When to go · Cayenne
Cayenne in July
Mixed month. Rain easing late in the month.
Key facts
- Verdict
- Mixed
- Temperature
- 30° / 23°
- average high / low
- Rain days
- 15
- Crowds
- Medium
- French Guiana overall
- Prices
- High
- French Guiana overall
Verdict
Rain easing late in the month.
Weather in July
- CayenneHighs around 30 °C, lows around 23 °C, rain on about 15 days
- Coast (Cayenne to Saint-Laurent), French Guiana · Cayenne, Kourou, Sinnamary, Saint-Laurent, Awala-Yalimapofine
Hot and humid, 23–32 °C. Dry season mid-August–November; the 'petit été de mars' brings a short drier break in March; heaviest rain April–June.
Sea-turtle nesting season
Leatherback and green turtles nest on beaches near Cayenne; guided night visits are the responsible way to see it.
Watch: Confirm current-year dates and any beach access restrictions locally.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Bastille Day
14 July · Nationwide
National holiday with a parade; road closures around the centre.
Sea-turtle nesting season check
Roughly April to August, peak varies by species · Beaches near Cayenne and further along the coast
Guided night visits become possible; independent access to nesting beaches may be restricted at night — confirm locally.
Crowds and prices
- Crowds · French Guiana overall
- Medium
- Prices · French Guiana overall
- High
French Guiana overall: Rain easing; French holidays push fares up.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast