Solarposition.org

Quebec · Canada · 45.25° N · 74.13° W

Solar position in Salaberry-de-Valleyfield

Sun position, daylight and the best solar panel angle for Salaberry-de-Valleyfield — computed for 45.25° N, 74.13° W, 46 m above sea level.

Sunrise today07:24106° ESE
Sunset today17:56254° WSW
Best panel angle38°year-round, facing south
Off-grid angle73°best for the darkest month

The sun right now

Azimuth180.0°
Elevation32.9°
At solar noon, 12:40Open on the sun map

Sun in Salaberry-de-Valleyfield today

Saturday, 24 October 2026 · local time UTC−4

EventTimeDirection / height
Astronomical dawn05:45sun 18° below horizon
Nautical dawn06:1912° below
Civil dawn06:546° below
Sunrise07:24106° ESE
Golden hour ends08:05sun 6° up
Solar noon12:4032.9° high
Golden hour starts17:14sun 6° up
Sunset17:56254° WSW
Civil dusk18:266° below
Nautical dusk19:0012° below
Astronomical dusk19:3418° below
Day length10 h 31 min

Sun path diagram for Salaberry-de-Valleyfield

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 68.2° at solar noon in Salaberry-de-Valleyfield; 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
January07:2712:0816:489 h 21 min25.0°
February06:4812:1017:3210 h 45 min34.4°
March06:5713:0319:1012 h 13 min45.2°
April06:0112:5519:5013 h 49 min56.8°
May05:2012:5320:2615 h 06 min65.0°
June05:0812:5820:4715 h 39 min68.2°
July05:2913:0220:3615 h 07 min65.1°
August06:0512:5919:5313 h 48 min56.7°
September06:4212:4918:5512 h 13 min45.3°
October07:2012:4018:0010 h 40 min33.9°
November07:0311:4216:219 h 18 min24.8°
December07:3211:5416:168 h 44 min21.4°

A year of daylight in Salaberry-de-Valleyfield

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 Salaberry-de-Valleyfield

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: 1302 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°107683%0.855.6×
15°121693%1.224.0×
30°129199%1.543.1×
38° year-round best1302100%1.682.7×
45° = latitude129599%1.792.5×
60°122894%1.932.3×
70°114788%1.972.2×
73° off-grid best111886%1.972.2×
90°91170%1.912.0×

A fixed array in Salaberry-de-Valleyfield produces the most over a year at 38°. The design month for an off-grid system is December: at 73° it makes 1.97 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 Salaberry-de-Valleyfield at 70°

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

012345January: 2.70 (70°)2.7JanFebruary: 3.61 (70°)3.6FebMarch: 4.31 (70°)4.3MarApril: 3.49 (70°)3.5AprMay: 3.20 (70°)3.2MayJune: 3.05 (70°)3.1JunJuly: 3.20 (70°)3.2JulAugust: 3.41 (70°)3.4AugSeptember: 3.64 (70°)3.6SepOctober: 2.82 (70°)2.8OctNovember: 2.34 (70°)2.3NovDecember: 1.97 (70°)2.0Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January snow1.432.882.702.33-10.7 °C
February snow2.363.863.613.33-9.3 °C
March snow3.564.724.314.29-3.4 °C
April4.483.963.494.295.0 °C
May5.293.753.204.3912.6 °C
June5.743.653.054.4317.8 °C
July5.813.873.204.5420.8 °C
August5.104.103.414.4020.1 °C
September3.994.293.644.1116.0 °C
October2.363.242.822.868.3 °C
November1.472.612.342.161.2 °C
December snow1.042.151.971.68-6.3 °C
Year3.56 avg3.59 avg1147 kWh1302 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 600 Wp of panels at 70°, versus 700 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Salaberry-de-Valleyfield

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 Salaberry-de-Valleyfield compares in Canada

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

112thof 296 places in Canada for sunshine, shared: 3.56 peak sun hours a day on flat ground.

+1%solar energy a year compared with the average place in Canada: 1,302 against 1,292 kWh per kWp.

+12 mindaylight on the longest day, compared with Toronto: 15 h 39 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); Salaberry-de-Valleyfield ranks joint 112th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.97 kWh a day here, against 1.88 kWh on average in Canada. The shortest day lasts 8 h 44 min, −11 min compared with Toronto.

The sunniest places in Canada

Solar forecast for Salaberry-de-Valleyfield, 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 Salaberry-de-Valleyfield

What is the best solar panel angle in Salaberry-de-Valleyfield?
For a fixed array facing south, the best year-round tilt in Salaberry-de-Valleyfield is 38°, worth about 1302 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 Salaberry-de-Valleyfield today?
On 24 October 2026 the sun rises at 07:24 and sets at 17:56 local time (UTC−4), giving 10 h 31 min of daylight. Solar noon is at 12:40.
How many peak sun hours does Salaberry-de-Valleyfield get?
On a flat surface 3.6 hours a day averaged over the year, from 1.0 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 Salaberry-de-Valleyfield?
At solar noon the sun stands 68.2° above the horizon on the June solstice and 21.4° on the December solstice.
Is Salaberry-de-Valleyfield a good place for solar panels?
With 3.6 peak sun hours a day on flat ground, Salaberry-de-Valleyfield ranks joint 112th of 296 places in Canada for sunshine. A 1 kWp array at the best angle (38°) makes about 1,302 kWh a year here, 1% more than the average place in Canada.

Places near Salaberry-de-Valleyfield

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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.