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Sao Vicente Island in August: Weather, Average temperature and Climate

Take a look at past year’s weather for Sao Vicente Island in August and see if it is worth visiting.
Check flight prices to Sao Vicente Island on Avionero:
August

Weather in Sao Vicente Island in August 2025

Good Weather
Warm
☁️
Cloudy
Are you considering a trip to Sao Vicente Island in August? Well, the weather is usually on your side with an average maximum temperature of +77°F and about 7 sunny days. Just keep in mind that there may be some rain, with an average of 4 rainy days and 14 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+77°F
Avg. max. temperature
+70°F
Min.
+90°F
Max.
14 mm
Total precipitation
83%
Avg. humidity
5 m/s
Avg. wind
7 ☀️
Sunny Days
20 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Sao Vicente Island has good weather in August.

Average temperature in Sao Vicente Island in August

Here are the expected maximum, average and minimum temperatures in Sao Vicente Island for August based on the historical data.
Last Year
Historical Data

The temperature in August is +79°F on average, with a range between a maximum of +81°F during the day and a minimum of +75°F at night.

The average maximum temperature goes up 33% by the end of the month, compared with the beginning of the month, from +77°F to +79°F.

Is Sao Vicente Island warm or cold in August?

Sao Vicente Island is typically warm in August.

Maximum temperatures go up compared to the previous month from +75°F to +77°F. The minimum temperature also goes up from +73°F to +75°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

August is one of the warmest months in Sao Vicente Island, here is the comparison with other months:

Climate in Sao Vicente Island in August

Sao Vicente Island weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+75°F+77°F+79°F
Min. temperature
+68°F+70°F+73°F
Max. temperature
+86°F+90°F+90°F
Rainfall
1 mm14 mm26 mm
Wind
5 m/s5 m/s6 m/s
Humidity
83%83%83%
Air pressure
1014 HPa1012 HPa1013 HPa
Sunny days
878
Cloudy days
222016
Rainy days
146
Snowy days
000

August weather is still as good as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +75°F to +77°F during the day. Prepare for more rain. Average rainfall goes from 1 mm to 14 mm. Humidity levels don’t change as the month goes on, averaging around 83%. The average wind speed doesn’t change much during August, staying around 5 m/s. The days becoming less sunny, going from 8 sunny days in July to 7 in August.

September brings much the same weather, it remains good.

Wind

Wind speed in Sao Vicente Island in August based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Sao Vicente Island is gradually decreasing during August, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Sao Vicente Island based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in August stands at 13%, leading to total precipitation of around 37 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. Sao Vicente Island is amazing in August with as little as 4 rainy days on average, so plan adventures in the great outdoors.
August is one of the rainiest months in Sao Vicente Island, here is a comparison with other months, total mm:
Sao Vicente Island wettest month is September, where a typical day has a 20% chance of precipitation and 26 mm of rainfall per day. April, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.

How was the weather last August in Sao Vicente Island?

This is the weather in Sao Vicente Island in August 2023:
1 August
☀️
+77°F
2 August
☀️
+78°F
3 August
☀️
+78°F
4 August
☀️
+79°F
5 August
☁️
+78°F
6 August
☁️
+78°F
7 August
☁️
+77°F
8 August
☁️
+78°F
9 August
☁️
+78°F
10 August
☁️
+78°F
11 August
☁️
+78°F
12 August
☁️
+79°F
13 August
☀️
+80°F
14 August
☀️
+80°F
15 August
☀️
+79°F
16 August
☁️
+79°F
17 August
🌧️
+80°F
18 August
☁️
+81°F
19 August
☁️
+81°F
20 August
☁️
+80°F
21 August
🌧️
+79°F
22 August
☁️
+80°F
23 August
☀️
+81°F
24 August
☀️
+81°F
25 August
☁️
+80°F
26 August
☁️
+81°F
27 August
☀️
+81°F
28 August
☀️
+81°F
29 August
☁️
+81°F
30 August
🌧️
+80°F
31 August
🌧️
+80°F
In August 2023 Sao Vicente Island had 11 sunny days, 16 cloudy days, and 4 rainy days. The average maximum temperature was +79°F, with an absolute maximum of +81°F and a minimum of +77°F. The average humidity was 84%, with a maximum of 94% and a minimum of 74%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

This is how Sao Vicente Island climate has changed over the last 43 years.

The climate in Sao Vicente Island in August has not changed that much over the last 43 years.

The average temperature was the lowest in 1986 (+71°F) and the highest in 2017 (+80°F). The driest year was 1992 with only 13 mm of rainfall, and the wettest year was 2010 with 219 mm.

FAQ

Frequently asked questions about the weather in Sao Vicente Island in August:

Is August a good time to visit Sao Vicente Island?

August is a really good time to go to Sao Vicente Island. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Sao Vicente Island.

Can you sunbathe in Sao Vicente Island in August?

August is warm in Sao Vicente Island. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Sao Vicente Island rainy in August?

Sao Vicente Island is usually dry in August. Plan your packing around outdoor activities and exploring.

Is it sunny in Sao Vicente Island in August?

Usually, it’s not very sunny in Sao Vicente Island in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Cape Verde

Check out the weather for other cities in Cape Verde.

Monthly weather in Sao Vicente Island

Source of the data

For this page, we’ve looked at the typical weather in Sao Vicente Island, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.