August weather forecastCatió, Guinea-Bissau
August
Weather in August
August upkeeps the wet dominant climate in Catió, replicating July’s rainfall patterns with a subtle increase. It is recognized for gearing up the atmosphere for an onset of cooler autumn months. Although August remains dominated by the rain, it exhibits a promising pattern of weather transition towards the end of the month. The month witnesses the least amount of sunlight in the year, owing to dense cloud cover. With the highest percentage of cloud cover in the year, it makes for some spectacular sunset views against the contrasting bright colours of dusk.Temperature
In Catió, the month of August registers the lowest temperatures, averaging 29.9°C (85.8°F) at the peak and 23.8°C (74.8°F) at the lowest.Heat index
For most parts of August, the heat index is estimated at a sweltering 39°C (102.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
August and September, with an average relative humidity of 85%, are the most humid months.Rainfall
The month with the most rainfall is August, when the rain falls for 25.7 days and typically aggregates up to 286mm (11.26") of precipitation.Daylight
In Catió, the average length of the day in August is 12h and 29min.On the first day of the month, sunrise is at 06:49 and sunset at 19:25. On the last day of August, sunrise is at 06:50 and sunset at 19:11 GMT.
Sunshine
With an average of 5.1h of sunshine, August has the least sunshine of the year.UV index
With an average maximum UV index of 6, August is the month with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Catió, 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
Catió, 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
Catió, 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
Catió, 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
Catió, 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
Catió, 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
Catió, Guinea-Bissau
- Average daylight in August: 12h and 30min
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 30min).
- Average sunshine in August: 5h and 6min
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
Catió, 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
Catió, 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
Catió, 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
Catió, 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).





