August
Weather in Cook Islands for August 2025
Your guide to Cook Islands weather in August - trends and predictions
In general, the average temperature in Cook Islands at the beginning of August is 22.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 22.6 °C by the end of August.
The climate of Cook Islands in August is notably wet, with an average of 15 rainy days, and a total of 96.7 mm of precipitation.
Is August a good time to visit Cook Islands? check out the best time to travel to Cook Islands page.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
22°/21°
Temperatures
30 km/h
Avg max wind
72 %
Avg humidity
Cook Islands in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 22° | 3 22° | ||||
| 4  23° | 5  23° | 6  24° | 7 23° | 8 22° | 9 21° | 10 22° |
| 11  23° | 12 23° | 13 23° | 14 22° | 15 22° | 16 23° | 17 23° |
| 18 23° | 19 23° | 20 22° | 21 23° | 22 23° | 23 23° | 24 23° |
| 25 23° | 26 23° | 27 23° | 28 23° | 29 22° | 30 22° | 31 22° |
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Temperatures trend during August in Cook Islands
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. | Patchy rain possible | 22° /20° | 1.2 mm | 6 | |
| 2 Aug. | Patchy rain possible | 22° /21° | 0.8 mm | 6 | |
| 3 Aug. | Patchy rain possible | 22° /21° | 0.6 mm | 6 | |
| 4 Aug. | Overcast | 23° /21° | 0.1 mm | 6 | |
| 5 Aug. | Heavy rain at times | 23° /21° | 6.2 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 24° /22° | 8.4 mm | 6 | |
| 7 Aug. | Overcast | 23° /21° | 0.2 mm | 6 | |
| 8 Aug. | Overcast | 22° /20° | 0 mm | 6 | |
| 9 Aug. | Overcast | 21° /20° | 0.1 mm | 6 | |
| 10 Aug. | Patchy rain possible | 22° /21° | 1.5 mm | 6 | |
| 11 Aug. | Cloudy | 23° /21° | 0.5 mm | 6 | |
| 12 Aug. | Patchy rain possible | 23° /22° | 2 mm | 6 | |
| 13 Aug. | Overcast | 23° /21° | 0.9 mm | 6 | |
| 14 Aug. | Patchy rain possible | 22° /20° | 1.2 mm | 6 | |
| 15 Aug. | Patchy rain possible | 22° /21° | 0.4 mm | 6 | |
| 16 Aug. | Overcast | 23° /21° | 0.3 mm | 6 | |
| 17 Aug. | Overcast | 23° /21° | 1 mm | 6 | |
| 18 Aug. | Patchy rain possible | 23° /22° | 2.2 mm | 6 | |
| 19 Aug. | Overcast | 23° /21° | 1.6 mm | 6 | |
| 20 Aug. | Overcast | 22° /21° | 0.3 mm | 6 | |
| 21 Aug. | Patchy rain possible | 23° /21° | 1.4 mm | 6 | |
| 22 Aug. | Cloudy | 23° /21° | 0.3 mm | 6 | |
| 23 Aug. | Cloudy | 23° /22° | 0.9 mm | 6 | |
| 24 Aug. | Cloudy | 23° /22° | 1.5 mm | 6 | |
| 25 Aug. | Patchy rain possible | 23° /22° | 0.5 mm | 6 | |
| 26 Aug. | Light rain shower | 23° /20° | 25.4 mm | 6 | |
| 27 Aug. | Overcast | 23° /21° | 35.9 mm | 6 | |
| 28 Aug. | Cloudy | 23° /21° | 0.4 mm | 6 | |
| 29 Aug. | Cloudy | 22° /20° | 0.1 mm | 6 | |
| 30 Aug. | Light rain shower | 22° /21° | 0.3 mm | 6 | |
| 31 Aug. | Patchy rain possible | 22° /21° | 0.8 mm | 6 | |
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Important Notice
Our weather forecast for Cook Islands 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 Cook Islands forecast closer to your planned date for the most up-to-date weather information.
Cook Islands in August - FAQ
What are the expected maximum and minimum temperatures in Cook Islands 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 Cook Islands during August?
Moderate rainfall is anticipated in Cook Islands during August, with a total of 96.7 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cook Islands during August?
The average wind speed in Cook Islands during August is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cook Islands in August?
As you prepare for your trip to Cook Islands 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 Cook Islands, 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
August rainfall patterns in Cook Islands
Explore the daily rainfall trends and prepare for Cook Islandss August weather 💧
UV exposure in Cook Islands during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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