January
Weather in Tongatapu for January 2026
Your guide to Tongatapu weather in January - trends and predictions
Until now, January 2026 in Tongatapu has been nearly identical to the historical average, with a temperature of 26.9 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Tongatapu predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Tongatapu at the beginning of January is 26.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27.4 °C by the end of January.
Tongatapu experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 316.2 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
27°/26°
Temperatures
25 km/h
Avg max wind
77 %
Avg humidity
Tongatapu Weather January
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Temperatures trend during January in Tongatapu
See the weather trend as well as the moving average line
January weather in Tongatapu day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Partly cloudy | 26° /24° | 7.9 mm | 9 | |
| 2 Jan. |  Cloudy | 27° /25° | 5.1 mm | 8 | |
| 3 Jan. |  Moderate or heavy rain shower | 26° /25° | 6.5 mm | 8 | |
| 4 Jan. | Moderate rain at times | 26° /25° | 2.5 mm | 7 | |
| 5 Jan. |  Light rain shower | 27° /25° | 21.6 mm | 8 | |
| 6 Jan. | Moderate or heavy rain shower | 27° /25° | 12.1 mm | 8 | |
| 7 Jan. | Patchy rain possible | 27° /26° | 4.8 mm | 8 | |
| 8 Jan. | Light rain shower | 27° /25° | 7.1 mm | 10 | |
| 9 Jan. | Patchy rain possible | 27° /25° | 1.9 mm | 8 | |
| 10 Jan. | Patchy rain possible | 27° /25° | 4.7 mm | 7 | |
| 11 Jan. | Light rain shower | 27° /25° | 3.7 mm | 7 | |
| 12 Jan. | Light rain shower | 26° /25° | 4.7 mm | 7 | |
| 13 Jan. | Light rain shower | 27° /25° | 2.9 mm | 8 | |
| 14 Jan. | Patchy rain possible | 27° /25° | 7.6 mm | 7 | |
| 15 Jan. | Light rain shower | 26° /24° | 7.7 mm | 7 | |
| 16 Jan. | Light rain shower | 27° /25° | 8.5 mm | 9 | |
| 17 Jan. | Light rain shower | 27° /25° | 10.2 mm | 7 | |
| 18 Jan. | Patchy rain possible | 27° /26° | 9 mm | 8 | |
| 19 Jan. |  Sunny | 28° /27° | 0 mm | 3.8 | |
| 20 Jan. | Sunny | 28° /27° | 0 mm | 0 | |
| 21 Jan. | Patchy rain possible | 28° /27° | 0.3 mm | 9 | |
| 22 Jan. | Patchy rain possible | 27° /27° | 0.2 mm | 9 | |
| 23 Jan. | Patchy rain possible | 27° /27° | 0.3 mm | 9 | |
| 24 Jan. | Partly cloudy | 28° /27° | 0.1 mm | 10 | |
| 25 Jan. | Patchy rain possible | 28° /27° | 1.1 mm | 9 | |
| 26 Jan. | Patchy rain possible | 27° /27° | 0.3 mm | 9 | |
| 27 Jan. | Cloudy | 27° /27° | 0 mm | 9 | |
| 28 Jan. | Partly cloudy | 27° /26° | 0 mm | 10 | |
| 29 Jan. | Sunny | 27° /26° | 0 mm | 10 | |
| 30 Jan. | Partly cloudy | 28° /27° | 0 mm | 10 | |
| 31 Jan. | Light rain shower | 28° /25° | 15.1 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Tongatapu in January 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 Tongatapu forecast closer to your planned date for the most up-to-date weather information.
Change Month
Tongatapu in January - FAQ
What are the expected maximum and minimum temperatures in Tongatapu during January?
During January, expect a variety of temperatures with highs around 27° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tongatapu during January?
Significant rainfall exceeding 316.2 mm is expected in Tongatapu during January, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Tongatapu during January?
The average wind speed in Tongatapu during January is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Tongatapu
Explore the daily rainfall trends and prepare for Tongatapus January weather 💧
Typically, Tongatapu has 31 rainy days in January with a total of 316.2 mm of rainfall.
UV exposure in Tongatapu during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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