UTC Offset
UTC+00:00
Caió, Guinea-Bissau Snapshot 2026
Where is Caió?
Caió, Guinea-Bissau
- Continent
- Africa
- Country
- Guinea-Bissau
- City
- Caió
- Population
- 1.4K
- Coordinates
- 11.93°, -16.20°
Caió is a city in Guinea-Bissau with a population of approximately 1.4K. Average temperatures range from 22°C (72°F) in January to 32°C (89°F) in February. The best time to visit is January, February, December.
Time in Caió right now
Open full time & time zone page 16:07 07
Tuesday, June 30, 2026
IANA time zone
Africa/Bissau
Daylight saving
No DST
Next DST change
—
Live weather in Caió
Daylight in Caió today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 49m
Climate normals for Caió
Long-term monthly averages based on historical data.
January best
Excellent 
February best
Excellent March
Good April
Fair May
Fair June
Poor July
Wet August
Wet September
Wet October
Wet November
Fair December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 31°C / 22°C | 32°C / 22°C | 0days (0 mm) Excellent | 10.3h Excellent | 51% Moderate | 7.2 Very High | Excellent | View Details |
| February best | 32°C / 23°C | 33°C / 22°C | 0days (0 mm) Excellent | 10.7h Excellent | 53% Moderate | 8.3 Very High | Excellent | View Details |
| March | 31°C / 23°C | 34°C / 24°C | 0days (0 mm) Excellent | 11.1h Excellent | 61% Muggy | 9 Very High | Good | View Details |
| April | 31°C / 24°C | 35°C / 26°C | 0days (0 mm) Excellent | 11.6h Excellent | 67% Muggy | 9.2 Very High | Fair | View Details |
| May | 30°C / 24°C | 34°C / 27°C | 0days (2 mm) Excellent | 11.7h Excellent | 72% Muggy | 8.7 Very High | Fair | View Details |
| June | 29°C / 26°C | 35°C / 30°C | 8days (66 mm) Wet | 10.8h Excellent | 78% Humid | 8.2 Very High | Poor | View Details |
| July | 28°C / 25°C | 33°C / 30°C | 27days (404 mm) Wet | 8.1h Good | 84% Humid | 7.4 Very High | Wet | View Details |
| August | 28°C / 25°C | 33°C / 29°C | 28days (503 mm) Wet | 7.6h Good | 85% Humid | 7.3 Very High | Wet | View Details |
| September | 28°C / 25°C | 34°C / 30°C | 26days (372 mm) Wet | 8.2h Good | 84% Humid | 7.4 Very High | Wet | View Details |
| October | 30°C / 26°C | 36°C / 32°C | 19days (146 mm) Wet | 9.9h Good | 82% Humid | 7.6 Very High | Wet | View Details |
| November | 31°C / 26°C | 36°C / 30°C | 3days (15 mm) Excellent | 10.3h Excellent | 71% Muggy | 7.2 Very High | Fair | View Details |
| December best | 31°C / 23°C | 32°C / 24°C | 0days (0 mm) Excellent | 10h Excellent | 55% Moderate | 6.8 High | Excellent | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 31°C / 22°C . Feb: 32°C / 23°C . Mar: 31°C / 23°C . Apr: 31°C / 24°C . May: 30°C / 24°C . Jun: 29°C / 26°C . Jul: 28°C / 25°C . Aug: 28°C / 25°C . Sep: 28°C / 25°C . Oct: 30°C / 26°C . Nov: 31°C / 26°C . Dec: 31°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 0 mm. Feb: 0 mm. Mar: 0 mm. Apr: 0 mm. May: 2 mm. Jun: 66 mm. Jul: 404 mm. Aug: 503 mm. Sep: 372 mm. Oct: 146 mm. Nov: 15 mm. Dec: 0 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 51%. Feb: 53%. Mar: 61%. Apr: 67%. May: 72%. Jun: 78%. Jul: 84%. Aug: 85%. Sep: 84%. Oct: 82%. Nov: 71%. Dec: 55%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 15 km/h . Mar: 15 km/h . Apr: 16 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 16 km/h . Sep: 14 km/h . Oct: 11 km/h . Nov: 11 km/h . Dec: 13 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 25°C . Feb: 26°C . Mar: 27°C . Apr: 28°C . May: 29°C . Jun: 30°C . Jul: 29°C . Aug: 29°C . Sep: 30°C . Oct: 31°C . Nov: 30°C . Dec: 27°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 9. Jun: UV 8. Jul: UV 7. Aug: UV 7. Sep: UV 7. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Frequently Asked Questions
Caió has a population of approximately 1.4K.
The best months to visit Caió are January, February, December, when temperatures are pleasant and rainfall is lower.
Caió receives approximately 1508mm of rainfall annually across 111 rainy days.
Caió is located in Guinea-Bissau, in the Africa region.