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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Mandem, Guinea-Bissau, is another torrid winter month, with an average temperature fluctuating between 36.4°C (97.5°F) and 19.3°C (66.7°F). The onset of January manifests an average high-temperature of a still sweltering 36.4°C (97.5°F), demonstrating a minor variation from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is also a sweltering month in Mandem, Guinea-Bissau, with temperature in the range of an average high of 38.3°C (100.9°F) and an average low of 20.2°C (68.4°F). Mandem marks the start of February with an average high-temperature of a still very hot 38.3°C (100.9°F), hinting at a slight fluctuation from January's 36.4°C (97.5°F). Weather in February »
Weather in March
The first month of the spring, March, is a blistering month in Mandem, Guinea-Bissau, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 40.9°C (105.6°F). During March, Mandem observes a subtle ascent to a blistering 40.9°C (105.6°F) from February's 38.3°C (100.9°F) in the average high-temperature. Weather in March »
Weather in April
April, like March, is another blistering spring month in Mandem, Guinea-Bissau, with an average temperature varying between 42.1°C (107.8°F) and 22.6°C (72.7°F). The temperatures reach their highest averages in April, with highs of 42.1°C (107.8°F) and lows of 22.6°C (72.7°F). Weather in April »
Weather in May
May, the last month of the spring in Mandem, is also a scorching month, with an average temperature ranging between max 41.3°C (106.3°F) and min 23.8°C (74.8°F). The shift from April to May is characterized by an average high-temperature of a still scorching 41.3°C (106.3°F), not significantly different from the 42.1°C (107.8°F) of April. Weather in May »
Weather in June
June, the first month of the summer in Mandem, is also a sweltering month, with an average temperature fluctuating between 25.1°C (77.2°F) and 38.7°C (101.7°F). June denotes a minimal variation in the average high-temperature to a very hot 38.7°C (101.7°F) from May's 41.3°C (106.3°F). Weather in June »
Weather in July
July, the same as June, in Mandem, Guinea-Bissau, is another tropical summer month, with an average temperature fluctuating between 23.9°C (75°F) and 33.4°C (92.1°F). In July, the average high-temperature decreases from a fiery hot 38.7°C (101.7°F) in June to a tropical 33.4°C (92.1°F). Weather in July »
Weather in August
August, the last month of the summer in Mandem, is another hot month, with an average temperature varying between 31°C (87.8°F) and 23.1°C (73.6°F). Mandem records the coldest temperatures in August, averaging a high of 31°C (87.8°F) and a low of 23.1°C (73.6°F). For most parts of August, the heat index is appraised at a scorching 43°C (109.4°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a hot month in Mandem, Guinea-Bissau, 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). An average high-temperature of a still hot 31.7°C (89.1°F) marks September, exhibiting a close resemblance to the conditions in August. Weather in September »
Weather in October
October, like September, is a hot autumn month in Mandem, Guinea-Bissau, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 34.7°C (94.5°F). October signals a minor shift in the average high-temperature, moving from September's hot 31.7°C (89.1°F) to a still tropical 34.7°C (94.5°F). Weather in October »
Weather in November
November, the last month of the autumn in Mandem, is a torrid month, with an average temperature varying between 36°C (96.8°F) and 21.6°C (70.9°F). November notes an average high-temperature of a torrid 36°C (96.8°F), subtly differing from October's 34.7°C (94.5°F). Weather in November »
Weather in December
The first month of the winter, December, is also a sweltering month in Mandem, Guinea-Bissau, with an average temperature varying between 35.7°C (96.3°F) and 19.5°C (67.1°F). Stepping into December, Mandem records an average high-temperature of a still fiery hot 35.7°C (96.3°F), almost consistent with November. Weather in December »
Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the least humid month in Mandem?
The least humid month in Mandem, Guinea-Bissau, is January, with an average relative humidity of 19%.
What is the driest month in Mandem?
In Mandem, Guinea-Bissau, rain does not fall in January through March and December.
How much does it rain in Mandem?
Throughout the year, there are 107.6 rainfall days, and 593mm (23.35") of precipitation is accumulated.
What is the month with the highest UV index in Mandem?
The months with the highest UV index are March through May, with an average maximum UV index of 8.
What month is the hottest in Mandem?
In Mandem, Guinea-Bissau, the average highest temperatures are observed in April, with a high of 42.1°C (107.8°F) and a low of 22.6°C (72.7°F).
When does it rain in Mandem?
Months with rainfall are April through November.
What month has the most sunshine in Mandem?
With an average of 10h of sunshine, April has the most sunshine of the year in Mandem.
When are the longest days in Mandem?
With an average of 12h and 48min of daylight, June has the longest days of the year in Mandem, Guinea-Bissau.
What is the coldest time of year in Mandem?
August proves to be the coldest month in Mandem, recording an average maximum temperature of 31°C (87.8°F) and a minimum temperature of 23.1°C (73.6°F).
What is the most humid month in Mandem?
August is the most humid month in Mandem, Guinea-Bissau, with an average relative humidity of 86%.
What is the rainiest month in Mandem?
The month with the most rainfall in Mandem is August, when the rain falls for 27.7 days and typically aggregates up to 206mm (8.11") of precipitation.
What is the month with the least sunshine in Mandem?
With an average of 5.9h of sunshine, August has the least sunshine of the year in Mandem, Guinea-Bissau.
When is the lowest UV index in Mandem?
August is the month with the lowest UV index in Mandem, with an average maximum UV index of 6.
What is the month with the shortest days in Mandem?
With an average of 11h and 24min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Mandem?
Mandem, Guinea-Bissau, does not utilize Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Mandem, 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
Mandem, 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
Mandem, 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
Mandem, Guinea-Bissau
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (19%).
Average rainfall
Mandem, 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
Mandem, 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
Mandem, Guinea-Bissau
- Average daylight in January:
11h and 3min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 4min - Average daylight in June:
12h and 5min
- Average daylight in July:
12h and 5min - Average daylight in August:
12h and 3min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 2min
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 5min - Average sunshine in February:
9h and 5min - Average sunshine in March:
9h and 5min - Average sunshine in April:
10h and 0min - Average sunshine in May:
9h and 5min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
6h and 4min - Average sunshine in August:
5h and 5min - Average sunshine in September:
7h and 1min - Average sunshine in October:
9h and 2min - Average sunshine in November:
9h and 4min - Average sunshine in December:
9h and 4min
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
Mandem, 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
Mandem, 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
Mandem, 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
Mandem, 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).
