The best times to visit Nuku Alofa for ideal weather are
May 21st to October 14th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Nuku Alofa Travel Guide
Other Nuku Alofa Travel Info
Weather in Nuku Alofa
Average temperatures in Nuku Alofa vary very little. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a chance of rain throughout most 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 Nuku Alofa, the hottest months are February, March, and then January. See average monthly temperatures below. The warmest time of year is generally early to mid February where highs are regularly around 87.5°F (30.8°C) with temperatures rarely dropping below 73.8°F (23.2°C) at night.
Nuku Alofa Temperatures (Fahrenheit)
Nuku Alofa 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.
Nuku Alofa Perceived Temperature (F)
Nuku Alofa Perceived Temperature (C)
Average Nuku Alofa 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 Nuku Alofa are August, July, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid to late August. For example, on the week of August 20th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early April with an average of 3 days of significant precipitation the week of April 2nd.
When can you find snow in Nuku Alofa? 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 Nuku Alofa.
Snow on the Ground
The graph below shows the average snow on the ground in Nuku Alofa (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
Nuku Alofa has some extremely humid months, and high humidity throughout the year. The least humid month is August (74.1% relative humidity), and the most humid month is February (82.7%).
Wind in Nuku Alofa is usually calm. The windiest month is January, followed by December and August. January’s average wind speed of around 6.9 knots (8 MPH or 12.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid January where average top sustained speeds reach 13.4 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Nuku Alofa.
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||6.9||Light breeze||12.5||Significant breeze|
|Feb||5.9||Light breeze||11.7||Significant breeze|
|Mar||6.1||Light breeze||11.3||Significant breeze|
|Apr||5.9||Light breeze||10.7||Gentle breeze|
|May||6.4||Light breeze||11.1||Significant breeze|
|Jun||6.2||Light breeze||10.5||Gentle breeze|
|Jul||6.5||Light breeze||11.4||Significant breeze|
|Aug||6.5||Light breeze||11.3||Significant breeze|
|Sep||6.3||Light breeze||11.4||Significant breeze|
|Oct||6.4||Light breeze||11.3||Significant breeze|
|Nov||6.3||Light breeze||11.5||Significant breeze|
|Dec||6.6||Light breeze||11.4||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Nuku Alofa?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Tonga; 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 Nuku Alofa, Tonga is July, followed by June and September. 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 Nuku Alofa in March. 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 Nuku Alofa Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 86.8°F (30.4°C) and 79.8°F (26.6°C) with colder temperatures in the later months. Rain is somewhat common with 9 to 11 days of significant precipitation per month. Fall is the slowest 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 4 to 5 days of precipitation per month. June – August is the busiest season for tourism in Nuku Alofa, so lodging and other accommodations may cost more than usual.
Spring (September through November)
Spring daily highs range from 83.5°F (28.6°C) and 78.3°F (25.7°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 5 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Summer (December through February)
Weather is perfect this time of year in Nuku Alofa to be enjoyable for warm weather travelers. The average high during this season is between 87.5°F (30.8°C) and 84.4°F (29.1°C). On average, it rains or snows a fair amount: 6 to 11 times per month. These times of year are the second busiest with tourists.
Best Times to Travel› Tonga › Nuku Alofa, Tonga