Climate and monthly weather forecastChumael, Guinea-Bissau
Climate and monthly weather forecast
Weather in January
January, like December, in Chumael, Guinea-Bissau, is another sweltering winter month, with an average temperature varying between 18.8°C (65.8°F) and 37.1°C (98.8°F). The advent of January brings an average high-temperature of a still fiery hot 37.1°C (98.8°F), almost identical to the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also a sweltering month in Chumael, Guinea-Bissau, with an average temperature ranging between max 38.9°C (102°F) and min 18.5°C (65.3°F). With the onset of February, Chumael's average high-temperature clocks in at a still fiery hot 38.9°C (102°F), showing a minor fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Chumael, is a scorching month, with an average temperature varying between 18.9°C (66°F) and 40.2°C (104.4°F). In Chumael, March is identified by the highest average temperatures, reaching a peak of 40.2°C (104.4°F) and a low of 18.9°C (66°F). The heat index value during March is computed to be a life-threatening hot 53°C (127.4°F). Weather in March »Weather in April
April, the same as March, is another fiery hot spring month in Chumael, Guinea-Bissau, with an average temperature varying between 39.5°C (103.1°F) and 20.8°C (69.4°F). The onset of April manifests an average high-temperature of a fiery hot 39.5°C (103.1°F), demonstrating a minor variation from the preceding month. Weather in April »Weather in May
May, the last month of the spring in Chumael, is another torrid month, with an average temperature ranging between max 37.6°C (99.7°F) and min 23.2°C (73.8°F). As Chumael steps into May, the average high-temperature is measured at a still sweltering 37.6°C (99.7°F), displaying minor differences from April's 39.5°C (103.1°F). Weather in May »Weather in June
June, the first month of the summer in Chumael, is still a hot month, with an average temperature varying between 25.1°C (77.2°F) and 34.8°C (94.6°F). June's arrival registers an average high-temperature of a tropical 34.8°C (94.6°F), closely aligning with the temperature of the previous month. Weather in June »Weather in July
July, like June, is another tropical summer month in Chumael, Guinea-Bissau, with an average temperature ranging between max 31.1°C (88°F) and min 24.3°C (75.7°F). Transitioning from June to July involves a subtle drop in average high-temperatures, descending from 34.8°C (94.6°F) to a still hot 31.1°C (88°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Chumael, Guinea-Bissau, with an average temperature fluctuating between 29.9°C (85.8°F) and 23.8°C (74.8°F). The month of August sees the lowest average temperatures, reaching 29.9°C (85.8°F) at the peak and 23.8°C (74.8°F) at the low. August's mean heat index is computed to be a fiery hot 39°C (102.2°F). Weather in August »Weather in September
The first month of the autumn, September, is a tropical month in Chumael, Guinea-Bissau, with an average temperature fluctuating between 23.6°C (74.5°F) and 30.9°C (87.6°F). September's commencement is accompanied by an average high-temperature of a hot 30.9°C (87.6°F), diverging marginally from August's 29.9°C (85.8°F). Weather in September »Weather in October
October, the same as September, in Chumael, Guinea-Bissau, is another tropical autumn month, with an average temperature ranging between max 33.5°C (92.3°F) and min 24.3°C (75.7°F). As October unfolds, the average high-temperature reaches a still tropical 33.5°C (92.3°F), hinting at a slight fluctuation from the previous month. Weather in October »Weather in November
November, the last month of the autumn in Chumael, is a torrid month, with an average temperature varying between 35°C (95°F) and 23°C (73.4°F). Chumael experiences an average high-temperature of a very hot 35°C (95°F) with the onset of November, subtly varied from October's 33.5°C (92.3°F). Weather in November »Weather in December
December, the first month of the winter in Chumael, is still a very hot month, with an average temperature fluctuating between 20°C (68°F) and 35.9°C (96.6°F). The beginning of December records an average high-temperature of a still very hot 35.9°C (96.6°F), marking a negligible difference from November's 35°C (95°F). 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
With an average relative humidity of 32%, January is the least humid month in Chumael, Guinea-Bissau.
January, February and December are months without rainfall.
Throughout the year, in Chumael, 868mm (34.17") of rain is accumulated.
January through July, September through December, with an average maximum UV index of 7, are months with the highest UV index.
March tends to be the warmest month, with temperatures averaging a daily high of 40.2°C (104.4°F) and a low of 18.9°C (66°F).
Months with rainfall in Chumael, Guinea-Bissau, are March through November.
March has the most sunshine of the year in Chumael, with an average of 10h of sunshine.
June has the longest days of the year in Chumael, with an average of 12h and 48min of daylight.
Chumael, Guinea-Bissau, notes the coldest temperatures in August, with a average high of 29.9°C (85.8°F) and a low of 23.8°C (74.8°F).
August and September, with an average relative humidity of 85%, are most humid months.
August is the month with the most rainfall. Rain falls for 25.7 days and accumulates 286mm (11.26") of precipitation.
August has the least sunshine of the year, with an average of 5.1h of sunshine.
The month with the lowest UV index is August, with an average maximum UV index of 6.
December has the shortest days of the year in Chumael, Guinea-Bissau, with an average of 11h and 30min of daylight.
Chumael, Guinea-Bissau, does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Chumael, 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
Chumael, 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
Chumael, 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
Chumael, 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
Chumael, 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
Chumael, 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
Chumael, Guinea-Bissau
- Average daylight in January:
11h and 30min - 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 42min - 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
Chumael, 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
Chumael, 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
Chumael, 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
Chumael, 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).
