sucre Department · Colombia · 9.52° N · 75.58° W

Solar position in Santiago de Tolú

Sun position, daylight and the best solar panel angle for Santiago de Tolú — computed for 9.52° N, 75.58° W, 10 m above sea level.

Sunrise today05:51102° ESE
Sunset today17:41258° WSW
Best panel angle10°year-round, facing south
Off-grid angle5°best for the darkest month

The sun right now

Azimuth180.0°
Elevation68.6°
At solar noon, 11:46Open on the sun map

Sun in Santiago de Tolú today

Saturday, 24 October 2026 · local time UTC−5

EventTimeDirection / height
Astronomical dawn04:40sun 18° below horizon
Nautical dawn05:0512° below
Civil dawn05:296° below
Sunrise05:51102° ESE
Golden hour ends06:19sun 6° up
Solar noon11:4668.6° high
Golden hour starts17:13sun 6° up
Sunset17:41258° WSW
Civil dusk18:036° below
Nautical dusk18:2712° below
Astronomical dusk18:5218° below
Day length11 h 51 min

Sun path diagram for Santiago de Tolú

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 76.1° at solar noon in Santiago de Tolú; on the December solstice only 57.0°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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
January06:2312:1318:0311 h 40 min60.7°
February06:1912:1518:1211 h 53 min70.1°
March06:0512:0918:1312 h 07 min80.9°
April05:4912:0018:1212 h 23 min87.5°
May05:4111:5818:1612 h 36 min79.2°
June05:4312:0418:2412 h 41 min76.1°
July05:5012:0818:2612 h 36 min79.2°
August05:5312:0518:1612 h 23 min87.6°
September05:5111:5517:5812 h 07 min81.0°
October05:5011:4617:4211 h 52 min69.6°
November05:5811:4817:3711 h 39 min60.5°
December06:1312:0017:4711 h 34 min57.0°

A year of daylight in Santiago de Tolú

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 Santiago de Tolú

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

10°collects the most energy over a year: 1489 kWh per kWp.

5°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 10°Best worst-month 5°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearMay kWh/kWp/dayBest ÷ worst month
0°147199%3.811.2×
5° off-grid best1485100%3.751.2×
10° year-round best = latitude1489100%3.671.3×
15°1485100%3.571.3×
30°142195%3.141.6×
45°128086%2.572.0×
60°107672%1.882.6×
70°91762%1.433.3×
90°63543%1.092.8×

A fixed array in Santiago de Tolú produces the most over a year at 10°. The design month for an off-grid system is May: at 5° it makes 3.75 kWh per kWp a day, 2% more than at 10°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Santiago de Tolú at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 10° (year-round best).

012345January: 4.15 (70°)4.2JanFebruary: 3.52 (70°)3.5FebMarch: 2.66 (70°)2.7MarApril: 1.92 (70°)1.9AprMay: 1.43 (70°)1.4MayJune: 1.28 (70°)1.3JunJuly: 1.35 (70°)1.3JulAugust: 1.70 (70°)1.7AugSeptember: 2.27 (70°)2.3SepOctober: 2.72 (70°)2.7OctNovember: 3.23 (70°)3.2NovDecember: 3.99 (70°)4.0Dec10°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 10°Mean temp.
January5.325.124.154.5528.1 °C
February5.584.363.524.6029.1 °C
March5.413.322.664.3029.5 °C
April5.222.421.924.0429.2 °C
May4.841.831.433.6728.4 °C
June5.181.641.283.8728.4 °C
July5.341.721.354.0028.4 °C
August5.282.151.704.0528.1 °C
September5.062.822.274.0027.6 °C
October4.723.362.723.8427.1 °C
November4.603.983.233.8527.1 °C
December4.924.913.994.2327.6 °C
Year5.12 avg3.13 avg917 kWh1489 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 920 Wp of panels at 70°, versus 320 Wp at 10°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Santiago de Tolú

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.

2.1 mrow pitch at 70°

2.2 mrow pitch at 10°

Row spacing calculator

How Santiago de Tolú compares in Colombia

Against the other 316 places in Colombia with climate data, for a fixed array at its best angle.

80thof 317 places in Colombia for sunshine: 5.12 peak sun hours a day on flat ground.

+6%solar energy a year compared with the average place in Colombia: 1,490 against 1,407 kWh per kWp.

+17 mindaylight on the longest day, compared with Bogotá: 12 h 41 min against 12 h 23 min.

10°best year-round tilt here; across Colombia it runs from 0° in Puerto Leguízamo to 13° in San Andrés.

Of the 317 places in Colombia, Santa Marta and 3 other places get the most sun (5.54 peak sun hours a day) and Ipiales the least (3.81); Santiago de Tolú ranks 80th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.28 kWh a day here, against 1.18 kWh on average in Colombia. The shortest day lasts 11 h 34 min, −17 min compared with Bogotá.

The sunniest places in Colombia

Solar forecast for Santiago de Tolú, 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 Santiago de Tolú

What is the best solar panel angle in Santiago de Tolú?
For a fixed array facing south, the best year-round tilt in Santiago de Tolú is 10°, worth about 1489 kWh per kWp a year. An off-grid system that has to get through May does better at about 5°.
What time is sunrise and sunset in Santiago de Tolú today?
On 24 October 2026 the sun rises at 05:51 and sets at 17:41 local time (UTC−5), giving 11 h 51 min of daylight. Solar noon is at 11:46.
How many peak sun hours does Santiago de Tolú get?
On a flat surface 5.1 hours a day averaged over the year, from 4.6 in November to 5.6 in February. Panels tilted at 70° receive 1.6 sun hours a day in June.
How high does the sun get in Santiago de Tolú?
At solar noon the sun stands 76.1° above the horizon on the June solstice and 57.0° on the December solstice.
Is Santiago de Tolú a good place for solar panels?
With 5.1 peak sun hours a day on flat ground, Santiago de Tolú ranks 80th of 317 places in Colombia for sunshine. A 1 kWp array at the best angle (10°) makes about 1,490 kWh a year here, 6% more than the average place in Colombia.

Places near Santiago de Tolú

All places in Colombia

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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.