Cayenne Weather in January

In Cayenne, January brings high daytime temperatures around 29°C (84°F), with nights cooling to 24°C (75°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Cayenne in January

Cayenne is in the rainy season in January, with rain on around 20 days and an average of 257 mm (10 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Cayenne in January

Daytime temperatures in Cayenne reach 29°C (84°F) in January, dropping to 24°C (75°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. Even with its milder temperatures compared to the rest of the year, this month stays comfortably warm and inviting.

Sunshine in Cayenne in January

The city usually sees around 105 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

Wind Speed in Cayenne in January

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

Average water temperature in January

With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Cayenne.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit French Guiana, check out our Cayenne's climate page.

Cayenne Temperature in January

Min Temperature 24°C (75°F)  

Max Temperature 29°C (84°F)  

Water Temperature 27°C (81°F)  

Chance of Rain 67%  

Precipitation 257 mm (10 in)  

Rainy days 20 days  

Humidity 82%  

Windspeed 3 m/s (6 knots)  

Sunshine 105 hours  

Percentage Sunshine  

Daily Historical Temperatures

49-year average (1976-2026)

Based on our historical records, temperatures in Cayenne typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in January

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Daily Historical Precipitation

49-year average (1976-2026)

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

Average precipitation in January

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Cayenne in January

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

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Cayenne historical weather extremes in January

According to our 32 years of weather records for Cayenne, the following extremes were recorded between 1993 and 2025.

• Cayenne recorded its highest January temperature of 32°C (90°F) on January 1, 2005.
• The lowest daytime temperature in January was 24°C (75°F), recorded on January 20, 2009.
• The lowest overnight temperature recorded in January was 19°C (66°F) (January 23, 2020).
• The wettest day in January Cayenne was on January 20, 2009 with 160 mm (6.3 in) of precipitation.

What to Wear in Cayenne in January

Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Cayenne in January

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit French Guiana, check out our Cayenne's climate page.

More climate data for Cayenne

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Cayenne climate overview or explore weather in French Guiana.