October weather forecast
Santa Maria, Guinea-Bissau

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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).

Temperature

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). Nighttime temperatures in October average to a moderately hot 25.7°C (78.3°F).

Heat index

The heat index value for October is appraised at a life-threatening hot 45°C (113°F). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in October is 74%.

Rainfall

In October, the rain falls for 15.6 days. Throughout October, 50mm (1.97") of precipitation is accumulated. Throughout the year, in Santa Maria, there are 107.5 rainfall days, and 726mm (28.58") of precipitation is accumulated.

Daylight

In October, the average length of the day in Santa Maria is 11h and 52min.
On the first day of the month, sunrise is at 06:50 and sunset at 18:51. On the last day of October, in Santa Maria, sunrise is at 06:53 and sunset at 18:36 GMT.

Sunshine

In Santa Maria, the average sunshine in October is 9.2h.

UV index

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. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 7 in October leads to these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot is it in Santa Maria in October?

During October, Santa Maria experiences an average high-temperature of 32.9°C (91.2°F) and a low-temperature of 25.7°C (78.3°F). In October, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 45°C (113°F).

What is the average humidity in October in Santa Maria?

In October, the average relative humidity in Santa Maria, Guinea-Bissau, is 74%.

How much does it rain in Santa Maria in October?

In Santa Maria, Guinea-Bissau, during October, the rain falls for 15.6 days and regularly aggregates up to 50mm (1.97") of precipitation.

What is the average length of the day in October in Santa Maria?

In October, the average day length in Santa Maria is 11h and 52min.

When is the sunrise / sunset in October in Santa Maria?

In October, on the first day of the month, sunrise is at 06:50 and sunset at 18:51. On the last day of the month, sunrise is at 06:53 and sunset at 18:36 GMT.

How many hours of sunshine does Santa Maria have in October?

In October, the average sunshine duration is 9.2h.

When is the highest UV index in Santa Maria?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

When is the lowest UV index in Santa Maria?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

How high is the UV index in October in Santa Maria?

The average daily maximum UV index in October is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in October
Santa Maria, Guinea-Bissau

Average temperature in October - Santa Maria, Guinea-Bissau
  • Average high temperature in October: 32.9°C

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).

  • Average low temperature in October: 25.7°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).

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Average pressure in October
Santa Maria, Guinea-Bissau

Average pressure in October - Santa Maria, Guinea-Bissau
  • Average pressure in October: 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).

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Average wind speed in October
Santa Maria, Guinea-Bissau

Average wind speed in October - Santa Maria, Guinea-Bissau
  • Average wind speed in October: 9km/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).

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Average humidity in October
Santa Maria, Guinea-Bissau

Average humidity in October - Santa Maria, Guinea-Bissau
  • Average humidity in October: 74%

The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (32%).

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Average rainfall in October
Santa Maria, Guinea-Bissau

Average rainfall in October - Santa Maria, Guinea-Bissau
  • Average rainfall in October: 50mm

The wettest month (with the highest rainfall) is August (270mm).
The driest months (with the least rainfall) are January and February (0mm).

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Average rainfall days in October
Santa Maria, Guinea-Bissau

Average rainfall days in October - Santa Maria, Guinea-Bissau
  • Average rainfall days in October: 15.6 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).

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Average daylight in October /
Average sunshine in October
Santa Maria, Guinea-Bissau

Average daylight in October / Average sunshine in October - Santa Maria, Guinea-Bissau
  • Average daylight in October: 11h and 5min

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 October: 9h and 1min

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).

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Average sunshine days in October
Santa Maria, Guinea-Bissau

Average sunshine days in October - Santa Maria, Guinea-Bissau
  • Average sunshine days in October: 13.2 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).

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Average UV index in October
Santa Maria, Guinea-Bissau

Average UV index in October - Santa Maria, Guinea-Bissau
  • Average UV index in October: 7

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).

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Average cloud cover in October
Santa Maria, Guinea-Bissau

Average cloud cover in October - Santa Maria, Guinea-Bissau
  • Average cloud cover in October: 25

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).

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Average visibility in October
Santa Maria, Guinea-Bissau

Average visibility in October - Santa Maria, Guinea-Bissau
  • Average visibility in October: 10km

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).

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Santa Maria, Guinea-Bissau

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