AU
Level 1Exercise normal precautions
Exercise normal precautions
When to go · Climate guide
Cook Islandswhen to go
Cook Islands' national averages run from 23 °C in August to 27 °C in March, with rainfall between 79 mm in June and 248 mm in February and 4.9–8.0 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are June, July and August. Its 11 regions span 25–28 °C in annual mean temperature, so the national figure hides a good deal.
- Region
- Oceania
- Area
- 60 km²
Best months to visit
When Cook Islands shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 26.6 | 25.3 | 24.0 | 27.7 |
| February | 26.9 | 25.6 | 24.2 | 27.8 |
| March | 27.1 | 25.7 | 24.5 | 28.2 |
| April | 26.4 | 25.2 | 23.5 | 27.7 |
| May | 25.5 | 24.3 | 22.7 | 27.1 |
| June | 24.4 | 23.3 | 21.7 | 25.9 |
| July | 23.8 | 22.6 | 20.8 | 25.5 |
| August | 23.5 | 22.3 | 20.4 | 25.0 |
| September | 23.7 | 22.5 | 20.8 | 24.9 |
| October | 23.8 | 22.8 | 21.1 | 25.1 |
| November | 24.5 | 23.5 | 21.9 | 26.0 |
| December | 25.8 | 24.6 | 23.5 | 27.1 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 203 |
| February | 248 |
| March | 218 |
| April | 142 |
| May | 168 |
| June | 79 |
| July | 107 |
| August | 111 |
| September | 88 |
| October | 123 |
| November | 90 |
| December | 199 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 7.6 |
| February | 6.8 |
| March | 6.8 |
| April | 6.2 |
| May | 4.9 |
| June | 5.3 |
| July | 5.2 |
| August | 5.6 |
| September | 6.6 |
| October | 7.3 |
| November | 8.0 |
| December | 7.5 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 22.7 | 8.8 | 37.1 |
| February | 20.6 | 9.0 | 36.1 |
| March | 19.1 | 7.4 | 32.0 |
| April | 23.3 | 8.8 | 40.1 |
| May | 25.0 | 10.2 | 42.5 |
| June | 24.8 | 8.7 | 39.6 |
| July | 24.6 | 9.3 | 38.7 |
| August | 24.3 | 9.7 | 40.8 |
| September | 25.0 | 10.6 | 41.0 |
| October | 26.4 | 10.3 | 38.6 |
| November | 24.7 | 9.5 | 40.1 |
| December | 23.0 | 9.7 | 38.1 |
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Sea surface temperature
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Heat index
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Humidity
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Safety · 3 governments
What the governments say about Cook Islands
Combined advisory · most-cautious-wins
Exercise normal precautions
Highest level across 3 governments · Advisory last changed
See breakdown by countryHide breakdown
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 1Exercise normal precautions
Exercise normal precautions
Month by month
A year in Cook Islands, in order
- JanJanuary26.6°C · 203 mm · 7.6 hr/day
Around 27 °C with 203 mm of rain and 7.6 hours of sun a day.
Around 27 °C with 203 mm of rain and 7.6 hours of sun a day.
- FebFebruary26.9°C · 248 mm · 6.8 hr/day
Around 27 °C with 248 mm of rain and 6.8 hours of sun a day.
Around 27 °C with 248 mm of rain and 6.8 hours of sun a day.
- MarMarch27.1°C · 218 mm · 6.8 hr/day
Around 27 °C with 218 mm of rain and 6.8 hours of sun a day.
Around 27 °C with 218 mm of rain and 6.8 hours of sun a day.
- AprApril26.4°C · 142 mm · 6.2 hr/day
Around 26 °C with 142 mm of rain and 6.2 hours of sun a day.
Around 26 °C with 142 mm of rain and 6.2 hours of sun a day.
- MayMay25.5°C · 168 mm · 4.9 hr/day
Around 25 °C with 168 mm of rain and 4.9 hours of sun a day.
Around 25 °C with 168 mm of rain and 4.9 hours of sun a day.
- JunJune24.4°C · 79 mm · 5.3 hr/day
Around 24 °C with 79 mm of rain and 5.3 hours of sun a day.
Around 24 °C with 79 mm of rain and 5.3 hours of sun a day.
- JulJuly23.8°C · 107 mm · 5.2 hr/day
Around 24 °C with 107 mm of rain and 5.2 hours of sun a day.
Around 24 °C with 107 mm of rain and 5.2 hours of sun a day.
- AugAugust23.5°C · 111 mm · 5.6 hr/day
Around 23 °C with 111 mm of rain and 5.6 hours of sun a day.
Around 23 °C with 111 mm of rain and 5.6 hours of sun a day.
- SepSeptember23.7°C · 88 mm · 6.6 hr/day
Around 24 °C with 88 mm of rain and 6.6 hours of sun a day.
Around 24 °C with 88 mm of rain and 6.6 hours of sun a day.
- OctOctober23.8°C · 123 mm · 7.3 hr/day
Around 24 °C with 123 mm of rain and 7.3 hours of sun a day.
Around 24 °C with 123 mm of rain and 7.3 hours of sun a day.
- NovNovember24.5°C · 90 mm · 8.0 hr/day
Around 25 °C with 90 mm of rain and 8.0 hours of sun a day.
Around 25 °C with 90 mm of rain and 8.0 hours of sun a day.
- DecDecember25.8°C · 199 mm · 7.5 hr/day
Around 26 °C with 199 mm of rain and 7.5 hours of sun a day.
Around 26 °C with 199 mm of rain and 7.5 hours of sun a day.
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