French Guiana (Cayenne)
January
Weather in French Guiana for January 2026
Your guide to French Guiana weather in January - trends and predictions
In general, the average temperature in French Guiana at the beginning of January is 27.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.9 °C by the end of January.
French Guiana experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 578.9 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
27°/22°
Temperatures
13 km/h
Avg max wind
87 %
Avg humidity
French Guiana Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3 28° | 4  27° | |||
| 5 27° | 6 28° | 7 26° | 8 26° | 9 27° | 10 27° | 11 28° |
| 12 27° | 13  27° | 14 28° | 15 27° | 16 27° | 17 26° | 18 26° |
| 19 27° | 20 28° | 21 27° | 22 27° | 23 27° | 24 26° | 25  27° |
| 26 27° | 27 27° | 28 27° | 29 26° | 30 27° | 31 27° |
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Temperatures trend during January in French Guiana
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Moderate or heavy rain shower | 28° /22° | 31.5 mm | 6 | |
| 2 Jan. | Moderate or heavy rain shower | 28° /23° | 7.8 mm | 6 | |
| 3 Jan. | Moderate or heavy rain shower | 28° /22° | 9.7 mm | 6 | |
| 4 Jan. | Light rain shower | 27° /22° | 16.8 mm | 6 | |
| 5 Jan. | Light rain shower | 27° /22° | 19.6 mm | 6 | |
| 6 Jan. | Patchy rain possible | 28° /22° | 7.2 mm | 6 | |
| 7 Jan. | Light rain shower | 26° /22° | 38.8 mm | 6 | |
| 8 Jan. | Light rain shower | 26° /22° | 16.6 mm | 6 | |
| 9 Jan. | Moderate or heavy rain shower | 27° /22° | 11.6 mm | 6 | |
| 10 Jan. | Moderate or heavy rain shower | 27° /22° | 15.3 mm | 6 | |
| 11 Jan. | Moderate or heavy rain shower | 28° /22° | 7.7 mm | 6 | |
| 12 Jan. | Light rain shower | 27° /23° | 9.2 mm | 6 | |
| 13 Jan. | Heavy rain at times | 27° /22° | 6.1 mm | 6 | |
| 14 Jan. | Moderate or heavy rain shower | 28° /22° | 15.4 mm | 6 | |
| 15 Jan. | Moderate or heavy rain shower | 27° /22° | 38.6 mm | 6 | |
| 16 Jan. | Moderate or heavy rain shower | 27° /22° | 16 mm | 6 | |
| 17 Jan. | Light rain shower | 26° /22° | 30.7 mm | 6 | |
| 18 Jan. | Moderate or heavy rain shower | 26° /22° | 10 mm | 6 | |
| 19 Jan. | Light rain shower | 27° /21° | 17.4 mm | 6 | |
| 20 Jan. | Light rain shower | 28° /22° | 14.7 mm | 6 | |
| 21 Jan. | Light rain shower | 27° /22° | 26.9 mm | 6 | |
| 22 Jan. | Light rain shower | 27° /22° | 18.5 mm | 6 | |
| 23 Jan. | Light rain shower | 27° /22° | 10.5 mm | 6 | |
| 24 Jan. | Patchy rain possible | 26° /22° | 15.3 mm | 6 | |
| 25 Jan. | Overcast | 27° /22° | 15.5 mm | 6 | |
| 26 Jan. | Light rain shower | 27° /22° | 7.8 mm | 6 | |
| 27 Jan. | Light rain shower | 27° /22° | 7.5 mm | 6 | |
| 28 Jan. | Patchy rain possible | 27° /21° | 11.7 mm | 6 | |
| 29 Jan. | Light rain shower | 26° /22° | 22.9 mm | 6 | |
| 30 Jan. | Light rain shower | 27° /23° | 8.9 mm | 6 | |
| 31 Jan. | Moderate or heavy rain shower | 27° /22° | 11.2 mm | 6 | |
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Important Notice
Our weather forecast for French Guiana in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the French Guiana forecast closer to your planned date for the most up-to-date weather information.
French Guiana in January - FAQ
What are the expected maximum and minimum temperatures in French Guiana during January?
During January, expect a variety of temperatures with highs around 27° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in French Guiana during January?
Significant rainfall exceeding 578.9 mm is expected in French Guiana during January, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in French Guiana during January?
The average wind speed in French Guiana during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in French Guiana
Explore the daily rainfall trends and prepare for French Guianas January weather 💧
UV exposure in French Guiana during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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