Honiara Weather in January

January in Honiara typically sees daytime highs of 29°C (84°F) and nighttime lows of 25°C (77°F). January falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Honiara in January

Honiara is in the rainy season in January, with rain on around 19 days and an average of 369 mm (15 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 January

Honiara in January gets highs of 29°C (84°F) during the day and drops to 25°C (77°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Honiara in January

The month brings about 186 hours of sunlight, offering a comfortable mix of sun and rainy moments.

Average water temperature in January

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.

January in Honiara can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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 January

Min Temperature 25°C (77°F)  

Max Temperature 29°C (84°F)  

Water Temperature 29°C (84°F)  

Chance of Rain 63%  

Precipitation 369 mm (15 in)  

Rainy days 19 days  

Humidity 80%  

Sunshine 186 hours  

Percentage Sunshine  

Daily Historical Temperatures

47-year average (1976-2026)

Based on our historical records, temperatures in Honiara typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in January

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

47-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Honiara in January

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.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Honiara historical weather extremes in January

According to our 19 years of weather records for Honiara, the following extremes were recorded between 2006 and 2025.

• Honiara recorded its highest January temperature of 38°C (100°F) on January 16, 2017.
• The coldest January day was on January 20, 2011, with a maximum of 25°C (77°F).
• The coldest night in January in Honiara was on January 20, 2007, with a minimum of 21°C (70°F).
• Peak precipitation in January occurred on January 30, 2009, when 252 mm (9.9 in) of precipitation was measured.

What to Wear in Honiara in January

Warm temperatures in January 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! Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Honiara in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Solomon Islands, check out our Honiara's climate page.

More climate data for Honiara

Temperature Rainfall Sunshine Humidity Water Temp

See the full Honiara climate overview or explore weather in Solomon Islands.