January
Weather in Cook Islands for January 2026
Your guide to Cook Islands weather in January - trends and predictions
Until now, January 2026 in Cook Islands has been nearly identical to the historical average, with a temperature of 25.6 °C (showing only a slight deviation of -0.3 °C).
The forecast for the upcoming days in Cook Islands predicts a temperature of 27 °C, which is slightly above the historical average.
In general, the average temperature in Cook Islands at the beginning of January is 26 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27.1 °C by the end of January.
Cook Islands experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 223.3 mm.
Temperatures
Rain 🌧️
3
Dry days
28
Rainy days
0
Snow days
26°/25°
Temperatures
26 km/h
Avg max wind
78 %
Avg humidity
Cook Islands Weather January
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Temperatures trend during January in Cook Islands
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January weather in Cook Islands day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. |  Moderate rain at times | 26° /24° | 1 mm | 8 | |
| 2 Jan. |  Heavy rain at times | 26° /24° | 5.3 mm | 7 | |
| 3 Jan. |  Light rain shower | 26° /24° | 4.4 mm | 8 | |
| 4 Jan. | Patchy rain possible | 26° /25° | 0.7 mm | 7 | |
| 5 Jan. | Patchy rain possible | 26° /24° | 1.3 mm | 8 | |
| 6 Jan. | Patchy rain possible | 26° /24° | 3.4 mm | 9 | |
| 7 Jan. | Light rain shower | 26° /24° | 9.8 mm | 8 | |
| 8 Jan. | Light rain shower | 26° /24° | 20.7 mm | 10 | |
| 9 Jan. | Light rain shower | 26° /24° | 10.4 mm | 10 | |
| 10 Jan. | Light rain shower | 26° /24° | 23.5 mm | 10 | |
| 11 Jan. | Patchy rain possible | 26° /23° | 24.2 mm | 7 | |
| 12 Jan. | Patchy rain possible | 25° /24° | 3.7 mm | 8 | |
| 13 Jan. | Light rain shower | 25° /24° | 4.5 mm | 7 | |
| 14 Jan. | Light rain shower | 26° /24° | 6.3 mm | 7 | |
| 15 Jan. | Patchy rain possible | 26° /23° | 3.9 mm | 8 | |
| 16 Jan. | Patchy rain possible | 26° /24° | 2.4 mm | 7 | |
| 17 Jan. |  Partly cloudy | 27° /26° | 0 mm | 3.6 | |
| 18 Jan. | Patchy rain possible | 27° /26° | 0.2 mm | 3.7 | |
| 19 Jan. | Patchy rain possible | 27° /26° | 0.6 mm | 0 | |
| 20 Jan. |  Moderate rain | 27° /26° | 7.8 mm | 9 | |
| 21 Jan. | Patchy rain possible | 26° /26° | 4 mm | 9 | |
| 22 Jan. | Patchy rain possible | 27° /26° | 2.3 mm | 9 | |
| 23 Jan. | Moderate rain | 27° /25° | 12.2 mm | 9 | |
| 24 Jan. | Patchy rain possible | 26° /26° | 1.1 mm | 9 | |
| 25 Jan. | Patchy rain possible | 27° /27° | 0.7 mm | 9 | |
| 26 Jan. | Patchy rain possible | 27° /27° | 0.8 mm | 9 | |
| 27 Jan. | Patchy rain possible | 28° /27° | 1.4 mm | 9 | |
| 28 Jan. | Patchy rain possible | 28° /27° | 0.6 mm | 9 | |
| 29 Jan. | Patchy rain possible | 27° /27° | 1.2 mm | 9 | |
| 30 Jan. | Moderate or heavy rain shower | 26° /25° | 13.6 mm | 8 | |
| 31 Jan. | Moderate or heavy rain shower | 27° /25° | 12.7 mm | 8 | |
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Important Notice
Our weather forecast for Cook Islands 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 Cook Islands forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cook Islands in January - FAQ
What are the expected maximum and minimum temperatures in Cook Islands during January?
During January, expect a variety of temperatures with highs around 26° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cook Islands during January?
Significant rainfall exceeding 223.3 mm is expected in Cook Islands during January, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cook Islands during January?
The average wind speed in Cook Islands during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Cook Islands
Explore the daily rainfall trends and prepare for Cook Islandss January weather 💧
Typically, Cook Islands has 28 rainy days in January with a total of 223.3 mm of rainfall.
UV exposure in Cook Islands during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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