Monthly weather forecast and climate
Honiara, Solomon Islands

A tropical white sand beach in Honiara, in the glorious Solomon Islands, with palm trees and shrubs along the edge
A tropical white sand beach in Honiara, in the glorious Solomon Islands, with palm trees and shrubs along the edge

What are the warmest months in Honiara?

January, February, April, May, October through December, with an average high-temperature of 31°C (87.8°F), are warmest months.

How many days does it rain in Honiara?

Throughout the year, there are 196 rainfall days, and 2171mm (85.5") of precipitation is accumulated.

What are the months with the highest UV index in Honiara?

January through April, August through December, with an average UV index of 12, are months with the highest UV index.

What is the rainiest month in Honiara?

March is the month with the most rainfall. Rain falls for 22 days and accumulates 358mm (14.1") of precipitation.

What month is the sea warmest in Honiara?

April is the month with the warmest seawater in Honiara, with an average sea temperature of 30.3°C (86.5°F). The water temperature above 30°C (86°F) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

What is the month with the lowest UV index in Honiara?

The month with the lowest UV index is June, with an average UV index of 9.

What are the coldest months in Honiara?

The coldest months are July and August, with an average high-temperature of 29°C (84.2°F).

What is the driest month in Honiara?

The month with the least rainfall is August when the rain falls for 13 days and typically collects 91mm (3.6") of precipitation.

What is the month with the coldest sea water in Honiara?

With an average sea temperature of 28.6°C (83.5°F), August is the month with the coldest seawater. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature - Honiara, Solomon Islands

Warmest months (with the highest average high temperature) are January, February, April, May, October, November and December (31°C).
Months with the lowest average high temperature are July and August (29°C).

Months with the highest average low temperature are January, February, March, April, May, October, November and December (23°C).
Coldest months (with the lowest average low temperature) are June, July, August and September (22°C).

Average rainfall - Honiara, Solomon Islands
Average rainfall days - Honiara, Solomon Islands

The month with the highest number of rainy days is March (22 days).
Months with the lowest number of rainy days are June and August (13 days).

Average sea temperature - Honiara, Solomon Islands

The best month for swimming (with the highest average sea temperature) is April (30.3°C).
The coldest month (with the lowest average sea temperature) is August (28.6°C).

Average daylight / Average sunshine - Honiara, Solomon Islands

The month with the longest days is December (Average daylight: 12.7h).
Months with shortest days are June and July (Average daylight: 11.6h).

Months with most sunshine are January, March, April, May, June, August, September, October, November and December (Average sunshine: 6h).
Months with least sunshine are February and July (Average sunshine: 5).

Average UV index - Honiara, Solomon Islands

Months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 9).

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