Cayenne - When to Visit

When to Cayenne

Climate guide & best times to travel

Monthly Climate Data for Cayenne Average temperature and rainfall by month Climate Overview 17°C 22°C 27°C 32°C 37°C Rainfall (mm) 0 299 599 Jan Jan: 29.0°C high, 23.0°C low, 399mm rain Feb Feb: 29.0°C high, 23.0°C low, 335mm rain Mar Mar: 29.0°C high, 23.0°C low, 315mm rain Apr Apr: 30.0°C high, 23.0°C low, 442mm rain May May: 30.0°C high, 23.0°C low, 599mm rain Jun Jun: 30.0°C high, 23.0°C low, 391mm rain Jul Jul: 31.0°C high, 22.0°C low, 262mm rain Aug Aug: 31.0°C high, 22.0°C low, 135mm rain Sep Sep: 32.0°C high, 22.0°C low, 64mm rain Oct Oct: 32.0°C high, 22.0°C low, 56mm rain Nov Nov: 31.0°C high, 22.0°C low, 135mm rain Dec Dec: 30.0°C high, 23.0°C low, 353mm rain Temperature Rainfall
Cayenne, French Guiana experiences a tropical climate with distinct wet and dry seasons. The wet season runs from December through July, with peak rainfall occurring in May (23.6 inches) and the heaviest rains typically from December to June. The dry season spans August through November, with September and October being the driest months (2.5 and 2.2 inches respectively). Temperatures remain consistently warm year-round, ranging from highs of 84-90°F and lows of 72-74°F, with humidity staying steady at 70%. The climate is characterized by minimal temperature variation throughout the year, making it a destination where rainfall patterns are more significant than temperature changes for planning purposes. The driest months offer the most comfortable conditions for outdoor activities, while the wet season provides lush, green landscapes but requires preparation for frequent rainfall.

Best Time to Visit

Beach & Relaxation
August through November offer the best beach weather with minimal rainfall (2.2-5.3 inches) and warm temperatures reaching 89-90°F.
Cultural Exploration
September through November provide ideal conditions with the lowest rainfall of the year and comfortable temperatures for walking and sightseeing.
Adventure & Hiking
August through October are optimal for hiking with the driest conditions (2.2-5.3 inches rainfall) and slightly lower humidity making outdoor activities more comfortable.
Budget Travel
May through July offer potential savings as it's the wettest period, though expect heavy rainfall (10.3-23.6 inches) requiring flexible indoor plans.

Month-by-Month Guide

January

January marks the beginning of the wet season with heavy rainfall and consistently warm temperatures. Expect frequent showers and high humidity, making it ideal for experiencing the lush tropical environment. Indoor activities and flexible planning are recommended.

84°F High
74°F Low
15.7 inches Rainfall
Medium Crowds
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February

February continues the wet season pattern with substantial rainfall and stable tropical temperatures. The consistent warmth and frequent precipitation create busy green landscapes. Pack waterproof gear and plan for indoor alternatives.

84°F High
74°F Low
13.2 inches Rainfall
Medium Crowds
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March

March maintains wet season conditions with regular rainfall and warm temperatures. The slightly reduced precipitation compared to peak wet months makes it more manageable for outdoor activities. Humidity remains high throughout the month.

85°F High
74°F Low
12.4 inches Rainfall
Medium Crowds
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April

April sees increased rainfall as temperatures begin to rise slightly. The combination of warm weather and substantial precipitation creates lush conditions. Expect frequent afternoon showers and plan activities accordingly.

86°F High
74°F Low
17.4 inches Rainfall
Medium Crowds
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May

May experiences the heaviest rainfall of the year while maintaining warm temperatures. This is the peak of the wet season with frequent, heavy downpours. The landscape is at its most verdant, but outdoor activities require careful timing.

86°F High
74°F Low
23.6 inches Rainfall
Low Crowds
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June

June continues the wet season with substantial rainfall and consistent warm temperatures. While precipitation begins to decrease from May's peak, frequent showers are still common. The slightly lower nighttime temperatures provide some relief.

86°F High
73°F Low
15.4 inches Rainfall
Low Crowds
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July

July marks the transition toward drier conditions with notably reduced rainfall compared to previous months. Temperatures rise slightly and humidity remains consistent. This represents the beginning of more favorable weather for outdoor activities.

87°F High
72°F Low
10.3 inches Rainfall
Medium Crowds
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August

August begins the dry season with significantly reduced rainfall and the highest temperatures of the year. The dramatic decrease in precipitation makes this an excellent time for outdoor activities and sightseeing. Conditions become much more comfortable for travelers.

89°F High
72°F Low
5.3 inches Rainfall
High Crowds
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September

September offers peak dry season conditions with minimal rainfall and the warmest temperatures. This is one of the best months for outdoor activities, beach visits, and exploration. Clear skies and comfortable conditions prevail.

90°F High
72°F Low
2.5 inches Rainfall
High Crowds
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October

October provides the driest conditions of the year with minimal rainfall and peak temperatures. This is ideal weather for all outdoor activities, hiking, and sightseeing. The combination of low precipitation and warm temperatures creates perfect tropical conditions.

90°F High
72°F Low
2.2 inches Rainfall
High Crowds
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November

November maintains excellent dry season weather with low rainfall and warm temperatures. While precipitation begins to increase slightly, conditions remain very favorable for travel. This represents the end of the optimal dry period.

89°F High
72°F Low
5.3 inches Rainfall
High Crowds
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December

December marks the return of the wet season with significantly increased rainfall and slightly cooler temperatures. The transition from dry to wet conditions becomes apparent, requiring more flexible planning for outdoor activities.

86°F High
73°F Low
13.9 inches Rainfall
Medium Crowds
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Activities in Cayenne