December weather forecast
Koidu, Sierra Leone

December

Weather in December

December in Koidu sees a welcome change to warm and dry conditions. The rainfall dramatically recedes to a mere 7mm (0.28"), marking the reinstatement of the dry season after a long and humid wet season. Although the temperature remains on the lower side, the amount of sunshine increases, making it ideal for outdoor activities. As the month progresses, weather conditions stabilize, thus providing a clear prediction of what can be expected in the upcoming January.

Temperature

Koidu signifies an average high-temperature of a still tropical 31.4°C (88.5°F) in December, closely mirroring the 30.4°C (86.7°F) of November. During December, Koidu notes a substantial drop from the daytime peak to an average minimum temperature of 17.5°C (63.5°F).

Heat index

The average heat index in December is evaluated at a sweltering 35°C (95°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In December, the average relative humidity is 58%.

Rainfall

December is the month with the least rainfall. Rain falls for 3.3 days and accumulates 7mm (0.28") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 36min of daylight.
On the first day of the month, sunrise is at 06:43 and sunset at 18:22. On the last day of December, in Koidu, sunrise is at 06:58 and sunset at 18:36 GMT.

Sunshine

In December, the average sunshine in Koidu is 9.7h.

UV index

In Koidu, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

How hot is December?
In Koidu, 31.4°C (88.5°F) is the average high-temperature and 17.5°C (63.5°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in December is evaluated at 35°C (95°F).
What is the average humidity in December?
In Koidu, the average relative humidity in December is 58%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 3.3 days and accumulates 7mm (0.28") of precipitation.
How much does it rain in December?
In Koidu, Sierra Leone, during December, the rain falls for 3.3 days and regularly aggregates up to 7mm (0.28") of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 36min of daylight.
How many hours of daylight does Koidu have in December?
In December, the average day length is 11h and 38min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 06:43 and sunset at 18:22. On the last day of the month, sunrise is at 06:58 and sunset at 18:36 GMT.
How long on average sun shines in December in Koidu?
In Koidu, the average sunshine duration in December is 9.7h.
How high is the UV index in December?
In Koidu, Sierra Leone, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Koidu, Sierra Leone
Average temperature in December
Koidu, Sierra Leone
  • Average high temperature in December: 31.4°C

The warmest month (with the highest average high temperature) is March (36.1°C).
The month with the lowest average high temperature is August (26.1°C).

  • Average low temperature in December: 17.5°C

The month with the highest average low temperature is April (22.1°C).
The coldest month (with the lowest average low temperature) is December (17.5°C).

Average pressure in December - Koidu, Sierra Leone
Average pressure in December
Koidu, Sierra Leone
  • Average pressure in December: 1011.8mbar

The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is March (1010.6mbar).

Average wind speed in December - Koidu, Sierra Leone
Average wind speed in December
Koidu, Sierra Leone
  • Average wind speed in December: 4.2km/h

The windiest month (with the highest average wind speed) is April (5.5km/h).
The calmest month (with the lowest average wind speed) is November (3.3km/h).

Average humidity in December - Koidu, Sierra Leone
Average humidity in December
Koidu, Sierra Leone
  • Average humidity in December: 58%

The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (49%).

Average rainfall in December - Koidu, Sierra Leone
Average rainfall in December
Koidu, Sierra Leone
  • Average rainfall in December: 7mm

The wettest month (with the highest rainfall) is August (319mm).
The driest month (with the least rainfall) is December (7mm).

Average rainfall days in December - Koidu, Sierra Leone
Average rainfall days in December
Koidu, Sierra Leone
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is August (30.8 days).
The months with the least rainy days are January and December (3.3 days).

Average daylight in December / Average sunshine in December - Koidu, Sierra Leone
Average daylight in December /
Average sunshine in December
Koidu, Sierra Leone
  • Average daylight in December: 11h and 4min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in December: 9h and 4min

The month with the most sunshine is January (Average sunshine: 9h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 0min).

Average sunshine days in December - Koidu, Sierra Leone
Average sunshine days in December
Koidu, Sierra Leone
  • Average sunshine days in December: 25.7 days

The month with the most sunshine days is January (26.1 days).
The month with the least sunshine days is September (0 days).

Average UV index in December - Koidu, Sierra Leone
Average UV index in December
Koidu, Sierra Leone
  • Average UV index in December: 6

The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are June, July, August and October (UV index 5).

Average cloud cover in December - Koidu, Sierra Leone
Average cloud cover in December
Koidu, Sierra Leone
  • Average cloud cover in December: 14

The month with the most cloud cover is August (Cloud cover 87).
The month with the least cloud cover is January (Cloud cover 13).

Average visibility in December - Koidu, Sierra Leone
Average visibility in December
Koidu, Sierra Leone
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are August and September (5km).

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