São João da Barra weather in April
In April, São João da Barra sees average daytime highs of 27°C and overnight lows near 23°C, with 75 mm of rain across 11.4 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 48% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of April to 11 h 12 min by month's end. Set against the rest of the year, April is São João da Barra's 5th-clearest and 12th-windiest month. For the whole year in context, see São João da Barra's year-round climate.
- Daytime high
- 27°
- 4th warmest
- Overnight low
- 23°
- 8th coldest
- Rainfall
- 75 mm
- 11.4 wet days
- Daylight
- 11 h 30 min
- 6:59 AM – 6:29 PM
- Cloud cover
- 47%
- 5th clearest
- Wind
- 15 km/h
- 12th windiest
- Solar energy
- 4.81 kWh/m²
- Travel score
- 6.5
- 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 April
Day-to-day highs hold fairly steady near 27°C through the month.
A typical April day in São João da Barra reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 24 |
| 2 | 27 | 24 |
| 3 | 27 | 24 |
| 4 | 27 | 24 |
| 5 | 27 | 24 |
| 6 | 27 | 24 |
| 7 | 27 | 24 |
| 8 | 27 | 24 |
| 9 | 27 | 24 |
| 10 | 27 | 24 |
| 11 | 27 | 24 |
| 12 | 27 | 24 |
| 13 | 27 | 23 |
| 14 | 27 | 23 |
| 15 | 27 | 23 |
| 16 | 27 | 23 |
| 17 | 27 | 23 |
| 18 | 27 | 23 |
| 19 | 27 | 23 |
| 20 | 27 | 23 |
| 21 | 27 | 23 |
| 22 | 27 | 23 |
| 23 | 27 | 23 |
| 24 | 27 | 23 |
| 25 | 27 | 23 |
| 26 | 26 | 23 |
| 27 | 26 | 23 |
| 28 | 26 | 23 |
| 29 | 26 | 23 |
| 30 | 26 | 22 |
São João da Barra weather by month
How April compares with the rest of the year at a glance. April is the 4th-warmest and 6th-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 April
The sky is clear or mostly clear about 48% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 60 | 61 | 61 | 61 | 62 | 61 | 62 | 62 | 62 | 63 | 63 | 64 | 64 | 65 | 66 | 66 | 67 | 68 | 68 | 69 | 70 | 70 | 71 | 72 | 72 | 73 | 73 | 74 | 74 | 74 |
| Cloudier (%) | 40 | 39 | 39 | 39 | 38 | 39 | 38 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 34 | 34 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 60 | 40 |
| 2 | 61 | 39 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 62 | 38 |
| 6 | 61 | 39 |
| 7 | 62 | 38 |
| 8 | 62 | 38 |
| 9 | 62 | 38 |
| 10 | 63 | 37 |
| 11 | 63 | 37 |
| 12 | 64 | 36 |
| 13 | 64 | 36 |
| 14 | 65 | 35 |
| 15 | 66 | 34 |
| 16 | 66 | 34 |
| 17 | 67 | 33 |
| 18 | 68 | 32 |
| 19 | 68 | 32 |
| 20 | 69 | 31 |
| 21 | 70 | 30 |
| 22 | 70 | 30 |
| 23 | 71 | 29 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 73 | 27 |
| 27 | 73 | 27 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
Chance of precipitation in April
São João da Barra gets around 75 mm of rain over 11.4 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 37% and peaks near 42% on the wettest days. The odds ease 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 32 |
| Rain chance (%) | |
|---|---|
| 1 | 42 |
| 2 | 42 |
| 3 | 42 |
| 4 | 42 |
| 5 | 42 |
| 6 | 42 |
| 7 | 41 |
| 8 | 41 |
| 9 | 41 |
| 10 | 40 |
| 11 | 39 |
| 12 | 39 |
| 13 | 38 |
| 14 | 37 |
| 15 | 37 |
| 16 | 36 |
| 17 | 36 |
| 18 | 35 |
| 19 | 35 |
| 20 | 34 |
| 21 | 34 |
| 22 | 34 |
| 23 | 34 |
| 24 | 34 |
| 25 | 34 |
| 26 | 34 |
| 27 | 33 |
| 28 | 33 |
| 29 | 33 |
| 30 | 32 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 90% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Humid (%) | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 17 |
| Muggy (%) | 18 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 37 |
| Oppressive (%) | 71 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 65 | 66 | 65 | 65 | 65 | 65 | 65 | 64 | 63 | 64 | 64 | 62 | 60 | 58 | 58 | 56 | 55 | 53 | 52 | 49 | 47 | 45 |
| Miserable (%) | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 4 | 18 | 71 | 7 |
| 2 | 0 | 4 | 18 | 71 | 7 |
| 3 | 0 | 4 | 19 | 70 | 7 |
| 4 | 0 | 5 | 19 | 70 | 6 |
| 5 | 0 | 5 | 20 | 69 | 6 |
| 6 | 0 | 5 | 21 | 68 | 6 |
| 7 | 0 | 6 | 21 | 68 | 5 |
| 8 | 0 | 6 | 22 | 67 | 5 |
| 9 | 0 | 7 | 23 | 65 | 5 |
| 10 | 0 | 7 | 23 | 66 | 4 |
| 11 | 0 | 7 | 24 | 65 | 4 |
| 12 | 0 | 8 | 24 | 65 | 3 |
| 13 | 0 | 8 | 24 | 65 | 3 |
| 14 | 0 | 8 | 24 | 65 | 3 |
| 15 | 0 | 9 | 24 | 65 | 2 |
| 16 | 0 | 9 | 25 | 64 | 2 |
| 17 | 0 | 10 | 25 | 63 | 2 |
| 18 | 0 | 10 | 25 | 64 | 1 |
| 19 | 0 | 10 | 25 | 64 | 1 |
| 20 | 0 | 11 | 26 | 62 | 1 |
| 21 | 1 | 11 | 27 | 60 | 1 |
| 22 | 1 | 12 | 28 | 58 | 1 |
| 23 | 1 | 12 | 29 | 58 | 0 |
| 24 | 1 | 13 | 30 | 56 | 0 |
| 25 | 1 | 13 | 31 | 55 | 0 |
| 26 | 1 | 14 | 32 | 53 | 0 |
| 27 | 1 | 14 | 33 | 52 | 0 |
| 28 | 1 | 15 | 34 | 49 | 0 |
| 29 | 1 | 16 | 35 | 47 | 0 |
| 30 | 2 | 17 | 37 | 45 | 0 |
Wind in April
Winds average 15 km/h in April, the calmest month.
Across April, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Sunrise & sunset in April
Daylight runs from about 11 h 48 min at the start of April to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over April. Sunrise moves from 6:54 AM to 7:05 AM, and sunset from 6:43 PM to 6:19 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 |
| Sunrise (AM) | 6:54 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:58 | 6:58 | 6:58 | 6:59 | 6:59 | 6:59 | 7:00 | 7:00 | 7:00 | 7:01 | 7:01 | 7:01 | 7:02 | 7:02 | 7:03 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 |
| Sunset (PM) | 6:43 | 6:42 | 6:41 | 6:40 | 6:39 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:29 | 6:28 | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:23 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:54 | 6:43 |
| 2 | 11.8 | 6:55 | 6:42 |
| 3 | 11.8 | 6:55 | 6:41 |
| 4 | 11.8 | 6:55 | 6:40 |
| 5 | 11.7 | 6:56 | 6:39 |
| 6 | 11.7 | 6:56 | 6:39 |
| 7 | 11.7 | 6:56 | 6:38 |
| 8 | 11.7 | 6:57 | 6:37 |
| 9 | 11.6 | 6:57 | 6:36 |
| 10 | 11.6 | 6:57 | 6:35 |
| 11 | 11.6 | 6:58 | 6:34 |
| 12 | 11.6 | 6:58 | 6:33 |
| 13 | 11.6 | 6:58 | 6:32 |
| 14 | 11.5 | 6:59 | 6:31 |
| 15 | 11.5 | 6:59 | 6:30 |
| 16 | 11.5 | 6:59 | 6:29 |
| 17 | 11.5 | 7:00 | 6:29 |
| 18 | 11.5 | 7:00 | 6:28 |
| 19 | 11.4 | 7:00 | 6:27 |
| 20 | 11.4 | 7:01 | 6:26 |
| 21 | 11.4 | 7:01 | 6:25 |
| 22 | 11.4 | 7:01 | 6:25 |
| 23 | 11.4 | 7:02 | 6:24 |
| 24 | 11.3 | 7:02 | 6:23 |
| 25 | 11.3 | 7:03 | 6:22 |
| 26 | 11.3 | 7:03 | 6:21 |
| 27 | 11.3 | 7:03 | 6:21 |
| 28 | 11.3 | 7:04 | 6:20 |
| 29 | 11.3 | 7:04 | 6:19 |
| 30 | 11.2 | 7:05 | 6:19 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.81 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 — April's 4.81 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.0 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.7 | Bright |
| 20 | 4.7 | Bright |
| 21 | 4.7 | Bright |
| 22 | 4.6 | Bright |
| 23 | 4.6 | Bright |
| 24 | 4.6 | Bright |
| 25 | 4.6 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
Hazard calendar for São João da Barra
In April, São João da Barra sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
São João da Barra's rainy season runs October–January, when most of the year's rain falls.
Is April a good time to visit São João da Barra?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit São João da Barra for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São João da Barra in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, São João da Barra sees daytime highs around 27°C and nights near 23°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.
Sea temperature near São João da Barra in April
The nearest coast averages about 25°C in April — 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 April
Clear-sky midday UV in April peaks around 9 (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 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).