Honiara Weather in December
In Honiara, December brings high daytime temperatures around 29°C (84°F), with nights cooling to 24°C (75°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Honiara in December
As part of the rainy season, Honiara sees around 19 days of rain in December, with an average of 334 mm (13 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Honiara in December
December in Honiara brings typical temperatures with highs around 29°C (84°F) and lows of 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Honiara in December
The month experiences a moderate amount of sunlight, with 166 hours of sunshine. This provides a nice balance between sunshine and rain.
Average water temperature in December
At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and August typically offer the best weather for Honiara.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.
Honiara Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Water Temperature
29°C (84°F)
Chance of Rain
62%
Precipitation
334 mm (13 in)
Rainy days
19 days
Humidity
77%
Sunshine
166 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Honiara typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Honiara in December
Browse day-by-day weather records for Honiara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Honiara historical weather extremes in December
The extremes listed below come from historical weather data collected in Honiara from 2006 through 2025.
- The warmest day in December was on December 31, 2017, with a maximum of 39°C (102°F).
- Honiara experienced its chilliest December day on December 30, 2012, reaching only 26°C (79°F).
- Honiara registered its coldest December night on December 26, 2019, with temperatures dropping to 21°C (70°F).
- Peak precipitation in December occurred on December 17, 2011, when 170 mm (6.7 in) of precipitation was measured.
Best Places in Solomon Islands in December
Find out more about the weather in Solomon Islands and which places have the best travel conditions in this month. See all of Solomon Islands in December →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Honiara in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Honiara in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Honiara climate overview or explore weather in Solomon Islands.
