October weather forecastHoniara, Solomon Islands
October weather forecast for Honiara, Solomon Islands: In October, the average heat index, which combines relative humidity and air temperature, is evaluated at 35°C (95°F). In Honiara, in October, the average water temperature is 29.3°C (84.7°F).

October
Weather in October
October in Honiara experiences a rise in temperature, marking the onset of summer. Persistent rainfall starts to increase again with 210mm (8.27") registered, hinting at the coming wet season. The city experiences more sunshine hours, enriching the tropical charm. Despite the transition to a wetter climate, the sea temperature increases to 29.3°C (84.7°F), making it a popular time for diving and snorkeling. The gusty winds of the previous month start to ease, making the city's weather more accommodating to outdoor activities.Temperature
The shift into October uncovers an average high-temperature of a still warm 28.9°C (84°F), subtly different from the previous month. October nights are marked by an average low-temperature of 23.8°C (74.8°F).Heat index
The heat index value for October is evaluated at a very hot 35°C (95°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
The months with the lowest humidity are August through November, with an average relative humidity of 83%.Rainfall
In Honiara, in October, during 28.2 rainfall days, 210mm (8.27") of precipitation is typically accumulated. In Honiara, during the entire year, the rain falls for 327.8 days and collects up to 2474mm (97.4") of precipitation.Sea temperature
In Honiara, the average seawater temperature in October is 29.3°C (84.7°F).Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.
Daylight
In Honiara, the average length of the day in October is 12h and 19min.On the first day of the month, sunrise is at 06:04 and sunset at 18:15. On the last day of October, in Honiara, sunrise is at 05:50 and sunset at 18:16 +11.
Sunshine
In October, the average sunshine is 8.7h.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. 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 October, a regular UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Honiara, Solomon Islands
- Average high temperature in October: 28.9°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 October: 23.8°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 October
Honiara, Solomon Islands
- Average pressure in October: 1010mbar
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 October
Honiara, Solomon Islands
- Average wind speed in October: 7.7km/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 October
Honiara, Solomon Islands
- Average humidity in October: 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 October
Honiara, Solomon Islands
- Average rainfall in October: 210mm
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 October
Honiara, Solomon Islands
- Average rainfall days in October: 28.2 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 October
Honiara, Solomon Islands
- Average sea temperature in October: 29.3°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 October /
Average sunshine in October
Honiara, Solomon Islands
- Average daylight in October: 12h and 18min
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 October: 8h and 42min
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 October
Honiara, Solomon Islands
- Average sunshine days in October: 1.7 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 October
Honiara, Solomon Islands
- Average UV index in October: 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 October
Honiara, Solomon Islands
- Average cloud cover in October: 46
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 October
Honiara, Solomon Islands
- Average visibility in October: 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).





