Cook Islands · SpringMonth summary
Cook Islands weather in May
✅ Good
🌡️ Temperature min / max
72°F – 75°F
🌧 Rainy days
56% of days
☀️ Sunshine
10.3h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
October (7.7/10)
Quick decision
Should you visit Cook Islands in May?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: May is a good time to visit Cook Islands. October remains slightly better (+0.5 pts).
By trip type
Cook Islands in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in May
Spring marks the start of the good season in Cook Islands. Temperatures rise (24°F) and tourists have not yet arrived en masse. With 56% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. October (7.7/10) is significantly better if possible.
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All months for Cook Islands
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 73°F | 77°F | 58% | 0.3in | 12.2h | 7.4/10 |
| ⛅ February | 73°F | 77°F | 65% | 0.3in | 11.9h | 7.3/10 |
| ⛅ March | 73°F | 77°F | 66% | 0.3in | 11.5h | 7.2/10 |
| 🌦️ April | 73°F | 75°F | 51% | 0.2in | 11.0h | 7.4/10 |
| 🌦️ May | 72°F | 75°F | 56% | 0.2in | 10.3h | 7.2/10 |
| 🌤️ June | 70°F | 72°F | 37% | 0.1in | 10.3h | 7.5/10 |
| 🌤️ July | 68°F | 72°F | 43% | 0.1in | 10.2h | 7.4/10 |
| 🌤️ August | 68°F | 72°F | 36% | 0.1in | 10.8h | 7.6/10 |
| 🌤️ September | 68°F | 72°F | 39% | 0.1in | 11.0h | 7.5/10 |
| 🌤️ October | 70°F | 72°F | 37% | 0.1in | 11.7h | 7.7/10 |
| 🌤️ November | 70°F | 72°F | 38% | 0.1in | 12.8h | 7.7/10 |
| 🌦️ December | 72°F | 75°F | 61% | 0.3in | 12.3h | 7.3/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Cook Islands averages 75°F, 56% rainy days and 10.3h of sunshine per day. Overall weather score: 7.2/10.
See methodology →
Comparison
May vs October (best month)
The best month is October (score 7.7/10). Difference:
- 🌡️ Max temperature : -2°F
- 🌧 Rainy days : -19%
- ☀️ Sunshine : +1.4h/day
FAQ
FAQ — Cook Islands in May
Is May a good time to visit Cook Islands?
May is an acceptable time for Cook Islands (score 7.2/10). Conditions are decent but not optimal — consider October (7.7/10) if possible.
Does it rain a lot in Cook Islands in May?
Yes, 56% of days see rain in May. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Cook Islands
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