Viana weather in February
In February, Viana sees average daytime highs of 30°C and overnight lows near 23°C, with 94 mm of rain across 10 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 37% of the time in February, and the air most often feels oppressive.
Daylight stretches from about 12 h 54 min at the start of February to 12 h 30 min by month's end. Set against the rest of the year, February is Viana's 7th-clearest and 6th-windiest month. For the whole year in context, see Viana's year-round climate.
- Daytime high
- 30°
- 1st warmest
- Overnight low
- 23°
- 12th coldest
- Rainfall
- 94 mm
- 10 wet days
- Daylight
- 12 h 42 min
- 6:36 AM – 7:17 PM
- Cloud cover
- 56%
- 7th clearest
- Wind
- 11 km/h
- 6th windiest
- Solar energy
- 6.48 kWh/m²
- Travel score
- 4.8
- out of 10
Temperature in February
Day-to-day highs hold fairly steady near 30°C through the month.
A typical February day in Viana reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, February runs on par with January and on par with March.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 23 |
| 2 | 30 | 23 |
| 3 | 30 | 23 |
| 4 | 30 | 23 |
| 5 | 30 | 23 |
| 6 | 30 | 23 |
| 7 | 30 | 23 |
| 8 | 30 | 23 |
| 9 | 30 | 23 |
| 10 | 30 | 23 |
| 11 | 30 | 23 |
| 12 | 30 | 23 |
| 13 | 30 | 23 |
| 14 | 30 | 23 |
| 15 | 30 | 23 |
| 16 | 30 | 23 |
| 17 | 30 | 23 |
| 18 | 30 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 23 |
| 24 | 30 | 23 |
| 25 | 30 | 23 |
| 26 | 30 | 23 |
| 27 | 30 | 23 |
| 28 | 30 | 23 |
How February really feels in Viana
Once humidity and wind are folded in, February averages 28 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 February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Viana weather by month
How February compares with the rest of the year at a glance. February is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 138 | 12.3 | 13.1 | 4.8 |
| Feb | 30° / 23° | 94 | 10 | 12.7 | 4.8 |
| Mar | 30° / 23° | 159 | 14.6 | 12.1 | 4.6 |
| Apr | 28° / 22° | 104 | 14.5 | 11.5 | 5.5 |
| May | 26° / 20° | 63 | 10.4 | 11 | 6.7 |
| Jun | 26° / 19° | 38 | 7.7 | 10.8 | 7.3 |
| Jul | 25° / 18° | 42 | 8.2 | 10.9 | 7.5 |
| Aug | 25° / 18° | 43 | 7.8 | 11.3 | 7.4 |
| Sep | 26° / 19° | 63 | 9.8 | 11.9 | 6.8 |
| Oct | 27° / 21° | 113 | 11.9 | 12.5 | 6.2 |
| Nov | 27° / 22° | 208 | 16.1 | 13 | 5.3 |
| Dec | 29° / 23° | 206 | 16.3 | 13.2 | 4.7 |
Cloud cover in February
The sky is clear or mostly clear about 37% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 14% of February, with mostly cloudy or overcast conditions the remaining 49%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 48 | 48 | 50 | 51 | 52 | 51 | 52 | 53 | 52 | 52 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 50 | 50 | 50 | 48 | 48 | 49 | 49 |
| Cloudier (%) | 52 | 52 | 50 | 49 | 48 | 49 | 48 | 47 | 48 | 48 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 52 | 52 | 51 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 48 | 52 |
| 3 | 50 | 50 |
| 4 | 51 | 49 |
| 5 | 52 | 48 |
| 6 | 51 | 49 |
| 7 | 52 | 48 |
| 8 | 53 | 47 |
| 9 | 52 | 48 |
| 10 | 52 | 48 |
| 11 | 53 | 47 |
| 12 | 52 | 48 |
| 13 | 52 | 48 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 52 | 48 |
| 17 | 52 | 48 |
| 18 | 52 | 48 |
| 19 | 52 | 48 |
| 20 | 51 | 49 |
| 21 | 51 | 49 |
| 22 | 50 | 50 |
| 23 | 50 | 50 |
| 24 | 50 | 50 |
| 25 | 48 | 52 |
| 26 | 48 | 52 |
| 27 | 49 | 51 |
| 28 | 49 | 51 |
Chance of precipitation in February
Viana gets around 94 mm of rain over 10 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 36% and peaks near 42% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 34 | 34 | 34 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 37 | 38 | 39 | 40 | 40 | 41 | 41 | 42 | 42 |
| Rain chance (%) | |
|---|---|
| 1 | 34 |
| 2 | 34 |
| 3 | 34 |
| 4 | 33 |
| 5 | 33 |
| 6 | 33 |
| 7 | 34 |
| 8 | 34 |
| 9 | 34 |
| 10 | 34 |
| 11 | 35 |
| 12 | 35 |
| 13 | 35 |
| 14 | 35 |
| 15 | 35 |
| 16 | 35 |
| 17 | 36 |
| 18 | 36 |
| 19 | 37 |
| 20 | 37 |
| 21 | 38 |
| 22 | 39 |
| 23 | 40 |
| 24 | 40 |
| 25 | 41 |
| 26 | 41 |
| 27 | 42 |
| 28 | 42 |
Humidity in February
Most of February feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
| Oppressive (%) | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 88 | 88 | 89 | 89 | 89 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 85 | 85 | 85 | 85 |
| Miserable (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 11 | 86 | 3 |
| 2 | 11 | 86 | 3 |
| 3 | 11 | 86 | 3 |
| 4 | 10 | 87 | 3 |
| 5 | 10 | 87 | 3 |
| 6 | 10 | 87 | 3 |
| 7 | 10 | 87 | 3 |
| 8 | 9 | 88 | 3 |
| 9 | 9 | 88 | 3 |
| 10 | 9 | 88 | 3 |
| 11 | 8 | 88 | 4 |
| 12 | 8 | 88 | 4 |
| 13 | 8 | 88 | 4 |
| 14 | 7 | 89 | 4 |
| 15 | 7 | 89 | 4 |
| 16 | 7 | 89 | 4 |
| 17 | 7 | 88 | 5 |
| 18 | 7 | 88 | 5 |
| 19 | 6 | 88 | 6 |
| 20 | 6 | 88 | 6 |
| 21 | 7 | 87 | 6 |
| 22 | 7 | 87 | 6 |
| 23 | 7 | 87 | 6 |
| 24 | 7 | 87 | 6 |
| 25 | 8 | 85 | 7 |
| 26 | 8 | 85 | 7 |
| 27 | 8 | 85 | 7 |
| 28 | 8 | 85 | 7 |
Wind in February
Winds average 11 km/h in February.
Across February, daily wind ranges from about 10 km/h on the calmest days to 12 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | calm |
| 2 | 12 | calm |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
Sunrise & sunset in February
Daylight runs from about 12 h 54 min at the start of February to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over February. Sunrise moves from 6:28 AM to 6:42 AM, and sunset from 7:23 PM to 7:09 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 |
| Sunrise (AM) | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 |
| Sunset (PM) | 7:23 | 7:23 | 7:22 | 7:22 | 7:22 | 7:21 | 7:21 | 7:21 | 7:20 | 7:20 | 7:19 | 7:19 | 7:18 | 7:18 | 7:17 | 7:17 | 7:16 | 7:16 | 7:15 | 7:14 | 7:14 | 7:13 | 7:13 | 7:12 | 7:11 | 7:11 | 7:10 | 7:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 6:28 | 7:23 |
| 2 | 12.9 | 6:29 | 7:23 |
| 3 | 12.9 | 6:29 | 7:22 |
| 4 | 12.9 | 6:30 | 7:22 |
| 5 | 12.9 | 6:30 | 7:22 |
| 6 | 12.8 | 6:31 | 7:21 |
| 7 | 12.8 | 6:32 | 7:21 |
| 8 | 12.8 | 6:32 | 7:21 |
| 9 | 12.8 | 6:33 | 7:20 |
| 10 | 12.8 | 6:33 | 7:20 |
| 11 | 12.8 | 6:34 | 7:19 |
| 12 | 12.7 | 6:34 | 7:19 |
| 13 | 12.7 | 6:35 | 7:18 |
| 14 | 12.7 | 6:35 | 7:18 |
| 15 | 12.7 | 6:36 | 7:17 |
| 16 | 12.7 | 6:36 | 7:17 |
| 17 | 12.7 | 6:37 | 7:16 |
| 18 | 12.6 | 6:37 | 7:16 |
| 19 | 12.6 | 6:38 | 7:15 |
| 20 | 12.6 | 6:38 | 7:14 |
| 21 | 12.6 | 6:39 | 7:14 |
| 22 | 12.6 | 6:39 | 7:13 |
| 23 | 12.6 | 6:40 | 7:13 |
| 24 | 12.5 | 6:40 | 7:12 |
| 25 | 12.5 | 6:40 | 7:11 |
| 26 | 12.5 | 6:41 | 7:11 |
| 27 | 12.5 | 6:41 | 7:10 |
| 28 | 12.5 | 6:42 | 7:09 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 6.48 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 6.48 kWh/m² in February across the year — February's 6.48 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.3 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.1 | Intense |
Hazard calendar for Viana
None of Viana's seasonal hazards are active in February. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Viana's rainy season runs October–January, when most of the year's rain falls.
Is February a good time to visit Viana?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a reasonable time to visit Viana for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Viana in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Viana sees daytime highs around 30°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.
Sea temperature near Viana in February
The nearest coast averages about 26°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 29 km away) is warmest in March at about 26°C and coldest in August near 23°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) | 25 | 26 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 26 | Warm |
| May | 25 | Warm |
| Jun | 24 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Warm |
| Dec | 25 | Warm |
UV index in Viana in February
Clear-sky midday UV in February 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 Viana peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 | 10 | 7 | 6 | 6 | 8 | 10 | 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 | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 10 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is Viana?
Viana sits at 20.4°S, 40.5°W, 35 m above sea level, in Brazil. The nearest listed city is Cariacica, 16 km away.
Topography around Viana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viana.
Within 3 km, the terrain around Viana has significant variations in elevation — a maximum elevation change of 380 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 885 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,980 m.
The land around Viana is covered by trees (48%) and grassland (48%) within 3 km, trees (61%) and grassland (31%) within 16 km, and trees (44%), water (30%) and grassland (23%) 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 Viana (-20.3903°, -40.4961°, elevation 35 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).