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Guadalcanal Island in October 2026: weather, temperatures and activities

Do you want to visit Guadalcanal Island in October 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether October is a good month to travel to Guadalcanal Island, Solomon Islands.

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Is it worth visiting Guadalcanal Island in October?

Check your ideal travel criteria and see if the month of October suits your plans to go to Guadalcanal Island.
What matters most?
Guadalcanal Island in October 2026: weather, temperatures and activities

Page summary

Guadalcanal Island in October in summary
Adverse weather
Min 27°C Max 30°C 448 mm 21 day(s) 84% 44% 30°C UV 6 11.5 h/day
Possible activities in October
Beach and swimmingAnimal observationDiving and snorkelingWatersportsNature and landscapesBoat trip and cruise
Practical guidelines
High crowding 05:56 18:14
Hourly weather

Average weather in Guadalcanal Island in October 2026

Adverse weather

The weather in Guadalcanal Island in October 2026 is based on statistical data from previous years in October. This allows you to forecast the weather in October 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Guadalcanal Island in October

Temperatures, precipitation and monthly trends help to better understand the climate in Guadalcanal Island in October.

Temperatures and rain in Guadalcanal Island in October

Average daily weather

Temperatures and rain day by day in October.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of October is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Guadalcanal Island in October

Seasonal normals

Seasonal normals of Guadalcanal Island in October

Check the seasonal normals in Guadalcanal Island in October and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
October
Weather data September October November
Outside temperature
Average temperature 28.1°C 28.3°C 28.6°C
Maximum temperature 29.8°C 30.0°C 30.2°C
Minimum temperature 26.4°C 26.7°C 26.9°C
Record maximum temperature 34.0°C
(2021)
34.0°C
(2021)
34.0°C
(2021)
Record low temperature 23.0°C
(2015)
24.0°C
(2010)
24.0°C
(2011)
Number of days at +30° 19 day(s)
(63%)
20 day(s)
(65%)
21 day(s)
(70%)
Number of days at +18° 30 day(s)
(100%)
31 day(s)
(100%)
30 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 28.7°C 29.2°C 29.6°C
Sea temperature (minimum) 27.7°C 28.2°C 28.9°C
Sea temperature (maximum) 30.0°C 30.2°C 30.6°C
Wind
Wind speed 12 km/h 10 km/h 9 km/h
Wind temperature 26.4°C 26.7°C 27.0°C
Precipitation (rain)
Precipitation 353.9 mm 448.4 mm 507.2 mm
Number of days with precipitation 27 day(s)
(90%)
29 day(s)
(94%)
29 day(s)
(97%)
Number of days with significant precipitation (greater than 5 mm) 19 day(s)
(62%)
21 day(s)
(67%)
23 day(s)
(77%)
Record precipitation in one day 129.5 mm
(2019)
91.4 mm
(2019)
87.8 mm
(2016)
Other weather data
Humidity 84% 84% 83%
Visibility 8.8 km 8.6 km 8.5 km
Cloud cover 43% 44% 43%
UV index 6 6 6
Daily sunshine 10h 11h 12h
Sunrise and sunset
Sunrise time 06h13 05h56 05h48
Sunset time 18h16 18h14 18h20
Day length 12h03 12h18 12h32
Our opinion on the climate in October
The review of Where And When fair weather adverse weather very bad weather
Activities and events

What to do in Guadalcanal Island in October?

Possible activities in October
Beach and swimmingAnimal observationDiving and snorkelingWatersportsNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Guadalcanal Island in October last?

Find the observed weather calendar in Guadalcanal Island in October 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
25°C30°C0.6 mm
2
Patchy rain nearby
24°C30°C0.3 mm
3
Clear/Sunny
24°C31°C0.1 mm
4
Light rain shower
25°C29°C7.6 mm
5
Patchy rain nearby
25°C27°C4.8 mm
6
Clear/Sunny
24°C30°C0.0 mm
7
Clear/Sunny
24°C31°C0.1 mm
8
Patchy rain nearby
24°C31°C0.2 mm
9
Patchy rain nearby
25°C31°C0.1 mm
10
Patchy rain nearby
25°C32°C1.0 mm
11
Patchy rain nearby
25°C28°C3.9 mm
12
Light rain shower
24°C27°C6.5 mm
13
Patchy rain nearby
24°C30°C1.4 mm
14
Patchy rain nearby
24°C29°C1.4 mm
15
Light rain shower
24°C29°C4.5 mm
16
Patchy rain nearby
25°C29°C1.4 mm
17
Light rain shower
25°C28°C8.1 mm
18
Light rain shower
25°C29°C2.4 mm
19
Light rain shower
25°C29°C2.3 mm
20
Light rain shower
24°C29°C1.1 mm
21
Partly Cloudy
25°C29°C1.0 mm
22
Light rain shower
25°C30°C1.9 mm
23
Patchy rain nearby
25°C30°C1.8 mm
24
Patchy rain nearby
25°C31°C0.4 mm
25
Patchy light rain
24°C30°C1.5 mm
26
Patchy rain nearby
25°C31°C0.4 mm
27
Patchy rain nearby
25°C30°C1.0 mm
28
Patchy rain nearby
25°C31°C1.7 mm
29
Patchy rain nearby
25°C31°C1.5 mm
30
Partly Cloudy
25°C31°C0.4 mm
31
Patchy rain nearby
25°C31°C0.2 mm
Nearby

Where to go near Guadalcanal Island in October?

Compare cities and destinations near Guadalcanal Island in October to find another travel stop, a nearby alternative or a logical continuation of your stay in Guadalcanal Island.

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Every month

Best time to visit Guadalcanal Island month by month

Compare the weather in Guadalcanal Island across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Guadalcanal Island in October: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Not really. The weather conditions are unfavorable in Guadalcanal Island in October, which places this month 7th out of 12. A trip is still possible, but plan a flexible itinerary.

Expect an average of 30°C during the day and 27°C at night, with about 448 mm of precipitation spread over 21 rainy days.

Yes: the sea is 29°C on average in October, a pleasant temperature for swimming.

Expect about 11.5 hours of sunshine per day on average for this month.

No activity stands out as ideal this month, but conditions remain acceptable for Beach and swimming, Animal observation, Diving and snorkeling and Watersports.

Visitor numbers are moderate: this month is in High crowding, with an index of 68/100. It is often a good compromise between weather and tranquility.
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