Climate and monthly weather forecastSanta Maria, Guinea-Bissau
Climate and monthly weather forecast
Weather in January
January, the same as December, in Santa Maria, Guinea-Bissau, is a hot winter month, with an average temperature ranging between max 34.2°C (93.6°F) and min 21.8°C (71.2°F). The commencement of January introduces an average high-temperature of a still tropical 34.2°C (93.6°F), closely mirroring the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another hot month in Santa Maria, Guinea-Bissau, with an average temperature ranging between min 22.1°C (71.8°F) and max 34.9°C (94.8°F). The high-temperature average in February for Santa Maria is a still hot 34.9°C (94.8°F), staying closely aligned with January's conditions. Weather in February »Weather in March
March, the first month of the spring in Santa Maria, is a torrid month, with an average temperature fluctuating between 22.8°C (73°F) and 35.5°C (95.9°F). In Santa Maria, the peak average temperatures are observed in March, with a high of 35.5°C (95.9°F) and a low of 22.8°C (73°F). For March, the heat index is appraised at a blistering 40°C (104°F). Weather in March »Weather in April
April, the same as March, is a very hot spring month in Santa Maria, Guinea-Bissau, with temperature in the range of an average high of 35°C (95°F) and an average low of 23.5°C (74.3°F). During April, Santa Maria observes a subtle ascent to a still sweltering 35°C (95°F) from March's 35.5°C (95.9°F) in the average high-temperature. Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Santa Maria, Guinea-Bissau, with an average temperature fluctuating between 24.4°C (75.9°F) and 33.7°C (92.7°F). The advent of May brings an average high-temperature of a tropical 33.7°C (92.7°F), almost identical to the preceding month. Weather in May »Weather in June
The first month of the summer, June, is also a hot month in Santa Maria, Guinea-Bissau, with an average temperature fluctuating between 32.8°C (91°F) and 26°C (78.8°F). In the transition from May to June, Santa Maria reports an average high-temperature of a still hot 32.8°C (91°F), indicating a close resemblance to the prior month. Weather in June »Weather in July
July, like June, is a hot summer month in Santa Maria, Guinea-Bissau, with an average temperature fluctuating between 30.7°C (87.3°F) and 25.4°C (77.7°F). The advent of July observes an average high-temperature of a still hot 30.7°C (87.3°F), nearly identical to June's 32.8°C (91°F). Weather in July »Weather in August
August, the last month of the summer in Santa Maria, is another warm month, with an average temperature ranging between min 25°C (77°F) and max 29.6°C (85.3°F). August is the month when Santa Maria experiences its coldest temperatures, averaging a high of 29.6°C (85.3°F) and a low of 25°C (77°F). August's mean heat index is appraised at a sweltering 37°C (98.6°F). Weather in August »Weather in September
September, the first month of the autumn in Santa Maria, is a tropical month, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 25°C (77°F). The beginning of September reveals an average high-temperature of a tropical 30.5°C (86.9°F), showing minimal deviation from the previous month. Weather in September »Weather in October
October, the same as September, in Santa Maria, Guinea-Bissau, is a hot autumn month, with an average temperature varying between 25.7°C (78.3°F) and 32.9°C (91.2°F). With the onset of October, the average high-temperature registers at a still hot 32.9°C (91.2°F), subtly different from September's 30.5°C (86.9°F). Weather in October »Weather in November
November, the last month of the autumn in Santa Maria, is another hot month, with temperature in the range of an average high of 34.3°C (93.7°F) and an average low of 24.7°C (76.5°F). The beginning of November records an average high-temperature of a still hot 34.3°C (93.7°F), marking a negligible difference from October's 32.9°C (91.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a tropical month in Santa Maria, Guinea-Bissau, with an average temperature varying between 22.5°C (72.5°F) and 34°C (93.2°F). With the onset of December, a modest change to a still hot 34°C (93.2°F) from November's 34.3°C (93.7°F) is noted in high-temperature. 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
The least humid month is January, with an average relative humidity of 32%.
In Santa Maria, rain does not fall in January and February.
Throughout the year, in Santa Maria, Guinea-Bissau, there are 107.5 rainfall days, and 726mm (28.58") of precipitation is accumulated.
January through December, with an average maximum UV index of 7, are months with the highest UV index.
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Santa Maria, Guinea-Bissau.
March proves to be the warmest month, recording an average peak temperature of 35.5°C (95.9°F) and a minimum temperature of 22.8°C (73°F).
Months with rainfall are March through December.
March through May, with an average of 9.9h of sunshine, are months with the most sunshine.
With an average of 12h and 48min of daylight, June has the longest days of the year in Santa Maria, Guinea-Bissau.
Santa Maria, Guinea-Bissau, reaches its average lowest temperatures in August, measuring 29.6°C (85.3°F) at the peak and 25°C (77°F) at the lowest.
The most humid month in Santa Maria, Guinea-Bissau, is August, with an average relative humidity of 82%.
The month with the most rainfall is August, when the rain falls for 26.9 days and typically aggregates up to 270mm (10.63") of precipitation.
August has the least sunshine of the year in Santa Maria, with an average of 6.1h of sunshine.
December has the shortest days of the year in Santa Maria, with an average of 11h and 30min of daylight.
Santa Maria, Guinea-Bissau, does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Santa Maria, Guinea-Bissau
The warmest month (with the highest average high temperature) is March (35.5°C).
The month with the lowest average high temperature is August (29.6°C).
The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is January (21.8°C).
Average pressure
Santa Maria, Guinea-Bissau
- Average pressure in January:
1011.5mbar - Average pressure in February:
1010.5mbar - Average pressure in March:
1010.1mbar - Average pressure in April:
1010.1mbar - Average pressure in May:
1011.1mbar - Average pressure in June:
1012.6mbar
- Average pressure in July:
1012.9mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1012.2mbar - Average pressure in October:
1011.2mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1011.2mbar
The month with the highest atmospheric pressure is July (1012.9mbar).
The months with the lowest atmospheric pressure are March and April (1010.1mbar).
Average wind speed
Santa Maria, Guinea-Bissau
- Average wind speed in January:
11.2km/h - Average wind speed in February:
11.5km/h - Average wind speed in March:
11.6km/h - Average wind speed in April:
12.1km/h - Average wind speed in May:
13.1km/h - Average wind speed in June:
13.2km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
12.1km/h - Average wind speed in September:
9.7km/h - Average wind speed in October:
9km/h - Average wind speed in November:
9km/h - Average wind speed in December:
10.6km/h
The windiest month (with the highest average wind speed) is June (13.2km/h).
The calmest months (with the lowest average wind speed) are October and November (9km/h).
Average humidity
Santa Maria, Guinea-Bissau
The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (32%).
Average rainfall
Santa Maria, Guinea-Bissau
The wettest month (with the highest rainfall) is August (270mm).
The driest months (with the least rainfall) are January and February (0mm).
Average rainfall days
Santa Maria, Guinea-Bissau
- Average rainfall days in January:
0.3 days - Average rainfall days in February:
0.4 days - Average rainfall days in March:
0.7 days - Average rainfall days in April:
2.2 days - Average rainfall days in May:
3.8 days - Average rainfall days in June:
9.2 days
- Average rainfall days in July:
23.4 days - Average rainfall days in August:
26.9 days - Average rainfall days in September:
20.7 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
3.6 days - Average rainfall days in December:
0.7 days
The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is January (0.3 days).
Average daylight / Average sunshine
Santa Maria, 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:
9h and 54min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 54min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
6h and 54min - Average sunshine in August:
6h and 6min - Average sunshine in September:
7h and 30min - Average sunshine in October:
9h and 12min - Average sunshine in November:
9h and 42min - Average sunshine in December:
9h and 42min
The months with the most sunshine are March, April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).
Average sunshine days
Santa Maria, Guinea-Bissau
- Average sunshine days in January:
30.7 days - Average sunshine days in February:
27.6 days - Average sunshine days in March:
30.2 days - Average sunshine days in April:
27.8 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
20.2 days
- Average sunshine days in July:
5.6 days - Average sunshine days in August:
2.9 days - Average sunshine days in September:
8 days - Average sunshine days in October:
13.2 days - Average sunshine days in November:
24.3 days - Average sunshine days in December:
29.8 days
The month with the most sunshine days is January (30.7 days).
The month with the least sunshine days is August (2.9 days).
Average UV index
Santa Maria, Guinea-Bissau
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Santa Maria, Guinea-Bissau
The month with the most cloud cover is August (Cloud cover 57).
The months with the least cloud cover are March and April (Cloud cover 7).
Average visibility
Santa Maria, Guinea-Bissau
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
