The best times to visit Portarlington for ideal weather are

November 5th to April 15th

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



Other Portarlington Travel Info

Weather in Portarlington


Average temperatures in Portarlington vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 54th 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 Portarlington, the hottest months are February, January, and then March. See average monthly temperatures below. The warmest time of year is generally early to mid February where highs are regularly around 81.4°F (27.4°C) with temperatures rarely dropping below 58.5°F (14.7°C) at night.

Portarlington Temperatures (Fahrenheit)


Portarlington 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.

Portarlington Perceived Temperature (F)


Portarlington Perceived Temperature (C)



Average Portarlington 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 80.6 67.5 56
Feb 79.8 67.7 57.4
Mar 76.3 64.4 53.4
Apr 69.5 58.8 48
May 63.8 54.3 44.8
Jun 58.1 50.1 41.4
Jul 57.6 49.1 40.1
Aug 59.7 50.5 40.8
Sep 64.7 53.8 42.3
Oct 69.9 57.5 45.1
Nov 73.5 61.4 50
Dec 76.6 64.1 52.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 27 19.7 13.3
Feb 26.6 19.8 14.1
Mar 24.6 18 11.9
Apr 20.8 14.9 8.9
May 17.7 12.4 7.1
Jun 14.5 10.1 5.2
Jul 14.2 9.5 4.5
Aug 15.4 10.3 4.9
Sep 18.2 12.1 5.7
Oct 21.1 14.2 7.3
Nov 23.1 16.3 10
Dec 24.8 17.8 11.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Portarlington are March, January, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late December. For example, on the week of December 24th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid July with an average of 2 days of significant precipitation the week of July 9th.

When can you find snow in Portarlington? 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 Portarlington.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 8% 0 1.4
Feb 10% 0 1.4
Mar 7% 0 0.9
Apr 11% 0 1.3
May 12% 0 1.4
Jun 19% 0 1.8
Jul 17% 0 1.7
Aug 14% 0 1.4
Sep 14% 0 1.7
Oct 13% 0 1.4
Nov 15% 0 2.8
Dec 11% 0 1.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 8 0 3.6
Feb 10 0 3.6
Mar 7 0 2.3
Apr 11 0 3.3
May 12 0 3.6
Jun 19 0 4.6
Jul 17 0 4.3
Aug 14 0 3.6
Sep 14 0 4.3
Oct 13 0 3.6
Nov 15 0 7.1
Dec 11 0 3.6


Humidity and Wind

Portarlington has some very humid months, with other comfortably humid months. The least humid month is January (53.8% relative humidity), and the most humid month is June (77%).

Wind in Portarlington is usually moderate. The windiest month is January, followed by February and August. January’s average wind speed of around 10.9 knots (12.5 MPH or 20.2 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 September where average top sustained speeds reach 19.4 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 10.9 Gentle breeze 17.6 Strong breeze
Feb 10.8 Gentle breeze 16.9 Significant breeze
Mar 9.7 Gentle breeze 15.9 Strong breeze
Apr 8.9 Gentle breeze 14.6 Significant breeze
May 8.9 Gentle breeze 14.2 Strong breeze
Jun 8.8 Gentle breeze 13.7 Significant breeze
Jul 9.5 Gentle breeze 14.9 Strong breeze
Aug 10.5 Gentle breeze 16.5 Significant breeze
Sep 10.4 Gentle breeze 17.3 Strong breeze
Oct 10.2 Gentle breeze 16.9 Significant breeze
Nov 10.1 Gentle breeze 16.6 Strong breeze
Dec 10.4 Gentle breeze 17.4 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 53.8%
Feb 58.9%
Mar 58.4%
Apr 64.7%
May 70.4%
Jun 77%
Jul 73.8%
Aug 69.7%
Sep 63.4%
Oct 59.6%
Nov 60.9%
Dec 56.9%


Is it Safe to Travel to Portarlington?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Australia; 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 Portarlington, VC, Australia is February, followed by June and December. 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 Portarlington in July. 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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 32.1 in July means 32.1% of the tourists vs. February.



Overall Portarlington Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 78.5°F (25.8°C) and 60.8°F (16°C) with colder temperatures in the later months. Rain is rare with 2 to 4 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 cold weather with high temperatures that are brisk. These months see the most precipitation with 4 to 6 days of precipitation per month. June – August is the second busiest season for tourism in Portarlington, so lodging and other accommodations may cost slightly more.

Spring (September through November)

Spring daily highs range from 75.8°F (24.3°C) and 62.7°F (17.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 5 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 Portarlington to be enjoyable for warm weather travelers. The average high during this season is between 81.4°F (27.4°C) and 74.6°F (23.7°C). On average, it rains or snows a smalll amount: 2 to 3 times per month. These times of year are the busiest with tourists.


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