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December Weather in Honiara, Solomon Islands

Last updated: August 31, 2025

In Honiara, Solomon Islands, the average temperature in December reaches a pleasant 25°C (78°F). Expect minimums around 23°C (74°F) and maximums of 29°C (84°F), providing a comfortable climate. However, be prepared for a fair amount of rain, with 443 mm (17.4 in) of precipitation over the 30 days. The average humidity level of 78% ensures a tropical feel throughout this vibrant month.

December Temperature in Honiara

In December in Honiara, the average temperature is 25°C (78°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 23°C (74°F). This pleasant climate makes Honiara an ideal destination for travelers looking to enjoy mild and comfortable weather.

December Weather in Honiara: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Honiara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honiara, December typically has an average temperature of 25°C (78°F), with highs reaching up to 29°C (84°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777777777777777777777
Data source: Temperature data for Honiara generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Honiara

In Honiara in December, the precipitation amount is 443 mm (17.4 in) over a span of 30 days.

December Precipitation Trends in Honiara

The chart displays monthly precipitation patterns in Honiara, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Honiara, December typically receives around 443 mm (17.4 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec352422420376278212267232318301377443
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Honiara

In Honiara in December humidity is 78%. With an average temperature of 25°C (78°F), this humidity feels like walking through a warm, thick blanket, making every step feel heavier and the air noticeably sticky, which can be quite challenging for traveling.

December Average Humidity in Honiara

This chart illustrates the average monthly humidity levels in Honiara, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Honiara is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%76%76%77%76%80%83%83%83%84%81%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Honiara

In Honiara in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Honiara.

Maximum UV Index Levels in Honiara for December

The chart shows the monthly maximum UV Index (UVI) for Honiara in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Honiara typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616151210121415151515
Data source: Honiara December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Honiara Compares to Other Months

Weather in Honiara varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Honiara, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Honiara, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)352 mm (13.9 inches)78%extreme
February Weather25°C (78°F)422 mm (16.6 inches)76%extreme
March Weather25°C (78°F)420 mm (16.5 inches)76%extreme
April Weather25°C (77°F)376 mm (14.8 inches)76%extreme
May Weather25°C (78°F)278 mm (10.9 inches)76%extreme
June Weather25°C (77°F)212 mm (8.4 inches)80%very high
July Weather25°C (77°F)267 mm (10.5 inches)83%extreme
August Weather25°C (77°F)232 mm (9.1 inches)83%extreme
September Weather25°C (77°F)318 mm (12.5 inches)83%extreme
October Weather25°C (77°F)301 mm (11.8 inches)84%extreme
November Weather25°C (77°F)377 mm (14.8 inches)81%extreme
December Weather25°C (78°F)443 mm (17.4 inches)78%extreme

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