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Weather in Guadalcanal for December 2026

Your guide to Guadalcanal weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Guadalcanal at the beginning of December is 29.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.1 °C by the end of December.

  • Rain 🌧️

  • Guadalcanal experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 294.4 mm.

  • More

  • Is December a good time to visit Guadalcanal? check out the best time to travel to Guadalcanal page.

Average dry days
3
Dry days
Average rainy days
28
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/25°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Guadalcanal Weather December

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Temperatures trend during December in Guadalcanal

See the weather trend as well as the moving average line

December weather in Guadalcanal day by day

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Date Weather Temperatures Rain UV More
1 Dec. Light rain
Light rain
29° /25° 9.5 mm 8
2 Dec. Light rain
Light rain
30° /25° 7.6 mm 8
3 Dec. Light rain
Light rain
30° /25° 7 mm 9
4 Dec. Light rain
Light rain
30° /25° 9.1 mm 9
5 Dec. Moderate rain
Moderate rain
29° /25° 10.9 mm 9
6 Dec. Heavy rain
Heavy rain
29° /25° 27.8 mm 9
7 Dec. Moderate rain
Moderate rain
28° /25° 18.9 mm 8
8 Dec. Moderate rain
Moderate rain
29° /25° 11.3 mm 8
9 Dec. Moderate rain
Moderate rain
29° /25° 14.1 mm 8
10 Dec. Moderate rain
Moderate rain
29° /25° 16.5 mm 8
11 Dec. Moderate rain
Moderate rain
29° /24° 11.4 mm 8
12 Dec. Light rain
Light rain
29° /24° 3.5 mm 9
13 Dec. Light rain
Light rain
29° /24° 4 mm 8
14 Dec. Light rain
Light rain
29° /25° 7.5 mm 8
15 Dec. Light rain
Light rain
29° /25° 5.6 mm 8
16 Dec. Light rain
Light rain
29° /25° 8.5 mm 9
17 Dec. Moderate rain
Moderate rain
29° /25° 11.6 mm 8
18 Dec. Light rain
Light rain
29° /24° 8.2 mm 8
19 Dec. Light rain
Light rain
30° /24° 7.1 mm 9
20 Dec. Light rain
Light rain
28° /24° 5.7 mm 8
21 Dec. Moderate rain
Moderate rain
28° /25° 10.1 mm 7
22 Dec. Light rain
Light rain
29° /25° 5.8 mm 9
23 Dec. Light rain
Light rain
30° /26° 9.3 mm 8
24 Dec. Moderate rain
Moderate rain
29° /25° 11.7 mm 7
25 Dec. Light rain
Light rain
29° /25° 7.4 mm 8
26 Dec. Moderate rain
Moderate rain
29° /25° 18.5 mm 7
27 Dec. Light rain
Light rain
29° /25° 7.7 mm 9
28 Dec. Light rain
Light rain
29° /25° 3.5 mm 8
29 Dec. Light rain
Light rain
29° /25° 5.1 mm 7
30 Dec. Light rain
Light rain
29° /25° 5.3 mm 7
31 Dec. Light rain
Light rain
30° /25° 3.8 mm 8
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Important Notice
Our weather forecast for Guadalcanal in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guadalcanal forecast closer to your planned date for the most up-to-date weather information.

Guadalcanal in December - FAQ

What are the expected maximum and minimum temperatures in Guadalcanal during December?

During December, expect a variety of temperatures with highs around 29° and lows near 25°, suitable for diverse activities and preferences.

How much rainfall should be expected in Guadalcanal during December?

Significant rainfall exceeding 294.4 mm is expected in Guadalcanal during December, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Guadalcanal during December?

The average wind speed in Guadalcanal during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Guadalcanal

Explore the daily rainfall trends and prepare for Guadalcanals December weather 💧
Typically, Guadalcanal has 28 rainy days in December with a total of 294.4 mm of rainfall.

UV exposure in Guadalcanal during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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