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Porto Moniz weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Porto Moniz?
For a warm holiday, the best week has been 18–24 August (Weather Index 98). Favourable start dates for a 7-day trip run from 23 July to 2 September. August is warmest (23°C), July is driest and June has the most sun.
- Warmest
- August 23°C
- Coolest
- March 16°C
- Driest
- July 1% rain-day chance
- Wettest
- March 33% rain-day chance
- Sunniest
- June 14 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Porto Moniz
Porto Moniz historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 17.0 | 15.6 | 25.5 | 7.9 | 55.5 | 9.1 |
| February | 16.6 | 14.9 | 24.3 | 6.8 | 57.0 | 10.1 |
| March | 16.4 | 14.7 | 32.6 | 10.1 | 63.6 | 11.0 |
| April | 17.1 | 15.4 | 28.7 | 8.6 | 49.4 | 11.8 |
| May | 18.3 | 16.5 | 15.5 | 4.8 | 22.4 | 13.2 |
| June | 20.0 | 18.2 | 8.3 | 2.5 | 23.6 | 13.5 |
| July | 21.8 | 19.7 | 1.0 | 0.3 | 1.0 | 13.5 |
| August | 23.0 | 20.8 | 1.6 | 0.5 | 1.9 | 12.7 |
| September | 22.4 | 20.6 | 7.0 | 2.1 | 9.3 | 11.7 |
| October | 21.6 | 19.9 | 27.1 | 8.4 | 54.5 | 10.2 |
| November | 19.4 | 17.9 | 30.0 | 9.0 | 73.5 | 9.4 |
| December | 18.0 | 16.6 | 26.1 | 8.1 | 73.8 | 9.1 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.