December weather forecast
Monte Cafe, São Tomé and Príncipe

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Weather in December

December heralds a gradual transition back to drier conditions despite receiving 159mm (6.26") of rainfall and holding a temperature variation from 27.5°C (81.5°F) to 26.6°C (79.9°F). Exuding a balance between the preceding high rainfall and the upcoming dry phase, it signifies the closing month to the heightened wet season. Patrons can trace the mild shift towards lowered precipitation and plan accordingly. Moderate winds blowing at 10.8km/h (6.7mph) add to the climatological landscape of Monte Cafe. Sunlight remains a constant pleasure, gifting the city 12.1 hours of daylight to savor.

Temperature

The transition into December in Monte Cafe reveals an average high-temperature of a still warm 27.5°C (81.5°F), mirroring a close resemblance to November. Monte Cafe documents a consistent average low-temperature of 26.6°C (79.9°F) at night during December.

Heat index

The heat index for December is estimated at a hot 31°C (87.8°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Monte Cafe, during December, the rain falls for 28.6 days and regularly aggregates up to 159mm (6.26") of precipitation. Throughout the year, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

The months with the shortest days are January, November and December, with an average of 12h and 6min of daylight.
On the first day of the month, sunrise is at 05:19 and sunset at 17:25. On the last day of December, sunrise is at 05:33 and sunset at 17:39 GMT.

Sunshine

The average sunshine in December in Monte Cafe is 8.2h.

UV index

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Monte Cafe. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 7 turns into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the average December temperature in Monte Cafe?

December temperatures in Monte Cafe vary between a high-temperature of 27.5°C (81.5°F) and a low-temperature of 26.6°C (79.9°F). In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 31°C (87.8°F).

What is the average humidity in December in Monte Cafe?

In Monte Cafe, São Tomé and Príncipe, the average relative humidity in December is 79%.

How much does it rain in Monte Cafe in December?

In Monte Cafe, in December, during 28.6 rainfall days, 159mm (6.26") of precipitation is typically accumulated.

What are the months with the shortest days in Monte Cafe?

January, November and December, with an average of 12h and 6min of daylight, are months with the shortest days in Monte Cafe, São Tomé and Príncipe.

How many hours of daylight does Monte Cafe have in December?

In December, the average day length is 12h and 7min.

When is the sunrise / sunset in December in Monte Cafe?

On the first day of December in Monte Cafe, São Tomé and Príncipe, sunrise is at 05:19 and sunset at 17:25. On the last day of the month, sunrise is at 05:33 and sunset at 17:39 GMT.

How many hours of sunshine does Monte Cafe have in December?

In Monte Cafe, the average sunshine duration in December is 8.2h.

What is the month with the highest UV index in Monte Cafe?

January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Monte Cafe, São Tomé and Príncipe.

What is the UV index intensity in December in Monte Cafe?

In December, the average daily maximum UV index in Monte Cafe is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Average temperature in December
Monte Cafe, São Tomé and Príncipe

Average temperature in December - Monte Cafe, São Tomé and Príncipe
  • Average high temperature in December: 27.5°C

The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in December: 26.6°C

The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).

Average pressure in December
Monte Cafe, São Tomé and Príncipe

Average pressure in December - Monte Cafe, São Tomé and Príncipe
  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).

Average wind speed in December
Monte Cafe, São Tomé and Príncipe

Average wind speed in December - Monte Cafe, São Tomé and Príncipe
  • Average wind speed in December: 10.8km/h

The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).

Average humidity in December
Monte Cafe, São Tomé and Príncipe

Average humidity in December - Monte Cafe, São Tomé and Príncipe
  • Average humidity in December: 79%

The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).

Average rainfall in December
Monte Cafe, São Tomé and Príncipe

Average rainfall in December - Monte Cafe, São Tomé and Príncipe
  • Average rainfall in December: 159mm

The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in December
Monte Cafe, São Tomé and Príncipe

Average rainfall days in December - Monte Cafe, São Tomé and Príncipe
  • Average rainfall days in December: 28.6 days

The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).

Average daylight in December /
Average sunshine in December
Monte Cafe, São Tomé and Príncipe

Average daylight in December / Average sunshine in December - Monte Cafe, São Tomé and Príncipe
  • Average daylight in December: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).

  • Average sunshine in December: 8h and 1min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in December
Monte Cafe, São Tomé and Príncipe

Average sunshine days in December - Monte Cafe, São Tomé and Príncipe
  • Average sunshine days in December: 1.5 days

The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).

Average UV index in December
Monte Cafe, São Tomé and Príncipe

Average UV index in December - Monte Cafe, São Tomé and Príncipe
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in December
Monte Cafe, São Tomé and Príncipe

Average cloud cover in December - Monte Cafe, São Tomé and Príncipe
  • Average cloud cover in December: 41

The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).

Average visibility in December
Monte Cafe, São Tomé and Príncipe

Average visibility in December - Monte Cafe, São Tomé and Príncipe
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).

Monte Cafe, São Tomé and Príncipe

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