Climate and monthly weather forecastOscar, French Guiana
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Oscar, French Guiana, with an average temperature varying between 28.4°C (83.1°F) and 22°C (71.6°F). As January unfolds, the average high-temperature reaches a still moderately hot 28.4°C (83.1°F), hinting at a slight fluctuation from the previous month. Weather in January »Weather in February
February, the last month of the winter in Oscar, is another warm month, with an average temperature ranging between min 22.3°C (72.1°F) and max 27.9°C (82.2°F). In Oscar, the lowest average temperatures are observed in February, with a high of 27.9°C (82.2°F) and a low of 22.3°C (72.1°F). For most parts of February, the heat index is evaluated at a tropical 33°C (91.4°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Oscar, French Guiana, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 28.8°C (83.8°F). Oscar's average high-temperature marks a still warm 28.8°C (83.8°F) with the advent of March, closely mirroring that of the preceding month. Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Oscar, French Guiana, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 22.4°C (72.3°F). The start of April witnesses a high-temperature average of a still moderately hot 28.8°C (83.8°F), equal to that of March. Weather in April »Weather in May
May, the last month of the spring in Oscar, is also a moderately hot month, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 28.8°C (83.8°F). The average high-temperature is a still moderately hot 28.8°C (83.8°F) in May, consistent with April. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Oscar, French Guiana, with an average temperature varying between 29.3°C (84.7°F) and 21.8°C (71.2°F). In June, Oscar's weather conditions record an average high-temperature of a still warm 29.3°C (84.7°F), demonstrating little divergence from the preceding month. Weather in June »Weather in July
July in Oscar, French Guiana, is a hot summer month, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 30.3°C (86.5°F). July's arrival brings an average high-temperature of a hot 30.3°C (86.5°F), demonstrating subtle variation from the preceding month. Weather in July »Weather in August
August, the last month of the summer in Oscar, is another hot month, with an average temperature ranging between max 32.3°C (90.1°F) and min 21.7°C (71.1°F). Oscar's weather in August, with an average high-temperature of a still hot 32.3°C (90.1°F), subtly shifts from July's 30.3°C (86.5°F). Weather in August »Weather in September
September, the first month of the autumn in Oscar, is still a tropical month, with an average temperature ranging between max 33.7°C (92.7°F) and min 21.8°C (71.2°F). Oscar, French Guiana, experiences a recorded average high-temperature of a still tropical 33.7°C (92.7°F) in September, closely aligned with August's 32.3°C (90.1°F). Weather in September »Weather in October
October, like September, is a hot autumn month in Oscar, French Guiana, with an average temperature varying between 22.2°C (72°F) and 34.3°C (93.7°F). Oscar's October weather, marked by an average high temperature of 34.3°C (93.7°F) and an average low temperature of 22.2°C (72°F), is the warmest in the year. The heat index in October is evaluated at a life-threatening hot 51°C (123.8°F). Weather in October »Weather in November
The last month of the autumn, November, is another tropical month in Oscar, French Guiana, with temperature in the range of an average high of 33°C (91.4°F) and an average low of 22.2°C (72°F). November begins with an average high-temperature of a still tropical 33°C (91.4°F), reflecting close similarity to the preceding month. Weather in November »Weather in December
December, the first month of the winter in Oscar, is still a warm month, with an average temperature varying between 22°C (71.6°F) and 29.8°C (85.6°F). December indicates a minor shift in the average high-temperature, from November's tropical 33°C (91.4°F) to a warm 29.8°C (85.6°F). Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Oscar, during the entire year, the rain falls for 270.6 days and collects up to 1131mm (44.53") of precipitation.
The months with the lowest UV index in Oscar are January through July, November and December, with an average maximum UV index of 6.
February is the month that records the lowest temperatures in Oscar, with averages ranging from a high of 27.9°C (82.2°F) to a low of 22.3°C (72.1°F).
February has the least sunshine of the year in Oscar, French Guiana, with an average of 4h of sunshine.
May is the most humid month in Oscar, with an average relative humidity of 91%.
May is the month with the most rainfall. Rain falls for 28.9 days and accumulates 195mm (7.68") of precipitation.
The month with the longest days is June, with an average of 12h and 18min of daylight.
August through October, with an average maximum UV index of 7, are months with the highest UV index.
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 21mm (0.83") of precipitation.
With an average of 8.8h of sunshine, September has the most sunshine of the year.
October temperatures tend to peak at an average high of 34.3°C (93.7°F) and dip to a low of 22.2°C (72°F).
With an average relative humidity of 75%, October is the least humid month in Oscar.
The month with the shortest days is December, with an average of 12h and 0min of daylight.
Oscar, French Guiana, does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Oscar, French Guiana
The warmest month (with the highest average high temperature) is October (34.3°C).
The month with the lowest average high temperature is February (27.9°C).
The month with the highest average low temperature is April (22.4°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure
Oscar, French Guiana
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1011.8mbar - Average pressure in April:
1011.8mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1012.1mbar - Average pressure in October:
1010.6mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.8mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed
Oscar, French Guiana
- Average wind speed in January:
5.6km/h - Average wind speed in February:
5.7km/h - Average wind speed in March:
5.8km/h - Average wind speed in April:
5.3km/h - Average wind speed in May:
4.7km/h - Average wind speed in June:
4.2km/h
- Average wind speed in July:
4.5km/h - Average wind speed in August:
5.3km/h - Average wind speed in September:
6km/h - Average wind speed in October:
6.1km/h - Average wind speed in November:
5.9km/h - Average wind speed in December:
5.6km/h
The windiest month (with the highest average wind speed) is October (6.1km/h).
The calmest month (with the lowest average wind speed) is June (4.2km/h).
Average humidity
Oscar, French Guiana
The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Oscar, French Guiana
- Average rainfall in January:
92mm - Average rainfall in February:
90mm - Average rainfall in March:
86mm - Average rainfall in April:
142mm - Average rainfall in May:
195mm - Average rainfall in June:
133mm
The wettest month (with the highest rainfall) is May (195mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days
Oscar, French Guiana
- Average rainfall days in January:
25.4 days - Average rainfall days in February:
22.9 days - Average rainfall days in March:
25.9 days - Average rainfall days in April:
26.5 days - Average rainfall days in May:
28.9 days - Average rainfall days in June:
26.6 days
- Average rainfall days in July:
26.8 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12 days - Average rainfall days in November:
16.9 days - Average rainfall days in December:
25.1 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (12 days).
Average daylight / Average sunshine
Oscar, French Guiana
- Average daylight in January:
12h and 0min - 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 6min - Average daylight in November:
12h and 0min - Average daylight in December:
12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 0min - Average sunshine in March:
4h and 36min - Average sunshine in April:
4h and 48min - Average sunshine in May:
5h and 30min - Average sunshine in June:
6h and 48min
- Average sunshine in July:
7h and 24min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 48min - Average sunshine in October:
8h and 42min - Average sunshine in November:
8h and 0min - Average sunshine in December:
5h and 54min
The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Oscar, French Guiana
- Average sunshine days in January:
4.8 days - Average sunshine days in February:
4.9 days - Average sunshine days in March:
4.2 days - Average sunshine days in April:
2.7 days - Average sunshine days in May:
1.8 days - Average sunshine days in June:
2 days
- Average sunshine days in July:
2.5 days - Average sunshine days in August:
6.4 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
4.5 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is May (1.8 days).
Average UV index
Oscar, French Guiana
The months with the highest UV index are August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 6).
Average cloud cover
Oscar, French Guiana
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is October (Cloud cover 46).
Average visibility
Oscar, French Guiana
The months with the highest visibility are September and October (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, November and December (6km).
