December weather forecast
Okoyo, Congo

Weather in December

December, the first month of the summer in Okoyo, is still a tropical month, with an average temperature varying between 31.5°C (88.7°F) and 22.3°C (72.1°F).

Temperature

In December, the average high-temperature is practically the same as in November - a still hot 31.5°C (88.7°F). The average low-temperature, in Okoyo, Congo, is 22.3°C (72.1°F).

Heat index

The average heat index in December is calculated to be a scorching 40°C (104°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, wind, pregnancy). 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Okoyo, the average relative humidity in December is 74%.

Rainfall

In Okoyo, during December, the rain falls for 24 days and regularly aggregates up to 108mm (4.25") of precipitation. Throughout the year, there are 276.3 rainfall days, and 1248mm (49.13") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 13min of daylight.
On the first day of the month, sunrise is at 05:42 and sunset at 17:54. On the last day of December, sunrise is at 05:56 and sunset at 18:08 WAT.

Sunshine

The average sunshine in December is 9.7h.

UV index

The months with the highest UV index in Okoyo are January through August, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in December transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in December in Okoyo?

In Okoyo, in December, the average high-temperature is 31.5°C (88.7°F), and the average low-temperature is 22.3°C (72.1°F). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in December is calculated to be 40°C (104°F).

What is the average humidity in December in Okoyo?

The average relative humidity in December in Okoyo is 74%.

How many days does it rain in December in Okoyo?

In Okoyo, Congo, in December, it is raining for 24 days, with typically 108mm (4.25") of accumulated precipitation.

When are the longest days in Okoyo?

December has the longest days of the year in Okoyo, Congo, with an average of 12h and 13min of daylight.

What is the average length of the day in December in Okoyo?

The average day length in December is 12h and 13min.

When are sunrise and sunset in December in Okoyo?

On the first day of December in Okoyo, Congo, sunrise is at 05:42 and sunset at 17:54. On the last day of the month, sunrise is at 05:56 and sunset at 18:08 WAT.

How many hours of sunshine does Okoyo have in December?

The average sunshine duration in December is 9.7h.

What is the month with the highest UV index in Okoyo?

January through August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Okoyo, Congo.

What is the UV index reading in December in Okoyo?

In Okoyo, the average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Okoyo, Congo

Average temperature in December - Okoyo, Congo
  • Average high temperature in December: 31.5°C

The warmest month (with the highest average high temperature) is July (33.3°C).
The month with the lowest average high temperature is November (30°C).

  • Average low temperature in December: 22.3°C

The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is November (22.1°C).

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Average pressure in December
Okoyo, Congo

Average pressure in December - Okoyo, Congo
  • Average pressure in December: 1010.2mbar

The month with the highest atmospheric pressure is June (1012.1mbar).
The month with the lowest atmospheric pressure is February (1009.3mbar).

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Average wind speed in December
Okoyo, Congo

Average wind speed in December - Okoyo, Congo
  • Average wind speed in December: 5.3km/h

The windiest month (with the highest average wind speed) is August (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.1km/h).

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Average humidity in December
Okoyo, Congo

Average humidity in December - Okoyo, Congo
  • Average humidity in December: 74%

The months with the highest relative humidity are October and November (81%).
The month with the lowest relative humidity is July (57%).

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Average rainfall in December
Okoyo, Congo

Average rainfall in December - Okoyo, Congo
  • Average rainfall in December: 108mm

The wettest month (with the highest rainfall) is October (216mm).
The driest month (with the least rainfall) is July (21mm).

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Average rainfall days in December
Okoyo, Congo

Average rainfall days in December - Okoyo, Congo
  • Average rainfall days in December: 24 days

The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is July (13.2 days).

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Average daylight in December /
Average sunshine in December
Okoyo, Congo

Average daylight in December / Average sunshine in December - Okoyo, Congo
  • Average daylight in December: 12h and 13min

The month with the longest days is December (Average daylight: 12h and 13min).
The month with the shortest days is June (Average daylight: 12h and 2min).

  • Average sunshine in December: 9h and 42min

The month with the most sunshine is January (Average sunshine: 10h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).

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Average sunshine days in December
Okoyo, Congo

Average sunshine days in December - Okoyo, Congo
  • Average sunshine days in December: 4.9 days

The month with the most sunshine days is July (15.9 days).
The month with the least sunshine days is October (0.4 days).

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Average UV index in December
Okoyo, Congo

Average UV index in December - Okoyo, Congo
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
The month with the lowest UV index is September (UV index 6).

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Average cloud cover in December
Okoyo, Congo

Average cloud cover in December - Okoyo, Congo
  • Average cloud cover in December: 36

The month with the most cloud cover is October (Cloud cover 47).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in December
Okoyo, Congo

Average visibility in December - Okoyo, Congo
  • Average visibility in December: 9km

The months with the highest visibility are February, June, July and August (10km).
The months with the lowest visibility are October and November (8km).

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