Solarposition.org

Quebec · Canada · 47.83° N · 69.54° W

Solar position in Rivière-du-Loup

Sun position, daylight and the best solar panel angle for Rivière-du-Loup — computed for 47.83° N, 69.54° W, 56 m above sea level.

Sunrise today07:10107° ESE
Sunset today17:33253° WSW
Best panel angle41°year-round, facing south
Off-grid angle76°best for the darkest month

The sun right now

Azimuth180.0°
Elevation30.3°
At solar noon, 12:22Open on the sun map

Sun in Rivière-du-Loup today

Saturday, 24 October 2026 · local time UTC−4

EventTimeDirection / height
Astronomical dawn05:27sun 18° below horizon
Nautical dawn06:0212° below
Civil dawn06:386° below
Sunrise07:10107° ESE
Golden hour ends07:54sun 6° up
Solar noon12:2230.3° high
Golden hour starts16:49sun 6° up
Sunset17:33253° WSW
Civil dusk18:046° below
Nautical dusk18:4112° below
Astronomical dusk19:1618° below
Day length10 h 23 min

Sun path diagram for Rivière-du-Loup

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 solstice567891011121314151617181920EquinoxDecember solstice89101112131415Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 65.6° at solar noon in Rivière-du-Loup; on the December solstice only 18.8°. Sunrise swings from 53° NE in June to 125° SE in December — a 73° 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
January07:1711:4916:219 h 04 min22.4°
February06:3311:5217:1010 h 37 min31.8°
March06:3812:4518:5212 h 14 min42.6°
April05:3712:3719:3613 h 59 min54.2°
May04:5212:3420:1715 h 24 min62.5°
June04:3912:4020:4016 h 01 min65.6°
July05:0112:4420:2615 h 25 min62.5°
August05:4112:4119:3913 h 58 min54.1°
September06:2312:3018:3712 h 14 min42.7°
October07:0612:2217:3810 h 32 min31.3°
November06:5211:2315:549 h 02 min22.2°
December07:2411:3615:488 h 24 min18.8°

A year of daylight in Rivière-du-Loup

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 Rivière-du-Loup

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

41°collects the most energy over a year: 1270 kWh per kWp.

76°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 41°Best worst-month 76°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°102180%0.736.3×
15°116892%1.124.2×
30°125299%1.473.1×
41° year-round best1270100%1.672.6×
45°1267100%1.732.5×
48° = latitude126199%1.772.5×
60°121296%1.902.3×
70°114090%1.952.2×
76° off-grid best108485%1.962.2×
90°92072%1.912.0×

A fixed array in Rivière-du-Loup produces the most over a year at 41°. The design month for an off-grid system is December: at 76° it makes 1.96 kWh per kWp a day, 17% more than at 41°, and costs 15% of the yearly total. Why steep panels win winter.

Off-grid solar in Rivière-du-Loup at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 41° (year-round best).

012345January: 2.65 (70°)2.6JanFebruary: 3.48 (70°)3.5FebMarch: 4.33 (70°)4.3MarApril: 3.68 (70°)3.7AprMay: 3.32 (70°)3.3MayJune: 3.13 (70°)3.1JunJuly: 3.21 (70°)3.2JulAugust: 3.36 (70°)3.4AugSeptember: 3.53 (70°)3.5SepOctober: 2.76 (70°)2.8OctNovember: 2.11 (70°)2.1NovDecember: 1.95 (70°)2.0Dec41°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 41°Mean temp.
January snow1.272.802.652.30-13.7 °C
February snow2.133.693.483.22-12.4 °C
March snow3.354.664.334.28-7.3 °C
April4.434.103.684.400.8 °C
May5.183.833.324.398.8 °C
June5.563.693.134.3414.3 °C
July5.503.833.214.3517.6 °C
August4.763.993.364.2016.9 °C
September3.654.103.533.9112.7 °C
October2.163.142.762.775.6 °C
November snow1.222.342.111.92-1.6 °C
December snow0.912.101.951.67-9.3 °C
Year3.35 avg3.52 avg1140 kWh1270 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 710 Wp at 41°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in Rivière-du-Loup

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.

7.4 mrow pitch at 70°

6.2 mrow pitch at 41°

Row spacing calculator

How Rivière-du-Loup compares in Canada

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

247thof 296 places in Canada for sunshine, shared: 3.35 peak sun hours a day on flat ground.

−2%solar energy a year compared with the average place in Canada: 1,270 against 1,292 kWh per kWp.

+34 mindaylight on the longest day, compared with Toronto: 16 h 01 min against 15 h 27 min.

41°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); Rivière-du-Loup ranks joint 247th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.95 kWh a day here, against 1.88 kWh on average in Canada. The shortest day lasts 8 h 24 min, −32 min compared with Toronto.

The sunniest places in Canada

Solar forecast for Rivière-du-Loup, 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 Rivière-du-Loup

What is the best solar panel angle in Rivière-du-Loup?
For a fixed array facing south, the best year-round tilt in Rivière-du-Loup is 41°, worth about 1270 kWh per kWp a year. An off-grid system that has to get through December does better at about 76°.
What time is sunrise and sunset in Rivière-du-Loup today?
On 24 October 2026 the sun rises at 07:10 and sets at 17:33 local time (UTC−4), giving 10 h 23 min of daylight. Solar noon is at 12:22.
How many peak sun hours does Rivière-du-Loup get?
On a flat surface 3.3 hours a day averaged over the year, from 0.9 in December to 5.6 in June. Panels tilted at 70° receive 2.1 sun hours a day in December.
How high does the sun get in Rivière-du-Loup?
At solar noon the sun stands 65.6° above the horizon on the June solstice and 18.8° on the December solstice.
Is Rivière-du-Loup a good place for solar panels?
With 3.3 peak sun hours a day on flat ground, Rivière-du-Loup ranks joint 247th of 296 places in Canada for sunshine. A 1 kWp array at the best angle (41°) makes about 1,270 kWh a year here, 2% less than the average place in Canada.

Places near Rivière-du-Loup

All places in Canada

Put this on your site

A free, live card for Rivière-du-Loup: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.

Theme

Paste it into any page, blog or CMS that accepts HTML. Auto follows the visitor's light or dark system setting. Free to use with its link.

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.