Rio Grande weather in May
In May, Rio Grande sees average daytime highs of 19°C and overnight lows near 16°C, with 104 mm of rain across 9.7 wet days and about 10.4 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.
Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels dry.
Daylight stretches from about 10 h 48 min at the start of May to 10 h 06 min by month's end. Set against the rest of the year, May is Rio Grande's 8th-clearest and 11th-windiest month. For the whole year in context, see Rio Grande's year-round climate.
- Daytime high
- 19°
- 7th warmest
- Overnight low
- 16°
- 5th coldest
- Rainfall
- 104 mm
- 9.7 wet days
- Daylight
- 10 h 24 min
- 8:14 AM – 6:36 PM
- Cloud cover
- 58%
- 8th clearest
- Wind
- 21 km/h
- 11th windiest
- Solar energy
- 2.82 kWh/m²
- Travel score
- 6.1
- out of 10
Rio Grande is municipality of Rio Grande do Sul state, Brazil.
- Density
- 67/km²
- people per km²
- Founded
- 1737
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs ease over the month, from about 20°C in the first days to 17°C by the end.
A typical May day in Rio Grande reaches about 19°C in the afternoon and slips back to 16°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than 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) | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 18 |
| 2 | 20 | 18 |
| 3 | 20 | 18 |
| 4 | 20 | 18 |
| 5 | 20 | 17 |
| 6 | 19 | 17 |
| 7 | 19 | 17 |
| 8 | 19 | 17 |
| 9 | 19 | 17 |
| 10 | 19 | 17 |
| 11 | 19 | 17 |
| 12 | 19 | 17 |
| 13 | 19 | 17 |
| 14 | 19 | 17 |
| 15 | 19 | 17 |
| 16 | 19 | 17 |
| 17 | 18 | 16 |
| 18 | 18 | 16 |
| 19 | 18 | 16 |
| 20 | 18 | 16 |
| 21 | 18 | 16 |
| 22 | 18 | 16 |
| 23 | 18 | 16 |
| 24 | 18 | 16 |
| 25 | 18 | 16 |
| 26 | 18 | 16 |
| 27 | 17 | 15 |
| 28 | 17 | 15 |
| 29 | 17 | 15 |
| 30 | 17 | 15 |
| 31 | 17 | 15 |
Rio Grande weather by month
How May compares with the rest of the year at a glance. May is the 7th-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 | 24° / 22° | 87 | 8.6 | 13.9 | 7.4 |
| Feb | 24° / 23° | 84 | 9.7 | 13.2 | 7.0 |
| Mar | 24° / 22° | 92 | 10 | 12.2 | 7.1 |
| Apr | 21° / 19° | 113 | 10.2 | 11.2 | 6.6 |
| May | 19° / 16° | 104 | 9.7 | 10.4 | 6.1 |
| Jun | 16° / 14° | 110 | 9.7 | 9.9 | 5.0 |
| Jul | 15° / 12° | 112 | 10.2 | 10.1 | 4.4 |
| Aug | 15° / 13° | 108 | 9.7 | 10.8 | 4.8 |
| Sep | 16° / 14° | 125 | 10.4 | 11.8 | 5.1 |
| Oct | 18° / 17° | 129 | 10.2 | 12.8 | 6.0 |
| Nov | 21° / 19° | 87 | 7.7 | 13.6 | 6.8 |
| Dec | 23° / 21° | 86 | 7.8 | 14.1 | 7.3 |
Cloud cover in May
The sky is clear or mostly clear about 35% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 51 | 50 | 50 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 45 | 45 | 44 |
| Cloudier (%) | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 49 | 50 | 50 | 52 | 52 | 52 | 53 | 53 | 54 | 55 | 55 | 55 | 55 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 52 | 48 |
| 2 | 52 | 48 |
| 3 | 52 | 48 |
| 4 | 52 | 48 |
| 5 | 52 | 48 |
| 6 | 52 | 48 |
| 7 | 52 | 48 |
| 8 | 52 | 48 |
| 9 | 52 | 48 |
| 10 | 52 | 48 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 53 | 47 |
| 14 | 53 | 47 |
| 15 | 52 | 48 |
| 16 | 52 | 48 |
| 17 | 52 | 48 |
| 18 | 51 | 49 |
| 19 | 50 | 50 |
| 20 | 50 | 50 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 47 | 53 |
| 25 | 47 | 53 |
| 26 | 46 | 54 |
| 27 | 45 | 55 |
| 28 | 45 | 55 |
| 29 | 45 | 55 |
| 30 | 45 | 55 |
| 31 | 44 | 56 |
Chance of precipitation in May
Rio Grande gets around 104 mm of rain over 9.7 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 30% and peaks near 33% 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 (%) | 33 | 33 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 33 |
| 2 | 33 |
| 3 | 32 |
| 4 | 32 |
| 5 | 31 |
| 6 | 31 |
| 7 | 31 |
| 8 | 30 |
| 9 | 30 |
| 10 | 30 |
| 11 | 29 |
| 12 | 29 |
| 13 | 29 |
| 14 | 29 |
| 15 | 29 |
| 16 | 29 |
| 17 | 29 |
| 18 | 30 |
| 19 | 30 |
| 20 | 30 |
| 21 | 30 |
| 22 | 30 |
| 23 | 31 |
| 24 | 31 |
| 25 | 31 |
| 26 | 31 |
| 27 | 31 |
| 28 | 31 |
| 29 | 31 |
| 30 | 31 |
| 31 | 31 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 9% 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 (%) | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 35 | 35 | 37 | 38 | 39 | 41 | 42 | 44 | 45 | 47 | 48 | 51 | 50 | 52 | 53 |
| Comfortable (%) | 23 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 |
| Humid (%) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 20 | 19 | 18 |
| Muggy (%) | 17 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 |
| Oppressive (%) | 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 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 30 | 23 | 28 | 17 | 1 |
| 2 | 30 | 24 | 28 | 16 | 1 |
| 3 | 31 | 25 | 28 | 15 | 1 |
| 4 | 31 | 26 | 28 | 15 | 1 |
| 5 | 31 | 26 | 28 | 14 | 1 |
| 6 | 31 | 27 | 28 | 13 | 0 |
| 7 | 31 | 28 | 28 | 13 | 0 |
| 8 | 31 | 28 | 28 | 12 | 0 |
| 9 | 32 | 29 | 28 | 11 | 0 |
| 10 | 32 | 29 | 29 | 10 | 0 |
| 11 | 32 | 29 | 29 | 10 | 0 |
| 12 | 32 | 29 | 29 | 9 | 0 |
| 13 | 33 | 29 | 29 | 9 | 0 |
| 14 | 33 | 29 | 29 | 9 | 0 |
| 15 | 33 | 29 | 29 | 9 | 0 |
| 16 | 34 | 29 | 29 | 8 | 0 |
| 17 | 35 | 29 | 28 | 8 | 0 |
| 18 | 35 | 29 | 28 | 7 | 0 |
| 19 | 37 | 29 | 28 | 7 | 0 |
| 20 | 38 | 29 | 27 | 7 | 0 |
| 21 | 39 | 28 | 26 | 6 | 0 |
| 22 | 41 | 28 | 26 | 6 | 0 |
| 23 | 42 | 27 | 25 | 5 | 0 |
| 24 | 44 | 27 | 24 | 5 | 0 |
| 25 | 45 | 27 | 23 | 5 | 0 |
| 26 | 47 | 26 | 22 | 4 | 0 |
| 27 | 48 | 26 | 21 | 4 | 0 |
| 28 | 51 | 26 | 20 | 3 | 0 |
| 29 | 50 | 27 | 20 | 3 | 0 |
| 30 | 52 | 27 | 19 | 2 | 0 |
| 31 | 53 | 27 | 18 | 2 | 0 |
Wind in May
Winds average 21 km/h in May.
Across May, daily wind ranges from about 21 km/h on the calmest days to 21 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) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 21 | breezy |
| 2 | 21 | breezy |
| 3 | 21 | breezy |
| 4 | 21 | breezy |
| 5 | 21 | breezy |
| 6 | 21 | breezy |
| 7 | 21 | breezy |
| 8 | 21 | breezy |
| 9 | 21 | breezy |
| 10 | 21 | breezy |
| 11 | 21 | breezy |
| 12 | 21 | breezy |
| 13 | 21 | breezy |
| 14 | 21 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 21 | breezy |
| 19 | 21 | breezy |
| 20 | 21 | breezy |
| 21 | 21 | breezy |
| 22 | 21 | breezy |
| 23 | 21 | breezy |
| 24 | 21 | breezy |
| 25 | 21 | breezy |
| 26 | 21 | breezy |
| 27 | 21 | breezy |
| 28 | 21 | breezy |
| 29 | 21 | breezy |
| 30 | 21 | breezy |
| 31 | 21 | breezy |
Sunrise & sunset in May
Daylight runs from about 10 h 48 min at the start of May to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over May. Sunrise moves from 8:03 AM to 8:23 AM, and sunset from 6:48 PM to 6:28 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) | 10.8 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.4 | 10.3 | 10.3 | 10.3 | 10.3 | 10.3 | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 |
| Sunrise (AM) | 8:03 | 8:04 | 8:04 | 8:05 | 8:06 | 8:06 | 8:07 | 8:08 | 8:09 | 8:09 | 8:10 | 8:11 | 8:11 | 8:12 | 8:13 | 8:14 | 8:14 | 8:15 | 8:16 | 8:16 | 8:17 | 8:18 | 8:18 | 8:19 | 8:20 | 8:20 | 8:21 | 8:22 | 8:22 | 8:23 | 8:23 |
| Sunset (PM) | 6:48 | 6:47 | 6:46 | 6:45 | 6:45 | 6:44 | 6:43 | 6:42 | 6:41 | 6:40 | 6:39 | 6:39 | 6:38 | 6:37 | 6:36 | 6:36 | 6:35 | 6:34 | 6:34 | 6:33 | 6:33 | 6:32 | 6:31 | 6:31 | 6:30 | 6:30 | 6:30 | 6:29 | 6:29 | 6:28 | 6:28 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.8 | 8:03 | 6:48 |
| 2 | 10.7 | 8:04 | 6:47 |
| 3 | 10.7 | 8:04 | 6:46 |
| 4 | 10.7 | 8:05 | 6:45 |
| 5 | 10.6 | 8:06 | 6:45 |
| 6 | 10.6 | 8:06 | 6:44 |
| 7 | 10.6 | 8:07 | 6:43 |
| 8 | 10.6 | 8:08 | 6:42 |
| 9 | 10.5 | 8:09 | 6:41 |
| 10 | 10.5 | 8:09 | 6:40 |
| 11 | 10.5 | 8:10 | 6:39 |
| 12 | 10.5 | 8:11 | 6:39 |
| 13 | 10.4 | 8:11 | 6:38 |
| 14 | 10.4 | 8:12 | 6:37 |
| 15 | 10.4 | 8:13 | 6:36 |
| 16 | 10.4 | 8:14 | 6:36 |
| 17 | 10.3 | 8:14 | 6:35 |
| 18 | 10.3 | 8:15 | 6:34 |
| 19 | 10.3 | 8:16 | 6:34 |
| 20 | 10.3 | 8:16 | 6:33 |
| 21 | 10.3 | 8:17 | 6:33 |
| 22 | 10.2 | 8:18 | 6:32 |
| 23 | 10.2 | 8:18 | 6:31 |
| 24 | 10.2 | 8:19 | 6:31 |
| 25 | 10.2 | 8:20 | 6:30 |
| 26 | 10.2 | 8:20 | 6:30 |
| 27 | 10.1 | 8:21 | 6:30 |
| 28 | 10.1 | 8:22 | 6:29 |
| 29 | 10.1 | 8:22 | 6:29 |
| 30 | 10.1 | 8:23 | 6:28 |
| 31 | 10.1 | 8:23 | 6:28 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 2.82 kWh/m².
For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 7.08 kWh/m² in December across the year — May's 2.82 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) | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 | 2.7 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.5 | 2.5 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | 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 | 3.2 | Moderate |
| 2 | 3.2 | Moderate |
| 3 | 3.2 | Moderate |
| 4 | 3.1 | Moderate |
| 5 | 3.1 | Moderate |
| 6 | 3.1 | Moderate |
| 7 | 3.1 | Moderate |
| 8 | 3.0 | Moderate |
| 9 | 3.0 | Moderate |
| 10 | 3.0 | Moderate |
| 11 | 3.0 | Moderate |
| 12 | 2.9 | Moderate |
| 13 | 2.9 | Moderate |
| 14 | 2.9 | Moderate |
| 15 | 2.9 | Moderate |
| 16 | 2.8 | Moderate |
| 17 | 2.8 | Moderate |
| 18 | 2.8 | Moderate |
| 19 | 2.8 | Moderate |
| 20 | 2.7 | Moderate |
| 21 | 2.7 | Moderate |
| 22 | 2.7 | Moderate |
| 23 | 2.7 | Moderate |
| 24 | 2.6 | Moderate |
| 25 | 2.6 | Moderate |
| 26 | 2.6 | Moderate |
| 27 | 2.6 | Moderate |
| 28 | 2.6 | Moderate |
| 29 | 2.6 | Moderate |
| 30 | 2.5 | Moderate |
| 31 | 2.5 | Moderate |
Is May a good time to visit Rio Grande?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Rio Grande for sightseeing.
What to pack for Rio Grande in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Rio Grande sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear and a windbreaker. About 10 days see rain.
Sea temperature near Rio Grande in May
The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 24°C and coldest in July near 14°C.
It's comfortable for a long swim from Nov 18 to May 4 — about 5.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 24 | 24 | 22 | 19 | 16 | 14 | 14 | 15 | 18 | 20 | 22 |
| Comfort | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool | Bracing | Bracing | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 24 | Warm |
| Mar | 24 | Refreshing |
| Apr | 22 | Refreshing |
| May | 19 | Cool |
| Jun | 16 | Cool |
| Jul | 14 | Bracing |
| Aug | 14 | Bracing |
| Sep | 15 | Cool |
| Oct | 18 | Cool |
| Nov | 20 | Cool |
| Dec | 22 | Refreshing |
UV index in Rio Grande in May
Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rio Grande peaks around January 16 at about 12 (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) | 12 | 12 | 9 | 7 | 4 | 3 | 3 | 5 | 7 | 7 | 11 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 5 | Moderate |
| Sep | 7 | High |
| Oct | 7 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Where is Rio Grande?
Rio Grande sits at 32.0°S, 52.1°W, 7 m above sea level, in Brazil. The nearest listed city is São José do Norte, 6.0 km away.
Topography around Rio Grande
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rio Grande.
Within 3 km, the terrain around Rio Grande has only modest variations in elevation — a maximum elevation change of 11 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, significant variations in elevation — a maximum elevation change of 357 m.
The land around Rio Grande is covered by water (61%) and artificial surfaces (29%) within 3 km, water (52%) and grassland (20%) within 16 km, and water (48%) 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 Rio Grande (-32.035°, -52.0986°, 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).