The best times to visit Rarotonga for ideal weather are
June 4th to October 21st
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Rarotonga Travel Guide
Other Rarotonga Travel Info
Weather in Rarotonga
Average temperatures in Rarotonga vary very little. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 33rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Rarotonga, the hottest months are February, March, and then January. See average monthly temperatures below. The warmest time of year is generally mid February where highs are regularly around 86.1°F (30.1°C) with temperatures rarely dropping below 74.9°F (23.8°C) at night.
Rarotonga Temperatures (Fahrenheit)
Rarotonga Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Rarotonga Perceived Temperature (F)
Rarotonga Perceived Temperature (C)
Average Rarotonga Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Rarotonga are July, June, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid July. For example, on the week of July 16th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 3 days of significant precipitation the week of January 15th.
When can you find snow in Rarotonga? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Rarotonga.
Snow on the Ground
The graph below shows the average snow on the ground in Rarotonga (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Rarotonga has some very humid months, and high humidity throughout the year. The least humid month is August (70.1% relative humidity), and the most humid month is January (79.2%).
Wind in Rarotonga is usually moderate. The windiest month is September, followed by January and December. September’s average wind speed of around 8.4 knots (9.7 MPH or 15.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late November to early December where average top sustained speeds reach 14.7 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Rarotonga.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||8.1||Gentle breeze||13.7||Significant breeze|
|Feb||7.4||Gentle breeze||13||Significant breeze|
|Mar||7.1||Gentle breeze||13.2||Significant breeze|
|Apr||6.5||Light breeze||12.2||Significant breeze|
|May||7||Gentle breeze||12.9||Significant breeze|
|Jun||7.3||Gentle breeze||13.4||Significant breeze|
|Jul||7.3||Gentle breeze||13.1||Significant breeze|
|Aug||7.5||Gentle breeze||13||Significant breeze|
|Sep||8.4||Gentle breeze||14.1||Significant breeze|
|Oct||7.5||Gentle breeze||12.8||Significant breeze|
|Nov||7.4||Gentle breeze||12.6||Significant breeze|
|Dec||8||Gentle breeze||14.1||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Rarotonga?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the Cook Islands; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Rarotonga, the Cook Islands is January, followed by February and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Rarotonga in October. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Rarotonga Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 85.8°F (29.9°C) and 81.7°F (27.6°C) with colder temperatures in the later months. Rain is somewhat common with 7 to 9 days of significant precipitation per month. Fall is fairly slow for tourism, which makes it a good time for those looking for deals.
Winter (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 3 to 4 days of precipitation per month. June – August is the second busiest season for tourism in Rarotonga, so lodging and other accommodations may cost slightly more.
Spring (September through November)
Spring daily highs range from 83.9°F (28.8°C) and 78.6°F (25.9°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: approximately 5 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Summer (December through February)
Weather is perfect this time of year in Rarotonga to be enjoyable for warm weather travelers. The average high during this season is between 86.1°F (30.1°C) and 82.9°F (28.3°C). On average, it rains or snows a fair amount: 7 to 11 times per month. These times of year are the busiest with tourists.
- Tapere of Vaimaanga, the Cook Islands
- Tapere of Titikaveka, the Cook Islands
- Tapere of Rutaki, the Cook Islands
- the Cook Islands
- Aitutaki, the Cook Islands
- Arutanga Tapere, the Cook Islands
- Akitua Island, the Cook Islands
- Maupiti, French Polynesia
- Bora Bora, French Polynesia
- Raiatea, French Polynesia