São Francisco do Sul weather in August
In August, São Francisco do Sul sees average daytime highs of 22°C and overnight lows near 14°C, with 87 mm of rain across 9.3 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels humid.
Daylight stretches from about 10 h 48 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is São Francisco do Sul's 2nd-clearest and 6th-windiest month. For the whole year in context, see São Francisco do Sul's year-round climate.
- Daytime high
- 22°
- 10th warmest
- Overnight low
- 14°
- 2nd coldest
- Rainfall
- 87 mm
- 9.3 wet days
- Daylight
- 11 h 06 min
- 7:47 AM – 6:51 PM
- Cloud cover
- 61%
- 2nd clearest
- Wind
- 6 km/h
- 6th windiest
- Solar energy
- 3.28 kWh/m²
- Travel score
- 6.7
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 22°C through the month.
A typical August day in São Francisco do Sul reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 13 |
| 2 | 22 | 13 |
| 3 | 22 | 13 |
| 4 | 22 | 14 |
| 5 | 22 | 14 |
| 6 | 22 | 14 |
| 7 | 22 | 14 |
| 8 | 22 | 14 |
| 9 | 22 | 14 |
| 10 | 22 | 14 |
| 11 | 22 | 14 |
| 12 | 22 | 14 |
| 13 | 22 | 14 |
| 14 | 22 | 14 |
| 15 | 22 | 14 |
| 16 | 22 | 14 |
| 17 | 22 | 14 |
| 18 | 22 | 14 |
| 19 | 22 | 14 |
| 20 | 22 | 14 |
| 21 | 22 | 14 |
| 22 | 23 | 14 |
| 23 | 23 | 15 |
| 24 | 23 | 15 |
| 25 | 23 | 15 |
| 26 | 23 | 15 |
| 27 | 23 | 15 |
| 28 | 23 | 15 |
| 29 | 23 | 15 |
| 30 | 23 | 15 |
| 31 | 23 | 15 |
How August really feels in São Francisco do Sul
Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
São Francisco do Sul weather by month
How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 22° | 279 | 24.4 | 13.5 | 3.6 |
| Feb | 29° / 22° | 255 | 21.6 | 12.9 | 3.6 |
| Mar | 28° / 21° | 202 | 22.4 | 12.2 | 4.3 |
| Apr | 26° / 19° | 116 | 14.1 | 11.4 | 5.8 |
| May | 24° / 16° | 107 | 12.2 | 10.7 | 6.5 |
| Jun | 22° / 14° | 104 | 10 | 10.4 | 6.6 |
| Jul | 21° / 13° | 89 | 9.9 | 10.5 | 6.5 |
| Aug | 22° / 14° | 87 | 9.3 | 11.1 | 6.7 |
| Sep | 23° / 16° | 145 | 14.6 | 11.8 | 5.8 |
| Oct | 24° / 18° | 149 | 17.3 | 12.6 | 5.4 |
| Nov | 26° / 19° | 161 | 17.7 | 13.3 | 5.1 |
| Dec | 28° / 21° | 193 | 20.7 | 13.6 | 4.3 |
Cloud cover in August
The sky is clear or mostly clear about 30% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 56%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 42 | 42 | 41 | 40 | 41 | 41 | 41 | 42 | 42 | 42 | 44 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 44 | 44 | 44 | 42 |
| Cloudier (%) | 54 | 54 | 55 | 55 | 55 | 55 | 56 | 58 | 58 | 59 | 60 | 59 | 59 | 59 | 58 | 58 | 58 | 56 | 56 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 56 | 56 | 56 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 46 | 54 |
| 2 | 46 | 54 |
| 3 | 45 | 55 |
| 4 | 45 | 55 |
| 5 | 45 | 55 |
| 6 | 45 | 55 |
| 7 | 44 | 56 |
| 8 | 42 | 58 |
| 9 | 42 | 58 |
| 10 | 41 | 59 |
| 11 | 40 | 60 |
| 12 | 41 | 59 |
| 13 | 41 | 59 |
| 14 | 41 | 59 |
| 15 | 42 | 58 |
| 16 | 42 | 58 |
| 17 | 42 | 58 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 44 | 56 |
| 21 | 45 | 55 |
| 22 | 45 | 55 |
| 23 | 46 | 54 |
| 24 | 46 | 54 |
| 25 | 46 | 54 |
| 26 | 46 | 54 |
| 27 | 46 | 54 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 42 | 58 |
Chance of precipitation in August
São Francisco do Sul gets around 87 mm of rain over 9.3 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 31% and peaks near 37% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 34 | 35 | 36 | 37 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 29 |
| 3 | 29 |
| 4 | 29 |
| 5 | 29 |
| 6 | 28 |
| 7 | 28 |
| 8 | 28 |
| 9 | 29 |
| 10 | 29 |
| 11 | 29 |
| 12 | 29 |
| 13 | 29 |
| 14 | 30 |
| 15 | 30 |
| 16 | 30 |
| 17 | 30 |
| 18 | 30 |
| 19 | 30 |
| 20 | 30 |
| 21 | 30 |
| 22 | 31 |
| 23 | 31 |
| 24 | 32 |
| 25 | 32 |
| 26 | 33 |
| 27 | 33 |
| 28 | 34 |
| 29 | 35 |
| 30 | 36 |
| 31 | 37 |
Humidity in August
Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 |
| Comfortable (%) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Humid (%) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 33 | 33 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 43 | 43 | 43 | 42 |
| Muggy (%) | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 32 | 31 | 33 | 3 |
| 2 | 32 | 31 | 33 | 3 |
| 3 | 32 | 31 | 33 | 4 |
| 4 | 32 | 31 | 33 | 4 |
| 5 | 32 | 31 | 33 | 4 |
| 6 | 32 | 31 | 33 | 4 |
| 7 | 32 | 31 | 33 | 5 |
| 8 | 31 | 31 | 32 | 5 |
| 9 | 31 | 31 | 33 | 5 |
| 10 | 30 | 31 | 33 | 6 |
| 11 | 30 | 31 | 33 | 6 |
| 12 | 29 | 31 | 34 | 6 |
| 13 | 29 | 31 | 34 | 6 |
| 14 | 28 | 31 | 35 | 6 |
| 15 | 28 | 31 | 36 | 6 |
| 16 | 27 | 30 | 37 | 6 |
| 17 | 26 | 30 | 38 | 6 |
| 18 | 26 | 29 | 39 | 6 |
| 19 | 25 | 29 | 40 | 6 |
| 20 | 25 | 28 | 41 | 6 |
| 21 | 24 | 28 | 42 | 6 |
| 22 | 24 | 28 | 42 | 7 |
| 23 | 23 | 27 | 43 | 7 |
| 24 | 23 | 27 | 43 | 7 |
| 25 | 23 | 26 | 44 | 7 |
| 26 | 22 | 26 | 44 | 8 |
| 27 | 22 | 26 | 44 | 8 |
| 28 | 22 | 26 | 43 | 8 |
| 29 | 22 | 26 | 43 | 9 |
| 30 | 22 | 26 | 43 | 9 |
| 31 | 21 | 26 | 42 | 10 |
Wind in August
Winds average 6 km/h in August.
Across August, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in August
Daylight runs from about 10 h 48 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 36 minutes over August. Sunrise moves from 7:58 AM to 7:32 AM, and sunset from 6:43 PM to 6:58 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 7:58 | 7:57 | 7:57 | 7:56 | 7:55 | 7:55 | 7:54 | 7:53 | 7:52 | 7:52 | 7:51 | 7:50 | 7:49 | 7:48 | 7:47 | 7:47 | 7:46 | 7:45 | 7:44 | 7:43 | 7:42 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:36 | 7:35 | 7:34 | 7:33 | 7:32 |
| Sunset (PM) | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:57 | 6:57 | 6:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.8 | 7:58 | 6:43 |
| 2 | 10.8 | 7:57 | 6:44 |
| 3 | 10.8 | 7:57 | 6:44 |
| 4 | 10.8 | 7:56 | 6:45 |
| 5 | 10.8 | 7:55 | 6:45 |
| 6 | 10.9 | 7:55 | 6:46 |
| 7 | 10.9 | 7:54 | 6:46 |
| 8 | 10.9 | 7:53 | 6:47 |
| 9 | 10.9 | 7:52 | 6:47 |
| 10 | 10.9 | 7:52 | 6:48 |
| 11 | 11.0 | 7:51 | 6:48 |
| 12 | 11.0 | 7:50 | 6:49 |
| 13 | 11.0 | 7:49 | 6:49 |
| 14 | 11.0 | 7:48 | 6:50 |
| 15 | 11.0 | 7:47 | 6:50 |
| 16 | 11.1 | 7:47 | 6:51 |
| 17 | 11.1 | 7:46 | 6:51 |
| 18 | 11.1 | 7:45 | 6:52 |
| 19 | 11.1 | 7:44 | 6:52 |
| 20 | 11.2 | 7:43 | 6:53 |
| 21 | 11.2 | 7:42 | 6:53 |
| 22 | 11.2 | 7:41 | 6:54 |
| 23 | 11.2 | 7:40 | 6:54 |
| 24 | 11.3 | 7:39 | 6:54 |
| 25 | 11.3 | 7:38 | 6:55 |
| 26 | 11.3 | 7:37 | 6:55 |
| 27 | 11.3 | 7:36 | 6:56 |
| 28 | 11.4 | 7:35 | 6:56 |
| 29 | 11.4 | 7:34 | 6:57 |
| 30 | 11.4 | 7:33 | 6:57 |
| 31 | 11.4 | 7:32 | 6:58 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 3.28 kWh/m².
For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 5.23 kWh/m² in December across the year — August's 3.28 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.3 | 3.3 | 3.3 | 3.4 | 3.4 | 3.4 | 3.4 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.0 | Moderate |
| 2 | 3.0 | Moderate |
| 3 | 3.0 | Moderate |
| 4 | 3.0 | Moderate |
| 5 | 3.0 | Moderate |
| 6 | 3.0 | Moderate |
| 7 | 3.1 | Moderate |
| 8 | 3.1 | Moderate |
| 9 | 3.1 | Moderate |
| 10 | 3.1 | Moderate |
| 11 | 3.1 | Moderate |
| 12 | 3.1 | Moderate |
| 13 | 3.2 | Moderate |
| 14 | 3.2 | Moderate |
| 15 | 3.2 | Moderate |
| 16 | 3.2 | Moderate |
| 17 | 3.2 | Moderate |
| 18 | 3.3 | Moderate |
| 19 | 3.3 | Moderate |
| 20 | 3.3 | Moderate |
| 21 | 3.4 | Moderate |
| 22 | 3.4 | Moderate |
| 23 | 3.4 | Moderate |
| 24 | 3.4 | Moderate |
| 25 | 3.5 | Moderate |
| 26 | 3.5 | Moderate |
| 27 | 3.5 | Moderate |
| 28 | 3.5 | Moderate |
| 29 | 3.5 | Moderate |
| 30 | 3.5 | Moderate |
| 31 | 3.5 | Moderate |
Is August a good time to visit São Francisco do Sul?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit São Francisco do Sul for sightseeing.
What to pack for São Francisco do Sul in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, São Francisco do Sul sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes and rain gear. About 9 days see rain.
Sea temperature near São Francisco do Sul in August
The nearest coast averages about 18°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 15 km away) is warmest in February at about 27°C and coldest in August near 18°C.
It's comfortable for a long swim from Sep 26 to Jun 19 — about 8.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 26 | 25 | 22 | 20 | 19 | 18 | 20 | 21 | 23 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 26 | Warm |
| Apr | 25 | Warm |
| May | 22 | Refreshing |
| Jun | 20 | Refreshing |
| Jul | 19 | Cool |
| Aug | 18 | Cool |
| Sep | 20 | Cool |
| Oct | 21 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in São Francisco do Sul in August
Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in São Francisco do Sul peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 11 | 8 | 6 | 5 | 5 | 6 | 9 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | High |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 9 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in São Francisco do Sul in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in São Francisco do Sul is worst in August — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (February, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 9 | 9 | 10 | 12 | 14 | 15 | 15 | 14 | 12 | 9 | 9 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 10 | Good |
| May | 12 | Good |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 12 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is São Francisco do Sul?
São Francisco do Sul sits at 26.2°S, 48.6°W, 16 m above sea level, in Brazil. The nearest listed city is Itapoá, 14 km away.
Topography around São Francisco do Sul
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Francisco do Sul.
Within 3 km, the terrain around São Francisco do Sul has only modest variations in elevation — a maximum elevation change of 146 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 580 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,647 m.
The land around São Francisco do Sul is covered by water (53%) and trees (26%) within 3 km, trees (51%) and water (36%) within 16 km, and trees (55%) and water (33%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for São Francisco do Sul (-26.2433°, -48.6381°, elevation 16 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).