Guadalcanal Province weather

Our guide to the weather in Guadalcanal Province during December

30

Average high

6

UV Index

571mm

Monthly rainfall

83%

Humidity

We've looked at the most up-to-date weather data for Guadalcanal Province, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Guadalcanal Province weather in December.

How warm is it in Guadalcanal Province during December?

Expect heat in Guadalcanal Province during December. The temperature hits about 30℃ during the day, falling away to a balmy 25℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Guadalcanal Province during December?

On average, there will be 21 rainy days during the month, amounting to 570.9mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.

Is it windy in Guadalcanal Province during December?

No - there is very light air movement in December so conditions should be calm with light breezes at times.

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Weather in Guadalcanal Province

Our month-by-month guide to the weather and climate in Guadalcanal Province

29.7

Guadalcanal Province weather in

January
29.5

Guadalcanal Province weather in

February
29.8

Guadalcanal Province weather in

March
29.8

Guadalcanal Province weather in

April
29.9

Guadalcanal Province weather in

May
29.6

Guadalcanal Province weather in

June
29.2

Guadalcanal Province weather in

July
29.4

Guadalcanal Province weather in

August
29.8

Guadalcanal Province weather in

September
29.9

Guadalcanal Province weather in

October
30.1

Guadalcanal Province weather in

November
29.9

Guadalcanal Province weather in

December