January weather forecast
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

Weather in January

January, like December, in Honiara, Solomon Islands, is a moderately hot summer month, with average temperature varying between 28.8°C (83.8°F) and 24.2°C (75.6°F).

Temperature

In January, the average high-temperature is almost the same as in December - a still moderately hot 28.8°C (83.8°F). In Honiara, Solomon Islands, in January, the average low-temperature is 24.2°C (75.6°F).

Heat index

The average heat index is computed to be a torrid 35.3°C (95.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, differences in body mass, height, and shape), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

January, March and April, with an average relative humidity of 85%, are most humid months.

Rainfall

In January, in Honiara, the rain falls for 29.3 days. Throughout January, 274mm (10.79") of precipitation is accumulated. Throughout the year, in Honiara, there are 327.8 rainfall days, and 2474mm (97.4") of precipitation is accumulated.

Sea temperature

In Honiara, in January, the average water 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

The average length of the day in January is 12.6h.

Sunshine

With an average of 6.8h of sunshine, January has the least sunshine of the year in Honiara, Solomon Islands.

UV index

Months with the lowest UV index in Honiara are January through March, June, August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 6 in January interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in January in Honiara?

In January, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 24.2°C (75.6°F). In January, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 35.3°C (95.5°F).

What is the most humid month in Honiara?

Months with the highest humidity in Honiara, Solomon Islands, are January, March and April, with an average relative humidity of 85%.

What is the average humidity in January in Honiara?

The average relative humidity in January is 85%.

How much does it rain in Honiara in January?

In Honiara, Solomon Islands, in January, during 29.3 rainfall days, 274mm (10.79") of precipitation is typically accumulated.

How warm is the water in January in Honiara?

In Honiara, Solomon Islands, the average seawater temperature in January is 30.1°C (86.2°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.

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 least sunshine in Honiara?

The month with the least sunshine in Honiara, Solomon Islands, is January, with an average of 6.8h of sunshine.

How long on average sun shines in January in Honiara?

In January, the average sunshine in Honiara is 6.8h.

When is the lowest UV index in Honiara?

Months with the lowest UV index in Honiara, Solomon Islands, are January through March, June, August, October through December, with an average maximum UV index of 6.

What is the UV index intensity in January in Honiara?

The average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in January
Honiara, Solomon Islands

Average temperature in January - Honiara, Solomon Islands
  • Average high temperature in January: 28.8°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 January: 24.2°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).

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Average pressure in January
Honiara, Solomon Islands

Average pressure in January - Honiara, Solomon Islands
  • Average pressure in January: 1006.9mbar

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

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Average wind speed in January
Honiara, Solomon Islands

Average wind speed in January - Honiara, Solomon Islands
  • Average wind speed in January: 7.4km/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).

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Average humidity in January
Honiara, Solomon Islands

Average humidity in January - Honiara, Solomon Islands
  • Average humidity in January: 85%

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

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Average rainfall in January
Honiara, Solomon Islands

Average rainfall in January - Honiara, Solomon Islands
  • Average rainfall in January: 274mm

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

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Average rainfall days in January
Honiara, Solomon Islands

Average rainfall days in January - Honiara, Solomon Islands
  • Average rainfall days in January: 29.3 days

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).

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Average sea temperature in January
Honiara, Solomon Islands

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).

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Average daylight in January /
Average sunshine in January
Honiara, Solomon Islands

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 the shortest days are June and July (Average daylight: 11.6h).

  • Average sunshine in January: 6.8h

The month with the most sunshine is November (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 6.8h).

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Average sunshine days in January
Honiara, Solomon Islands

Average sunshine days in January - Honiara, Solomon Islands
  • Average sunshine days in January: 0.3 days

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

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Average UV index in January
Honiara, Solomon Islands

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

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

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Average cloud cover in January
Honiara, Solomon Islands

Average cloud cover in January - Honiara, Solomon Islands
  • Average cloud cover in January: 51

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

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Average visibility in January
Honiara, Solomon Islands

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

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

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