March weather forecast
São Francisco do Maranhão, Brazil

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Weather in March

The first month of the autumn, March, is still a tropical month in São Francisco do Maranhão, Brazil, with an average temperature varying between 22.8°C (73°F) and 31.4°C (88.5°F).

Temperature

In São Francisco do Maranhão, the coldest period comes during March and April, when the average high-temperature touches 31.4°C (88.5°F).

Heat index

The heat index value for March is computed to be a blistering 41°C (105.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

With an average relative humidity of 78%, March is the most humid month in São Francisco do Maranhão.

Rainfall

March is the month with the most rainfall. Rain falls for 26.8 days and accumulates 137mm (5.39") of precipitation.

Daylight

The average length of the day in March is 12h and 8min.
On the first day of March in São Francisco do Maranhão, sunrise is at 05:57 and sunset at 18:10. On the last day of the month, sunrise is at 05:53 and sunset at 17:56 -03.

Sunshine

In São Francisco do Maranhão, the average sunshine in March is 8.3h.

UV index

The months with the lowest UV index in São Francisco do Maranhão are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In March, the maximum UV index of 7 suggests this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What are the coldest months in São Francisco do Maranhão?

March and April bring São Francisco do Maranhão's average lowest temperatures, reaching a high of 31.4°C (88.5°F).

Is it hot in São Francisco do Maranhão during March?

The average high-temperature, in March, in São Francisco do Maranhão, is 31.4°C (88.5°F), while the average low-temperature is 22.8°C (73°F). In March, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 41°C (105.8°F).

What is the most humid month in São Francisco do Maranhão?

March is the most humid month, with an average relative humidity of 78%.

What is the average humidity in March in São Francisco do Maranhão?

In March, the average relative humidity is 78%.

What is the wettest month in São Francisco do Maranhão?

March is the month with the most rainfall in São Francisco do Maranhão, Brazil. Rain falls for 26.8 days and accumulates 137mm (5.39") of precipitation.

How many days does it rain in March in São Francisco do Maranhão?

In São Francisco do Maranhão, during March, the rain falls for 26.8 days and regularly aggregates up to 137mm (5.39") of precipitation.

How many hours of daylight does São Francisco do Maranhão have in March?

In São Francisco do Maranhão, the average day length in March is 12h and 8min.

When are sunrise and sunset in March in São Francisco do Maranhão?

In March, on the first day of the month, sunrise is at 05:57 and sunset at 18:10. On the last day of the month, in São Francisco do Maranhão, sunrise is at 05:53 and sunset at 17:56 -03.

How many hours of sunshine does São Francisco do Maranhão have in March?

In São Francisco do Maranhão, Brazil, the average sunshine duration in March is 8.3h.

What are the months with the lowest UV index in São Francisco do Maranhão?

The months with the lowest UV index in São Francisco do Maranhão are January through August, October through December, with an average maximum UV index of 7.

What is the UV index reading in March in São Francisco do Maranhão?

In March, the average daily maximum UV index in São Francisco do Maranhão is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
São Francisco do Maranhão, Brazil

Average temperature in March - São Francisco do Maranhão, Brazil
  • Average high temperature in March: 31.4°C

The warmest months (with the highest average high temperature) are September and October (36.5°C).
The months with the lowest average high temperature are March and April (31.4°C).

  • Average low temperature in March: 22.8°C

The month with the highest average low temperature is October (25°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).

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Average pressure in March
São Francisco do Maranhão, Brazil

Average pressure in March - São Francisco do Maranhão, Brazil
  • Average pressure in March: 1010.8mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

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Average wind speed in March
São Francisco do Maranhão, Brazil

Average wind speed in March - São Francisco do Maranhão, Brazil
  • Average wind speed in March: 7.3km/h

The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.3km/h).

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Average humidity in March
São Francisco do Maranhão, Brazil

Average humidity in March - São Francisco do Maranhão, Brazil
  • Average humidity in March: 78%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is September (39%).

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Average rainfall in March
São Francisco do Maranhão, Brazil

Average rainfall in March - São Francisco do Maranhão, Brazil
  • Average rainfall in March: 137mm

The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (0mm).

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Average rainfall days in March
São Francisco do Maranhão, Brazil

Average rainfall days in March - São Francisco do Maranhão, Brazil
  • Average rainfall days in March: 26.8 days

The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.5 days).

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Average daylight in March /
Average sunshine in March
São Francisco do Maranhão, Brazil

Average daylight in March / Average sunshine in March - São Francisco do Maranhão, Brazil
  • Average daylight in March: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in March: 8h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).

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Average sunshine days in March
São Francisco do Maranhão, Brazil

Average sunshine days in March - São Francisco do Maranhão, Brazil
  • Average sunshine days in March: 3.1 days

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (3.1 days).

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Average UV index in March
São Francisco do Maranhão, Brazil

Average UV index in March - São Francisco do Maranhão, Brazil
  • Average UV index in March: 7

The month with the highest UV index is September (UV index 8).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).

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Average cloud cover in March
São Francisco do Maranhão, Brazil

Average cloud cover in March - São Francisco do Maranhão, Brazil
  • Average cloud cover in March: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in March
São Francisco do Maranhão, Brazil

Average visibility in March - São Francisco do Maranhão, Brazil
  • Average visibility in March: 9km

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

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São Francisco do Maranhão, Brazil

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