The best times to visit Foster for ideal weather are

October 22nd 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 Foster Travel Info

Weather in Foster


Average temperatures in Foster vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 48th 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 Foster, 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 78.7°F (25.9°C) with temperatures rarely dropping below 61.4°F (16.3°C) at night.

Foster Temperatures (Fahrenheit)


Foster 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.

Foster Perceived Temperature (F)


Foster Perceived Temperature (C)



Average Foster 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 75 65.2 55.4
Feb 75.9 66.3 57.2
Mar 73.6 63.3 53.5
Apr 67 58.2 49
May 62.7 54.9 46.3
Jun 58.1 51.1 43
Jul 56.9 50 42.5
Aug 57.6 50.5 43
Sep 62 53.7 44.5
Oct 66.5 57.2 47.4
Nov 67.8 58.7 49.4
Dec 72.5 62.6 52.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 23.9 18.4 13
Feb 24.4 19.1 14
Mar 23.1 17.4 11.9
Apr 19.4 14.6 9.4
May 17.1 12.7 7.9
Jun 14.5 10.6 6.1
Jul 13.8 10 5.8
Aug 14.2 10.3 6.1
Sep 16.7 12.1 6.9
Oct 19.2 14 8.6
Nov 19.9 14.8 9.7
Dec 22.5 17 11.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Foster are February, January, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early February. For example, on the week of February 5th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early August with an average of 4 days of significant precipitation the week of July 30th.

When can you find snow in Foster? 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 Foster.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 13% 0 1.3
Feb 11% 0 1.1
Mar 16% 0 1.5
Apr 17% 0 1.2
May 27% 0 3.1
Jun 22% 0 2.8
Jul 31% 0 3.1
Aug 30% 0 3.4
Sep 26% 0 3.4
Oct 20% 0 2.3
Nov 17% 0 2.1
Dec 19% 0 1.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 13 0 3.3
Feb 11 0 2.8
Mar 16 0 3.8
Apr 17 0 3
May 27 0 7.9
Jun 22 0 7.1
Jul 31 0 7.9
Aug 30 0 8.6
Sep 26 0 8.6
Oct 20 0 5.8
Nov 17 0 5.3
Dec 19 0 4.8


Humidity and Wind

Foster has some very humid months, and above average humidity throughout the year. The least humid month is January (64.7% relative humidity), and the most humid month is June (79.9%).

Wind in Foster is usually moderate. The windiest month is January, followed by November and October. January’s average wind speed of around 10.2 knots (11.8 MPH or 19 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 early August where average top sustained speeds reach 20.5 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 10.2 Gentle breeze 16.6 Significant breeze
Feb 9.8 Gentle breeze 15.2 Significant breeze
Mar 8.5 Gentle breeze 14.3 Significant breeze
Apr 7.2 Gentle breeze 13 Significant breeze
May 8.6 Gentle breeze 13.8 Significant breeze
Jun 7 Gentle breeze 11.6 Significant breeze
Jul 9.5 Gentle breeze 15.3 Significant breeze
Aug 9.2 Gentle breeze 15.4 Significant breeze
Sep 8.7 Gentle breeze 15.3 Significant breeze
Oct 10 Gentle breeze 16.8 Significant breeze
Nov 10.1 Gentle breeze 16.7 Significant breeze
Dec 9.4 Gentle breeze 16.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 64.7%
Feb 69.1%
Mar 66.8%
Apr 70.6%
May 73.9%
Jun 79.9%
Jul 75.9%
Aug 76.1%
Sep 74.6%
Oct 69.5%
Nov 69.8%
Dec 68%


Is it Safe to Travel to Foster?

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 Foster, VC, Australia is January, followed by July and March. 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 Foster in May. 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 81.2 in May means 81.2% of the tourists vs. January.



Overall Foster Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 78.7°F (25.9°C) and 60.7°F (15.9°C) with colder temperatures in the later months. Rain is somewhat common with 5 to 8 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 Foster, so lodging and other accommodations may cost slightly more.

Spring (September through November)

Spring daily highs range from 69.6°F (20.9°C) and 60.5°F (15.8°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 8 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 Foster to be enjoyable for warm weather travelers. The average high during this season is between 78.5°F (25.8°C) and 69°F (20.6°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are the busiest with tourists.


Best Times to TravelAustralia › Foster, VC, Australia