Solarposition.org

Tuscany · Italy · 42.76° N · 11.11° E

Solar position in Grosseto

Sun position, daylight and the best solar panel angle for Grosseto — computed for 42.76° N, 11.11° E, 10 m above sea level.

Sunrise today07:39105° ESE
Sunset today18:19254° WSW
Best panel angle35°year-round, facing south
Off-grid angle67°best for the darkest month

The sun right now

Azimuth180.0°
Elevation35.4°
At solar noon, 12:59Open on the sun map

Sun in Grosseto today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:04sun 18° below horizon
Nautical dawn06:3712° below
Civil dawn07:106° below
Sunrise07:39105° ESE
Golden hour ends08:18sun 6° up
Solar noon12:5935.4° high
Golden hour starts17:40sun 6° up
Sunset18:19254° WSW
Civil dusk18:486° below
Nautical dusk19:2112° below
Astronomical dusk19:5418° below
Day length10 h 40 min

Sun path diagram for Grosseto

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 solstice67891011121314151617181920EquinoxDecember solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 70.7° at solar noon in Grosseto; on the December solstice only 23.8°. Sunrise swings from 56° ENE in June to 122° ESE in December — a 66° 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
January07:3912:2717:149 h 34 min27.4°
February07:0412:2917:5410 h 51 min36.8°
March06:1712:2218:2812 h 11 min47.6°
April06:2413:1420:0413 h 40 min59.2°
May05:4713:1220:3714 h 50 min67.5°
June05:3713:1720:5715 h 20 min70.7°
July05:5613:2120:4714 h 51 min67.7°
August06:2813:1820:0813 h 40 min59.3°
September07:0113:0819:1412 h 13 min47.8°
October07:3512:5918:2310 h 48 min36.5°
November07:1412:0116:479 h 33 min27.3°
December07:4212:1316:449 h 02 min23.8°

A year of daylight in Grosseto

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 Grosseto

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

35°collects the most energy over a year: 1502 kWh per kWp.

67°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 35°Best worst-month 67°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°127285%1.165.1×
15°142795%1.733.4×
30°1498100%2.202.6×
35° year-round best1502100%2.322.4×
43° = latitude148899%2.492.1×
45°148099%2.522.0×
60°137892%2.691.7×
67° off-grid best130287%2.711.5×
70°126584%2.701.5×
90°95363%2.501.5×

A fixed array in Grosseto produces the most over a year at 35°. The design month for an off-grid system is December: at 67° it makes 2.71 kWh per kWp a day, 16% more than at 35°, and costs 13% of the yearly total. Why steep panels win winter.

Off-grid solar in Grosseto at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).

0123456January: 2.82 (70°)2.8JanFebruary: 3.47 (70°)3.5FebMarch: 3.81 (70°)3.8MarApril: 3.79 (70°)3.8AprMay: 3.56 (70°)3.6MayJune: 3.46 (70°)3.5JunJuly: 3.62 (70°)3.6JulAugust: 3.96 (70°)4.0AugSeptember: 4.05 (70°)4.1SepOctober: 3.58 (70°)3.6OctNovember: 2.77 (70°)2.8NovDecember: 2.70 (70°)2.7Dec35°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 35°Mean temp.
January1.703.222.822.508.4 °C
February2.633.973.473.368.6 °C
March3.854.393.814.1510.8 °C
April5.194.423.794.7713.7 °C
May6.284.233.565.1117.3 °C
June7.184.193.465.4021.8 °C
July7.344.433.625.5524.7 °C
August6.354.843.965.3524.8 °C
September4.704.874.054.6521.1 °C
October3.114.233.583.6217.4 °C
November1.883.232.772.5413.3 °C
December1.493.102.702.329.6 °C
Year4.32 avg4.09 avg1265 kWh1502 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 440 Wp of panels at 70°, versus 510 Wp at 35°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in Grosseto

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.

5.7 mrow pitch at 70°

4.7 mrow pitch at 35°

Row spacing calculator

How Grosseto compares in Italy

Against the other 596 places in Italy with climate data, for a fixed array at its best angle.

261stof 597 places in Italy for sunshine, shared: 4.32 peak sun hours a day on flat ground.

+3%solar energy a year compared with the average place in Italy: 1,502 against 1,452 kWh per kWp.

+6 mindaylight on the longest day, compared with Rome: 15 h 20 min against 15 h 14 min.

35°best year-round tilt here; across Italy it runs from 30° in Palermo to 42° in Bolzano.

Of the 597 places in Italy, Pozzallo and one other place get the most sun (4.91 peak sun hours a day) and Bressanone the least (3.51); Grosseto ranks joint 261st. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.70 kWh a day here, against 2.63 kWh on average in Italy. The shortest day lasts 9 h 02 min, −6 min compared with Rome.

The sunniest places in Italy

Solar forecast for Grosseto, 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 Grosseto

What is the best solar panel angle in Grosseto?
For a fixed array facing south, the best year-round tilt in Grosseto is 35°, worth about 1502 kWh per kWp a year. An off-grid system that has to get through December does better at about 67°.
What time is sunrise and sunset in Grosseto today?
On 24 October 2026 the sun rises at 07:39 and sets at 18:19 local time (UTC+2), giving 10 h 40 min of daylight. Solar noon is at 12:59.
How many peak sun hours does Grosseto get?
On a flat surface 4.3 hours a day averaged over the year, from 1.5 in December to 7.3 in July. Panels tilted at 70° receive 3.1 sun hours a day in December.
How high does the sun get in Grosseto?
At solar noon the sun stands 70.7° above the horizon on the June solstice and 23.8° on the December solstice.
Is Grosseto a good place for solar panels?
With 4.3 peak sun hours a day on flat ground, Grosseto ranks joint 261st of 597 places in Italy for sunshine. A 1 kWp array at the best angle (35°) makes about 1,502 kWh a year here, 3% more than the average place in Italy.

Places near Grosseto

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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.