Solarposition.org

Hokkaido · Japan · 42.91° N · 143.04° E

Solar position in Memuro-minami

Sun position, daylight and the best solar panel angle for Memuro-minami — computed for 42.91° N, 143.04° E, 80 m above sea level.

Sunrise today05:52106° ESE
Sunset today16:30254° WSW
Best panel angle40°year-round, facing south
Off-grid angle62°best for the darkest month

The sun right now

Azimuth180.0°
Elevation35.1°
At solar noon, 11:11Open on the sun map

Sun in Memuro-minami today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn04:17sun 18° below horizon
Nautical dawn04:5012° below
Civil dawn05:236° below
Sunrise05:52106° ESE
Golden hour ends06:32sun 6° up
Solar noon11:1135.1° high
Golden hour starts15:51sun 6° up
Sunset16:30254° WSW
Civil dusk16:596° below
Nautical dusk17:3212° below
Astronomical dusk18:0518° below
Day length10 h 38 min

Sun path diagram for Memuro-minami

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 solstice45678910111213141516171819EquinoxDecember solstice89101112131415Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 70.5° at solar noon in Memuro-minami; on the December solstice only 23.7°. Sunrise swings from 56° NE in June to 122° ESE in December — a 66° 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
January06:5211:3916:259 h 33 min27.2°
February06:1711:4117:0610 h 49 min36.5°
March05:3011:3517:4012 h 10 min47.3°
April04:3711:2618:1613 h 39 min58.9°
May03:5911:2418:4914 h 50 min67.3°
June03:4911:2919:1015 h 21 min70.5°
July04:0711:3419:0014 h 53 min67.6°
August04:3911:3018:2113 h 42 min59.2°
September05:1311:2017:2712 h 14 min47.8°
October05:4711:1216:3610 h 49 min36.5°
November06:2611:1315:599 h 33 min27.2°
December06:5511:2515:569 h 01 min23.7°

A year of daylight in Memuro-minami

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 Memuro-minami

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

40°collects the most energy over a year: 1289 kWh per kWp.

62°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 40°Best worst-month 62°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°105582%1.213.6×
15°119693%1.782.5×
30°127499%2.262.0×
40° year-round best1289100%2.521.7×
43° = latitude1287100%2.591.7×
45°1285100%2.631.6×
60°122795%2.841.5×
62° off-grid best121494%2.861.5×
70°115289%2.901.7×
90°93172%2.792.3×

A fixed array in Memuro-minami produces the most over a year at 40°. The design month for an off-grid system is December: at 62° it makes 2.86 kWh per kWp a day, 13% more than at 40°, and costs 6% of the yearly total. Why steep panels win winter.

Off-grid solar in Memuro-minami at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 40° (year-round best).

012345January: 3.34 (70°)3.3JanFebruary: 3.77 (70°)3.8FebMarch: 4.20 (70°)4.2MarApril: 3.51 (70°)3.5AprMay: 3.03 (70°)3.0MayJune: 2.67 (70°)2.7JunJuly: 2.54 (70°)2.5JulAugust: 2.67 (70°)2.7AugSeptember: 3.08 (70°)3.1SepOctober: 3.30 (70°)3.3OctNovember: 2.91 (70°)2.9NovDecember: 2.90 (70°)2.9Dec40°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 40°Mean temp.
January snow1.793.603.342.96-7.5 °C
February snow2.594.073.773.57-7.3 °C
March snow3.684.594.204.28-3.3 °C
April4.653.943.514.362.5 °C
May5.073.493.034.158.6 °C
June5.003.152.673.8213.5 °C
July4.633.052.543.5417.5 °C
August4.183.212.673.4618.9 °C
September3.683.633.083.5715.5 °C
October2.833.793.303.419.1 °C
November1.863.262.912.752.3 °C
December snow1.483.152.902.52-4.5 °C
Year3.46 avg3.58 avg1152 kWh1289 kWh

Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 460 Wp of panels at 70°, versus 470 Wp at 40°. The steep array is 1% smaller for the same winter. Size your own system.

Row spacing in Memuro-minami

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.

5.7 mrow pitch at 70°

5.0 mrow pitch at 40°

Row spacing calculator

How Memuro-minami compares in Japan

Against the other 1,215 places in Japan with climate data, for a fixed array at its best angle.

1104thof 1,216 places in Japan for sunshine, shared: 3.46 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Japan: 1,289 against 1,284 kWh per kWp.

+46 mindaylight on the longest day, compared with Tokyo: 15 h 21 min against 14 h 35 min.

40°best year-round tilt here; across Japan it runs from 17° in Miyakojima to 41° in Kushiro.

Of the 1,216 places in Japan, Miyakojima gets the most sun (4.34 peak sun hours a day) and Wakkanai and one other place the least (3.17); Memuro-minami ranks joint 1104th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.54 kWh a day here, against 2.14 kWh on average in Japan. The shortest day lasts 9 h 01 min, −44 min compared with Tokyo.

The sunniest places in Japan

Solar forecast for Memuro-minami, 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 Memuro-minami

What is the best solar panel angle in Memuro-minami?
For a fixed array facing south, the best year-round tilt in Memuro-minami is 40°, worth about 1289 kWh per kWp a year. An off-grid system that has to get through December does better at about 62°.
What time is sunrise and sunset in Memuro-minami today?
On 25 October 2026 the sun rises at 05:52 and sets at 16:30 local time (UTC+9), giving 10 h 38 min of daylight. Solar noon is at 11:11.
How many peak sun hours does Memuro-minami get?
On a flat surface 3.5 hours a day averaged over the year, from 1.5 in December to 5.1 in May. Panels tilted at 70° receive 3.0 sun hours a day in July.
How high does the sun get in Memuro-minami?
At solar noon the sun stands 70.5° above the horizon on the June solstice and 23.7° on the December solstice.
Is Memuro-minami a good place for solar panels?
With 3.5 peak sun hours a day on flat ground, Memuro-minami ranks joint 1104th of 1,216 places in Japan for sunshine. A 1 kWp array at the best angle (40°) makes about 1,289 kWh a year here, as much as the average place in Japan.

Places near Memuro-minami

All places in Japan

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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.