January weather forecast
Solomon Islands

January in the Solomon Islands marks the height of the wet season. This month is typically characterized by some of the highest rainfall levels of the year, with an average precipitation of 300mm (11.81") to 350mm (13.78") across most of the islands. Some western regions, influenced by orographic rainfall, can experience even higher amounts, up to 400mm (15.75").

In terms of temperature, January is one of the warmest months, with average highs reaching 32°C (89.6°F). The minimum temperatures do not fall significantly, usually staying around 24°C (75.2°F), contributing to a consistently warm and humid environment.

The capital city, Honiara, located on the island of Guadalcanal, largely mirrors the general weather patterns of the country in January. With its coastal location, Honiara can also experience tropical cyclones during this period, though the frequency and intensity vary from year to year.

Comparatively, January is warmer and wetter than the preceding month of December and the following month of February. While February also falls within the wet season, the rainfall tends to decrease slightly, and temperatures may drop by a degree or two. Despite the high humidity and increased chance of rain, January remains a vibrant month in the Solomon Islands, with the lush landscapes flourishing under the tropical rainfall.

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• Honiara - January »
  The months with the highest humidity in Honiara are January, March and April, with an average relative humidity of 85%. Honiara registers an average high-temperature of a still warm 28.8°C (83.8°F) at the commencement of January, closely related to the preceding month.
• Gizo - January »
  The month with the most rainfall in Gizo is January, when the rain falls for 22 days and typically aggregates up to 396mm (15.59") of precipitation. Gizo experiences peak temperatures, averaging a high-temperature of 31°C (87.8°F) during January through April, September through December.
• Auki - January »
  During January and December, Auki experiences its peak temperatures, averaging a high-temperature of 30°C (86°F). In Auki during January, the rain falls for 22 days and regularly aggregates up to 376mm (14.8") of precipitation.
• Buala - January »
  January through March, October and December, with an average maximum UV index of 6, are months with the lowest UV index in Buala, Solomon Islands. The months with the lowest humidity in Buala are January through March, November and December, with an average relative humidity of 79%.
• Munda - January »
  January through April, July, August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Munda, Solomon Islands. The months with the warmest seawater in Munda are January through April and December, with an average sea temperature of 30°C (86°F).
• Noro - January »
  The months with the lowest humidity in Noro are January and December, with an average relative humidity of 76%. In Noro during January, the rain falls for 27.5 days and regularly aggregates up to 226mm (8.9") of precipitation.
• Rennell Island - January »
  January and February, with an average sea temperature of 30°C (86°F), are months with the warmest seawater in Rennell Island, Solomon Islands. The months with the least sunshine in Rennell Island, Solomon Islands, are January through July, September and December, with an average of 6h of sunshine.
• Seghe - January »
  January through April and December, with an average sea temperature of 30°C (86°F), are months with the warmest seawater in Seghe, Solomon Islands. The months with the highest UV index in Seghe are January through April, July, August, October through December, with an average maximum UV index of 7.
• Aola - January »
  The months with the highest humidity in Aola are January, March and April, with an average relative humidity of 85%. In Aola, Solomon Islands, during January, the rain falls for 29.3 days and regularly aggregates up to 274mm (10.79") of precipitation.
• Tulagi Island - January »
  On the last day of January, in Tulagi Island, sunrise is at 06:17 and sunset at 18:47 +11. When is the sunrise / sunset in January in Tulagi Island?
• Poroporo - January »
  The months with the warmest seawater in Poroporo are January through April, November and December, with an average sea temperature of 30°C (86°F). The months with the highest UV index in Poroporo are January through April, August through December, with an average maximum UV index of 12.
• Yandina - January »
  The warmest period in Yandina is usually observed in January through May, August, November and December, with the average high-temperature peaking at 31°C (87.8°F). January sees consistent high temperatures averaging at 31°C (87.8°F) in Yandina, Solomon Islands.