The best times to visit Jervis Bay for ideal weather are

April 9th to June 3rd

or

August 27th to November 4th

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

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Weather in Jervis Bay

Temperature

Average temperatures in Jervis Bay vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a chance of rain or snow throughout most of the year. The area is more temperate than most — in the 63rd 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 Jervis Bay, the hottest months are January, February, and then March. See average monthly temperatures below. The warmest time of year is generally late January and early February where highs are regularly around 77.5°F (25.3°C) with temperatures rarely dropping below 65.3°F (18.5°C) at night.

Jervis Bay Temperatures (Fahrenheit)

Key
High
Average
Low

Jervis Bay Temperatures (Celsius)

Key
High
Average
Low

“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.

Jervis Bay Perceived Temperature (F)

Key
High
Average
Low

Jervis Bay Perceived Temperature (C)

Key
High
Average
Low

 

Average Jervis Bay 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 77.1 70 64.4
Feb 75.7 69.7 64.6
Mar 74.5 68.3 62.7
Apr 69.7 64 58.4
May 65.9 60.2 54.3
Jun 61.5 56.4 51.3
Jul 60.2 54.6 48.8
Aug 62.6 56 49.5
Sep 66.5 59.2 52.2
Oct 70.4 62.6 55.5
Nov 72.5 65.3 59.2
Dec 74 67.2 61.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 25.1 21.1 18
Feb 24.3 20.9 18.1
Mar 23.6 20.2 17.1
Apr 20.9 17.8 14.7
May 18.8 15.7 12.4
Jun 16.4 13.6 10.7
Jul 15.7 12.6 9.3
Aug 17 13.3 9.7
Sep 19.2 15.1 11.2
Oct 21.3 17 13.1
Nov 22.5 18.5 15.1
Dec 23.3 19.6 16.4


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Jervis Bay are August, September, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late September. For example, on the week of September 24th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early April with an average of 3 days of significant precipitation the week of April 2nd.

When can you find snow in Jervis Bay? 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.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Jervis Bay.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 19% 0 3.9
Feb 29% 0 6.3
Mar 21% 0 5.5
Apr 33% 0 5.6
May 17% 0 3.9
Jun 30% 0 7.5
Jul 19% 0 4.2
Aug 16% 0 2.4
Sep 16% 0 2.5
Oct 21% 0 3.1
Nov 24% 0 3.8
Dec 22% 0 3.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 19 0 9.9
Feb 29 0 16
Mar 21 0 14
Apr 33 0 14.2
May 17 0 9.9
Jun 30 0 19.1
Jul 19 0 10.7
Aug 16 0 6.1
Sep 16 0 6.4
Oct 21 0 7.9
Nov 24 0 9.7
Dec 22 0 7.9

 

Humidity and Wind

Jervis Bay has some very humid months, with other comfortably humid months. The least humid month is August (56.1% relative humidity), and the most humid month is February (73.7%).

Wind in Jervis Bay is usually moderate. The windiest month is November, followed by December and January. November’s average wind speed of around 9.8 knots (11.3 MPH or 18.2 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 mid to late November where average top sustained speeds reach 15.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
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 9.7 Gentle breeze 14.9 Significant breeze
Feb 9.4 Gentle breeze 14 Significant breeze
Mar 8.8 Gentle breeze 13.3 Significant breeze
Apr 8.3 Gentle breeze 12.3 Significant breeze
May 7.8 Gentle breeze 11.4 Significant breeze
Jun 8.5 Gentle breeze 12.4 Significant breeze
Jul 8.7 Gentle breeze 12.6 Significant breeze
Aug 8.8 Gentle breeze 13.3 Significant breeze
Sep 9.2 Gentle breeze 14 Significant breeze
Oct 9.4 Gentle breeze 14.3 Significant breeze
Nov 9.8 Gentle breeze 15 Significant breeze
Dec 9.8 Gentle breeze 14.9 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 71.4%
Feb 73.7%
Mar 69.6%
Apr 66.7%
May 61.2%
Jun 63.7%
Jul 59.1%
Aug 56.1%
Sep 58.1%
Oct 62.2%
Nov 70.3%
Dec 69.8%

 

Is it Safe to Travel to Jervis Bay?

Our best data indicates this area is generally safe. As of Jan 18, 2018 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


 

The Busiest and Least Crowded Months

The busiest month for tourism in Jervis Bay, NW, AU is June, followed by January and September. 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 Jervis Bay in March. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
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 27 in March means 27% of the tourists vs. June.



Overall Jervis Bay Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 75.4°F (24.1°C) and 63.6°F (17.6°C) with colder temperatures in the later months. Rain is somewhat common with 5 to 10 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 comfortably cool weather with high temperatures that are brisk. These months see moderate precipitation with 5 to 9 days of precipitation per month. June – August is the busiest season for tourism in Jervis Bay, so lodging and other accommodations may cost more than usual.

Spring (September through November)

Spring daily highs range from 73.7°F (23.2°C) and 63.4°F (17.4°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 7 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 Jervis Bay to be enjoyable for warm weather travelers. The average high during this season is between 77.5°F (25.3°C) and 73.5°F (23.1°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are the second busiest with tourists.

 

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