São Francisco do Sul weather in January
In January, São Francisco do Sul sees average daytime highs of 29°C and overnight lows near 22°C, with 279 mm of rain across 24.4 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 13 h 36 min at the start of January to 13 h 12 min by month's end. Set against the rest of the year, January is São Francisco do Sul's 10th-clearest and 5th-windiest month. For the whole year in context, see São Francisco do Sul's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 22°
- 11th coldest
- Rainfall
- 279 mm
- 24.4 wet days
- Daylight
- 13 h 30 min
- 6:40 AM – 8:08 PM
- Cloud cover
- 77%
- 10th clearest
- Wind
- 7 km/h
- 5th windiest
- Solar energy
- 5.09 kWh/m²
- Travel score
- 3.6
- out of 10
Temperature in January
Day-to-day highs hold fairly steady near 29°C through the month.
A typical January day in São Francisco do Sul reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 22 |
| 2 | 29 | 22 |
| 3 | 29 | 22 |
| 4 | 29 | 22 |
| 5 | 29 | 22 |
| 6 | 29 | 22 |
| 7 | 29 | 22 |
| 8 | 29 | 22 |
| 9 | 29 | 22 |
| 10 | 29 | 22 |
| 11 | 29 | 22 |
| 12 | 29 | 22 |
| 13 | 29 | 22 |
| 14 | 29 | 22 |
| 15 | 29 | 22 |
| 16 | 29 | 22 |
| 17 | 29 | 22 |
| 18 | 29 | 22 |
| 19 | 29 | 22 |
| 20 | 29 | 22 |
| 21 | 29 | 22 |
| 22 | 29 | 22 |
| 23 | 29 | 22 |
| 24 | 29 | 22 |
| 25 | 29 | 22 |
| 26 | 29 | 22 |
| 27 | 29 | 22 |
| 28 | 29 | 22 |
| 29 | 29 | 22 |
| 30 | 29 | 22 |
| 31 | 29 | 22 |
How January really feels in São Francisco do Sul
Once humidity and wind are folded in, January averages 6 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
São Francisco do Sul weather by month
How January compares with the rest of the year at a glance. January is the 1st-warmest and 1st-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 January
The sky is clear or mostly clear about 7% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 78%.
| 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 (%) | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 22 | 23 | 24 | 24 | 24 |
| Cloudier (%) | 78 | 78 | 78 | 79 | 79 | 79 | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 79 | 79 | 78 | 78 | 78 | 78 | 77 | 78 | 77 | 76 | 76 | 76 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 22 | 78 |
| 2 | 22 | 78 |
| 3 | 22 | 78 |
| 4 | 21 | 79 |
| 5 | 21 | 79 |
| 6 | 21 | 79 |
| 7 | 22 | 78 |
| 8 | 22 | 78 |
| 9 | 23 | 77 |
| 10 | 23 | 77 |
| 11 | 23 | 77 |
| 12 | 23 | 77 |
| 13 | 23 | 77 |
| 14 | 23 | 77 |
| 15 | 23 | 77 |
| 16 | 22 | 78 |
| 17 | 22 | 78 |
| 18 | 22 | 78 |
| 19 | 22 | 78 |
| 20 | 21 | 79 |
| 21 | 21 | 79 |
| 22 | 22 | 78 |
| 23 | 22 | 78 |
| 24 | 22 | 78 |
| 25 | 22 | 78 |
| 26 | 23 | 77 |
| 27 | 22 | 78 |
| 28 | 23 | 77 |
| 29 | 24 | 76 |
| 30 | 24 | 76 |
| 31 | 24 | 76 |
Chance of precipitation in January
São Francisco do Sul gets around 279 mm of rain over 24.4 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 78% and peaks near 81% 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 (%) | 72 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | 78 | 79 | 79 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 79 | 79 | 78 |
| Rain chance (%) | |
|---|---|
| 1 | 72 |
| 2 | 72 |
| 3 | 73 |
| 4 | 73 |
| 5 | 74 |
| 6 | 74 |
| 7 | 75 |
| 8 | 75 |
| 9 | 76 |
| 10 | 76 |
| 11 | 77 |
| 12 | 77 |
| 13 | 78 |
| 14 | 78 |
| 15 | 79 |
| 16 | 79 |
| 17 | 80 |
| 18 | 80 |
| 19 | 81 |
| 20 | 81 |
| 21 | 81 |
| 22 | 81 |
| 23 | 81 |
| 24 | 81 |
| 25 | 81 |
| 26 | 80 |
| 27 | 80 |
| 28 | 80 |
| 29 | 79 |
| 30 | 79 |
| 31 | 78 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 93% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Muggy (%) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 |
| Oppressive (%) | 53 | 53 | 53 | 54 | 55 | 56 | 56 | 56 | 55 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 57 | 57 | 56 | 57 | 57 | 58 | 57 | 58 | 57 | 57 | 58 |
| Miserable (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 9 | 31 | 53 | 6 |
| 2 | 1 | 9 | 31 | 53 | 6 |
| 3 | 1 | 9 | 31 | 53 | 6 |
| 4 | 1 | 8 | 31 | 54 | 6 |
| 5 | 0 | 8 | 31 | 55 | 6 |
| 6 | 0 | 7 | 31 | 56 | 6 |
| 7 | 0 | 7 | 31 | 56 | 6 |
| 8 | 0 | 7 | 31 | 56 | 6 |
| 9 | 1 | 7 | 31 | 55 | 6 |
| 10 | 1 | 6 | 30 | 57 | 6 |
| 11 | 1 | 6 | 30 | 57 | 6 |
| 12 | 1 | 6 | 30 | 57 | 6 |
| 13 | 1 | 6 | 30 | 57 | 6 |
| 14 | 1 | 6 | 30 | 57 | 6 |
| 15 | 1 | 6 | 30 | 57 | 6 |
| 16 | 1 | 6 | 30 | 57 | 6 |
| 17 | 1 | 6 | 30 | 57 | 6 |
| 18 | 1 | 6 | 30 | 57 | 6 |
| 19 | 1 | 6 | 29 | 58 | 6 |
| 20 | 1 | 6 | 29 | 58 | 6 |
| 21 | 1 | 6 | 29 | 57 | 7 |
| 22 | 1 | 6 | 29 | 57 | 7 |
| 23 | 1 | 6 | 29 | 56 | 8 |
| 24 | 1 | 6 | 28 | 57 | 8 |
| 25 | 0 | 6 | 28 | 57 | 9 |
| 26 | 0 | 5 | 28 | 58 | 9 |
| 27 | 0 | 5 | 28 | 57 | 10 |
| 28 | 0 | 5 | 27 | 58 | 10 |
| 29 | 0 | 5 | 27 | 57 | 11 |
| 30 | 0 | 5 | 27 | 57 | 11 |
| 31 | 0 | 5 | 26 | 58 | 11 |
Wind in January
Winds average 7 km/h in January.
Across January, daily wind ranges from about 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in January
Daylight runs from about 13 h 36 min at the start of January to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over January. Sunrise moves from 6:29 AM to 6:51 AM, and sunset from 8:06 PM to 8:05 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) | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 |
| Sunrise (AM) | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:37 | 6:37 | 6:38 | 6:39 | 6:40 | 6:40 | 6:41 | 6:42 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:46 | 6:47 | 6:48 | 6:49 | 6:49 | 6:50 | 6:51 |
| Sunset (PM) | 8:06 | 8:07 | 8:07 | 8:07 | 8:07 | 8:07 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:08 | 8:07 | 8:07 | 8:07 | 8:07 | 8:06 | 8:06 | 8:06 | 8:05 | 8:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.6 | 6:29 | 8:06 |
| 2 | 13.6 | 6:30 | 8:07 |
| 3 | 13.6 | 6:30 | 8:07 |
| 4 | 13.6 | 6:31 | 8:07 |
| 5 | 13.6 | 6:32 | 8:07 |
| 6 | 13.6 | 6:32 | 8:07 |
| 7 | 13.6 | 6:33 | 8:08 |
| 8 | 13.6 | 6:34 | 8:08 |
| 9 | 13.6 | 6:34 | 8:08 |
| 10 | 13.5 | 6:35 | 8:08 |
| 11 | 13.5 | 6:36 | 8:08 |
| 12 | 13.5 | 6:37 | 8:08 |
| 13 | 13.5 | 6:37 | 8:08 |
| 14 | 13.5 | 6:38 | 8:08 |
| 15 | 13.5 | 6:39 | 8:08 |
| 16 | 13.5 | 6:40 | 8:08 |
| 17 | 13.5 | 6:40 | 8:08 |
| 18 | 13.5 | 6:41 | 8:08 |
| 19 | 13.4 | 6:42 | 8:08 |
| 20 | 13.4 | 6:42 | 8:08 |
| 21 | 13.4 | 6:43 | 8:08 |
| 22 | 13.4 | 6:44 | 8:08 |
| 23 | 13.4 | 6:45 | 8:07 |
| 24 | 13.4 | 6:46 | 8:07 |
| 25 | 13.3 | 6:46 | 8:07 |
| 26 | 13.3 | 6:47 | 8:07 |
| 27 | 13.3 | 6:48 | 8:06 |
| 28 | 13.3 | 6:49 | 8:06 |
| 29 | 13.3 | 6:49 | 8:06 |
| 30 | 13.3 | 6:50 | 8:05 |
| 31 | 13.2 | 6:51 | 8:05 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 5.09 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 — January's 5.09 kWh/m² sits near the top of that range.
| 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) | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.2 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.1 | Bright |
| 13 | 5.1 | Bright |
| 14 | 5.1 | Bright |
| 15 | 5.1 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
| 31 | 5.1 | Bright |
Is January a good time to visit São Francisco do Sul?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in São Francisco do Sul.
What to pack for São Francisco do Sul in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, São Francisco do Sul sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.
Sea temperature near São Francisco do Sul in January
The nearest coast averages about 27°C in January — 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 January
Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). 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 January
Average fine-particle pollution (PM2.5) through the year — so you can see where January 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).