Cairu weather in May
In May, Cairu sees average daytime highs of 27°C and overnight lows near 23°C, with 149 mm of rain across 22 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 2nd-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 27% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 11 h 30 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Cairu's 9th-clearest and 7th-windiest month. For the whole year in context, see Cairu's year-round climate.
- Daytime high
- 27°
- 8th warmest
- Overnight low
- 23°
- 6th coldest
- Rainfall
- 149 mm
- 22 wet days
- Daylight
- 11 h 24 min
- 5:51 AM – 5:14 PM
- Cloud cover
- 56%
- 9th clearest
- Wind
- 12 km/h
- 7th windiest
- Solar energy
- 4.08 kWh/m²
- Travel score
- 4.8
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 27°C through the month.
A typical May day in Cairu 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 28°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 | 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 | 27 | 27 | 26 |
| 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 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 23 |
| 2 | 27 | 23 |
| 3 | 27 | 23 |
| 4 | 27 | 23 |
| 5 | 27 | 23 |
| 6 | 27 | 23 |
| 7 | 27 | 23 |
| 8 | 27 | 23 |
| 9 | 27 | 23 |
| 10 | 27 | 23 |
| 11 | 27 | 23 |
| 12 | 27 | 23 |
| 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 | 22 |
| 25 | 27 | 22 |
| 26 | 27 | 22 |
| 27 | 27 | 22 |
| 28 | 27 | 22 |
| 29 | 27 | 22 |
| 30 | 27 | 22 |
| 31 | 26 | 22 |
How May really feels in Cairu
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Cairu weather by month
How May compares with the rest of the year at a glance. May is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 87 | 19.4 | 12.7 | 4.5 |
| Feb | 29° / 24° | 77 | 19.7 | 12.4 | 4.2 |
| Mar | 29° / 24° | 106 | 22.2 | 12.1 | 4.1 |
| Apr | 28° / 24° | 141 | 23.6 | 11.7 | 4.2 |
| May | 27° / 23° | 149 | 22 | 11.4 | 4.8 |
| Jun | 26° / 22° | 150 | 23.2 | 11.2 | 4.8 |
| Jul | 25° / 21° | 131 | 23.3 | 11.3 | 5.0 |
| Aug | 25° / 21° | 104 | 21.1 | 11.6 | 5.3 |
| Sep | 26° / 22° | 84 | 18.3 | 11.9 | 5.5 |
| Oct | 27° / 23° | 79 | 17.8 | 12.3 | 5.5 |
| Nov | 28° / 23° | 99 | 18 | 12.6 | 5.1 |
| Dec | 28° / 24° | 74 | 16.1 | 12.8 | 5.0 |
Cloud cover in May
The sky is clear or mostly clear about 27% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 31% of May, with mostly cloudy or overcast conditions the remaining 42%.
| 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 (%) | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 58 | 58 | 57 | 57 | 55 | 55 | 55 | 54 | 54 | 54 | 55 | 55 | 56 | 57 | 57 | 58 | 59 | 60 | 60 | 61 | 61 | 61 | 61 | 61 |
| Cloudier (%) | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 42 | 42 | 43 | 43 | 45 | 45 | 45 | 46 | 46 | 46 | 45 | 45 | 44 | 43 | 43 | 42 | 41 | 40 | 40 | 39 | 39 | 39 | 39 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 60 | 40 |
| 7 | 60 | 40 |
| 8 | 58 | 42 |
| 9 | 58 | 42 |
| 10 | 57 | 43 |
| 11 | 57 | 43 |
| 12 | 55 | 45 |
| 13 | 55 | 45 |
| 14 | 55 | 45 |
| 15 | 54 | 46 |
| 16 | 54 | 46 |
| 17 | 54 | 46 |
| 18 | 55 | 45 |
| 19 | 55 | 45 |
| 20 | 56 | 44 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 58 | 42 |
| 24 | 59 | 41 |
| 25 | 60 | 40 |
| 26 | 60 | 40 |
| 27 | 61 | 39 |
| 28 | 61 | 39 |
| 29 | 61 | 39 |
| 30 | 61 | 39 |
| 31 | 61 | 39 |
Chance of precipitation in May
Cairu gets around 149 mm of rain over 22 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 72% and peaks near 79% 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 (%) | 79 | 79 | 78 | 78 | 77 | 76 | 76 | 75 | 75 | 74 | 73 | 72 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 69 | 70 | 70 | 71 |
| Rain chance (%) | |
|---|---|
| 1 | 79 |
| 2 | 79 |
| 3 | 78 |
| 4 | 78 |
| 5 | 77 |
| 6 | 76 |
| 7 | 76 |
| 8 | 75 |
| 9 | 75 |
| 10 | 74 |
| 11 | 73 |
| 12 | 72 |
| 13 | 72 |
| 14 | 71 |
| 15 | 71 |
| 16 | 70 |
| 17 | 70 |
| 18 | 69 |
| 19 | 69 |
| 20 | 68 |
| 21 | 68 |
| 22 | 68 |
| 23 | 68 |
| 24 | 68 |
| 25 | 68 |
| 26 | 68 |
| 27 | 69 |
| 28 | 69 |
| 29 | 70 |
| 30 | 70 |
| 31 | 71 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 78% 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 0 | 0 | 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 |
| Muggy (%) | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 29 |
| Oppressive (%) | 90 | 90 | 89 | 88 | 87 | 86 | 85 | 84 | 83 | 83 | 82 | 81 | 79 | 78 | 77 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 72 | 72 | 72 | 71 | 71 | 72 | 71 | 71 | 70 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 0 | 9 | 90 | 1 |
| 2 | 0 | 9 | 90 | 1 |
| 3 | 0 | 10 | 89 | 1 |
| 4 | 0 | 11 | 88 | 1 |
| 5 | 0 | 12 | 87 | 1 |
| 6 | 0 | 13 | 86 | 1 |
| 7 | 0 | 14 | 85 | 1 |
| 8 | 0 | 15 | 84 | 1 |
| 9 | 0 | 16 | 83 | 1 |
| 10 | 0 | 16 | 83 | 1 |
| 11 | 0 | 17 | 82 | 1 |
| 12 | 0 | 18 | 81 | 1 |
| 13 | 0 | 19 | 79 | 2 |
| 14 | 0 | 20 | 78 | 2 |
| 15 | 0 | 21 | 77 | 2 |
| 16 | 0 | 22 | 76 | 2 |
| 17 | 0 | 22 | 76 | 2 |
| 18 | 0 | 23 | 75 | 2 |
| 19 | 0 | 24 | 75 | 1 |
| 20 | 0 | 24 | 75 | 1 |
| 21 | 0 | 25 | 74 | 1 |
| 22 | 0 | 25 | 74 | 1 |
| 23 | 1 | 26 | 72 | 1 |
| 24 | 1 | 26 | 72 | 1 |
| 25 | 1 | 26 | 72 | 1 |
| 26 | 1 | 27 | 71 | 1 |
| 27 | 1 | 27 | 71 | 1 |
| 28 | 1 | 27 | 72 | 0 |
| 29 | 1 | 28 | 71 | 0 |
| 30 | 1 | 28 | 71 | 0 |
| 31 | 1 | 29 | 70 | 0 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 12 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | calm | calm | calm | calm | calm | calm | calm | 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 | 12 | calm |
| 2 | 12 | calm |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | light breeze |
| 28 | 12 | light breeze |
| 29 | 12 | light breeze |
| 30 | 12 | light breeze |
| 31 | 12 | light breeze |
Sunrise & sunset in May
Daylight runs from about 11 h 30 min at the start of May to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over May. Sunrise moves from 5:48 AM to 5:55 AM, and sunset from 5:19 PM to 5:12 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) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| Sunrise (AM) | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:51 | 5:51 | 5:52 | 5:52 | 5:52 | 5:52 | 5:53 | 5:53 | 5:53 | 5:54 | 5:54 | 5:54 | 5:55 | 5:55 | 5:55 | 5:55 |
| Sunset (PM) | 5:19 | 5:19 | 5:18 | 5:18 | 5:17 | 5:17 | 5:17 | 5:16 | 5:16 | 5:16 | 5:15 | 5:15 | 5:15 | 5:14 | 5:14 | 5:14 | 5:14 | 5:13 | 5:13 | 5:13 | 5:13 | 5:13 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 5:48 | 5:19 |
| 2 | 11.5 | 5:48 | 5:19 |
| 3 | 11.5 | 5:48 | 5:18 |
| 4 | 11.5 | 5:48 | 5:18 |
| 5 | 11.5 | 5:48 | 5:17 |
| 6 | 11.5 | 5:49 | 5:17 |
| 7 | 11.5 | 5:49 | 5:17 |
| 8 | 11.5 | 5:49 | 5:16 |
| 9 | 11.4 | 5:49 | 5:16 |
| 10 | 11.4 | 5:50 | 5:16 |
| 11 | 11.4 | 5:50 | 5:15 |
| 12 | 11.4 | 5:50 | 5:15 |
| 13 | 11.4 | 5:50 | 5:15 |
| 14 | 11.4 | 5:51 | 5:14 |
| 15 | 11.4 | 5:51 | 5:14 |
| 16 | 11.4 | 5:51 | 5:14 |
| 17 | 11.4 | 5:51 | 5:14 |
| 18 | 11.4 | 5:52 | 5:13 |
| 19 | 11.4 | 5:52 | 5:13 |
| 20 | 11.3 | 5:52 | 5:13 |
| 21 | 11.3 | 5:52 | 5:13 |
| 22 | 11.3 | 5:53 | 5:13 |
| 23 | 11.3 | 5:53 | 5:12 |
| 24 | 11.3 | 5:53 | 5:12 |
| 25 | 11.3 | 5:54 | 5:12 |
| 26 | 11.3 | 5:54 | 5:12 |
| 27 | 11.3 | 5:54 | 5:12 |
| 28 | 11.3 | 5:55 | 5:12 |
| 29 | 11.3 | 5:55 | 5:12 |
| 30 | 11.3 | 5:55 | 5:12 |
| 31 | 11.3 | 5:55 | 5:12 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 4.08 kWh/m².
For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.24 kWh/m² in January across the year — May's 4.08 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) | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.8 |
| Level | 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 | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.4 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.0 | Bright |
| 18 | 4.0 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Bright |
| 21 | 4.0 | Moderate |
| 22 | 4.0 | Moderate |
| 23 | 4.0 | Moderate |
| 24 | 3.9 | Moderate |
| 25 | 3.9 | Moderate |
| 26 | 3.9 | Moderate |
| 27 | 3.9 | Moderate |
| 28 | 3.9 | Moderate |
| 29 | 3.9 | Moderate |
| 30 | 3.9 | Moderate |
| 31 | 3.8 | Moderate |
Is May a good time to visit Cairu?
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 Cairu for sightseeing.
What to pack for Cairu in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Cairu sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 22 days see rain.
Sea temperature near Cairu in May
The nearest coast averages about 27°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 22 km away) is warmest in March at about 28°C and coldest in August near 25°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) | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 27 |
| Comfort | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 27 | Warm |
| Jun | 26 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 26 | Warm |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in Cairu in May
Clear-sky midday UV in May 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 Cairu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very 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) | 13 | 15 | 14 | 12 | 9 | 8 | 8 | 10 | 11 | 13 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Where is Cairu?
Cairu sits at 13.5°S, 39.0°W, 17 m above sea level, in Brazil. The nearest listed city is Taperoá, 8.0 km away.
Topography around Cairu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cairu.
Within 3 km, the terrain around Cairu has only modest variations in elevation — a maximum elevation change of 55 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 212 m; within 80 km, large variations in elevation — a maximum elevation change of 898 m.
The land around Cairu is covered by mangroves (33%), trees (32%) and water (31%) within 3 km, trees (59%) within 16 km, and trees (48%) and water (32%) 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 Cairu (-13.4869°, -39.0439°, elevation 17 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).