The best times to visit Glen Osmond for ideal weather are

June 11th to September 2nd

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



Other Glen Osmond Travel Info

Weather in Glen Osmond


Average temperatures in Glen Osmond vary an incredible amount. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 45th 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 Glen Osmond, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid July where highs are regularly around 68.5°F (20.3°C) with temperatures rarely dropping below 54.9°F (12.7°C) at night.

Glen Osmond Temperatures (Fahrenheit)


Glen Osmond 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.

Glen Osmond Perceived Temperature (F)


Glen Osmond Perceived Temperature (C)



Average Glen Osmond 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 11.9 7.2 2.4
Feb 18.4 13.9 9.9
Mar 13.1 4.6 -1.5
Apr 30.7 23 16.8
May 51.8 44.2 38.5
Jun 57.6 51.7 46.3
Jul 63.9 58 53.1
Aug 59.9 54.6 49.9
Sep 49.6 43.9 38.8
Oct 36.2 32 28.5
Nov 28.1 23.4 18.8
Dec 17.9 13.2 8.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -11.2 -13.8 -16.4
Feb -7.6 -10.1 -12.3
Mar -10.5 -15.2 -18.6
Apr -0.7 -5 -8.4
May 11 6.8 3.6
Jun 14.2 10.9 7.9
Jul 17.7 14.4 11.7
Aug 15.5 12.6 9.9
Sep 9.8 6.6 3.8
Oct 2.3 0 -1.9
Nov -2.2 -4.8 -7.3
Dec -7.8 -10.4 -13


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 Glen Osmond.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0
Feb 0% 0 0
Mar 0% 0 0
Apr 0% 0 0
May 0% 0 0
Jun 0% 0 0
Jul 0% 0 0
Aug 0% 0 0
Sep 0% 0 0
Oct 0% 0 0
Nov 0% 0 0
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 0 0 0
Apr 0 0 0
May 0 0 0
Jun 0 0 0
Jul 0 0 0
Aug 0 0 0
Sep 0 0 0
Oct 0 0 0
Nov 0 0 0
Dec 0 0 0


Humidity and Wind

Glen Osmond has some extremely humid months, and above average humidity throughout the year. The least humid month is June (69.6% relative humidity), and the most humid month is October (81.2%).

Wind in Glen Osmond is usually stronger than many places. The windiest month is December, followed by February and March. December’s average wind speed of around 16.2 knots (18.6 MPH or 29.9 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early February where average top sustained speeds reach 26.6 knots, which is considered a strong breeze.

Relative Humidity (%)

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

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 16.9 Significant breeze
Feb 15.7 Significant breeze 22 Very strong breeze
Mar 13.2 Significant breeze 19.3 Significant breeze
Apr 11.8 Significant breeze 17.8 Strong breeze
May 8.6 Gentle breeze 14.5 Significant breeze
Jun 10.8 Gentle breeze 16.6 Significant breeze
Jul 8.7 Gentle breeze 15.4 Significant breeze
Aug 10.2 Gentle breeze 16.6 Significant breeze
Sep 10.8 Gentle breeze 17.9 Significant breeze
Oct 12.1 Significant breeze 19.1 Strong breeze
Nov 11.9 Significant breeze 18.9 Significant breeze
Dec 16.2 Significant breeze 22.6 Very strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 74.1%
Feb 76%
Mar 78%
Apr 76.4%
May 74.5%
Jun 69.6%
Jul 74.9%
Aug 77.4%
Sep 73.4%
Oct 81.2%
Nov 79.8%
Dec 77.1%


Is it Safe to Travel to Glen Osmond?

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 Glen Osmond, SA, Australia is February, followed by January and May. 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 Glen Osmond in November. 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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 66.7 in November means 66.7% of the tourists vs. February.



Overall Glen Osmond Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel very cold. Highs range from 64.3°F (17.9°C) and 4°F (-15.6°C) with far warmer temperatures in the later months. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have comfortably cool weather with high temperatures that are brisk. June – August is fairly slow season for tourism in Glen Osmond, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 55.1°F (12.8°C) and 24.6°F (-4.1°C), which will feel very chilly given the humidity and wind. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Summer (December through February)

Weather is far too cold this time of year in Glen Osmond to be enjoyable for warm weather travelers. The average high during this season is between 34.4°F (1.3°C) and -12.1°F (-24.5°C). These times of year are the busiest with tourists.


Best Times to TravelAustralia › Glen Osmond, SA, Australia