The best times to visit Lake St Clair for ideal weather are

early to mid February

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



Other Lake St Clair Travel Info

Weather in Lake St Clair


Average temperatures in Lake St Clair vary somewhat. Considering humidity, temperatures feel cold all year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the bottom 1 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 Lake St Clair, 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 62.3°F (16.8°C) with temperatures rarely dropping below 45.2°F (7.3°C) at night.

Lake St Clair Temperatures (Fahrenheit)


Lake St Clair 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.

Lake St Clair Perceived Temperature (F)


Lake St Clair Perceived Temperature (C)



Average Lake St Clair 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 58.1 48.9 40.9
Feb 59.7 50.4 42.5
Mar 53.8 46.6 40
Apr 48.4 42.5 37.3
May 43.9 39.6 35.4
Jun 40.7 36.6 32.7
Jul 38.8 35.2 31.6
Aug 39.6 35.3 31.2
Sep 42.3 36.7 31.7
Oct 46.4 39.4 32.9
Nov 52.3 44.1 36.6
Dec 54 45.6 38.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 14.5 9.4 4.9
Feb 15.4 10.2 5.8
Mar 12.1 8.1 4.4
Apr 9.1 5.8 2.9
May 6.6 4.2 1.9
Jun 4.8 2.6 0.4
Jul 3.8 1.8 -0.2
Aug 4.2 1.8 -0.4
Sep 5.7 2.6 -0.2
Oct 8 4.1 0.5
Nov 11.3 6.7 2.6
Dec 12.2 7.6 3.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Lake St Clair are February, January, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early May with an average of 6 days of significant precipitation the week of April 30th.

When can you find snow in Lake St Clair? 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 Lake St Clair.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Lake St Clair (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 40% 0 7.8
Feb 29% 0 4.7
Mar 47% 0 12.4
Apr 48% 0 11
May 63% 0 15.7
Jun 46% 0 10
Jul 52% 0 12.4
Aug 52% 0 12.8
Sep 56% 0 13.3
Oct 51% 0 12.1
Nov 48% 0 9.2
Dec 49% 0 11.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 40 0 19.8
Feb 29 0 11.9
Mar 47 0 31.5
Apr 48 0 27.9
May 63 0 39.9
Jun 46 0 25.4
Jul 52 0 31.5
Aug 52 0 32.5
Sep 56 0 33.8
Oct 51 0 30.7
Nov 48 0 23.4
Dec 49 0 28.4


Humidity and Wind

Lake St Clair has some extremely humid months, and high humidity throughout the year. The least humid month is January (79.1% relative humidity), and the most humid month is August (94.8%).

Wind in Lake St Clair is usually stronger than many places. The windiest month is September, followed by May and August. September’s average wind speed of around 17.1 knots (19.7 MPH or 31.6 KPH) is considered “a fresh breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid August where average top sustained speeds reach 25.7 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Lake St Clair.

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 15.4 Significant breeze 22.6 Very strong breeze
Feb 13.2 Significant breeze 20.3 Strong breeze
Mar 15.6 Significant breeze 22.9 Very strong breeze
Apr 15 Significant breeze 21.8 Strong breeze
May 16.3 Significant breeze 22.9 Very strong breeze
Jun 15.2 Significant breeze 22.7 Very strong breeze
Jul 15.7 Significant breeze 23.2 Very strong breeze
Aug 16.2 Significant breeze 24.2 Very strong breeze
Sep 17.1 Strong breeze 24.9 Very strong breeze
Oct 15.6 Significant breeze 22.9 Very strong breeze
Nov 14 Significant breeze 21.2 Very strong breeze
Dec 14.7 Significant breeze 21.9 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 79.1%
Feb 79.8%
Mar 88.1%
Apr 91.2%
May 94.4%
Jun 93.2%
Jul 93.8%
Aug 94.8%
Sep 92.6%
Oct 88.4%
Nov 83.6%
Dec 84.8%


Is it Safe to Travel to Lake St Clair?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Nov 30, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Lake St Clair, TS, Australia is September, followed by October and January. 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 Lake St Clair in August. 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 54.4 in August means 54.4% of the tourists vs. September.



Overall Lake St Clair Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 57°F (13.9°C) and 43.3°F (6.3°C) with colder temperatures in the later months. Rain is frequent with 14 to 19 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 still jacket weather. These months see moderate precipitation with 14 to 16 days of precipitation per month. June – August is the slowest season for tourism in Lake St Clair, so lodging and other accommodations may cost less than usual.

Spring (September through November)

Spring daily highs range from 53.9°F (12.2°C) and 40.4°F (4.7°C), which will feel chilly given the humidity and wind. It rains or snows a great amount: 14 to 17 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.

Summer (December through February)

Weather is too cold this time of year in Lake St Clair to be enjoyable for warm weather travelers. The average high during this season is between 62.3°F (16.8°C) and 51.8°F (11°C). On average, it rains or snows a great amount: 8 to 15 times per month. These times of year are the second busiest with tourists.


Best Times to TravelAustralia › Lake St Clair, TS, Australia