August
Weather in Tonga for August 2025
Your guide to Tonga weather in August - trends and predictions
In general, the average temperature in Tonga at the beginning of August is 22.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 22.1 °C by the end of August.
Tonga experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
Is August a good time to visit Tonga? check out the best time to travel to Tonga page.
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10
Dry days
21
Rainy days
0
Snow days
22°/21°
Temperatures
32 km/h
Avg max wind
75 %
Avg humidity
Tonga in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  22° | 3  23° | ||||
| 4 23° | 5  22° | 6 22° | 7  22° | 8 22° | 9 22° | 10 22° |
| 11 22° | 12 22° | 13 21° | 14 22° | 15 21° | 16 22° | 17 22° |
| 18 23° | 19 24° | 20 23° | 21 23° | 22 22° | 23 22° | 24 21° |
| 25 22° | 26  22° | 27 22° | 28 22° | 29 22° | 30 22° | 31 23° |
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Temperatures trend during August in Tonga
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Partly cloudy | 22° /21° | 0.5 mm | 6 | |
| 2 Aug. | Overcast | 22° /21° | 0.4 mm | 6 | |
| 3 Aug. | Patchy rain possible | 23° /21° | 0.3 mm | 6 | |
| 4 Aug. | Overcast | 23° /21° | 1.9 mm | 6 | |
| 5 Aug. | Moderate or heavy rain shower | 22° /19° | 14.4 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 22° /19° | 19.9 mm | 6 | |
| 7 Aug. | Heavy rain at times | 22° /20° | 2.3 mm | 6 | |
| 8 Aug. | Patchy rain possible | 22° /21° | 1.3 mm | 6 | |
| 9 Aug. | Patchy rain possible | 22° /21° | 1.1 mm | 6 | |
| 10 Aug. | Patchy rain possible | 22° /21° | 0.5 mm | 6 | |
| 11 Aug. | Patchy rain possible | 22° /20° | 2.3 mm | 6 | |
| 12 Aug. | Patchy rain possible | 22° /20° | 2.2 mm | 6 | |
| 13 Aug. | Patchy rain possible | 21° /20° | 0.3 mm | 6 | |
| 14 Aug. | Overcast | 22° /20° | 0.5 mm | 6 | |
| 15 Aug. | Overcast | 21° /19° | 1.5 mm | 6 | |
| 16 Aug. | Moderate or heavy rain shower | 22° /20° | 8.4 mm | 6 | |
| 17 Aug. | Moderate or heavy rain shower | 22° /20° | 29.7 mm | 6 | |
| 18 Aug. | Heavy rain at times | 23° /21° | 7.2 mm | 6 | |
| 19 Aug. | Patchy rain possible | 24° /21° | 7.2 mm | 6 | |
| 20 Aug. | Patchy rain possible | 23° /22° | 1 mm | 6 | |
| 21 Aug. | Patchy rain possible | 23° /21° | 2.1 mm | 6 | |
| 22 Aug. | Overcast | 22° /21° | 0.8 mm | 6 | |
| 23 Aug. | Partly cloudy | 22° /20° | 0.1 mm | 6 | |
| 24 Aug. | Patchy rain possible | 21° /20° | 1 mm | 6 | |
| 25 Aug. | Light rain shower | 22° /20° | 2.9 mm | 6 | |
| 26 Aug. | Cloudy | 22° /20° | 15.2 mm | 6 | |
| 27 Aug. | Cloudy | 22° /21° | 0.4 mm | 6 | |
| 28 Aug. | Patchy rain possible | 22° /21° | 0.4 mm | 6 | |
| 29 Aug. | Patchy rain possible | 22° /21° | 1.1 mm | 6 | |
| 30 Aug. | Light rain shower | 22° /21° | 1.3 mm | 6 | |
| 31 Aug. | Light rain shower | 23° /21° | 7.3 mm | 6 | |
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Important Notice
Our weather forecast for Tonga in August 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 Tonga forecast closer to your planned date for the most up-to-date weather information.
Tonga in August - FAQ
What are the expected maximum and minimum temperatures in Tonga during August?
During August, expect a variety of temperatures with highs around 22° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tonga during August?
Significant rainfall exceeding 199 mm is expected in Tonga during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Tonga during August?
The average wind speed in Tonga during August is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Tonga in August?
As you prepare for your trip to Tonga in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Tonga, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
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