Solarposition.org

Colonia · Uruguay · 34.46° S · 57.84° W

Solar position in Colonia del Sacramento

Sun position, daylight and the best solar panel angle for Colonia del Sacramento — computed for 34.46° S, 57.84° W, 30 m above sea level.

Sunrise today05:58105° ESE
Sunset today19:13255° WSW
Best panel angle29°year-round, facing north
Off-grid angle59°best for the darkest month

The sun right now

Azimuth180.0°
Elevation67.4°
At solar noon, 12:35Open on the sun map

Sun in Colonia del Sacramento today

Saturday, 24 October 2026 · local time UTC−3

EventTimeDirection / height
Astronomical dawn04:28sun 18° below horizon
Nautical dawn05:0112° below
Civil dawn05:326° below
Sunrise05:58105° ESE
Golden hour ends06:32sun 6° up
Solar noon12:3567.4° high
Golden hour starts18:39sun 6° up
Sunset19:13255° WSW
Civil dusk19:396° below
Nautical dusk20:1012° below
Astronomical dusk20:4318° below
Day length13 h 15 min

Sun path diagram for Colonia del Sacramento

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 solstice91011121314151617EquinoxDecember solstice678910111213141516171819Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 32.1° at solar noon in Colonia del Sacramento; on the December solstice only 79.0°. Sunrise swings from 62° ENE in June to 119° ESE in December — a 58° 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
January06:0013:0220:0414 h 03 min75.3°
February06:3113:0419:3713 h 06 min65.9°
March06:5512:5819:0012 h 06 min55.1°
April07:1912:4918:2011 h 01 min43.5°
May07:4212:4717:5310 h 11 min35.3°
June07:5712:5317:489 h 51 min32.1°
July07:5212:5718:0310 h 11 min35.2°
August07:2412:5418:2511 h 01 min43.6°
September06:4212:4418:4712 h 05 min55.0°
October06:0112:3619:1013 h 09 min66.4°
November05:3512:3719:3914 h 05 min75.5°
December05:3512:4920:0314 h 28 min79.0°

A year of daylight in Colonia del Sacramento

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 Colonia del Sacramento

Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

29°collects the most energy over a year: 1597 kWh per kWp.

59°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 29°Best worst-month 59°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJune kWh/kWp/dayBest ÷ worst month
0°141789%1.803.3×
15°155397%2.452.4×
29° year-round best1597100%2.911.9×
30°1597100%2.941.9×
34° = latitude1593100%3.041.7×
45°154797%3.251.5×
59° off-grid best142089%3.351.3×
60°140888%3.351.3×
70°127079%3.301.4×
90°91557%2.932.2×

A fixed array in Colonia del Sacramento produces the most over a year at 29°. The design month for an off-grid system is June: at 59° it makes 3.35 kWh per kWp a day, 15% more than at 29°, and costs 11% of the yearly total. Why steep panels win winter.

Off-grid solar in Colonia del Sacramento at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 29° (year-round best).

0123456January: 3.07 (70°)3.1JanFebruary: 3.51 (70°)3.5FebMarch: 3.94 (70°)3.9MarApril: 4.01 (70°)4.0AprMay: 3.45 (70°)3.4MayJune: 3.30 (70°)3.3JunJuly: 3.28 (70°)3.3JulAugust: 3.69 (70°)3.7AugSeptember: 3.85 (70°)3.8SepOctober: 3.55 (70°)3.6OctNovember: 3.18 (70°)3.2NovDecember: 2.94 (70°)2.9Dec29°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 29°Mean temp.
January7.283.763.075.4324.6 °C
February6.344.273.515.2023.7 °C
March5.244.743.944.8521.6 °C
April3.874.754.014.1618.1 °C
May2.704.033.453.2314.4 °C
June2.253.813.302.9111.4 °C
July2.383.773.282.9810.4 °C
August3.234.273.693.6711.9 °C
September4.434.493.854.4313.8 °C
October5.594.213.554.9016.9 °C
November6.833.833.185.3320.1 °C
December7.493.582.945.4922.8 °C
Year4.79 avg4.12 avg1270 kWh1597 kWh

Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 400 Wp of panels at 70°, versus 400 Wp at 29°. The steep array is 1% smaller for the same winter. Size your own system.

Row spacing in Colonia del Sacramento

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.

4.1 mrow pitch at 70°

3.5 mrow pitch at 29°

Row spacing calculator

How Colonia del Sacramento compares in Uruguay

Against the other 30 places in Uruguay with climate data, for a fixed array at its best angle.

13thof 31 places in Uruguay for sunshine, shared: 4.79 peak sun hours a day on flat ground.

+1%solar energy a year compared with the average place in Uruguay: 1,597 against 1,584 kWh per kWp.

−2 mindaylight on the longest day, compared with Montevideo: 14 h 28 min against 14 h 30 min.

29°best year-round tilt here; across Uruguay it runs from 26° in Artigas to 29° in Montevideo.

Of the 31 places in Uruguay, Artigas gets the most sun (4.86 peak sun hours a day) and Rocha the least (4.64); Colonia del Sacramento ranks joint 13th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.94 kWh a day here, against 2.85 kWh on average in Uruguay. The shortest day lasts 9 h 51 min, +2 min compared with Montevideo.

The sunniest places in Uruguay

Solar forecast for Colonia del Sacramento, 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 Colonia del Sacramento

What is the best solar panel angle in Colonia del Sacramento?
For a fixed array facing north, the best year-round tilt in Colonia del Sacramento is 29°, worth about 1597 kWh per kWp a year. An off-grid system that has to get through June does better at about 59°.
What time is sunrise and sunset in Colonia del Sacramento today?
On 24 October 2026 the sun rises at 05:58 and sets at 19:13 local time (UTC−3), giving 13 h 15 min of daylight. Solar noon is at 12:35.
How many peak sun hours does Colonia del Sacramento get?
On a flat surface 4.8 hours a day averaged over the year, from 2.3 in June to 7.5 in December. Panels tilted at 70° receive 3.6 sun hours a day in December.
How high does the sun get in Colonia del Sacramento?
At solar noon the sun stands 32.1° above the horizon on the June solstice and 79.0° on the December solstice.
Is Colonia del Sacramento a good place for solar panels?
With 4.8 peak sun hours a day on flat ground, Colonia del Sacramento ranks joint 13th of 31 places in Uruguay for sunshine. A 1 kWp array at the best angle (29°) makes about 1,597 kWh a year here, 1% more than the average place in Uruguay.

Places near Colonia del Sacramento

All places in Uruguay

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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.