Climate and monthly weather forecastSuna, Guinea-Bissau
Climate and monthly weather forecast
Weather in January
January, the same as December, is another sweltering winter month in Suna, Guinea-Bissau, with an average temperature fluctuating between 36.4°C (97.5°F) and 19.3°C (66.7°F). As Suna transitions into January, the average high-temperature stands at a still torrid 36.4°C (97.5°F), offering little variation from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also a fiery hot month in Suna, Guinea-Bissau, with an average temperature varying between 20.2°C (68.4°F) and 38.3°C (100.9°F). Suna registers an average high-temperature of a still fiery hot 38.3°C (100.9°F) with the arrival of February, showing minor deviation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Suna, is an extremely hot month, with an average temperature varying between 40.9°C (105.6°F) and 21°C (69.8°F). During March, the average high-temperature is a scorching 40.9°C (105.6°F), maintaining a close resemblance to that of the preceding month. Weather in March »Weather in April
April, like March, is another blisteringly hot spring month in Suna, Guinea-Bissau, with an average temperature varying between 22.6°C (72.7°F) and 42.1°C (107.8°F). Suna's warmest month, April, generally records average temperatures ranging from a high of 42.1°C (107.8°F) to a low of 22.6°C (72.7°F). Weather in April »Weather in May
The last month of the spring, May, is another extremely hot month in Suna, Guinea-Bissau, with an average temperature ranging between max 41.3°C (106.3°F) and min 23.8°C (74.8°F). The arrival of May brings an average high-temperature of a still extremely hot 41.3°C (106.3°F), nearly identical to April's 42.1°C (107.8°F). Weather in May »Weather in June
The first month of the summer, June, is also a fiery hot month in Suna, Guinea-Bissau, with an average temperature varying between 25.1°C (77.2°F) and 38.7°C (101.7°F). The advent of June brings an average high-temperature of a fiery hot 38.7°C (101.7°F), almost identical to the preceding month. Weather in June »Weather in July
July, the same as June, in Suna, Guinea-Bissau, is another tropical summer month, with temperature in the range of an average low of 23.9°C (75°F) and an average high of 33.4°C (92.1°F). The average high-temperature drops in July, from June's sweltering 38.7°C (101.7°F) to a hot 33.4°C (92.1°F). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Suna, Guinea-Bissau, with temperature in the range of an average low of 23.1°C (73.6°F) and an average high of 31°C (87.8°F). In Suna, Guinea-Bissau, August records the lowest average temperatures, peaking at 31°C (87.8°F) and reaching a low of 23.1°C (73.6°F). The heat index value for August is appraised at a blisteringly hot 43°C (109.4°F). Weather in August »Weather in September
September, the first month of the autumn in Suna, is also a hot month, with temperature in the range of an average high of 31.7°C (89.1°F) and an average low of 23°C (73.4°F). In the transition from August to September, Suna reports an average high-temperature of a still tropical 31.7°C (89.1°F), indicating a close resemblance to the prior month. Weather in September »Weather in October
October, like September, is another tropical autumn month in Suna, Guinea-Bissau, with an average temperature varying between 34.7°C (94.5°F) and 23.5°C (74.3°F). The start of October brings a subtle rise in the average high-temperature, moving from 31.7°C (89.1°F) in September to a still tropical 34.7°C (94.5°F). Weather in October »Weather in November
The last month of the autumn, November, is a fiery hot month in Suna, Guinea-Bissau, with temperature in the range of an average low of 21.6°C (70.9°F) and an average high of 36°C (96.8°F). November's presence records an average high-temperature of a very hot 36°C (96.8°F), closely mirroring October's climate. Weather in November »Weather in December
The first month of the winter, December, is still a torrid month in Suna, Guinea-Bissau, with an average temperature varying between 19.5°C (67.1°F) and 35.7°C (96.3°F). With the onset of December, the average high-temperature registers at a still fiery hot 35.7°C (96.3°F), subtly different from November's 36°C (96.8°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Suna, Guinea-Bissau
The warmest month (with the highest average high temperature) is April (42.1°C).
The month with the lowest average high temperature is August (31°C).
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).
Average pressure
Suna, Guinea-Bissau
- Average pressure in January:
1011.6mbar - Average pressure in February:
1010.4mbar - Average pressure in March:
1009.8mbar - Average pressure in April:
1009.5mbar - Average pressure in May:
1010.5mbar - Average pressure in June:
1012.1mbar
- Average pressure in July:
1012.6mbar - Average pressure in August:
1012.2mbar - Average pressure in September:
1012.1mbar - Average pressure in October:
1011mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1011.3mbar
The month with the highest atmospheric pressure is July (1012.6mbar).
The month with the lowest atmospheric pressure is April (1009.5mbar).
Average wind speed
Suna, Guinea-Bissau
- Average wind speed in January:
9.2km/h - Average wind speed in February:
9.4km/h - Average wind speed in March:
8.4km/h - Average wind speed in April:
8.4km/h - Average wind speed in May:
9.1km/h - Average wind speed in June:
9.2km/h
- Average wind speed in July:
7.9km/h - Average wind speed in August:
7.4km/h - Average wind speed in September:
6.2km/h - Average wind speed in October:
6km/h - Average wind speed in November:
6.4km/h - Average wind speed in December:
8.4km/h
The windiest month (with the highest average wind speed) is February (9.4km/h).
The calmest month (with the lowest average wind speed) is October (6km/h).
Average humidity
Suna, Guinea-Bissau
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (19%).
Average rainfall
Suna, Guinea-Bissau
The wettest month (with the highest rainfall) is August (206mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days
Suna, Guinea-Bissau
- Average rainfall days in January:
0.1 days - Average rainfall days in February:
0.2 days - Average rainfall days in March:
0.5 days - Average rainfall days in April:
1.3 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
11.1 days
- Average rainfall days in July:
23.8 days - Average rainfall days in August:
27.7 days - Average rainfall days in September:
23.9 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
1.7 days - Average rainfall days in December:
0.3 days
The month with the highest number of rainy days is August (27.7 days).
The month with the least rainy days is January (0.1 days).
Average daylight / Average sunshine
Suna, Guinea-Bissau
- Average daylight in January:
11h and 30min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 42min - Average daylight in June:
12h and 48min
- Average daylight in July:
12h and 48min - 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 24min
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 24min).
- Average sunshine in January:
9h and 48min - Average sunshine in February:
9h and 48min - Average sunshine in March:
9h and 54min - Average sunshine in April:
10h and 0min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
6h and 42min - Average sunshine in August:
5h and 54min - Average sunshine in September:
7h and 12min - Average sunshine in October:
9h and 18min - Average sunshine in November:
9h and 42min - Average sunshine in December:
9h and 42min
The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 54min).
Average sunshine days
Suna, Guinea-Bissau
- Average sunshine days in January:
30.9 days - Average sunshine days in February:
27.9 days - Average sunshine days in March:
30.6 days - Average sunshine days in April:
28.8 days - Average sunshine days in May:
27.1 days - Average sunshine days in June:
17.4 days
- Average sunshine days in July:
6.1 days - Average sunshine days in August:
2.5 days - Average sunshine days in September:
3.8 days - Average sunshine days in October:
14.4 days - Average sunshine days in November:
27.4 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 (2.5 days).
Average UV index
Suna, Guinea-Bissau
The months with the highest UV index are March, April and May (UV index 8).
The month with the lowest UV index is August (UV index 6).
Average cloud cover
Suna, Guinea-Bissau
The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is March (Cloud cover 6).
Average visibility
Suna, 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 (7km).





