Weather radar Rarotonga
Real-time precipitation radar · Rarotonga · Cook Islands
Rarotonga climate table – average temperature, precipitation & sunshine hours
The climate table for Rarotonga shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 24.4° | 24.9° | 25.2° | 24.4° | 23.5° | 22.5° | 21.9° | 21.3° | 21.5° | 21.7° | 22.1° | 23.4° |
| Avg low (°C) | 23.1° | 23.5° | 23.8° | 23.1° | 22.3° | 21.3° | 20.7° | 20.1° | 20.4° | 20.6° | 21.2° | 22.3° |
| Precipitation (mm) | 204 | 263 | 224 | 122 | 186 | 104 | 78 | 98 | 90 | 113 | 45 | 175 |
| Rainy days | 20 | 18 | 20 | 19 | 20 | 11 | 13 | 11 | 10 | 9 | 9 | 19 |
| Sunshine hours | 326 | 285 | 305 | 300 | 253 | 258 | 270 | 279 | 304 | 322 | 341 | 325 |
| Humidity | 81% | 81% | 81% | 78% | 79% | 74% | 74% | 74% | 75% | 75% | 76% | 81% |
Best time to visit Rarotonga
The best time to visit Rarotonga is typically November. In this month the average high is 22.1°C, precipitation is 45 mm and sunshine duration is 341 hours. The annual average high is 23.1°C, total annual precipitation is 1702 mm (179 rainy days/year) and annual sunshine is 3568 hours.
Frequently asked questions about the weather in Rarotonga
How up to date is the weather radar for Rarotonga?
The weather radar for Rarotonga is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Rarotonga?
Besides the rain radar, RadarWeather provides for Rarotonga: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Rarotonga?
The thunderstorm potential for Rarotonga is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Rarotonga.
What is the climate like in Rarotonga?
Rarotonga has an annual average high of 23.1°C. The warmest month is March (avg high 25.2°C), the coldest August (avg low 20.1°C). The wettest month is February with 263 mm, the driest November with 45 mm. Total annual precipitation is 1702 mm (179 rainy days). Annual sunshine is 3568 hours.
Weather radar near Rarotonga
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