São Mateus weather in May
In May, São Mateus sees average daytime highs of 26°C and overnight lows near 22°C, with 70 mm of rain across 13.2 wet days and about 11.1 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 46% of the time in May, and the air most often feels muggy.
Daylight stretches from about 11 h 18 min at the start of May to 11 hours by month's end. Set against the rest of the year, May is São Mateus's 5th-clearest and 8th-windiest month. For the whole year in context, see São Mateus's year-round climate.
- Daytime high
- 26°
- 7th warmest
- Overnight low
- 22°
- 5th coldest
- Rainfall
- 70 mm
- 13.2 wet days
- Daylight
- 11 h 06 min
- 7:02 AM – 6:09 PM
- Cloud cover
- 48%
- 5th clearest
- Wind
- 15 km/h
- 8th windiest
- Solar energy
- 4.2 kWh/m²
- Travel score
- 6.4
- out of 10
São Mateus is human 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 26°C through the month.
A typical May day in São Mateus reaches about 26°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 24°C and 27°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°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) | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 23 |
| 2 | 27 | 23 |
| 3 | 27 | 23 |
| 4 | 26 | 23 |
| 5 | 26 | 23 |
| 6 | 26 | 23 |
| 7 | 26 | 23 |
| 8 | 26 | 23 |
| 9 | 26 | 23 |
| 10 | 26 | 23 |
| 11 | 26 | 23 |
| 12 | 26 | 23 |
| 13 | 26 | 23 |
| 14 | 26 | 22 |
| 15 | 26 | 22 |
| 16 | 26 | 22 |
| 17 | 26 | 22 |
| 18 | 26 | 22 |
| 19 | 26 | 22 |
| 20 | 26 | 22 |
| 21 | 26 | 22 |
| 22 | 26 | 22 |
| 23 | 26 | 22 |
| 24 | 26 | 22 |
| 25 | 26 | 22 |
| 26 | 26 | 22 |
| 27 | 26 | 22 |
| 28 | 26 | 22 |
| 29 | 26 | 22 |
| 30 | 25 | 22 |
| 31 | 25 | 22 |
São Mateus 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 | 28° / 24° | 106 | 13.4 | 13 | 5.9 |
| Feb | 28° / 24° | 76 | 13.9 | 12.6 | 5.4 |
| Mar | 28° / 24° | 136 | 18.2 | 12.1 | 5.2 |
| Apr | 27° / 24° | 108 | 16.9 | 11.6 | 5.6 |
| May | 26° / 22° | 70 | 13.2 | 11.1 | 6.4 |
| Jun | 25° / 21° | 52 | 11.8 | 10.9 | 6.8 |
| Jul | 24° / 21° | 57 | 13.2 | 11 | 6.8 |
| Aug | 24° / 21° | 48 | 11.2 | 11.4 | 7.1 |
| Sep | 25° / 22° | 54 | 10.8 | 11.9 | 6.9 |
| Oct | 26° / 23° | 96 | 13.4 | 12.4 | 6.2 |
| Nov | 26° / 23° | 183 | 17.6 | 12.9 | 5.3 |
| Dec | 27° / 24° | 147 | 15.5 | 13.1 | 5.5 |
Cloud cover in May
The sky is clear or mostly clear about 46% 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 33%.
| 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 (%) | 71 | 71 | 71 | 70 | 70 | 69 | 68 | 67 | 67 | 66 | 65 | 64 | 63 | 63 | 64 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 65 | 66 | 67 | 69 | 69 | 70 | 71 | 72 |
| Cloudier (%) | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 37 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 35 | 34 | 33 | 31 | 31 | 30 | 29 | 28 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 71 | 29 |
| 2 | 71 | 29 |
| 3 | 71 | 29 |
| 4 | 70 | 30 |
| 5 | 70 | 30 |
| 6 | 69 | 31 |
| 7 | 68 | 32 |
| 8 | 67 | 33 |
| 9 | 67 | 33 |
| 10 | 66 | 34 |
| 11 | 65 | 35 |
| 12 | 64 | 36 |
| 13 | 63 | 37 |
| 14 | 63 | 37 |
| 15 | 64 | 36 |
| 16 | 63 | 37 |
| 17 | 63 | 37 |
| 18 | 63 | 37 |
| 19 | 63 | 37 |
| 20 | 63 | 37 |
| 21 | 63 | 37 |
| 22 | 64 | 36 |
| 23 | 64 | 36 |
| 24 | 65 | 35 |
| 25 | 66 | 34 |
| 26 | 67 | 33 |
| 27 | 69 | 31 |
| 28 | 69 | 31 |
| 29 | 70 | 30 |
| 30 | 71 | 29 |
| 31 | 72 | 28 |
Chance of precipitation in May
São Mateus gets around 70 mm of rain over 13.2 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 43% and peaks near 51% 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 (%) | 51 | 50 | 49 | 47 | 46 | 45 | 44 | 44 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 40 | 39 | 39 | 38 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 51 |
| 2 | 50 |
| 3 | 49 |
| 4 | 47 |
| 5 | 46 |
| 6 | 45 |
| 7 | 44 |
| 8 | 44 |
| 9 | 43 |
| 10 | 43 |
| 11 | 42 |
| 12 | 42 |
| 13 | 42 |
| 14 | 42 |
| 15 | 42 |
| 16 | 42 |
| 17 | 42 |
| 18 | 42 |
| 19 | 42 |
| 20 | 42 |
| 21 | 42 |
| 22 | 42 |
| 23 | 42 |
| 24 | 42 |
| 25 | 41 |
| 26 | 41 |
| 27 | 40 |
| 28 | 39 |
| 29 | 39 |
| 30 | 38 |
| 31 | 38 |
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 46% of days. Sticky, muggy-or-worse air turns up on roughly 87% 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Humid (%) | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 |
| Muggy (%) | 38 | 39 | 41 | 42 | 43 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 51 |
| Oppressive (%) | 55 | 53 | 51 | 49 | 48 | 46 | 45 | 44 | 44 | 43 | 43 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 |
| Miserable (%) | 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 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 5 | 38 | 55 | 1 |
| 2 | 1 | 6 | 39 | 53 | 1 |
| 3 | 1 | 6 | 41 | 51 | 1 |
| 4 | 1 | 7 | 42 | 49 | 1 |
| 5 | 1 | 8 | 43 | 48 | 0 |
| 6 | 1 | 8 | 44 | 46 | 0 |
| 7 | 1 | 9 | 45 | 45 | 0 |
| 8 | 1 | 9 | 45 | 44 | 0 |
| 9 | 1 | 10 | 45 | 44 | 0 |
| 10 | 1 | 10 | 46 | 43 | 0 |
| 11 | 1 | 11 | 46 | 43 | 0 |
| 12 | 1 | 11 | 46 | 42 | 0 |
| 13 | 1 | 12 | 46 | 41 | 0 |
| 14 | 1 | 12 | 46 | 41 | 0 |
| 15 | 1 | 12 | 46 | 41 | 0 |
| 16 | 1 | 13 | 46 | 40 | 0 |
| 17 | 1 | 13 | 46 | 40 | 0 |
| 18 | 1 | 13 | 46 | 40 | 0 |
| 19 | 1 | 13 | 46 | 40 | 0 |
| 20 | 1 | 13 | 46 | 40 | 0 |
| 21 | 1 | 13 | 47 | 39 | 0 |
| 22 | 1 | 13 | 47 | 39 | 0 |
| 23 | 1 | 14 | 47 | 38 | 0 |
| 24 | 1 | 14 | 48 | 38 | 0 |
| 25 | 1 | 14 | 48 | 37 | 0 |
| 26 | 1 | 15 | 49 | 36 | 0 |
| 27 | 1 | 15 | 49 | 35 | 0 |
| 28 | 1 | 15 | 49 | 34 | 0 |
| 29 | 2 | 16 | 50 | 33 | 0 |
| 30 | 2 | 16 | 50 | 32 | 0 |
| 31 | 2 | 16 | 51 | 31 | 0 |
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 18 min at the start of May to 11 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over May. Sunrise moves from 6:57 AM to 7:08 AM, and sunset from 6:17 PM to 6:06 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) | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 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 | 11.0 | 11.0 |
| Sunrise (AM) | 6:57 | 6:57 | 6:57 | 6:58 | 6:58 | 6:58 | 6:59 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:01 | 7:02 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:04 | 7:05 | 7:05 | 7:06 | 7:06 | 7:06 | 7:07 | 7:07 | 7:07 | 7:08 |
| Sunset (PM) | 6:17 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:09 | 6:08 | 6:08 | 6:08 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.3 | 6:57 | 6:17 |
| 2 | 11.3 | 6:57 | 6:16 |
| 3 | 11.3 | 6:57 | 6:15 |
| 4 | 11.3 | 6:58 | 6:15 |
| 5 | 11.3 | 6:58 | 6:14 |
| 6 | 11.3 | 6:58 | 6:14 |
| 7 | 11.2 | 6:59 | 6:13 |
| 8 | 11.2 | 6:59 | 6:13 |
| 9 | 11.2 | 6:59 | 6:12 |
| 10 | 11.2 | 7:00 | 6:12 |
| 11 | 11.2 | 7:00 | 6:11 |
| 12 | 11.2 | 7:01 | 6:11 |
| 13 | 11.2 | 7:01 | 6:10 |
| 14 | 11.1 | 7:01 | 6:10 |
| 15 | 11.1 | 7:02 | 6:10 |
| 16 | 11.1 | 7:02 | 6:09 |
| 17 | 11.1 | 7:02 | 6:09 |
| 18 | 11.1 | 7:03 | 6:09 |
| 19 | 11.1 | 7:03 | 6:08 |
| 20 | 11.1 | 7:04 | 6:08 |
| 21 | 11.1 | 7:04 | 6:08 |
| 22 | 11.1 | 7:04 | 6:07 |
| 23 | 11.0 | 7:05 | 6:07 |
| 24 | 11.0 | 7:05 | 6:07 |
| 25 | 11.0 | 7:06 | 6:07 |
| 26 | 11.0 | 7:06 | 6:07 |
| 27 | 11.0 | 7:06 | 6:06 |
| 28 | 11.0 | 7:07 | 6:06 |
| 29 | 11.0 | 7:07 | 6:06 |
| 30 | 11.0 | 7:07 | 6:06 |
| 31 | 11.0 | 7:08 | 6:06 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 4.2 kWh/m².
For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 6.76 kWh/m² in January across the year — May's 4.2 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) | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.6 | Bright |
| 2 | 4.6 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.1 | Bright |
| 21 | 4.0 | Bright |
| 22 | 4.0 | Bright |
| 23 | 4.0 | Bright |
| 24 | 4.0 | Moderate |
| 25 | 4.0 | Moderate |
| 26 | 4.0 | Moderate |
| 27 | 4.0 | Moderate |
| 28 | 4.0 | Moderate |
| 29 | 3.9 | Moderate |
| 30 | 3.9 | Moderate |
| 31 | 3.9 | Moderate |
Is May a good time to visit São Mateus?
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 São Mateus for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São Mateus in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, São Mateus sees daytime highs around 26°C and nights near 22°C. Worth packing: light clothes and rain gear. About 13 days see rain.
Sea temperature near São Mateus in May
The nearest coast averages about 26°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 27 km away) is warmest in March at about 28°C and coldest in August near 24°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) | 27 | 27 | 28 | 27 | 26 | 25 | 24 | 24 | 25 | 25 | 26 | 26 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 28 | Warm |
| Apr | 27 | Warm |
| May | 26 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Warm |
| Aug | 24 | Warm |
| Sep | 25 | Warm |
| Oct | 25 | Warm |
| Nov | 26 | Warm |
| Dec | 26 | Warm |
UV index in São Mateus in May
Clear-sky midday UV in May peaks around 8 — 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 Mateus peaks around February 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (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 | 15 | 13 | 10 | 8 | 7 | 7 | 9 | 10 | 12 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | High |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is São Mateus?
São Mateus sits at 18.7°S, 39.9°W, 38 m above sea level, in Brazil. The nearest listed city is Conceição da Barra, 19 km away.
Topography around São Mateus
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Mateus.
Within 3 km, the terrain around São Mateus has only modest variations in elevation — a maximum elevation change of 51 m around an average of 22 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, large variations in elevation — a maximum elevation change of 744 m.
The land around São Mateus is covered by trees (34%), artificial surfaces (26%) and grassland (21%) within 3 km, trees (55%) and grassland (26%) within 16 km, and grassland (37%), trees (33%) and water (27%) 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 Mateus (-18.7201°, -39.8589°, elevation 38 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).