Climate Overview
The climate in Tarrafal de São Nicolau is warm and mild. The average annual temperature is 23°C and approximately 102mm of precipitation falls per year. September is the wettest month, receiving around 41mm of rainfall. Tarrafal de São Nicolau is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are March, February, April, when temperatures can drop to 21°C.
Temperature
Tarrafal de São Nicolau has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is September, when average highs reach 27°C and the mean temperature sits around 26°C. March is the coolest month, with minimum temperatures around 21°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Tarrafal de São Nicolau is a quite dry location, receiving approximately 102mm of precipitation annually, which averages out to around 9mm per month. The wettest month is September, averaging 41mm of rainfall. August and October also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 41mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Tarrafal de São Nicolau is very windy, with an average annual wind speed of 30km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 35km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 33km/h in winter, 33km/h in spring, 26km/h in summer, 28km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Tarrafal de São Nicolau, which began on March 20, 2026. Tarrafal de São Nicolau is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 27°C, while the coldest stretch bottoms out in March near 21°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 21 to 23°C. Precipitation is minimal, with only around 1mm for the entire season. Winds are strong, averaging 33km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 23 to 26°C. Precipitation is minimal, with only around 26mm for the entire season. Winds are strong, averaging 26km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 67mm over the season and a monthly average of 22mm. Winds are strong, averaging 28km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 21 to 24°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are strong, averaging 33km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Tarrafal de São Nicolau is during January, February, March, April, May, June, July, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 2mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 27°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Tarrafal de São Nicolau based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.