May
Weather in Cook Islands for May 2025
Your guide to Cook Islands weather in May - trends and predictions
In general, the average temperature in Cook Islands at the beginning of May is 25.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.1 °C by the end of May.
Cook Islands experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
Is May a good time to visit Cook Islands? check out the best time to travel to Cook Islands page.
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9
Dry days
22
Rainy days
0
Snow days
25°/24°
Temperatures
33 km/h
Avg max wind
77 %
Avg humidity
Cook Islands in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  26° | 3 26° | 4 26° | |||
| 5 26° | 6 26° | 7 26° | 8 26° | 9 26° | 10 26° | 11 25° |
| 12 25° | 13 25° | 14 26° | 15  25° | 16 23° | 17 24° | 18 25° |
| 19  25° | 20 26° | 21 25° | 22 25° | 23 24° | 24 25° | 25 26° |
| 26 26° | 27 26° | 28 25° | 29 25° | 30 25° | 31 23° |
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Temperatures trend during May in Cook Islands
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate rain at times | 25° /24° | 1.9 mm | 6 | |
| 2 May | Patchy rain possible | 26° /24° | 2.6 mm | 7 | |
| 3 May | Moderate or heavy rain shower | 26° /25° | 16 mm | 7 | |
| 4 May | Moderate or heavy rain shower | 26° /25° | 17.1 mm | 7 | |
| 5 May | Moderate or heavy rain shower | 26° /25° | 11.1 mm | 7 | |
| 6 May | Moderate rain at times | 26° /25° | 10 mm | 7 | |
| 7 May | Moderate or heavy rain shower | 26° /25° | 5.2 mm | 7 | |
| 8 May | Moderate or heavy rain shower | 26° /25° | 9.4 mm | 7 | |
| 9 May | Moderate or heavy rain shower | 26° /25° | 10.9 mm | 7 | |
| 10 May | Patchy rain possible | 26° /24° | 5.5 mm | 7 | |
| 11 May | Patchy rain possible | 25° /23° | 1.3 mm | 7 | |
| 12 May | Patchy rain possible | 25° /24° | 2.6 mm | 6 | |
| 13 May | Patchy rain possible | 25° /24° | 5 mm | 7 | |
| 14 May | Patchy rain possible | 26° /24° | 4.4 mm | 7 | |
| 15 May | Overcast | 25° /24° | 0.5 mm | 6 | |
| 16 May | Moderate or heavy rain shower | 23° /22° | 13.1 mm | 6 | |
| 17 May | Patchy rain possible | 24° /22° | 4.1 mm | 6 | |
| 18 May | Patchy rain possible | 25° /24° | 1.1 mm | 6 | |
| 19 May | Cloudy | 25° /23° | 0.6 mm | 6 | |
| 20 May | Overcast | 26° /24° | 0.2 mm | 7 | |
| 21 May | Moderate rain at times | 25° /24° | 0.7 mm | 7 | |
| 22 May | Overcast | 25° /23° | 0 mm | 7 | |
| 23 May | Cloudy | 24° /23° | 0 mm | 7 | |
| 24 May | Overcast | 25° /24° | 0.1 mm | 7 | |
| 25 May | Patchy rain possible | 26° /24° | 1.1 mm | 7 | |
| 26 May | Patchy rain possible | 26° /24° | 3.5 mm | 7 | |
| 27 May | Patchy rain possible | 26° /24° | 1.1 mm | 7 | |
| 28 May | Moderate or heavy rain shower | 25° /24° | 4.2 mm | 7 | |
| 29 May | Patchy rain possible | 25° /24° | 1.2 mm | 6 | |
| 30 May | Overcast | 25° /23° | 4.5 mm | 6 | |
| 31 May | Cloudy | 23° /22° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Cook Islands in May 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 May - FAQ
What are the expected maximum and minimum temperatures in Cook Islands during May?
During May, expect a variety of temperatures with highs around 25° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cook Islands during May?
Significant rainfall exceeding 261.4 mm is expected in Cook Islands during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cook Islands during May?
The average wind speed in Cook Islands during May is 33 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cook Islands in May?
As you prepare for your trip to Cook Islands in May, 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 May, 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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Where is Cook Islands?Get accurate weather forecasts for Cook Islands, located at latitude -21.208 and longitude -159.775. Stay updated with localized weather information tailored for Cook Islands.
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