Quebec · Canada · 46.02° N · 73.42° W
Solar position in Joliette
Sun position, daylight and the best solar panel angle for Joliette — computed for 46.02° N, 73.42° W, 57 m above sea level.
The sun right now
Sun in Joliette today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:42 | sun 18° below horizon |
| Nautical dawn | 06:17 | 12° below |
| Civil dawn | 06:52 | 6° below |
| Sunrise | 07:23 | 106° ESE |
| Golden hour ends | 08:05 | sun 6° up |
| Solar noon | 12:37 | 32.1° high |
| Golden hour starts | 17:10 | sun 6° up |
| Sunset | 17:51 | 253° WSW |
| Civil dusk | 18:22 | 6° below |
| Nautical dusk | 18:57 | 12° below |
| Astronomical dusk | 19:32 | 18° below |
| Day length | 10 h 29 min | |
Sun path diagram for Joliette
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 67.4° at solar noon in Joliette; on the December solstice only 20.6°. Sunrise swings from 54° NE in June to 124° SE in December — a 70° 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:27 | 12:05 | 16:43 | 9 h 16 min | 24.2° |
| February | 06:46 | 12:07 | 17:28 | 10 h 42 min | 33.6° |
| March | 06:54 | 13:01 | 19:07 | 12 h 13 min | 44.4° |
| April | 05:56 | 12:52 | 19:48 | 13 h 52 min | 56.0° |
| May | 05:14 | 12:50 | 20:26 | 15 h 11 min | 64.3° |
| June | 05:02 | 12:55 | 20:48 | 15 h 45 min | 67.4° |
| July | 05:23 | 13:00 | 20:35 | 15 h 12 min | 64.4° |
| August | 06:00 | 12:56 | 19:51 | 13 h 51 min | 55.9° |
| September | 06:39 | 12:46 | 18:53 | 12 h 14 min | 44.5° |
| October | 07:18 | 12:38 | 17:56 | 10 h 38 min | 33.1° |
| November | 07:02 | 11:39 | 16:16 | 9 h 14 min | 24.0° |
| December | 07:32 | 11:51 | 16:10 | 8 h 38 min | 20.6° |
A year of daylight in Joliette
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Joliette
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1305 kWh per kWp.
74°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1064 | 82% | 0.82 | 5.7× |
| 15° | 1210 | 93% | 1.23 | 3.9× |
| 30° | 1291 | 99% | 1.57 | 3.0× |
| 39° year-round best | 1305 | 100% | 1.74 | 2.6× |
| 45° | 1300 | 100% | 1.83 | 2.4× |
| 46° = latitude | 1298 | 99% | 1.85 | 2.4× |
| 60° | 1239 | 95% | 1.99 | 2.3× |
| 70° | 1161 | 89% | 2.04 | 2.2× |
| 74° off-grid best | 1123 | 86% | 2.04 | 2.1× |
| 90° | 930 | 71% | 1.98 | 2.0× |
A fixed array in Joliette produces the most over a year at 39°. The design month for an off-grid system is December: at 74° it makes 2.04 kWh per kWp a day, 18% more than at 39°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Joliette at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.44 | 3.05 | 2.88 | 2.48 | -12.5 °C |
| February snow | 2.34 | 3.92 | 3.68 | 3.39 | -10.9 °C |
| March snow | 3.55 | 4.81 | 4.42 | 4.39 | -5.0 °C |
| April | 4.47 | 4.00 | 3.55 | 4.32 | 3.7 °C |
| May | 5.27 | 3.78 | 3.24 | 4.39 | 11.9 °C |
| June | 5.74 | 3.69 | 3.09 | 4.43 | 17.2 °C |
| July | 5.70 | 3.85 | 3.20 | 4.46 | 20.1 °C |
| August | 4.98 | 4.05 | 3.39 | 4.32 | 19.2 °C |
| September | 3.87 | 4.22 | 3.60 | 4.03 | 15.1 °C |
| October | 2.28 | 3.18 | 2.78 | 2.81 | 7.4 °C |
| November snow | 1.40 | 2.63 | 2.36 | 2.13 | 0.2 °C |
| December snow | 1.02 | 2.21 | 2.04 | 1.74 | -7.9 °C |
| Year | 3.51 avg | 3.61 avg | 1161 kWh | 1305 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 580 Wp of panels at 70°, versus 680 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Joliette
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.
6.7 mrow pitch at 70°
5.6 mrow pitch at 39°
How Joliette compares in Canada
Against the other 295 places in Canada with climate data, for a fixed array at its best angle.
189thof 296 places in Canada for sunshine, shared: 3.51 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Canada: 1,305 against 1,292 kWh per kWp.
+18 mindaylight on the longest day, compared with Toronto: 15 h 45 min against 15 h 27 min.
39°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); Joliette ranks joint 189th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.04 kWh a day here, against 1.88 kWh on average in Canada. The shortest day lasts 8 h 38 min, −17 min compared with Toronto.
Solar forecast for Joliette, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Joliette
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A free, live card for Joliette: 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.
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.