August weather forecast
Honiara, Solomon Islands

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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

Weather in August

The trend of decreasing temperatures continues through August in Honiara. A slight increase in rainfall to 135mm (5.31") from July is observed, indicating a shift towards the second rainy season. The sea temperature remains almost constant, appealing to brave-hearted swimmers and divers. The increased wind conditions from July prevail, offering opportunities for windsurfing and sailing. The city lights come on earlier as the daylight hours reduce, setting the stage for a vibrant nightlife.

Temperature

August's commencement is accompanied by an average high-temperature of a still moderately hot 28.4°C (83.1°F), diverging marginally from July's 27.8°C (82°F). Honiara notes a consistent average low-temperature of 23.4°C (74.1°F) during August nights.

Heat index

August's mean heat index is computed to be a hot 34°C (93.2°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

August through November, with an average relative humidity of 83%, are the least humid months.

Rainfall

In Honiara, in August, it is raining for 24.3 days, with typically 135mm (5.31") of accumulated precipitation. Throughout the year, there are 327.8 rainfall days, and 2474mm (97.4") of precipitation is accumulated.

Sea temperature

The month with the coldest seawater is August, with an average sea temperature of 28.6°C (83.5°F).
Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

In Honiara, the average length of the day in August is 11h and 49min.
On the first day of the month, sunrise is at 06:35 and sunset at 18:17. On the last day of August, sunrise is at 06:22 and sunset at 18:18 +11.

Sunshine

The average sunshine in August is 7.6h.

UV index

The months with the lowest UV index are January through March, June, August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.

Frequently asked questions

How hot is August?

In Honiara, 28.4°C (83.1°F) is the average high-temperature and 23.4°C (74.1°F) is the average low-temperature during August. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 34°C (93.2°F).

What are the least humid months?

August through November, with an average relative humidity of 83%, are the least humid months.

What is the average humidity in August?

The average relative humidity in August is 83%.

How many days does it rain in August?

In Honiara, Solomon Islands, in August, it is raining for 24.3 days, with typically 135mm (5.31") of accumulated precipitation.

When is the sea coldest?

August is the month with the coldest seawater, with an average sea temperature of 28.6°C (83.5°F).

How warm is the water in August?

In Honiara, Solomon Islands, the average seawater temperature in August is 28.6°C (83.5°F). 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.

How many hours of daylight does Honiara have in August?

The average day length in August in Honiara is 11h and 49min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 06:35 and sunset at 18:17. On the last day of the month, sunrise is at 06:22 and sunset at 18:18 +11.

How long on average sun shines in August?

In Honiara, the average sunshine duration in August is 7.6h.

What is the month with the lowest UV index?

January through March, June, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index.

What is the UV index reading in August?

In Honiara, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in August
Honiara, Solomon Islands

Average temperature in August - Honiara, Solomon Islands
  • Average high temperature in August: 28.4°C

The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is July (27.8°C).

  • Average low temperature in August: 23.4°C

The month with the highest average low temperature is January (24.2°C).
The coldest months (with the lowest average low temperature) are August and September (23.4°C).

Average pressure in August
Honiara, Solomon Islands

Average pressure in August - Honiara, Solomon Islands
  • Average pressure in August: 1010.5mbar

The month with the highest atmospheric pressure is August (1010.5mbar).
The month with the lowest atmospheric pressure is January (1006.9mbar).

Average wind speed in August
Honiara, Solomon Islands

Average wind speed in August - Honiara, Solomon Islands
  • Average wind speed in August: 10.3km/h

The windiest month (with the highest average wind speed) is July (11.3km/h).
The calmest month (with the lowest average wind speed) is December (6km/h).

Average humidity in August
Honiara, Solomon Islands

Average humidity in August - Honiara, Solomon Islands
  • Average humidity in August: 83%

The months with the highest relative humidity are January, March and April (85%).
The months with the lowest relative humidity are August, September, October and November (83%).

Average rainfall in August
Honiara, Solomon Islands

Average rainfall in August - Honiara, Solomon Islands
  • Average rainfall in August: 135mm

The wettest months (with the highest rainfall) are March and December (299mm).
The driest month (with the least rainfall) is June (125mm).

Average rainfall days in August
Honiara, Solomon Islands

Average rainfall days in August - Honiara, Solomon Islands
  • Average rainfall days in August: 24.3 days

The months with the highest number of rainy days are January, March and December (29.3 days).
The month with the least rainy days is August (24.3 days).

Average sea temperature in August
Honiara, Solomon Islands

Average sea temperature in August - Honiara, Solomon Islands
  • Average sea temperature in August: 28.6°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 August /
Average sunshine in August
Honiara, Solomon Islands

Average daylight in August / Average sunshine in August - Honiara, Solomon Islands
  • Average daylight in August: 11h and 5min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in August: 7h and 4min

The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

Average sunshine days in August
Honiara, Solomon Islands

Average sunshine days in August - Honiara, Solomon Islands
  • Average sunshine days in August: 4 days

The month with the most sunshine days is August (4 days).
The month with the least sunshine days is January (0.3 days).

Average UV index in August
Honiara, Solomon Islands

Average UV index in August - Honiara, Solomon Islands
  • Average UV index in August: 6

The months with the highest UV index are April, May, July and September (UV index 7).
The months with the lowest UV index are January, February, March, June, August, October, November and December (UV index 6).

Average cloud cover in August
Honiara, Solomon Islands

Average cloud cover in August - Honiara, Solomon Islands
  • Average cloud cover in August: 45

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 41).

Average visibility in August
Honiara, Solomon Islands

Average visibility in August - Honiara, Solomon Islands
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

Honiara, Solomon Islands

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