Matoury
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Matoury Weather in August

August in Matoury typically sees daytime highs of 32°C (90°F) and nighttime lows of 24°C (75°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Matoury in August

You can typically expect 9 days of rain this month, averaging around 123 mm (4.8 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Matoury in August

Expect highs of 32°C (90°F) in Matoury in August, with nights dropping to around 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Matoury in August

The days are predominantly sunny, with an estimated total of around 235 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Matoury in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in August

The water is 28°C (82°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

For Matoury itself, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Matoury Temperature in August

Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Water Temperature
28°C (82°F) *
Chance of Rain
31%
Precipitation
123 mm (4.8 in)
Rainy days
9 days
Humidity
74% *
Windspeed
3 m/s (6 knots) *
Sunshine
235 hours *
Percentage Sunshine
*
* Data from: Cayenne, French Guiana (4 KM, 2 Miles).

Matoury Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Matoury - and find the best time to visit.

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Matoury typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in August

Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

Historical weather records for Matoury in August

Browse day-by-day weather records for Matoury spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Matoury historical weather extremes in August

Based on weather observations in Matoury between 1992 and 2026, these are the recorded extremes during August.

  • On August 31, 2024, temperatures climbed to 35°C (95°F), marking the warmest August day on record.
  • Matoury experienced its chilliest August day on August 12, 1999, reaching only 24°C (75°F).
  • Nighttime temperatures dropped to 21°C (70°F) on August 3, 1997, marking the coldest August night on record.
  • The wettest day in August Matoury was on August 20, 2014 with 83 mm (3.3 in) of precipitation.

Best Places in French Guiana in August

Find out more about the weather in French Guiana and which places have the best travel conditions in this month. See all of French Guiana in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Matoury in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Matoury in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Matoury 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.