August weather forecast
São Belchior, Guinea-Bissau

August

Weather in August

The last month of the summer, August, is also a moderately hot month in São Belchior, Guinea-Bissau, with an average temperature fluctuating between 23.8°C (74.8°F) and 29.9°C (85.8°F).

Temperature

August stands out as São Belchior's coldest month, with temperatures ranging between an average high of 29.9°C (85.8°F) and a low of 23.8°C (74.8°F).

Heat index

Throughout August, the heat index is calculated to be a very hot 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. 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 quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

August and September, with an average relative humidity of 85%, are the most humid months.

Rainfall

August is the month with the most rainfall in São Belchior. Rain falls for 25.7 days and accumulates 286mm (11.26") of precipitation.

Daylight

The average length of the day in August in São Belchior is 12h and 31min.
On the first day of the month, sunrise is at 06:46 and sunset at 19:25. On the last day of August, sunrise is at 06:49 and sunset at 19:10 GMT.

Sunshine

The month with the least sunshine is August, with an average of 5.1h of sunshine.

UV index

The month with the lowest UV index in São Belchior is August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Deflect overexposure. Sun protection is a necessity. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What time of the year is the coldest in São Belchior?
August stands out as São Belchior's coldest month, with an average high-temperature of 29.9°C (85.8°F) and a low-temperature of 23.8°C (74.8°F).
How hot is it in São Belchior in August?
An average high-temperature, in August, in São Belchior, is 29.9°C (85.8°F) and the average low-temperature is 23.8°C (74.8°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 39°C (102.2°F).
What is the most humid month in São Belchior?
The months with the highest humidity in São Belchior, Guinea-Bissau, are August and September, with an average relative humidity of 85%.
What is the average humidity in August in São Belchior?
The average relative humidity in August is 85%.
What is the rainiest month in São Belchior?
August is the month with the most rainfall in São Belchior. Rain falls for 25.7 days and accumulates 286mm (11.26") of precipitation.
How much does it rain in São Belchior in August?
In August, the rain falls for 25.7 days. Throughout August, 286mm (11.26") of precipitation is accumulated.
What is the average length of the day in August in São Belchior?
In August, the average day length in São Belchior, Guinea-Bissau, is 12h and 31min.
When are sunrise and sunset in August in São Belchior?
On the first day of August in São Belchior, sunrise is at 06:46 and sunset at 19:25. On the last day of the month, sunrise is at 06:49 and sunset at 19:10 GMT.
What is the month with the least sunshine in São Belchior?
August has the least sunshine of the year, with an average of 5.1h of sunshine.
How many hours of sunshine does São Belchior have in August?
The average sunshine duration in August in São Belchior, Guinea-Bissau, is 5.1h.
What is the month with the lowest UV index in São Belchior?
August is the month with the lowest UV index in São Belchior, Guinea-Bissau, with an average maximum UV index of 6.
How high is the UV index in August in São Belchior?
The average daily maximum UV index in August in São Belchior, Guinea-Bissau, is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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 August
São Belchior, Guinea-Bissau
  • Average high temperature in August: 29.9°C

The warmest month (with the highest average high temperature) is March (40.2°C).
The month with the lowest average high temperature is August (29.9°C).

  • Average low temperature in August: 23.8°C

The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is February (18.5°C).

Average pressure in August
São Belchior, Guinea-Bissau
  • Average pressure in August: 1012.7mbar

The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is April (1010mbar).

Average wind speed in August
São Belchior, Guinea-Bissau
  • Average wind speed in August: 7.8km/h

The windiest month (with the highest average wind speed) is May (9.4km/h).
The calmest month (with the lowest average wind speed) is October (5.7km/h).

Average humidity in August
São Belchior, Guinea-Bissau
  • Average humidity in August: 85%

The months with the highest relative humidity are August and September (85%).
The month with the lowest relative humidity is January (32%).

Average rainfall in August
São Belchior, Guinea-Bissau
  • Average rainfall in August: 286mm

The wettest month (with the highest rainfall) is August (286mm).
The driest months (with the least rainfall) are January, February and December (0mm).

Average rainfall days in August
São Belchior, Guinea-Bissau
  • Average rainfall days in August: 25.7 days

The month with the highest number of rainy days is August (25.7 days).
The months with the least rainy days are January and February (0 days).

Average daylight in August /
Average sunshine in August
São Belchior, Guinea-Bissau
  • Average daylight in August: 12h and 3min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in August: 5h and 1min

The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 6min).

Average sunshine days in August
São Belchior, Guinea-Bissau
  • Average sunshine days in August: 4 days

The month with the most sunshine days is January (30.9 days).
The month with the least sunshine days is August (4 days).

Average UV index in August
São Belchior, Guinea-Bissau
  • Average UV index in August: 6

The months with the highest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 7).
The month with the lowest UV index is August (UV index 6).

Average cloud cover in August
São Belchior, Guinea-Bissau
  • Average cloud cover in August: 65

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is March (Cloud cover 7).

Average visibility in August
São Belchior, Guinea-Bissau
  • Average visibility in August: 8km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).

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