Honiara
Solomon Islands
Long-term weather forecast
Long-term weather forecast

January 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
January, the same as December, in Honiara, Solomon Islands, is another tropical summer month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 23°C (73.4°F).

Temperature

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

Rainfall

In Honiara, during 19 rainfall days, 274mm (10.8") of precipitation is typically accumulated. Throughout the year, in Honiara, there are 196 rainfall days, and 2171mm (85.5") of precipitation is accumulated.

Sea temperature

In January, the average sea temperature is 30.1°C (86.2°F).
Note: The surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

Daylight

In January, the average length of the day in Honiara is 12.6h.

Sunshine

January, March through June, August through December, with an average of 6h of sunshine, are months with the most sunshine.

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Honiara. A UV Index estimate of 11, and higher, represents an extreme health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in Honiara?

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

What is the temperature in January in Honiara?

The average high-temperature, in January, is 31°C (87.8°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in January in Honiara?

In Honiara, Solomon Islands, in January, during 19 rainfall days, 274mm (10.8") of precipitation is typically accumulated.

How warm is the water in January in Honiara?

In January, the average sea temperature in Honiara is 30.1°C (86.2°F). The surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

How many hours of daylight does Honiara have in January?

In January, the average length of the day in Honiara, Solomon Islands, is 12.6h.

What is the month with the most sunshine in Honiara?

Months with the most sunshine in Honiara are January, March through June, August through December, with an average of 6h of sunshine.

How long on average sun shines in January in Honiara?

In Honiara, the average sunshine in January is 6h.

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

Months with the highest UV index in Honiara are January through April, August through December, with an average maximum UV index of 12.

What is the UV index intensity in January in Honiara?

In January, the average daily maximum UV index in Honiara is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in January - Honiara, Solomon Islands
  • Average high temperature in January: 31°C

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).

  • Average low temperature in January: 23°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 in January - Honiara, Solomon Islands
  • Average rainfall in January: 274mm

The wettest month (with the highest rainfall) is March (358mm).
The driest month (with the lowest rainfall) is August (91mm).

Average rainfall days in January - Honiara, Solomon Islands
  • Average rainfall days in January: 19 days

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 in January - Honiara, Solomon Islands
  • Average sea temperature in January: 30.1°C

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 in January / Average sunshine in January - Honiara, Solomon Islands
  • Average daylight in January: 12.6h

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

  • Average sunshine in January: 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 in January - Honiara, Solomon Islands
  • Average UV index in January: 12

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).