Viamão weather in March
In March, Viamão sees average daytime highs of 28°C and overnight lows near 19°C, with 121 mm of rain across 12.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.
Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 34% of the time in March, and the air most often feels muggy.
Daylight stretches from about 12 h 42 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Viamão's 1st-clearest and 9th-windiest month. For the whole year in context, see Viamão's year-round climate.
- Daytime high
- 28°
- 4th warmest
- Overnight low
- 19°
- 10th coldest
- Rainfall
- 121 mm
- 12.6 wet days
- Daylight
- 12 h 12 min
- 7:27 AM – 7:41 PM
- Cloud cover
- 55%
- 1st clearest
- Wind
- 10 km/h
- 9th windiest
- Solar energy
- 4.99 kWh/m²
- Travel score
- 5.7
- out of 10
Viamão is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs ease over the month, from about 29°C in the first days to 27°C by the end.
A typical March day in Viamão reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, March runs about 1°C cooler than February and about 3°C warmer than April.
| 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 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 20 |
| 2 | 29 | 20 |
| 3 | 29 | 20 |
| 4 | 29 | 20 |
| 5 | 29 | 20 |
| 6 | 29 | 20 |
| 7 | 29 | 20 |
| 8 | 29 | 20 |
| 9 | 29 | 20 |
| 10 | 29 | 20 |
| 11 | 29 | 20 |
| 12 | 29 | 20 |
| 13 | 28 | 20 |
| 14 | 28 | 19 |
| 15 | 28 | 19 |
| 16 | 28 | 19 |
| 17 | 28 | 19 |
| 18 | 28 | 19 |
| 19 | 28 | 19 |
| 20 | 28 | 19 |
| 21 | 28 | 19 |
| 22 | 28 | 19 |
| 23 | 28 | 19 |
| 24 | 27 | 19 |
| 25 | 27 | 18 |
| 26 | 27 | 18 |
| 27 | 27 | 18 |
| 28 | 27 | 18 |
| 29 | 27 | 18 |
| 30 | 27 | 18 |
| 31 | 27 | 18 |
Viamão weather by month
How March compares with the rest of the year at a glance. March is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 21° | 140 | 14.2 | 13.7 | 4.7 |
| Feb | 29° / 20° | 127 | 13.9 | 13.1 | 4.7 |
| Mar | 28° / 19° | 121 | 12.6 | 12.2 | 5.7 |
| Apr | 25° / 16° | 102 | 9.7 | 11.3 | 6.8 |
| May | 22° / 13° | 106 | 9.2 | 10.5 | 6.7 |
| Jun | 20° / 11° | 112 | 9.4 | 10.1 | 6.2 |
| Jul | 19° / 10° | 136 | 10.3 | 10.3 | 6.1 |
| Aug | 21° / 11° | 122 | 10.4 | 10.9 | 6.5 |
| Sep | 22° / 13° | 147 | 11.2 | 11.8 | 6.3 |
| Oct | 24° / 15° | 169 | 12.7 | 12.7 | 6.4 |
| Nov | 27° / 17° | 122 | 10.9 | 13.5 | 6.4 |
| Dec | 29° / 19° | 129 | 12.4 | 13.9 | 5.4 |
Cloud cover in March
The sky is clear or mostly clear about 34% of the time in March, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 47%.
| 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 (%) | 50 | 49 | 50 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 56 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 52 |
| Cloudier (%) | 50 | 51 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 47 | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 48 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 50 | 50 |
| 2 | 49 | 51 |
| 3 | 50 | 50 |
| 4 | 51 | 49 |
| 5 | 51 | 49 |
| 6 | 51 | 49 |
| 7 | 52 | 48 |
| 8 | 52 | 48 |
| 9 | 53 | 47 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 54 | 46 |
| 13 | 54 | 46 |
| 14 | 55 | 45 |
| 15 | 55 | 45 |
| 16 | 55 | 45 |
| 17 | 55 | 45 |
| 18 | 56 | 44 |
| 19 | 55 | 45 |
| 20 | 55 | 45 |
| 21 | 55 | 45 |
| 22 | 55 | 45 |
| 23 | 54 | 46 |
| 24 | 54 | 46 |
| 25 | 54 | 46 |
| 26 | 53 | 47 |
| 27 | 53 | 47 |
| 28 | 53 | 47 |
| 29 | 53 | 47 |
| 30 | 53 | 47 |
| 31 | 52 | 48 |
Chance of precipitation in March
Viamão gets around 121 mm of rain over 12.6 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 41% and peaks near 48% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 48 | 48 | 47 | 46 | 46 | 45 | 44 | 43 | 43 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 34 |
| Rain chance (%) | |
|---|---|
| 1 | 48 |
| 2 | 48 |
| 3 | 47 |
| 4 | 46 |
| 5 | 46 |
| 6 | 45 |
| 7 | 44 |
| 8 | 43 |
| 9 | 43 |
| 10 | 42 |
| 11 | 42 |
| 12 | 41 |
| 13 | 41 |
| 14 | 41 |
| 15 | 40 |
| 16 | 40 |
| 17 | 40 |
| 18 | 40 |
| 19 | 40 |
| 20 | 40 |
| 21 | 39 |
| 22 | 39 |
| 23 | 39 |
| 24 | 38 |
| 25 | 38 |
| 26 | 37 |
| 27 | 37 |
| 28 | 36 |
| 29 | 36 |
| 30 | 35 |
| 31 | 34 |
Humidity in March
Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 64% 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 (%) | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 |
| Comfortable (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 |
| Humid (%) | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 30 |
| Muggy (%) | 34 | 34 | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 39 | 40 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 40 | 40 |
| Oppressive (%) | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 26 | 25 | 23 | 22 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 10 | 10 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 6 | 19 | 34 | 40 | 1 |
| 2 | 0 | 6 | 20 | 34 | 39 | 1 |
| 3 | 0 | 6 | 20 | 35 | 38 | 1 |
| 4 | 0 | 6 | 20 | 36 | 37 | 1 |
| 5 | 0 | 6 | 21 | 36 | 36 | 1 |
| 6 | 0 | 6 | 21 | 37 | 35 | 1 |
| 7 | 1 | 6 | 21 | 37 | 34 | 1 |
| 8 | 1 | 6 | 22 | 38 | 33 | 1 |
| 9 | 1 | 6 | 22 | 38 | 32 | 1 |
| 10 | 1 | 7 | 22 | 39 | 31 | 1 |
| 11 | 1 | 7 | 23 | 39 | 30 | 0 |
| 12 | 1 | 7 | 23 | 40 | 29 | 0 |
| 13 | 1 | 8 | 23 | 40 | 28 | 0 |
| 14 | 1 | 8 | 24 | 40 | 26 | 0 |
| 15 | 1 | 9 | 24 | 41 | 25 | 0 |
| 16 | 1 | 9 | 25 | 41 | 23 | 0 |
| 17 | 1 | 10 | 26 | 41 | 22 | 0 |
| 18 | 2 | 10 | 26 | 41 | 20 | 0 |
| 19 | 2 | 11 | 27 | 41 | 19 | 0 |
| 20 | 2 | 11 | 27 | 41 | 18 | 0 |
| 21 | 2 | 12 | 27 | 42 | 17 | 0 |
| 22 | 3 | 12 | 28 | 42 | 16 | 0 |
| 23 | 3 | 13 | 28 | 42 | 15 | 0 |
| 24 | 3 | 13 | 28 | 42 | 14 | 0 |
| 25 | 3 | 13 | 28 | 42 | 13 | 0 |
| 26 | 4 | 13 | 29 | 42 | 12 | 0 |
| 27 | 4 | 14 | 29 | 42 | 12 | 0 |
| 28 | 4 | 14 | 29 | 41 | 11 | 0 |
| 29 | 4 | 15 | 29 | 41 | 11 | 0 |
| 30 | 5 | 15 | 29 | 40 | 10 | 0 |
| 31 | 5 | 15 | 30 | 40 | 10 | 0 |
Wind in March
Winds average 10 km/h in March.
Across March, daily wind ranges from about 10 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 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 | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in March
Daylight runs from about 12 h 42 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 54 minutes over March. Sunrise moves from 7:17 AM to 7:36 AM, and sunset from 7:58 PM to 7:22 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) | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 7:17 | 7:18 | 7:18 | 7:19 | 7:20 | 7:20 | 7:21 | 7:22 | 7:22 | 7:23 | 7:24 | 7:24 | 7:25 | 7:26 | 7:26 | 7:27 | 7:28 | 7:28 | 7:29 | 7:30 | 7:30 | 7:31 | 7:31 | 7:32 | 7:33 | 7:33 | 7:34 | 7:34 | 7:35 | 7:36 | 7:36 |
| Sunset (PM) | 7:58 | 7:57 | 7:56 | 7:55 | 7:53 | 7:52 | 7:51 | 7:50 | 7:49 | 7:48 | 7:47 | 7:45 | 7:44 | 7:43 | 7:42 | 7:41 | 7:39 | 7:38 | 7:37 | 7:36 | 7:34 | 7:33 | 7:32 | 7:31 | 7:29 | 7:28 | 7:27 | 7:26 | 7:24 | 7:23 | 7:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 7:17 | 7:58 |
| 2 | 12.7 | 7:18 | 7:57 |
| 3 | 12.6 | 7:18 | 7:56 |
| 4 | 12.6 | 7:19 | 7:55 |
| 5 | 12.6 | 7:20 | 7:53 |
| 6 | 12.5 | 7:20 | 7:52 |
| 7 | 12.5 | 7:21 | 7:51 |
| 8 | 12.5 | 7:22 | 7:50 |
| 9 | 12.4 | 7:22 | 7:49 |
| 10 | 12.4 | 7:23 | 7:48 |
| 11 | 12.4 | 7:24 | 7:47 |
| 12 | 12.3 | 7:24 | 7:45 |
| 13 | 12.3 | 7:25 | 7:44 |
| 14 | 12.3 | 7:26 | 7:43 |
| 15 | 12.3 | 7:26 | 7:42 |
| 16 | 12.2 | 7:27 | 7:41 |
| 17 | 12.2 | 7:28 | 7:39 |
| 18 | 12.2 | 7:28 | 7:38 |
| 19 | 12.1 | 7:29 | 7:37 |
| 20 | 12.1 | 7:30 | 7:36 |
| 21 | 12.1 | 7:30 | 7:34 |
| 22 | 12.0 | 7:31 | 7:33 |
| 23 | 12.0 | 7:31 | 7:32 |
| 24 | 12.0 | 7:32 | 7:31 |
| 25 | 11.9 | 7:33 | 7:29 |
| 26 | 11.9 | 7:33 | 7:28 |
| 27 | 11.9 | 7:34 | 7:27 |
| 28 | 11.9 | 7:34 | 7:26 |
| 29 | 11.8 | 7:35 | 7:24 |
| 30 | 11.8 | 7:36 | 7:23 |
| 31 | 11.8 | 7:36 | 7:22 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 4.99 kWh/m².
For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 6.65 kWh/m² in December across the year — March's 4.99 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) | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 |
| 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 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.1 | Bright |
| 14 | 5.1 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.0 | Bright |
| 17 | 5.0 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.7 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.6 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
| 31 | 4.5 | Bright |
Is March a good time to visit Viamão?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Viamão for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Viamão in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Viamão sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.
Sea temperature near Viamão in March
The nearest coast averages about 25°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in February at about 26°C and coldest in July near 15°C.
It's comfortable for a long swim from Oct 23 to May 10 — about 6.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 25 | 23 | 19 | 17 | 15 | 16 | 17 | 20 | 22 | 24 |
| Comfort | Warm | Warm | Warm | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 23 | Refreshing |
| May | 19 | Cool |
| Jun | 17 | Cool |
| Jul | 15 | Cool |
| Aug | 16 | Cool |
| Sep | 17 | Cool |
| Oct | 20 | Cool |
| Nov | 22 | Refreshing |
| Dec | 24 | Warm |
UV index in Viamão in March
Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Viamão peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (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) | 13 | 12 | 10 | 7 | 4 | 3 | 4 | 5 | 8 | 8 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 7 | Very high |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Viamão in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Viamão is worst in August — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 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) | 13 | 13 | 15 | 18 | 21 | 23 | 25 | 27 | 23 | 16 | 15 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 18 | Moderate |
| May | 21 | Moderate |
| Jun | 23 | Moderate |
| Jul | 25 | Moderate |
| Aug | 27 | Moderate |
| Sep | 23 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 13 | Moderate |
Where is Viamão?
Viamão sits at 30.1°S, 51.0°W, 108 m above sea level, in Brazil. The nearest listed city is Alvorada, 10 km away.
Topography around Viamão
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viamão.
Within 3 km, the terrain around Viamão has only modest variations in elevation — a maximum elevation change of 101 m around an average of 70 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 310 m; within 80 km, large variations in elevation — a maximum elevation change of 941 m.
The land around Viamão is covered by trees (60%) and artificial surfaces (22%) within 3 km, trees (47%) and grassland (25%) within 16 km, and trees (38%), grassland (21%) and water (20%) 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 Viamão (-30.0811°, -51.0233°, elevation 108 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).