December weather forecast
Ngongosila, Solomon Islands

December

Weather in December

Wrapping up the year, December presents a further increase in rainfall to 281mm (11.06"), while daylight hours remain fairly consistent at 12.6 hours, similar to the initial months of the year. Weather conditions in December are characterized by a higher rate of precipitation without affecting the vibrant island atmosphere. Mirroring January's weather conditions, December concludes the year with a climatic full circle, maintaining a steady, tropical climate. Despite increased rainfall and humidity, the region's temperatures persist at a pleasant scale, marking the end of the year with familiar weather patterns. To sum up, December is marked by increased precipitation and steadfastly warm temperatures rounding off a year of dynamic weather patterns.

Temperature

With the onset of December, the average high-temperature stands at a still warm 28.5°C (83.3°F), in line with the previous month's conditions. The low temperature average during December reflects a slight decrease to a still moderately hot 26.1°C (79°F) from the day's peak.

Heat index

December's mean heat index is calculated to be a hot 33°C (91.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The months with the lowest humidity in Ngongosila are January through March, November and December, with an average relative humidity of 79%.

Rainfall

In Ngongosila, in December, it is raining for 29.3 days, with typically 281mm (11.06") of accumulated precipitation. Throughout the year, in Ngongosila, there are 329.1 rainfall days, and 2481mm (97.68") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:47 and sunset at 18:23. On the last day of December, sunrise is at 06:00 and sunset at 18:38 +11.

Sunshine

In December, the average sunshine in Ngongosila is 9.6h.

UV index

January through March, October and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in December transforms into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

How hot is it in December?
December temperatures vary between a high-temperature of 28.5°C (83.3°F) and a low-temperature of 26.1°C (79°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is calculated to be 33°C (91.4°F).
What are the least humid months?
The months with the lowest humidity are January through March, November and December, with an average relative humidity of 79%.
What is the average humidity in December?
In Ngongosila, the average relative humidity in December is 79%.
How many days does it rain in December?
In Ngongosila, in December, it is raining for 29.3 days, with typically 281mm (11.06") of accumulated precipitation.
When are the longest days?
December has the longest days of the year in Ngongosila, Solomon Islands, with an average of 12h and 36min of daylight.
What is the average length of the day in December?
In December, the average day length is 12h and 38min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:47 and sunset at 18:23. On the last day of the month, sunrise is at 06:00 and sunset at 18:38 +11.
How long on average sun shines in December?
In Ngongosila, the average sunshine duration in December is 9.6h.
What is the month with the lowest UV index?
January through March, October and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in December?
The average daily maximum UV index in December in Ngongosila is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Ngongosila, Solomon Islands
  • Average high temperature in December: 28.5°C

The warmest months (with the highest average high temperature) are April and May (28.8°C).
The month with the lowest average high temperature is August (27.9°C).

  • Average low temperature in December: 26.1°C

The month with the highest average low temperature is May (26.6°C).
The coldest months (with the lowest average low temperature) are August and September (25.8°C).

Average pressure in December
Ngongosila, Solomon Islands
  • Average pressure in December: 1007.2mbar

The month with the highest atmospheric pressure is August (1010.4mbar).
The month with the lowest atmospheric pressure is January (1006.9mbar).

Average wind speed in December
Ngongosila, Solomon Islands
  • Average wind speed in December: 8.4km/h

The windiest month (with the highest average wind speed) is July (16.2km/h).
The calmest month (with the lowest average wind speed) is December (8.4km/h).

Average humidity in December
Ngongosila, Solomon Islands
  • Average humidity in December: 79%

The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January, February, March, November and December (79%).

Average rainfall in December
Ngongosila, Solomon Islands
  • Average rainfall in December: 281mm

The wettest month (with the highest rainfall) is March (305mm).
The driest month (with the least rainfall) is August (118mm).

Average rainfall days in December
Ngongosila, Solomon Islands
  • Average rainfall days in December: 29.3 days

The month with the highest number of rainy days is March (29.5 days).
The month with the least rainy days is August (24 days).

Average daylight in December /
Average sunshine in December
Ngongosila, Solomon Islands
  • Average daylight in December: 12h and 4min

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

  • Average sunshine in December: 9h and 4min

The month with the most sunshine is November (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).

Average sunshine days in December
Ngongosila, Solomon Islands
  • Average sunshine days in December: 0.5 days

The month with the most sunshine days is August (3.8 days).
The months with the least sunshine days are January, March and December (0.5 days).

Average UV index in December
Ngongosila, Solomon Islands
  • Average UV index in December: 6

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

Average cloud cover in December
Ngongosila, Solomon Islands
  • Average cloud cover in December: 43

The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 40).

Average visibility in December
Ngongosila, Solomon Islands
  • Average visibility in December: 9km

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

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