Cayenne, French Guiana

🇬🇫 Cayenne, French Guiana



6:2118:30
100 USD = 86.13 EUR
Safety: Normal security precautions

Forecast by:
11 Sep
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12 Sep
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13 Sep
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14 Sep
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15 Sep
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16 Sep
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17 Sep
Thu
Temp (°C)34°
23°
34°
23°
34°
23°
34°
23°
33°
24°
34°
24°
33°
24°
Precipitation53%12%46%43%60%57%71%
Humidity71%68%68%71%70%70%72%
Wind17 km/h18 km/h16 km/h14 km/h14 km/h15 km/h14 km/h

Best time to visit French Guiana

The best time to visit Cayenne is August to November, when conditions are relatively dry and suit city sightseeing and nature excursions. July and December to March are reasonable with flexible plans for showers, while April to June are less suitable because of intense rainfall; May also has the highest dengue risk.

JanuaryOKTemp (°C)25°Rain (mm)154Sun Hours7Dry Days10

January is hot and humid, around 23-29°C, with frequent short tropical showers. Flexible outdoor plans suit passing rain.

FebruaryOKTemp (°C)27°Rain (mm)170Sun Hours6Dry Days8

February is hot and humid, around 23-29°C, with substantial rain and a possible brief dry spell. Outdoor excursions can fit into clearer periods.

MarchOKTemp (°C)26°Rain (mm)125Sun Hours6Dry Days11

March is hot and humid, around 23-29°C, with substantial rain and occasional clearer spells. Wildlife trips and city sightseeing remain possible.

AprilAvoidTemp (°C)26°Rain (mm)161Sun Hours7Dry Days9

April is hot and humid, around 24-30°C, with intense rain. Heavy downpours can interrupt outdoor activities.

MayAvoidTemp (°C)26°Rain (mm)194Sun Hours8Dry Days5

May is hot and humid, around 23-29°C, with the year's heaviest rainfall and highest dengue risk. Frequent downpours can disrupt outdoor plans.

JuneAvoidTemp (°C)26°Rain (mm)139Sun Hours8Dry Days5

June is hot and humid, around 23-30°C, with intense rain. Heavy tropical downpours can interrupt excursions and sightseeing.

JulyOKTemp (°C)26°Rain (mm)90Sun Hours9Dry Days10

July is hot and humid, around 23-31°C, with a relatively dry pattern but occasional showers. Outdoor excursions are practical with rain-aware planning.

AugustGreatTemp (°C)26°Rain (mm)49Sun Hours9Dry Days18

August is hot and humid, around 22-32°C, with a relatively dry pattern. Conditions suit exploring Cayenne and taking nature excursions.

SeptemberGreatTemp (°C)27°Rain (mm)22Sun Hours9Dry Days23

September is hot and humid, around 23-32°C, with sunny conditions and substantial but limited rainfall. Outdoor sightseeing and excursions are well suited.

OctoberGreatTemp (°C)28°Rain (mm)27Sun Hours9Dry Days23

October is hot and humid, around 23-32°C, with sunny conditions and a relatively dry pattern. Outdoor sightseeing is well suited to this month.

NovemberGreatTemp (°C)29°Rain (mm)64Sun Hours9Dry Days17

November is hot and humid, around 23-31°C, with a relatively dry pattern and occasional rain. City visits and nature excursions are suitable.

DecemberOKTemp (°C)28°Rain (mm)170Sun Hours8Dry Days11

December is hot and humid, around 23-30°C, with frequent short tropical showers. Outdoor activities suit schedules that allow for passing rain.

Sources: responsibletravel.com, en.wikivoyage.org

French Guiana Data eSIM from 0.5GB daily to 20GB 30 Days

French Guiana Data eSIM from 0.5GB daily to 20GB 30 Days

Cost: From 3.24 USD · Duration: 720 hours · 5.0 (1 reviews)

• Receive eSIM QR Code within minutes. • Simply scan the designated QR Code to set up the eSIM. • Validity Date: eSIM plan starts upon installation. • Plan Type: Mobile Data only. Voice and SMS not supported. • Mobile Hotspot: Supported. • Billing: One-time prepaid package with no auto-renewals or contracts. • Compatibility: Works with eSIM-compati

Brief

  • Try local specialties such as bouillon d’awara, Creole seafood, accras, smoked fish, and tropical fruits. French and Creole cuisine is widely available in Cayenne, with Asian influences especially noticeable in markets and restaurants.
  • Blues by the River is scheduled for 18-19 September 2026 in nearby Rémire-Montjoly, potentially increasing evening traffic and accommodation demand (franceguyane.fr).

Safety and health

  • A chikungunya outbreak is active in French Guiana. Prevent mosquito bites with repellent, long clothing, screened or air-conditioned accommodation, and by avoiding exposed outdoor activity when mosquitoes are most active (cdc.gov).
  • Mosquito-borne dengue and malaria remain relevant, particularly outside the urban area. Leishmaniasis can also be transmitted by sand-fly bites. Use protection during rainforest and rural excursions (cdc.gov | wikivoyage.org).
  • A yellow-fever vaccination certificate is required for entry, according to the destination health guidance. Do not drink untreated water in nature, avoid swimming in stagnant water, and wear boots and long clothing in rainforest areas because of parasites, snakes, and spiders (wikivoyage.org).
  • Exercise increased caution after a fatal shooting in Cayenne on 2 September, with another person injured. Avoid isolated areas at night, keep valuables discreet, and follow local advice (franceguyane.fr).

Recent News

  • A fire at the Maringouins waste site on 2 September involved about 1,000 square metres of rubbish. Firefighters were still working at the scene, and smoke or temporary disruption may affect the route to Dégrad-des-Cannes (franceinfo.fr).
  • A house fire in Cayenne’s Manguiers district on 4 September threatened nearby homes and sent three people to hospital. The fire was brought under control, but visitors should avoid emergency-response areas (franceguyane.fr).