San José · Costa Rica · 9.93° N · 84.05° W
Solar position in San Pedro
Sun position, daylight and the best solar panel angle for San Pedro — computed for 9.93° N, 84.05° W, 1199 m above sea level.
The sun right now
Sun in San Pedro today
Saturday, 24 October 2026 · local time UTC−6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:14 | sun 18° below horizon |
| Nautical dawn | 04:39 | 12° below |
| Civil dawn | 05:03 | 6° below |
| Sunrise | 05:25 | 102° ESE |
| Golden hour ends | 05:53 | sun 6° up |
| Solar noon | 11:20 | 68.1° high |
| Golden hour starts | 16:46 | sun 6° up |
| Sunset | 17:15 | 258° WSW |
| Civil dusk | 17:36 | 6° below |
| Nautical dusk | 18:01 | 12° below |
| Astronomical dusk | 18:26 | 18° below |
| Day length | 11 h 50 min | |
Sun path diagram for San Pedro
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 76.5° at solar noon in San Pedro; on the December solstice only 56.6°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 05:58 | 11:47 | 17:36 | 11 h 38 min | 60.3° |
| February | 05:53 | 11:49 | 17:45 | 11 h 52 min | 69.7° |
| March | 05:39 | 11:43 | 17:46 | 12 h 07 min | 80.5° |
| April | 05:22 | 11:34 | 17:46 | 12 h 24 min | 87.9° |
| May | 05:14 | 11:32 | 17:51 | 12 h 37 min | 79.6° |
| June | 05:16 | 11:38 | 17:59 | 12 h 42 min | 76.5° |
| July | 05:24 | 11:42 | 18:01 | 12 h 37 min | 79.6° |
| August | 05:27 | 11:39 | 17:51 | 12 h 24 min | 88.0° |
| September | 05:25 | 11:29 | 17:32 | 12 h 07 min | 80.6° |
| October | 05:25 | 11:20 | 17:16 | 11 h 51 min | 69.2° |
| November | 05:33 | 11:22 | 17:11 | 11 h 38 min | 60.1° |
| December | 05:47 | 11:34 | 17:20 | 11 h 33 min | 56.6° |
A year of daylight in San Pedro
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 San Pedro
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
12°collects the most energy over a year: 1369 kWh per kWp.
9°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 | July kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1347 | 98% | 3.34 | 1.5× |
| 9° off-grid best | 1368 | 100% | 3.22 | 1.4× |
| 10° = latitude | 1369 | 100% | 3.21 | 1.4× |
| 12° year-round best | 1369 | 100% | 3.17 | 1.5× |
| 15° | 1367 | 100% | 3.11 | 1.5× |
| 30° | 1313 | 96% | 2.73 | 1.7× |
| 45° | 1188 | 87% | 2.22 | 2.0× |
| 60° | 1003 | 73% | 1.64 | 2.6× |
| 70° | 857 | 63% | 1.27 | 3.0× |
| 90° | 587 | 43% | 1.02 | 2.8× |
A fixed array in San Pedro produces the most over a year at 12°. The design month for an off-grid system is July: at 9° it makes 3.22 kWh per kWp a day, 2% more than at 12°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in San Pedro at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 12° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.68 | 4.58 | 3.79 | 4.14 | 23.4 °C |
| February | 5.37 | 4.32 | 3.56 | 4.59 | 23.9 °C |
| March | 5.68 | 3.42 | 2.80 | 4.64 | 24.7 °C |
| April | 5.29 | 2.30 | 1.85 | 4.12 | 25.1 °C |
| May | 4.57 | 1.71 | 1.36 | 3.47 | 24.7 °C |
| June | 4.40 | 1.57 | 1.25 | 3.30 | 24.3 °C |
| July | 4.19 | 1.60 | 1.27 | 3.17 | 24.0 °C |
| August | 4.43 | 1.94 | 1.56 | 3.43 | 24.0 °C |
| September | 4.65 | 2.61 | 2.12 | 3.73 | 23.9 °C |
| October | 4.21 | 3.02 | 2.48 | 3.49 | 23.6 °C |
| November | 3.83 | 3.35 | 2.76 | 3.28 | 23.4 °C |
| December | 4.17 | 4.21 | 3.48 | 3.71 | 23.3 °C |
| Year | 4.62 avg | 2.88 avg | 857 kWh | 1369 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 950 Wp of panels at 70°, versus 370 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in San Pedro
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.
2.1 mrow pitch at 70°
2.3 mrow pitch at 12°
How San Pedro compares in Costa Rica
Against the other 35 places in Costa Rica with climate data, for a fixed array at its best angle.
19thof 36 places in Costa Rica for sunshine, shared: 4.62 peak sun hours a day on flat ground.
−1%solar energy a year compared with the average place in Costa Rica: 1,369 against 1,386 kWh per kWp.
±0 mindaylight on the longest day, compared with San José: 12 h 42 min against 12 h 42 min.
12°best year-round tilt here; across Costa Rica it runs from 11° in Limón to 13° in Liberia.
Of the 36 places in Costa Rica, Nicoya gets the most sun (5.27 peak sun hours a day) and Siquirres the least (4.34); San Pedro ranks joint 19th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.25 kWh a day here, against 1.24 kWh on average in Costa Rica. The shortest day lasts 11 h 33 min, ±0 min compared with San José.
Solar forecast for San Pedro, 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 San Pedro
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Places near San Pedro
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A free, live card for San Pedro: 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.