Solarposition.org

Quebec · Canada · 45.31° N · 73.26° W

Solar position in Saint-Jean-sur-Richelieu

Sun position, daylight and the best solar panel angle for Saint-Jean-sur-Richelieu — computed for 45.31° N, 73.26° W, 32 m above sea level.

Sunrise today07:21106° ESE
Sunset today17:52254° WSW
Best panel angle38°year-round, facing south
Off-grid angle73°best for the darkest month

The sun right now

Azimuth180.0°
Elevation32.8°
At solar noon, 12:36Open on the sun map

Sun in Saint-Jean-sur-Richelieu today

Saturday, 24 October 2026 · local time UTC−4

EventTimeDirection / height
Astronomical dawn05:42sun 18° below horizon
Nautical dawn06:1612° below
Civil dawn06:516° below
Sunrise07:21106° ESE
Golden hour ends08:02sun 6° up
Solar noon12:3632.8° high
Golden hour starts17:11sun 6° up
Sunset17:52254° WSW
Civil dusk18:226° below
Nautical dusk18:5712° below
Astronomical dusk19:3118° below
Day length10 h 31 min

Sun path diagram for Saint-Jean-sur-Richelieu

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 68.1° at solar noon in Saint-Jean-sur-Richelieu; on the December solstice only 21.3°. 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
January07:2412:0416:449 h 20 min24.9°
February06:4412:0617:2910 h 44 min34.3°
March06:5413:0019:0612 h 13 min45.1°
April05:5712:5119:4613 h 49 min56.7°
May05:1612:4920:2315 h 06 min65.0°
June05:0512:5420:4415 h 40 min68.1°
July05:2512:5920:3215 h 07 min65.1°
August06:0112:5519:4913 h 48 min56.6°
September06:3812:4518:5212 h 13 min45.2°
October07:1712:3717:5710 h 40 min33.8°
November06:5911:3816:179 h 18 min24.7°
December07:2911:5116:138 h 44 min21.3°

A year of daylight in Saint-Jean-sur-Richelieu

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-Jean-sur-Richelieu

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: 1296 kWh per kWp.

73°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 38°Best worst-month 73°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°106983%0.855.5×
15°121093%1.233.9×
30°128499%1.563.0×
38° year-round best1296100%1.712.6×
45° = latitude128999%1.812.4×
60°122394%1.962.2×
70°114388%2.002.1×
73° off-grid best111486%2.012.1×
90°90970%1.942.0×

A fixed array in Saint-Jean-sur-Richelieu produces the most over a year at 38°. The design month for an off-grid system is December: at 73° it makes 2.01 kWh per kWp a day, 18% more than at 38°, and costs 14% of the yearly total. Why steep panels win winter.

Off-grid solar in Saint-Jean-sur-Richelieu at 70°

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

012345January: 2.74 (70°)2.7JanFebruary: 3.57 (70°)3.6FebMarch: 4.27 (70°)4.3MarApril: 3.46 (70°)3.5AprMay: 3.18 (70°)3.2MayJune: 3.04 (70°)3.0JunJuly: 3.17 (70°)3.2JulAugust: 3.39 (70°)3.4AugSeptember: 3.64 (70°)3.6SepOctober: 2.83 (70°)2.8OctNovember: 2.32 (70°)2.3NovDecember: 2.00 (70°)2.0Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January snow1.452.932.742.37-10.5 °C
February snow2.353.833.573.30-9.1 °C
March snow3.524.674.274.24-3.1 °C
April4.433.923.464.245.0 °C
May5.243.723.184.3612.7 °C
June5.733.643.044.4217.9 °C
July5.753.843.174.4920.9 °C
August5.064.073.394.3720.1 °C
September3.984.293.644.1016.0 °C
October2.363.242.832.868.4 °C
November1.462.592.322.141.3 °C
December snow1.052.192.001.71-6.1 °C
Year3.54 avg3.57 avg1143 kWh1296 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 590 Wp of panels at 70°, versus 690 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Saint-Jean-sur-Richelieu

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-Jean-sur-Richelieu compares in Canada

Against the other 295 places in Canada with climate data, for a fixed array at its best angle.

146thof 296 places in Canada for sunshine, shared: 3.54 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Canada: 1,296 against 1,292 kWh per kWp.

+13 mindaylight on the longest day, compared with Toronto: 15 h 40 min against 15 h 27 min.

38°best year-round tilt here; across Canada it runs from 34° in Hamilton to 52° in Yellowknife.

Of the 296 places in Canada, Medicine Hat and one other place get the most sun (3.84 peak sun hours a day) and Terrace the least (2.57); Saint-Jean-sur-Richelieu ranks joint 146th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.00 kWh a day here, against 1.88 kWh on average in Canada. The shortest day lasts 8 h 44 min, −12 min compared with Toronto.

The sunniest places in Canada

Solar forecast for Saint-Jean-sur-Richelieu, 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-Jean-sur-Richelieu

What is the best solar panel angle in Saint-Jean-sur-Richelieu?
For a fixed array facing south, the best year-round tilt in Saint-Jean-sur-Richelieu is 38°, worth about 1296 kWh per kWp a year. An off-grid system that has to get through December does better at about 73°.
What time is sunrise and sunset in Saint-Jean-sur-Richelieu today?
On 24 October 2026 the sun rises at 07:21 and sets at 17:52 local time (UTC−4), giving 10 h 31 min of daylight. Solar noon is at 12:36.
How many peak sun hours does Saint-Jean-sur-Richelieu get?
On a flat surface 3.5 hours a day averaged over the year, from 1.1 in December to 5.8 in July. Panels tilted at 70° receive 2.2 sun hours a day in December.
How high does the sun get in Saint-Jean-sur-Richelieu?
At solar noon the sun stands 68.1° above the horizon on the June solstice and 21.3° on the December solstice.
Is Saint-Jean-sur-Richelieu a good place for solar panels?
With 3.5 peak sun hours a day on flat ground, Saint-Jean-sur-Richelieu ranks joint 146th of 296 places in Canada for sunshine. A 1 kWp array at the best angle (38°) makes about 1,296 kWh a year here, as much as the average place in Canada.

Places near Saint-Jean-sur-Richelieu

All places in Canada

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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.