March weather forecast
Ribeira Afonso, São Tomé and Príncipe

March

Weather in March

As the year progresses into March, the weather in Ribeira Afonso starts warming up. The temperature reaches 28.8°C (83.8°F), the hottest the city will see throughout the year. Rainfall increases to 119mm (4.69"), while the relative humidity slightly drops to 76%. Sunshine hours carry on from February's pattern, indicating a shift towards sunnier days. Higher temperatures, increased sunlight and continued rainfall make March the beginning of the high season for outdoor activities.

Temperature

In Ribeira Afonso, March is identified by the highest average temperatures, reaching a peak of 28.8°C (83.8°F) and a low of 27.5°C (81.5°F).

Heat index

During March, the heat index is evaluated at a tropical 33°C (91.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

With an average relative humidity of 76%, March is the least humid month.

Rainfall

In March, the rain falls for 24.4 days. Throughout March, 119mm (4.69") of precipitation is accumulated. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

In Ribeira Afonso, the average length of the day in March is 12h and 7min.
On the first day of the month, sunrise is at 05:42 and sunset at 17:48. On the last day of March, sunrise is at 05:33 and sunset at 17:40 GMT.

Sunshine

In Ribeira Afonso, the average sunshine in March is 8.4h.

UV index

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in March, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What part of the year is the hottest?
March, having an average high-temperature of 28.8°C (83.8°F) and an average low-temperature of 27.5°C (81.5°F), is the warmest month.
How hot does it get in March?
The high-temperature in Ribeira Afonso during March is 28.8°C (83.8°F) and the low-temperature is 27.5°C (81.5°F). In March, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 33°C (91.4°F).
What is the least humid month?
The least humid month is March, with an average relative humidity of 76%.
What is the average humidity in March?
The average relative humidity in March is 76%.
How many days does it rain in March?
In Ribeira Afonso, São Tomé and Príncipe, during March, the rain falls for 24.4 days and regularly aggregates up to 119mm (4.69") of precipitation.
How many hours of daylight does Ribeira Afonso have in March?
In Ribeira Afonso, the average day length in March is 12h and 7min.
When are sunrise and sunset in March?
In March, on the first day of the month, sunrise is at 05:42 and sunset at 17:48. On the last day of the month, sunrise is at 05:33 and sunset at 17:40 GMT.
How many hours of sunshine does Ribeira Afonso have in March?
In Ribeira Afonso, the average sunshine duration in March is 8.4h.
When is the highest UV index?
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index.
How high is the UV index in March?
The average daily maximum UV index in March is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in March
Ribeira Afonso, São Tomé and Príncipe
  • Average high temperature in March: 28.8°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in March: 27.5°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in March
Ribeira Afonso, São Tomé and Príncipe
  • Average pressure in March: 1009.9mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

Average wind speed in March
Ribeira Afonso, São Tomé and Príncipe
  • Average wind speed in March: 11.7km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in March
Ribeira Afonso, São Tomé and Príncipe
  • Average humidity in March: 76%

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

Average rainfall in March
Ribeira Afonso, São Tomé and Príncipe
  • Average rainfall in March: 119mm

The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in March
Ribeira Afonso, São Tomé and Príncipe
  • Average rainfall days in March: 24.4 days

The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).

Average daylight in March /
Average sunshine in March
Ribeira Afonso, São Tomé and Príncipe
  • Average daylight in March: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are February and October (Average daylight: 12h and 6min).

  • Average sunshine in March: 8h and 2min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in March
Ribeira Afonso, São Tomé and Príncipe
  • Average sunshine days in March: 5.3 days

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

Average UV index in March
Ribeira Afonso, São Tomé and Príncipe
  • Average UV index in March: 7

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in March
Ribeira Afonso, São Tomé and Príncipe
  • Average cloud cover in March: 39

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).

Average visibility in March
Ribeira Afonso, São Tomé and Príncipe
  • Average visibility in March: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).

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