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.



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)


“Feels-Like” Temperatures

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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 85.7 79.3 73.5
Feb 86.6 80 74.2
Mar 86.1 79.7 74
Apr 84.1 77.3 71.4
May 81.2 75 69.8
Jun 79.1 73.1 67.8
Jul 77.6 71.3 65.6
Aug 77.8 71.5 66
Sep 79.1 72.2 66.3
Oct 80.5 73.9 68.3
Nov 82.4 75.9 70.2
Dec 84.7 78.1 72.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 29.8 26.3 23.1
Feb 30.3 26.7 23.4
Mar 30.1 26.5 23.3
Apr 28.9 25.2 21.9
May 27.3 23.9 21
Jun 26.2 22.8 19.9
Jul 25.3 21.8 18.7
Aug 25.4 21.9 18.9
Sep 26.2 22.3 19.1
Oct 26.9 23.3 20.2
Nov 28 24.4 21.2
Dec 29.3 25.6 22.3



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.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Nuku Alofa (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 36% 0 10.6
Feb 35% 0 9.7
Mar 35% 0 11.4
Apr 29% 0 7.3
May 29% 0 10
Jun 17% 0 3.3
Jul 14% 0 3.2
Aug 13% 0 4.5
Sep 22% 0 6.6
Oct 16% 0 5.1
Nov 24% 0 5.6
Dec 21% 0 7.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 36 0 26.9
Feb 35 0 24.6
Mar 35 0 29
Apr 29 0 18.5
May 29 0 25.4
Jun 17 0 8.4
Jul 14 0 8.1
Aug 13 0 11.4
Sep 22 0 16.8
Oct 16 0 13
Nov 24 0 14.2
Dec 21 0 19.1


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.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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
Jan 80.6%
Feb 82.7%
Mar 82.2%
Apr 79.3%
May 77.8%
Jun 76.8%
Jul 74.9%
Aug 74.1%
Sep 76.6%
Oct 75.5%
Nov 77.1%
Dec 75.6%


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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 13.3 in March means 13.3% of the tourists vs. July.



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.


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