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Guelmim weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Guelmim?
For a warm holiday, the best week has been 8–14 October (Weather Index 96). Favourable start dates for a 7-day trip run from 29 September to 17 October. August is warmest (35°C), July is driest and May, June and July have the most sun.
- Warmest
- August 35°C
- Coolest
- January and December 22°C
- Driest
- July less than 1% rain-day chance
- Wettest
- March 11% rain-day chance
- Sunniest
- May, June and July 13 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 Guelmim
Guelmim 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 | 21.8 | 9.9 | 3.9 | 1.2 | 6.0 | 9.8 |
| February | 23.1 | 11.3 | 8.6 | 2.4 | 15.6 | 10.2 |
| March | 24.1 | 12.5 | 11.0 | 3.4 | 12.9 | 11.4 |
| April | 25.5 | 14.3 | 2.7 | 0.8 | 4.1 | 12.2 |
| May | 27.5 | 15.9 | 1.9 | 0.6 | 1.4 | 12.5 |
| June | 28.6 | 17.6 | 1.3 | 0.4 | 1.2 | 12.7 |
| July | 34.2 | 19.7 | 0.3 | 0.1 | 0.3 | 12.9 |
| August | 35.1 | 21.2 | 1.3 | 0.4 | 1.5 | 12.5 |
| September | 31.5 | 19.0 | 4.3 | 1.3 | 3.2 | 11.3 |
| October | 30.2 | 17.7 | 4.2 | 1.3 | 9.4 | 10.6 |
| November | 25.8 | 13.9 | 6.0 | 1.8 | 11.9 | 10.1 |
| December | 22.4 | 11.4 | 6.8 | 2.1 | 12.1 | 9.5 |
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.