French Guiana · SpringMonth summary
French Guiana weather in March
✅ Good
🌡️ Temperature min / max
25°C – 28°C
🌧 Rainy days
86% of days
☀️ Sunshine
10.5h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
September (7.7/10)
Quick decision
Should you visit French Guiana in March?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: March is a good time to visit French Guiana. September remains slightly better (+0.6 pts).
By trip type
French Guiana in March by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in March
🎯 Good period — 28°C with good sunshine. Reasonable crowds Spring marks the start of the good season in French Guiana. Temperatures rise (28°C) and tourists have not yet arrived en masse. With 86% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. September (7.7/10) is significantly better if possible.
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All months for French Guiana
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 24°C | 28°C | 87% | 12.4 | 10.0h | 7.0/10 |
| 🌧️ February | 24°C | 28°C | 88% | 13.7 | 9.2h | 7.0/10 |
| 🌦️ March | 25°C | 28°C | 86% | 9.6 | 10.5h | 7.1/10 |
| 🌧️ April | 24°C | 28°C | 95% | 17.2 | 9.1h | 7.0/10 |
| 🌧️ May | 24°C | 28°C | 99% | 21.7 | 8.0h | 6.4/10 |
| 🌧️ June | 24°C | 28°C | 98% | 18.5 | 9.7h | 7.0/10 |
| 🌦️ July | 24°C | 29°C | 91% | 10.7 | 11.1h | 7.0/10 |
| ⛅ August | 24°C | 30°C | 65% | 4.5 | 11.5h | 7.2/10 |
| 🌤️ September | 25°C | 30°C | 46% | 2.5 | 11.4h | 7.7/10 |
| 🌤️ October | 25°C | 30°C | 47% | 2.6 | 11.6h | 7.7/10 |
| ⛅ November | 25°C | 29°C | 80% | 7.9 | 11.1h | 7.1/10 |
| 🌧️ December | 24°C | 28°C | 94% | 13.9 | 9.2h | 7.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In March, French Guiana averages 28°C, 86% rainy days and 10.5h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
March vs September (best month)
The best month is September (score 7.7/10). Difference:
- 🌡️ Max temperature : +2°C
- 🌧 Rainy days : -40%
- ☀️ Sunshine : +0.9h/day
FAQ
FAQ — French Guiana in March
Is March a good time to visit French Guiana?
March is an acceptable time for French Guiana (score 7.1/10). Conditions are decent but not optimal — consider September (7.7/10) if possible.
Does it rain a lot in French Guiana in March?
Yes, 86% of days see rain in March. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in French Guiana
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