Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The average temperatures reach their apex in August, averaging 28.5°C (83.3°F) at the high end and 17.3°C (63.1°F) at the low end.Heat index
August's heat index is appraised at a tropical 31°C (87.8°F). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Heat index determinations are made taking into account the shade and light air movements. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
August is the least humid month, with an average relative humidity of 66%.Rainfall
The months with the least rainfall are July and August Rain falls for 1.6 days and accumulates 2mm (0.08") of rain.Daylight
The average length of the day in August in São Francisco is 13h and 38min.On the first day of the month, sunrise is at 06:37 and sunset at 20:46. On the last day of August, sunrise is at 07:04 and sunset at 20:07 WEST.
Sunshine
In August, the average sunshine is 11h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What part of the year is the hottest in São Francisco?
How hot does it get in São Francisco in August?
What is the least humid month in São Francisco?
What is the average humidity in August in São Francisco?
What is the driest month in São Francisco?
How many days does it rain in August in São Francisco?
How many hours of daylight does São Francisco have in August?
When are sunrise and sunset in August in São Francisco?
How long on average sun shines in August in São Francisco?
When is the highest UV index in São Francisco?
What is the UV index intensity in August in São Francisco?
Average temperature in August
São Francisco, Portugal
- Average high temperature in August: 28.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in August: 17.3°C
The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).
Average pressure in August
São Francisco, Portugal
- Average pressure in August: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in August
São Francisco, Portugal
- Average wind speed in August: 13.6km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).
Average humidity in August
São Francisco, Portugal
- Average humidity in August: 66%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).
Average rainfall in August
São Francisco, Portugal
- Average rainfall in August: 2mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in August
São Francisco, Portugal
- Average rainfall days in August: 1.6 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).
Average daylight in August /
Average sunshine in August
São Francisco, Portugal
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in August
São Francisco, Portugal
- Average sunshine days in August: 28 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in August
São Francisco, Portugal
- Average UV index in August: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
São Francisco, Portugal
- Average cloud cover in August: 13
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
São Francisco, Portugal
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
São Francisco, Portugal
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