Solarposition.org

Rhône-Alpes · France · 45.18° N · 5.76° E

Solar position in Saint-Martin-d'Hères

Sun position, daylight and the best solar panel angle for Saint-Martin-d'Hères — computed for 45.18° N, 5.76° E, 215 m above sea level.

Sunrise today08:04106° ESE
Sunset today18:36254° WSW
Best panel angle38°year-round, facing south
Off-grid angle71°best for the darkest month

The sun right now

Azimuth180.0°
Elevation33.0°
At solar noon, 13:20Open on the sun map

Sun in Saint-Martin-d'Hères today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:25sun 18° below horizon
Nautical dawn07:0012° below
Civil dawn07:346° below
Sunrise08:04106° ESE
Golden hour ends08:45sun 6° up
Solar noon13:2033.0° high
Golden hour starts17:55sun 6° up
Sunset18:36254° WSW
Civil dusk19:076° below
Nautical dusk19:4112° below
Astronomical dusk20:1518° below
Day length10 h 32 min

Sun path diagram for Saint-Martin-d'Hères

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 solstice6789101112131415161718192021EquinoxDecember solstice910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 68.3° at solar noon in Saint-Martin-d'Hères; on the December solstice only 21.4°. Sunrise swings from 55° NE in June to 123° ESE in December — a 69° 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
January08:0812:4817:289 h 21 min25.0°
February07:2812:5018:1210 h 44 min34.4°
March06:3812:4418:5012 h 12 min45.2°
April06:4113:3520:3013 h 48 min56.8°
May06:0113:3321:0615 h 05 min65.1°
June05:4913:3821:2815 h 39 min68.3°
July06:0913:4321:1615 h 07 min65.2°
August06:4513:3920:3413 h 49 min56.8°
September07:2213:2919:3612 h 14 min45.4°
October08:0013:2118:4110 h 41 min34.1°
November07:4212:2217:029 h 19 min24.9°
December08:1212:3516:578 h 45 min21.4°

A year of daylight in Saint-Martin-d'Hères

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 Saint-Martin-d'Hères

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

38°collects the most energy over a year: 1411 kWh per kWp.

71°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 38°Best worst-month 71°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°116282%0.995.4×
15°131994%1.543.6×
30°140099%2.002.7×
38° year-round best1411100%2.202.3×
45° = latitude140199%2.342.1×
60°132294%2.541.7×
70°122787%2.581.5×
71° off-grid best121686%2.591.5×
90°95568%2.461.5×

A fixed array in Saint-Martin-d'Hères produces the most over a year at 38°. The design month for an off-grid system is December: at 71° it makes 2.59 kWh per kWp a day, 17% more than at 38°, and costs 14% of the yearly total. Why steep panels win winter.

Off-grid solar in Saint-Martin-d'Hères at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 38° (year-round best).

0123456January: 2.83 (70°)2.8JanFebruary: 3.43 (70°)3.4FebMarch: 3.77 (70°)3.8MarApril: 3.64 (70°)3.6AprMay: 3.35 (70°)3.3MayJune: 3.43 (70°)3.4JunJuly: 3.58 (70°)3.6JulAugust: 3.80 (70°)3.8AugSeptember: 3.92 (70°)3.9SepOctober: 3.34 (70°)3.3OctNovember: 2.67 (70°)2.7NovDecember: 2.58 (70°)2.6Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January snow1.493.132.832.47-0.8 °C
February snow2.343.803.433.24-0.2 °C
March3.574.233.774.063.6 °C
April4.704.163.644.467.8 °C
May5.493.903.354.5811.7 °C
June6.474.073.435.0116.3 °C
July6.574.283.585.1518.4 °C
August5.634.523.804.9218.0 °C
September4.274.583.924.4313.9 °C
October2.733.843.343.379.8 °C
November1.633.012.672.454.1 °C
December snow1.252.872.582.200.2 °C
Year3.85 avg3.87 avg1227 kWh1411 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 460 Wp of panels at 70°, versus 540 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Saint-Martin-d'Hères

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.

6.4 mrow pitch at 70°

5.3 mrow pitch at 38°

Row spacing calculator

How Saint-Martin-d'Hères compares in France

Against the other 656 places in France with climate data, for a fixed array at its best angle.

97thof 657 places in France for sunshine, shared: 3.86 peak sun hours a day on flat ground.

+12%solar energy a year compared with the average place in France: 1,411 against 1,261 kWh per kWp.

−32 mindaylight on the longest day, compared with Paris: 15 h 39 min against 16 h 11 min.

38°best year-round tilt here; across France it runs from 33° in Ajaccio to 39° in Lille.

Of the 657 places in France, Marseille 12 and 5 other places get the most sun (4.46 peak sun hours a day) and Maubeuge and one other place the least (3.10); Saint-Martin-d'Hères ranks joint 97th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.59 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 45 min, +30 min compared with Paris.

The sunniest places in France

Solar forecast for Saint-Martin-d'Hères, 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 Saint-Martin-d'Hères

What is the best solar panel angle in Saint-Martin-d'Hères?
For a fixed array facing south, the best year-round tilt in Saint-Martin-d'Hères is 38°, worth about 1411 kWh per kWp a year. An off-grid system that has to get through December does better at about 71°.
What time is sunrise and sunset in Saint-Martin-d'Hères today?
On 24 October 2026 the sun rises at 08:04 and sets at 18:36 local time (UTC+2), giving 10 h 32 min of daylight. Solar noon is at 13:20.
How many peak sun hours does Saint-Martin-d'Hères get?
On a flat surface 3.9 hours a day averaged over the year, from 1.3 in December to 6.6 in July. Panels tilted at 70° receive 2.9 sun hours a day in December.
How high does the sun get in Saint-Martin-d'Hères?
At solar noon the sun stands 68.3° above the horizon on the June solstice and 21.4° on the December solstice.
Is Saint-Martin-d'Hères a good place for solar panels?
With 3.9 peak sun hours a day on flat ground, Saint-Martin-d'Hères ranks joint 97th of 657 places in France for sunshine. A 1 kWp array at the best angle (38°) makes about 1,411 kWh a year here, 12% more than the average place in France.

Places near Saint-Martin-d'Hères

All places in France

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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.