Climate and monthly weather forecastBas-Espoir, French Guiana
Climate and monthly weather forecast
The climate of Bas-Espoir
Located in French Guiana, Bas-Espoir is home to a predominant climatic type known as Tropical rainforest, as defined by the Köppen climate classification. This climate type, Af, distinguishes itself with high year-round temperatures and abundant rainfall.Throughout the year, Bas-Espoir does not exhibit significant temperature variations, maintaining a warm climate across all twelve months. Average temperature highs range between 29.3°C (84.7°F) and 34.9°C (94.8°F), while the lows stay within a range of 20.5°C (68.9°F) to 21.9°C (71.4°F). The hottest period usually occurs between August and October when the highest monthly average temperatures climb above 34°C (93.2°F). In comparison, the coldest month, with the lowermost average low temperature of 20.5°C (68.9°F), appears during the month of August.
As expected in a tropical rainforest climate, Bas-Espoir experiences high humidity, with average relative humidity values fluctuating between 72% and 90%. The relative humidity is slightly higher during the first half of the year and decreases towards the second half.
Rainfall is a significant aspect of the climate, with high monthly averages ranging from 21mm (0.83") to 192mm (7.56"). The wettest period extends from April to May, with rainfall exceeding 100mm (3.94"). On the contrary, the driest period is from September to October, with the least monthly average precipitation falling below 40mm (1.57").
Skies in Bas-Espoir are often cloud covered, with percentage of cloudiness varying from 44% to 81%. The least cloudy skies are observed between August and October.
Wind speed is not a significant factor in Bas-Espoir's climate, with the average wind speed fluctuating between 4.2km/h (2.6mph) and 5.3km/h (3.3mph).
The best time to visit Bas-Espoir
For outdoor enthusiasts and tourists seeking more sunshine hours, the optimal time to visit Bas-Espoir would be between August and October. This period is marked by warmer temperatures, less rainfall, and the least cloudiness, promoting more visibility and longer daylight hours compared to other months. This period also features the highest average daily sunshine hours, falling between 8.6 hours and 8.8 hours, providing longer windows for outdoor activities.The worst time to visit Bas-Espoir
Travelers might want to avoid visiting Bas-Espoir from April to May. This period is characterized by the highest rainfall averages, with a maximum of 192mm (7.56") in May. These months also experience decreased sunshine hours and visibility due to the heavy rainfall and increased cloud coverage.Spring weather in Bas-Espoir
In Bas-Espoir, Spring months - March to May - are highlighted by high temperatures, with averages varying between 29.8°C (85.6°F) and 30.1°C (86.2°F) for highs and 21°C (69.8°F) to 21.9°C (71.4°F) for lows. April and May are the wettest months of the year, revealing rainfall averages of 129mm (5.08") and 192mm (7.56") respectively. The average relative humidity during the Spring months ranges from 86% to 90%.Summer weather in Bas-Espoir
The summer months in Bas-Espoir - June to August - maintain the tropical climate pattern with average high temperatures oscillating between 31.1°C (88°F) to 32.8°C (91°F) and lows between 20.5°C (68.9°F) and 21.1°C (70°F). While rainfall decreases following the Spring season with averages between 76mm (2.99") to 123mm (4.84"), humidity levels also decline, ranging from 79% to 88% on average.Autumn weather in Bas-Espoir
Autumn corresponds to September to November in Bas-Espoir. Average high temperatures during these months hover between 34°C (93.2°F) and 34.9°C (94.8°F) while lows settle between 20.5°C (68.9°F) and 21°C (69.8°F). Autumn features less rainfall, with averages falling from 21mm (0.83") to 43mm (1.69"). Likewise, the humidity levels are lower, ranging from 72% to 75% on average.Winter weather in Bas-Espoir
Winter months - December to February - in Bas-Espoir experience average high temperatures between 29.3°C (84.7°F) and 29.7°C (85.5°F) and lows from 20.8°C (69.4°F) to 21.2°C (70.2°F). This period sees more rainfall compared to the autumn months, with average precipitation rising to 86mm (3.39") to 112mm (4.41"). The average relative humidity in winter ranges from 85% to 88%.Weather in January
In Bas-Espoir, French Guiana, January presents weather conditions typical of the tropical climate present in the region. Showers make frequent appearances throughout the month while the sun shines for a few hours per day. Atmospheric pressure steadies around 1011.8 mb with a slight breeze averaging just over 5km/h (3.1mph). Weather in January »Weather in February
Shifting into February, the weather in Bas-Espoir does not change dramatically from the preceding month. The sunlit hours slightly decrease, though the rain prevalence continues. February has slightly more wind than January, with average speeds of around 5.3km/h (3.3mph). Weather in February »Weather in March
March experiences more sunlight hours and marginally less precipitation than February, signaling the progressive approach of the dry season. The prevailing weather conditions do not stray far from the typical tropical climate patterns, creating an environment that is both warm and humid. Weather in March »Weather in April
April's weather presents a remarkable increase in rainfall of 129mm (5.08") in Bas-Espoir. Thus, April signals the onset of the city's heavier rainfall period. Itineraries and plans during this month should include allowances for the ensuing rainy weather. Weather in April »Weather in May
The weather of Bas-Espoir undergoes a drastic change in May with an upswing in rainfall, reaching the maximum amount of 192mm (7.56") for the entire year. This month thus marks the peak of the rainy season. Taking into account the increased precipitation with the consistent high temperatures characterizes May as the wettest month of the year. Weather in May »Weather in June
Entering the month of June, weather conditions begin to gradually transition towards the dry season with rainfall reducing to 123mm (4.84"). A more enticing climate manifests with an increase in sunshine hours per day. The conditions of June are characterized by settled and fairer weather, improving chances for outdoor exploits. Weather in June »Weather in July
July's weather in Bas-Espoir continues the trend of decreasing rainfall evident from June, coupled with an increase in sunshine hours. With the rainfall reduced to 97mm (3.82") and daylight lasting longer, the city fully embraces the transition towards the dry season during this month. Weather in July »Weather in August
The weather in August signals a significant shift with reduced precipitation of 76mm (2.99") and increased sunshine hours reaching a peak of 8.6 hours per day. The city's transition into the dry season becomes apparent with clearer skies and less rainfall. Weather in August »Weather in September
In Bas-Espoir, September's climate is characterized by dry conditions and hot temperatures reaching an average high of 34.1°C (93.4°F). The city experiences an impressive decrease in rainfall to 36mm (1.42"), the lowest so far this year, further cementing the dominance of the dry season during this period. Weather in September »Weather in October
October continues to maintain the dry season's character with an even further decrease in rainfall to 21mm (0.83"), showcasing the driest month of the year in Bas-Espoir. Despite the reduction in precipitation, the climate remains balmy due to consistent high temperatures. Weather in October »Weather in November
November sees a shift in weather as Bas-Espoir begins transitioning back into its rainy season. The city experiences an increase in rain, reaching 43mm (1.69"), after the notably dry preceding months. Despite the change in weather, the high temperatures, consistent throughout the year, persist in November. Weather in November »Weather in December
In December, rainfall increases to 112mm (4.41"), signaling the transition back towards the rainy season in Bas-Espoir. The average high temperature drops to 30.8°C (87.4°F), marking the coolest month of the year. Notably, the number of sunshine days reduces, making it the month with the least exposure to the sun's rays. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Bas-Espoir, French Guiana
The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).
The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).
Average pressure
Bas-Espoir, French Guiana
- Average pressure in January:
1011.8mbar - Average pressure in February:
1011.6mbar - Average pressure in March:
1011.7mbar - Average pressure in April:
1011.8mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1013mbar
- Average pressure in July:
1013mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1011.6mbar - Average pressure in October:
1010.2mbar - Average pressure in November:
1009.4mbar - Average pressure in December:
1010.7mbar
The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed
Bas-Espoir, French Guiana
- Average wind speed in January:
5.1km/h - Average wind speed in February:
5.3km/h - Average wind speed in March:
5.3km/h - Average wind speed in April:
4.8km/h - Average wind speed in May:
4.5km/h - Average wind speed in June:
4.3km/h
- Average wind speed in July:
4.2km/h - Average wind speed in August:
4.5km/h - Average wind speed in September:
4.9km/h - Average wind speed in October:
5.2km/h - Average wind speed in November:
5.3km/h - Average wind speed in December:
5.1km/h
The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).
Average humidity
Bas-Espoir, French Guiana
The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Bas-Espoir, French Guiana
- Average rainfall in January:
86mm - Average rainfall in February:
81mm - Average rainfall in March:
82mm - Average rainfall in April:
129mm - Average rainfall in May:
192mm - Average rainfall in June:
123mm
The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).
Average rainfall days
Bas-Espoir, French Guiana
- Average rainfall days in January:
26.8 days - Average rainfall days in February:
25.8 days - Average rainfall days in March:
26.8 days - Average rainfall days in April:
26.3 days - Average rainfall days in May:
25.9 days - Average rainfall days in June:
24.5 days
- Average rainfall days in July:
24.6 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
15.1 days - Average rainfall days in December:
26.2 days
The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).
Average daylight / Average sunshine
Bas-Espoir, French Guiana
- Average daylight in January:
11h and 54min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 18min - Average daylight in June:
12h and 18min
- Average daylight in July:
12h and 18min - Average daylight in August:
12h and 12min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 54min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
4h and 0min - Average sunshine in March:
4h and 42min - Average sunshine in April:
4h and 36min - Average sunshine in May:
5h and 6min - Average sunshine in June:
6h and 36min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
8h and 36min - Average sunshine in September:
8h and 48min - Average sunshine in October:
8h and 48min - Average sunshine in November:
8h and 12min - Average sunshine in December:
5h and 36min
The months with the most sunshine are September and October (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Bas-Espoir, French Guiana
- Average sunshine days in January:
2.3 days - Average sunshine days in February:
1.8 days - Average sunshine days in March:
2.7 days - Average sunshine days in April:
2.5 days - Average sunshine days in May:
3.4 days - Average sunshine days in June:
3.3 days
- Average sunshine days in July:
4.3 days - Average sunshine days in August:
9.5 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
3.7 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).
Average UV index
Bas-Espoir, French Guiana
The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).
Average cloud cover
Bas-Espoir, French Guiana
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).
Average visibility
Bas-Espoir, French Guiana
The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).





