Climate and monthly weather forecastCatió, Guinea-Bissau
Climate and monthly weather forecast
The climate of Catió
Catió, located in Guinea-Bissau, experiences a Tropical wet and dry or savanna climate as classified by the Köppen climate classification, predominantly recognized by the code "Aw". This geographical position exposes the city to distinctive weather conditions throughout the year.Annually observed weather patterns reveal noticeable fluctuations in temperature, rainfall, humidity, and other climatological parameters. Temperatures oscillate between a high of 40.2°C (104.4°F) typically experienced in March and lows around 18.5°C (65.3°F) in February, suggesting variable warmth throughout the year. Higher temperatures generally coincide with decreased cloud coverage and increased hours of sunlight, particularly noticeable between January and March.
Rainfall plays a critical role in shaping Catió's climate, with a discernable rainy season and dry period. Persistent precipitation signals the onset of the rainy season between April and September, peaking in August with rainfall as high as 286mm (11.26"). Conversely, the remaining months, primarily from October until March, experience little to no rainfall. Similarly, humidity soars alongside the rainy season, peaking at 85%, and declines during the drier months to as low as 32%.
The best time to visit Catió
If the visitor's preference leans towards warm temperatures and clear blue skies, the period between November and April presents an ideal visiting window. During this time, the region experiences a minimal amount of rainfall, notably zero rainfall in January and December. Additionally, humidity dips to more comfortable levels, and sunshine hours increase to almost 10 hours per day, affording ample opportunity to explore the city.The worst time to visit Catió
Potential visitors seeking to evade heavy rainfall and high humidity levels would likely regard the period from June to August as less desirable for a visit. This phase signifies the peak of Catió's rainy season, with rainfall reaching staggering levels of up to 286mm (11.26") in August coupled with humidity levels hovering around 85%. Additionally, sunshine hours dwindle, offering less than 6 hours of sunshine per day.Spring weather in Catió
Spring in Catió does not conform to traditional notions of the season. March signals an upsurge in temperatures, peaking at 40.2°C (104.4°F), accompanied by relative humidity averaging 47%. This period observes an initial phase of rainfall, starting with 1mm (0.04") in March and advancing to 16mm (0.63") by May. A noteworthy pattern during the spring season is the incremental escalation in daylight hours, rising from 12.1 hours in March to 12.6 hours in May.Summer weather in Catió
Summer in Catió occurs amidst the heart of the rainy season. Rainfall increases rapidly from 57mm (2.24") in June to a towering 286mm (11.26") in August. As the precipitation surges, temperatures gradually recede, ranging from 34.8°C (94.6°F) in June down to 29.9°C (85.8°F) in August. The humidity levels in this period peak at around 85%, reflecting the high moisture content in the atmosphere. This season also registers a contraction in sunshine hours, dipping to roughly 5 hours per day.Autumn weather in Catió
Catió's autumn season features a gradual transitioning from the rainy to the dry phase. During this period, rainfall figures decrease from 168mm (6.61") in September to 13mm (0.51") by November. Despite this regression, humidity remains relatively high, averaging around 78% in the early fall before dropping to 61% by November. Temperatures in these months remain relatively constant, oscillating around the 30°C (86°F) mark.Winter weather in Catió
Winter in Catió is characterized by dry conditions, reflected in minimal rainfall during this period. Temperatures in the winter months range from 35°C (95°F) in December to 35.9°C (96.6°F) by February, hinting at consistently warm weather conditions. Humidity levels dip significantly, averaging 39% in December. The winter season also enjoys generous sunshine hours, with an average of around 9.6 hours of sunlight per day, creating a conducive climate for outdoor activities.Weather in January
January in Catió, Guinea-Bissau brings a blend of warm and dry weather. It is notably warmer than the proceeding month of December with highs reaching up to 37.1°C (98.8°F), making it a period of increased heat. Sundrenched days are a common feature with little to no rainfall. Weather in January »Weather in February
In Catió, temperatures rise a bit further in February, maintaining the warm trend of January. As a result, it is the beginning of the year’s warmest conditions, perpetuating summery climate. February experiences minimal cloud coverage, which ensures clear skies throughout the month. Weather in February »Weather in March
The warmth carries over into March with heightened temperatures, where Catió reaches a sizzling peak of 40.2°C (104.4°F). The dry and sunny weather prevails, marking the end of the warm season before the onset of severe heat and humidity. Weather in March »Weather in April
April marks a transitional period into the wet season in Catió. There is a slight dip in temperature from March, but still, it remains quite warm, creating an aesthetic of tropical weather. Commensurate with this shift, rainfall begins to increase, preparing the landscape for a more humid environment. Weather in April »Weather in May
May introduces a significant uptick in rainfall, measuring at 16mm (0.63"), indicative of Catió's wet season. The city transitions from the too hot summer days to a humid, rainy atmosphere with an appreciable dip in the temperature. Weather in May »Weather in June
June presages more intensive patterns of rainfall, establishing itself as a peak monsoon month in Catió. The temperature continues to drop mildly, offering some comfort from the lingering summer heat. It is accompanied by escalating humidity levels, transforming the city climate into a moist and heavy atmosphere. Weather in June »Weather in July
July is the integrale wet month in Catió, witnessing the highest rainfall levels of the year at 257mm (10.12"). The city faces ample rain showers, boosting relative humidity to its maximum, which can cause a suffocating environment for some. Weather in July »Weather in August
August upkeeps the wet dominant climate in Catió, replicating July’s rainfall patterns with a subtle increase. It is recognized for gearing up the atmosphere for an onset of cooler autumn months. Although August remains dominated by the rain, it exhibits a promising pattern of weather transition towards the end of the month. Weather in August »Weather in September
The heavy rainfall begins to recede in September in Catió, signalling an approaching end to the wet season. The climate transitions from being overwhelmingly humid to a pleasantly moderate atmosphere. The frequency of rainfall scales back, leading to an upswing in sunlight hours as days roll on. Weather in September »Weather in October
October brings a significant reduction in rainfall in Catió, marking the end of the wet season. Temperature starts ascending subtly, thereby, reviving warmer days. The increase in sunlight is accompanied by a lower percentage of cloud cover, making clear blue skies a familiar sight. Weather in October »Weather in November
November witnesses a more pronounced return of warm weather with average high temperatures of 35°C (95°F) in Catió. The noticeable decrease in rainfall and humidity levels allows for a more dry, sunny climate. The city experiences prolonged sunlight hours, making it an ideal period for outdoor activities. Weather in November »Weather in December
December is marked by a clear, pleasant climate in Catió, with minimal rainfall. The city is back to experiencing nominal humidity making for mainly dry conditions. There is an appreciable amount of sun for the longest hours, welcoming visitors in for various activities. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Catió, Guinea-Bissau
The warmest month (with the highest average high temperature) is March (40.2°C).
The month with the lowest average high temperature is August (29.9°C).
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is February (18.5°C).
Average pressure
Catió, Guinea-Bissau
- Average pressure in January:
1011.4mbar - Average pressure in February:
1010.4mbar - Average pressure in March:
1010.1mbar - Average pressure in April:
1010mbar - Average pressure in May:
1011.1mbar - Average pressure in June:
1012.6mbar
- Average pressure in July:
1013mbar - Average pressure in August:
1012.7mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1011.2mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is April (1010mbar).
Average wind speed
Catió, Guinea-Bissau
- Average wind speed in January:
7.8km/h - Average wind speed in February:
8.1km/h - Average wind speed in March:
8km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
9.4km/h - Average wind speed in June:
8.9km/h
- Average wind speed in July:
7.9km/h - Average wind speed in August:
7.8km/h - Average wind speed in September:
6.4km/h - Average wind speed in October:
5.7km/h - Average wind speed in November:
5.8km/h - Average wind speed in December:
7.2km/h
The windiest month (with the highest average wind speed) is May (9.4km/h).
The calmest month (with the lowest average wind speed) is October (5.7km/h).
Average humidity
Catió, Guinea-Bissau
The months with the highest relative humidity are August and September (85%).
The month with the lowest relative humidity is January (32%).
Average rainfall
Catió, Guinea-Bissau
The wettest month (with the highest rainfall) is August (286mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days
Catió, Guinea-Bissau
- Average rainfall days in January:
0 days - Average rainfall days in February:
0 days - Average rainfall days in March:
0.6 days - Average rainfall days in April:
1.9 days - Average rainfall days in May:
4.4 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
22.8 days - Average rainfall days in August:
25.7 days - Average rainfall days in September:
22.2 days - Average rainfall days in October:
16.8 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
0.2 days
The month with the highest number of rainy days is August (25.7 days).
The months with the least rainy days are January and February (0 days).
Average daylight / Average sunshine
Catió, Guinea-Bissau
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 48min
- Average daylight in July:
12h and 42min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 30min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
9h and 48min - Average sunshine in March:
10h and 0min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 42min - Average sunshine in June:
7h and 54min
- Average sunshine in July:
5h and 48min - Average sunshine in August:
5h and 6min - Average sunshine in September:
6h and 24min - Average sunshine in October:
8h and 42min - Average sunshine in November:
9h and 36min - Average sunshine in December:
9h and 36min
The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 6min).
Average sunshine days
Catió, Guinea-Bissau
- Average sunshine days in January:
30.9 days - Average sunshine days in February:
28.2 days - Average sunshine days in March:
30.3 days - Average sunshine days in April:
27.8 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
17.2 days
- Average sunshine days in July:
8 days - Average sunshine days in August:
4 days - Average sunshine days in September:
6.5 days - Average sunshine days in October:
12.9 days - Average sunshine days in November:
26.1 days - Average sunshine days in December:
30.7 days
The month with the most sunshine days is January (30.9 days).
The month with the least sunshine days is August (4 days).
Average UV index
Catió, Guinea-Bissau
The months with the highest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 7).
The month with the lowest UV index is August (UV index 6).
Average cloud cover
Catió, Guinea-Bissau
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is March (Cloud cover 7).
Average visibility
Catió, Guinea-Bissau
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).





