São João da Barra weather in May
In May, São João da Barra sees average daytime highs of 25°C and overnight lows near 22°C, with 51 mm of rain across 9.6 wet days and about 11 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 47% of the time in May, and the air most often feels muggy.
Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is São João da Barra's 4th-clearest and 11th-windiest month. For the whole year in context, see São João da Barra's year-round climate.
- Daytime high
- 25°
- 7th warmest
- Overnight low
- 22°
- 5th coldest
- Rainfall
- 51 mm
- 9.6 wet days
- Daylight
- 11 hours
- 7:11 AM – 6:10 PM
- Cloud cover
- 46%
- 4th clearest
- Wind
- 15 km/h
- 11th windiest
- Solar energy
- 3.93 kWh/m²
- Travel score
- 7.1
- out of 10
São João da Barra is settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 25°C through the month.
A typical May day in São João da Barra reaches about 25°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.
| 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) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 22 |
| 2 | 26 | 22 |
| 3 | 26 | 22 |
| 4 | 26 | 22 |
| 5 | 26 | 22 |
| 6 | 26 | 22 |
| 7 | 26 | 22 |
| 8 | 26 | 22 |
| 9 | 26 | 22 |
| 10 | 26 | 22 |
| 11 | 26 | 22 |
| 12 | 26 | 22 |
| 13 | 25 | 22 |
| 14 | 25 | 22 |
| 15 | 25 | 22 |
| 16 | 25 | 22 |
| 17 | 25 | 22 |
| 18 | 25 | 21 |
| 19 | 25 | 21 |
| 20 | 25 | 21 |
| 21 | 25 | 21 |
| 22 | 25 | 21 |
| 23 | 25 | 21 |
| 24 | 25 | 21 |
| 25 | 25 | 21 |
| 26 | 25 | 21 |
| 27 | 25 | 21 |
| 28 | 25 | 21 |
| 29 | 25 | 21 |
| 30 | 25 | 21 |
| 31 | 25 | 21 |
São João da Barra weather by month
How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 114 | 10.4 | 13.2 | 6.3 |
| Feb | 28° / 24° | 54 | 7.6 | 12.7 | 6.5 |
| Mar | 28° / 24° | 112 | 12.7 | 12.2 | 6.0 |
| Apr | 27° / 23° | 75 | 11.4 | 11.5 | 6.5 |
| May | 25° / 22° | 51 | 9.6 | 11 | 7.1 |
| Jun | 25° / 21° | 25 | 6.3 | 10.7 | 7.8 |
| Jul | 24° / 20° | 29 | 6.5 | 10.8 | 8.0 |
| Aug | 24° / 20° | 26 | 6 | 11.3 | 8.0 |
| Sep | 25° / 21° | 48 | 8.1 | 11.9 | 7.5 |
| Oct | 25° / 22° | 78 | 8.8 | 12.5 | 7.0 |
| Nov | 26° / 23° | 139 | 13.8 | 13 | 5.9 |
| Dec | 27° / 24° | 151 | 14.3 | 13.3 | 5.8 |
Cloud cover in May
The sky is clear or mostly clear about 47% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 32%.
| 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 (%) | 75 | 75 | 75 | 74 | 73 | 73 | 72 | 71 | 70 | 68 | 67 | 66 | 64 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 70 | 72 | 72 | 72 |
| Cloudier (%) | 25 | 25 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 32 | 33 | 34 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 30 | 28 | 28 | 28 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 75 | 25 |
| 2 | 75 | 25 |
| 3 | 75 | 25 |
| 4 | 74 | 26 |
| 5 | 73 | 27 |
| 6 | 73 | 27 |
| 7 | 72 | 28 |
| 8 | 71 | 29 |
| 9 | 70 | 30 |
| 10 | 68 | 32 |
| 11 | 67 | 33 |
| 12 | 66 | 34 |
| 13 | 64 | 36 |
| 14 | 63 | 37 |
| 15 | 63 | 37 |
| 16 | 63 | 37 |
| 17 | 63 | 37 |
| 18 | 63 | 37 |
| 19 | 63 | 37 |
| 20 | 63 | 37 |
| 21 | 64 | 36 |
| 22 | 65 | 35 |
| 23 | 66 | 34 |
| 24 | 67 | 33 |
| 25 | 68 | 32 |
| 26 | 69 | 31 |
| 27 | 70 | 30 |
| 28 | 70 | 30 |
| 29 | 72 | 28 |
| 30 | 72 | 28 |
| 31 | 72 | 28 |
Chance of precipitation in May
São João da Barra gets around 51 mm of rain over 9.6 wet days in May. 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 35% on the wettest days.
| 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 (%) | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 31 | 31 | 32 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 34 | 34 | 34 | 33 | 32 | 31 | 30 | 29 | 28 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 31 |
| 3 | 31 |
| 4 | 30 |
| 5 | 30 |
| 6 | 29 |
| 7 | 29 |
| 8 | 29 |
| 9 | 29 |
| 10 | 29 |
| 11 | 29 |
| 12 | 30 |
| 13 | 31 |
| 14 | 31 |
| 15 | 32 |
| 16 | 33 |
| 17 | 33 |
| 18 | 34 |
| 19 | 34 |
| 20 | 34 |
| 21 | 35 |
| 22 | 35 |
| 23 | 34 |
| 24 | 34 |
| 25 | 34 |
| 26 | 33 |
| 27 | 32 |
| 28 | 31 |
| 29 | 30 |
| 30 | 29 |
| 31 | 28 |
Humidity in May
Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 70% 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 (%) | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 |
| Humid (%) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 |
| Muggy (%) | 38 | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 50 | 51 |
| Oppressive (%) | 43 | 41 | 39 | 37 | 35 | 34 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 23 | 22 | 21 | 20 | 19 | 19 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 14 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 2 | 17 | 38 | 43 |
| 2 | 2 | 18 | 39 | 41 |
| 3 | 3 | 19 | 40 | 39 |
| 4 | 3 | 20 | 40 | 37 |
| 5 | 3 | 21 | 41 | 35 |
| 6 | 3 | 22 | 41 | 34 |
| 7 | 3 | 23 | 42 | 32 |
| 8 | 4 | 23 | 42 | 31 |
| 9 | 4 | 24 | 42 | 30 |
| 10 | 4 | 25 | 42 | 29 |
| 11 | 4 | 25 | 42 | 28 |
| 12 | 4 | 26 | 43 | 27 |
| 13 | 4 | 26 | 43 | 26 |
| 14 | 5 | 27 | 43 | 25 |
| 15 | 5 | 27 | 44 | 24 |
| 16 | 5 | 27 | 44 | 23 |
| 17 | 5 | 27 | 45 | 23 |
| 18 | 5 | 27 | 45 | 22 |
| 19 | 5 | 27 | 46 | 21 |
| 20 | 5 | 27 | 47 | 20 |
| 21 | 6 | 28 | 47 | 19 |
| 22 | 6 | 28 | 48 | 19 |
| 23 | 6 | 28 | 48 | 18 |
| 24 | 6 | 28 | 49 | 17 |
| 25 | 7 | 28 | 49 | 16 |
| 26 | 7 | 28 | 49 | 16 |
| 27 | 8 | 27 | 49 | 15 |
| 28 | 8 | 27 | 49 | 15 |
| 29 | 9 | 27 | 49 | 15 |
| 30 | 9 | 27 | 50 | 15 |
| 31 | 9 | 26 | 51 | 14 |
Wind in May
Winds average 15 km/h in May.
Across May, daily wind ranges from about 15 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in May
Daylight runs from about 11 h 12 min at the start of May to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over May. Sunrise moves from 7:05 AM to 7:18 AM, and sunset from 6:18 PM to 6:05 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) | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 |
| Sunrise (AM) | 7:05 | 7:05 | 7:06 | 7:06 | 7:07 | 7:07 | 7:07 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:10 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 | 7:14 | 7:14 | 7:15 | 7:15 | 7:16 | 7:16 | 7:17 | 7:17 | 7:18 | 7:18 |
| Sunset (PM) | 6:18 | 6:17 | 6:17 | 6:16 | 6:15 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:05 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 7:05 | 6:18 |
| 2 | 11.2 | 7:05 | 6:17 |
| 3 | 11.2 | 7:06 | 6:17 |
| 4 | 11.2 | 7:06 | 6:16 |
| 5 | 11.1 | 7:07 | 6:15 |
| 6 | 11.1 | 7:07 | 6:15 |
| 7 | 11.1 | 7:07 | 6:14 |
| 8 | 11.1 | 7:08 | 6:13 |
| 9 | 11.1 | 7:08 | 6:13 |
| 10 | 11.1 | 7:09 | 6:12 |
| 11 | 11.0 | 7:09 | 6:12 |
| 12 | 11.0 | 7:10 | 6:11 |
| 13 | 11.0 | 7:10 | 6:11 |
| 14 | 11.0 | 7:10 | 6:10 |
| 15 | 11.0 | 7:11 | 6:10 |
| 16 | 11.0 | 7:11 | 6:10 |
| 17 | 11.0 | 7:12 | 6:09 |
| 18 | 10.9 | 7:12 | 6:09 |
| 19 | 10.9 | 7:13 | 6:08 |
| 20 | 10.9 | 7:13 | 6:08 |
| 21 | 10.9 | 7:14 | 6:08 |
| 22 | 10.9 | 7:14 | 6:07 |
| 23 | 10.9 | 7:14 | 6:07 |
| 24 | 10.9 | 7:15 | 6:07 |
| 25 | 10.9 | 7:15 | 6:06 |
| 26 | 10.8 | 7:16 | 6:06 |
| 27 | 10.8 | 7:16 | 6:06 |
| 28 | 10.8 | 7:17 | 6:06 |
| 29 | 10.8 | 7:17 | 6:06 |
| 30 | 10.8 | 7:18 | 6:05 |
| 31 | 10.8 | 7:18 | 6:05 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 3.93 kWh/m².
For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.72 kWh/m² in February across the year — May's 3.93 kWh/m² sits near the bottom.
| 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) | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | 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 | 4.4 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.1 | Bright |
| 10 | 4.1 | Bright |
| 11 | 4.0 | Bright |
| 12 | 4.0 | Bright |
| 13 | 4.0 | Moderate |
| 14 | 3.9 | Moderate |
| 15 | 3.9 | Moderate |
| 16 | 3.9 | Moderate |
| 17 | 3.8 | Moderate |
| 18 | 3.8 | Moderate |
| 19 | 3.8 | Moderate |
| 20 | 3.8 | Moderate |
| 21 | 3.7 | Moderate |
| 22 | 3.7 | Moderate |
| 23 | 3.7 | Moderate |
| 24 | 3.7 | Moderate |
| 25 | 3.7 | Moderate |
| 26 | 3.7 | Moderate |
| 27 | 3.7 | Moderate |
| 28 | 3.7 | Moderate |
| 29 | 3.7 | Moderate |
| 30 | 3.7 | Moderate |
| 31 | 3.7 | Moderate |
Hazard calendar for São João da Barra
None of São João da Barra's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
São João da Barra's rainy season runs October–January, when most of the year's rain falls.
Is May a good time to visit São João da Barra?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit São João da Barra for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São João da Barra in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, São João da Barra sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes and rain gear. About 10 days see rain.
Sea temperature near São João da Barra in May
The nearest coast averages about 24°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in March at about 25°C and coldest in August near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 24 | Warm |
| Jun | 23 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 24 | Warm |
UV index in São João da Barra in May
Clear-sky midday UV in May peaks around 7 — 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 João da Barra peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).
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 | 14 | 12 | 9 | 7 | 6 | 6 | 8 | 9 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is São João da Barra?
São João da Barra sits at 21.6°S, 41.1°W, 7 m above sea level, in Brazil. The nearest listed city is Campos dos Goytacazes, 31 km away.
Topography around São João da Barra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São João da Barra.
Within 3 km, the terrain around São João da Barra has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,525 m.
The land around São João da Barra is covered by grassland (59%) within 3 km, water (47%) and grassland (37%) within 16 km, and grassland (44%) and water (38%) 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 João da Barra (-21.6403°, -41.0511°, elevation 7 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).