The best times to visit Whanganui for ideal weather are

November 26th to April 1st

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Whanganui Travel Info

Weather in Whanganui


Average temperatures in Whanganui vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 32nd 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 Whanganui, the hottest months are February, January, and then December. See average monthly temperatures below. The warmest time of year is generally mid February where highs are regularly around 76.5°F (24.7°C) with temperatures rarely dropping below 54.6°F (12.6°C) at night.

Whanganui Temperatures (Fahrenheit)


Whanganui 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.

Whanganui Perceived Temperature (F)


Whanganui Perceived Temperature (C)



Average Whanganui 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 74 63.8 53.1
Feb 74.9 64.3 54
Mar 72.2 61.5 50.7
Apr 66.9 57.1 46.8
May 61.1 52.1 41.9
Jun 56.5 48.8 39.9
Jul 55.1 47.4 38.8
Aug 57.3 49.4 40.8
Sep 59.9 51.6 42.3
Oct 62.4 54.1 44.9
Nov 66.3 57.2 47.4
Dec 71.8 62.1 52.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 23.3 17.7 11.7
Feb 23.8 17.9 12.2
Mar 22.3 16.4 10.4
Apr 19.4 13.9 8.2
May 16.2 11.2 5.5
Jun 13.6 9.3 4.4
Jul 12.8 8.6 3.8
Aug 14.1 9.7 4.9
Sep 15.5 10.9 5.7
Oct 16.9 12.3 7.2
Nov 19.1 14 8.6
Dec 22.1 16.7 11.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Whanganui are March, February, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early March. For example, on the week of March 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late September with an average of 3 days of significant precipitation the week of September 17th.

When can you find snow in Whanganui? 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 Whanganui.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 16% 0 2.1
Feb 16% 0 2.1
Mar 14% 0 2
Apr 22% 0 3.6
May 22% 0 2.8
Jun 29% 0 4.3
Jul 23% 0 2.8
Aug 32% 0 3.5
Sep 28% 0 3.5
Oct 32% 0 4
Nov 20% 0 2.6
Dec 22% 0 3.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 0 5.3
Feb 16 0 5.3
Mar 14 0 5.1
Apr 22 0 9.1
May 22 0 7.1
Jun 29 0 10.9
Jul 23 0 7.1
Aug 32 0 8.9
Sep 28 0 8.9
Oct 32 0 10.2
Nov 20 0 6.6
Dec 22 0 8.9


Humidity and Wind

Whanganui has some very humid months, and above average humidity throughout the year. The least humid month is February (64.3% relative humidity), and the most humid month is June (78.6%).

Wind in Whanganui is usually moderate. The windiest month is October, followed by November and January. October’s average wind speed of around 9.4 knots (10.8 MPH or 17.4 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 mid October where average top sustained speeds reach 16.5 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Whanganui.

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 8.5 Gentle breeze 14.2 Significant breeze
Feb 8.1 Gentle breeze 13.4 Significant breeze
Mar 7.8 Gentle breeze 13.2 Significant breeze
Apr 7.1 Gentle breeze 12.1 Significant breeze
May 6.7 Light breeze 11.7 Significant breeze
Jun 7.2 Gentle breeze 12 Significant breeze
Jul 7.4 Gentle breeze 12.3 Significant breeze
Aug 7.3 Gentle breeze 12.4 Significant breeze
Sep 8.3 Gentle breeze 14 Significant breeze
Oct 9.4 Gentle breeze 15.7 Significant breeze
Nov 8.7 Gentle breeze 14.3 Significant breeze
Dec 8.2 Gentle breeze 13.4 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 64.8%
Feb 64.3%
Mar 66.4%
Apr 72.3%
May 77.1%
Jun 78.6%
Jul 77.3%
Aug 76.5%
Sep 72.6%
Oct 71.7%
Nov 68.4%
Dec 67.2%


Is it Safe to Travel to Whanganui?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for New Zealand; 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 Sep 30, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Whanganui, New Zealand is December, followed by April and July. 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 Whanganui 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

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 36 in October means 36% of the tourists vs. December.



Overall Whanganui Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 73.7°F (23.2°C) and 57.7°F (14.3°C) with colder temperatures in the later months. Rain is somewhat common with 4 to 7 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 cold weather with high temperatures that are brisk. These months see the most precipitation with 7 to 10 days of precipitation per month. June – August is the second busiest season for tourism in Whanganui, so lodging and other accommodations may cost slightly more.

Spring (September through November)

Spring daily highs range from 69.2°F (20.7°C) and 58.8°F (14.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 10 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 somewhat cool this time of year in Whanganui to be enjoyable for warm weather travelers. The average high during this season is between 76.5°F (24.7°C) and 70.3°F (21.3°C). On average, it rains or snows a fair amount: 5 to 7 times per month. These times of year are the busiest with tourists.


Best Times to TravelNew Zealand › Whanganui, New Zealand