March weather forecastFlèche, French Guiana
March
Weather in March
The first month of the spring, March, is also a moderately hot month in Flèche, French Guiana, with an average temperature fluctuating between 29.5°C (85.1°F) and 22.8°C (73°F).Temperature
The start of March marks an average high-temperature of a still warm 29.5°C (85.1°F), hardly distinguishable from the conditions in February. Flèche experiences an average temperature drop to a pleasant 22.8°C (73°F) during March nights.Heat index
Throughout March, the heat index is appraised at a very hot 37°C (98.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in March is 82%.Rainfall
In Flèche, in March, during 25.3 rainfall days, 46mm (1.81") of precipitation is typically accumulated. Throughout the year, there are 253 rainfall days, and 878mm (34.57") of precipitation is accumulated.Daylight
In March, the average length of the day in Flèche is 12h and 5min.On the first day of the month, sunrise is at 06:45 and sunset at 18:46. On the last day of March, in Flèche, French Guiana, sunrise is at 06:32 and sunset at 18:42 -03.
Sunshine
The average sunshine in March is 5.4h.UV index
January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Flèche, French Guiana. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during March translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Flèche, French Guiana
- Average high temperature in March: 29.5°C
The warmest month (with the highest average high temperature) is October (33.1°C).
The month with the lowest average high temperature is February (29.1°C).
- Average low temperature in March: 22.8°C
The month with the highest average low temperature is May (23.3°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).
Average pressure in March
Flèche, French Guiana
- Average pressure in March: 1012mbar
The months with the highest atmospheric pressure are June and July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in March
Flèche, French Guiana
- Average wind speed in March: 9.5km/h
The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in March
Flèche, French Guiana
- Average humidity in March: 82%
The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is October (77%).
Average rainfall in March
Flèche, French Guiana
- Average rainfall in March: 46mm
The wettest month (with the highest rainfall) is May (137mm).
The driest month (with the least rainfall) is October (23mm).
Average rainfall days in March
Flèche, French Guiana
- Average rainfall days in March: 25.3 days
The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is September (11.5 days).
Average daylight in March /
Average sunshine in March
Flèche, French Guiana
- Average daylight in March: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in March: 5h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in March
Flèche, French Guiana
- Average sunshine days in March: 2.9 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (1.8 days).
Average UV index in March
Flèche, French Guiana
- Average UV index in March: 6
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover in March
Flèche, French Guiana
- Average cloud cover in March: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in March
Flèche, French Guiana
- Average visibility in March: 9km
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are June, July and August (7km).





