December weather forecastHarper, Liberia

December

Weather in December

December brings about the conclusion of the year with a welcome decline in rainfall levels in Harper, Liberia. There is a noticeable reduction in rainfall, reaching a record low of 124mm (4.88"), marking the onset of the dry season. However, the warm temperature trend continues to prevail, mitigating any significant weather fluctuation. The UV index, while dropping to 11, still necessitates adequate sun protection throughout daylight hours. Thus, the year ends with the weather shifting towards a drier phase, all while maintaining its characteristic warmth and tropical appeal.

Temperature

The average high-temperature in December, a still warm 29°C (84.2°F), mirrors the temperature recorded in November. The nights of December anticipate an average low-temperature of 22°C (71.6°F).

Rainfall

In Harper, in December, it is raining for 10 days, with typically 124mm (4.88") of accumulated precipitation. Throughout the year, there are 174 rainfall days, and 2304mm (90.71") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 28.4°C (83.1°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year in Harper.
On the first day of December, sunrise is at 06:23 and sunset at 18:16. On the last day of the month, sunrise is at 06:37 and sunset at 18:30 GMT.

Sunshine

The average sunshine in December is 6h.

UV index

June, July and December, with an average maximum UV index of 11, are months with the lowest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 11 leads to the following instructions:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Broad-spectrum sunscreen with an SPF of 30 or above should be applied generously and reapplied every two hours and right after any outdoor activity or swim. Caution! The mirror effect of sand and water ups the UV radiation strength.

Frequently asked questions

December temperatures vary between a high-temperature of 29°C (84.2°F) and a low-temperature of 22°C (71.6°F).

In December, the rain falls for 10 days. Throughout December, 124mm (4.88") of precipitation is accumulated.

In December, the average sea temperature is 28.4°C (83.1°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

December has the shortest days of the year, with an average of 11h and 54min of daylight.

In Harper, the average day length in December is 11h and 53min.

On the first day of December, sunrise is at 06:23 and sunset at 18:16. On the last day of the month, sunrise is at 06:37 and sunset at 18:30 GMT.

In Harper, the average sunshine duration in December is 6h.

June, July and December, with an average maximum UV index of 11, are months with the lowest UV index.

The average daily maximum UV index in December is 11. A UV Index reading of 11, and higher, represents an extreme health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average UV index

Average temperature in December
Harper, Liberia

  • Average high temperature in December: 29°C

The warmest months (with the highest average high temperature) are March and April (31°C).
The month with the lowest average high temperature is August (26°C).

  • Average low temperature in December: 22°C

The months with the highest average low temperature are February, March, April, May, June, July, August, September, October, November and December (22°C).
The coldest month (with the lowest average low temperature) is January (21°C).

Average rainfall in December
Harper, Liberia

  • Average rainfall in December: 124mm

The wettest month (with the highest rainfall) is June (419mm).
The driest month (with the least rainfall) is January (60mm).

Average rainfall days in December
Harper, Liberia

  • Average rainfall days in December: 10 days

The months with the highest number of rainy days are June and September (22 days).
The months with the least rainy days are January and February (5 days).

Average sea temperature in December
Harper, Liberia

  • Average sea temperature in December: 28.4°C

The best month for swimming (with the highest average sea temperature) is April (29.2°C).
The coldest month (with the lowest average sea temperature) is August (25.8°C).

Average daylight in December /
Average sunshine in December
Harper, Liberia

  • Average daylight in December: 11h and 54min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in December: 6h

The months with the most sunshine are February, April and November (Average sunshine: 7h).
The months with the least sunshine are June, July, August and September (Average sunshine: 3h).

Average UV index in December
Harper, Liberia

  • Average UV index in December: 11

The months with the highest UV index are January, February, March, April, May, August, September, October and November (UV index 12).
The months with the lowest UV index are June, July and December (UV index 11).