Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Australia

Whyalla weather & best time to visit

Sun, sea & sand

Whyalla at a glance

Best time
Nov – Apr
Warmest month
Jan · 33°
Warmest sea
Feb · 23.5°
Sunshine a year
2,880 h
Rain a year
252 mm
Climate
Subtropical
Time zone
UTC+10:30 / UTC+9:30
Elevation
20 m

Climate in Whyalla

Whyalla has a subtropical climate with warm summers and mild winters. January is the warmest month with average highs of 33 °C, while July is the coolest at 18 °C. With around 2,880 hours of sunshine a year, Whyalla is sunny; January is the sunniest month with 10.6 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Whyalla

The best time to visit Whyalla is from November to April. For a beach holiday – sea from 21 °C, warm and mostly dry – go from December to March. For sightseeing, day trips and hiking, conditions are most comfortable from April to October. The wettest month is November with 27 mm of precipitation.

Whyalla through the seasons

How the weather changes over the seasons, with averages for each.

Whyalla in spring

Sep – Nov

73

Good

  • 24–29 °C by day
  • Sea 17 °C
  • 8.6 h of sun a day
  • 13 rainy days in all

Whyalla in summer

Dec – Feb

91

Excellent

  • 31–33 °C by day
  • Sea 23 °C
  • 10.1 h of sun a day
  • 9 rainy days in all

Whyalla in autumn

Mar – May

75

Good

  • 22–30 °C by day
  • Sea 20 °C
  • 7.4 h of sun a day
  • 9 rainy days in all

Whyalla in winter

Jun – Aug

28

Poor

  • 18–20 °C by day
  • Sea 14 °C
  • 5.5 h of sun a day
  • 15 rainy days in all

Which month for what?

Beach & swimming

Dec – Mar

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – Oct

15–28 °C and not too much rain

Find your perfect month

Tell us what you like and we rate every month in Whyalla for you.

Swimming in the sea
Sunshine
Little rain

Your best months: February – March

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

75

Holiday weather in October

Good

Best time to visit: November – April

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 15°
  2. Midday, 13:00: about 25°
  3. Afternoon, 16:00: about 26°
  4. Evening, 20:00: about 20°
  5. Night, 23:00: about 16°

06:4019:31

Pleasant evenings; a light layer can help.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:24–07:13 · evening 18:58–19:46
Blue hour
Morning 06:15–06:24 · evening 19:46–19:56

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Whyalla compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs rise from about 25° at the start of the month to 27° at the end. The sea warms from 16° to 18°. The days get 1.0 h longer.

Early or late October?
October1 Oct31 Oct
Daytime high25°27°
Night-time low10°13°
Sea16°18°
Daylight12.4 h13.3 h

What is the weather like in Whyalla in October?

In October, Whyalla is warm: daytime highs average 26 °C, and nights cool down to about 11 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.8 hours a day. Rain is rare: about 4 days bring 22 mm in total. On about 9 days the thermometer climbs to 30 °C or more. All in all, October is a good month for a holiday in Whyalla.

More details for October

Daylight
12 h 51 min06:40 – 19:31
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
23 km/haverage daily peakAll months
Cloud cover
41 %on averageAll months
Hot days
9 days30 °C or moreAll months
Time zone
UTC+10:30offset from UTC

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %4 %
  • Sunshineweight 20 %97 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • A jumper for the evenings

Compare two months in Whyalla

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

March has the better holiday weather in Whyalla: score 94 against 75. In March, days are 4 °C warmer than in October. The sea is 5 °C warmer in March. March has one rainy day fewer.

October vs March, Whyalla
MonthOctoberMarch
Holiday weather score7594better
Daytime high26°30°
Night-time low11°16°
Sea17.3°22.7°
Sunshine8.8 h8.7 h
Rainy days43better
Rainfall22 mm13 mm
Muggy days0better1

Based on the climate averages 1996–2025.

Whyalla month by month

The typical weather for every month at a glance.

89January33° · Sea 23° · 10.6 h

In January, Whyalla is hot: daytime highs average 33 °C, and nights cool down to about 18 °C. The sea averages 23.2 °C – pleasant for swimming. With around 10.6 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 21 mm in total. On about 19 days the thermometer climbs to 30 °C or more. All in all, January is an excellent month for a holiday in Whyalla.

Whyalla in January
93February32° · Sea 24° · 10.1 h

In February, Whyalla is hot: daytime highs average 32 °C, and nights cool down to about 18 °C. The sea averages 23.5 °C – pleasant for swimming. With around 10.1 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 21 mm in total. On about 16 days the thermometer climbs to 30 °C or more. All in all, February is an excellent month for a holiday in Whyalla.

Whyalla in February
94March30° · Sea 23° · 8.7 h

In March, Whyalla is hot: daytime highs average 30 °C, and nights cool down to about 16 °C. The sea averages 22.7 °C – refreshing for a swim. The sun shines for around 8.7 hours a day. Rain is rare: about 3 days bring 13 mm in total. On about 13 days the thermometer climbs to 30 °C or more. All in all, March is an excellent month for a holiday in Whyalla.

Whyalla in March
82April26° · Sea 20° · 7.6 h

In April, Whyalla is warm: daytime highs average 26 °C, and nights cool down to about 13 °C. The sea averages 20.3 °C – refreshing for a swim. The sun shines for around 7.6 hours a day. Rain is rare: about 3 days bring 19 mm in total. On about 7 days the thermometer climbs to 30 °C or more. All in all, April is an excellent month for a holiday in Whyalla.

Whyalla in April
48May22° · Sea 18° · 5.9 h

In May, Whyalla is warm: daytime highs average 22 °C, and nights cool down to about 10 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.9 hours of sunshine a day. Rain is rare: about 4 days bring 16 mm in total. All in all, May is a so-so month for a holiday in Whyalla.

Whyalla in May
25June18° · Sea 15° · 4.8 h

In June, Whyalla is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 14.9 °C – swimming is only for the hardy. Expect around 4.8 hours of sunshine a day. Rain falls on about 5 days, adding up to 23 mm. All in all, June is not an ideal month for a holiday in Whyalla.

Whyalla in June
27July18° · Sea 13° · 5.3 h

In July, Whyalla is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 13.2 °C – swimming is only for the hardy. Expect around 5.3 hours of sunshine a day. Rain is rare: about 4 days bring 20 mm in total. All in all, July is not an ideal month for a holiday in Whyalla.

Whyalla in July
33August20° · Sea 13° · 6.3 h

In August, Whyalla is mild: daytime highs average 20 °C, and nights cool down to about 7 °C. The sea averages 13.2 °C – swimming is only for the hardy. Expect around 6.3 hours of sunshine a day. Rain falls on about 5 days, adding up to 21 mm. All in all, August is not an ideal month for a holiday in Whyalla.

Whyalla in August
61September24° · Sea 15° · 7.6 h

In September, Whyalla is warm: daytime highs average 24 °C, and nights cool down to about 9 °C. The sea averages 14.9 °C – swimming is only for the hardy. The sun shines for around 7.6 hours a day. Rain is rare: about 4 days bring 25 mm in total. All in all, September is a good month for a holiday in Whyalla.

Whyalla in September
75October26° · Sea 17° · 8.8 h

In October, Whyalla is warm: daytime highs average 26 °C, and nights cool down to about 11 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.8 hours a day. Rain is rare: about 4 days bring 22 mm in total. On about 9 days the thermometer climbs to 30 °C or more. All in all, October is a good month for a holiday in Whyalla.

Whyalla in October
83November29° · Sea 20° · 9.5 h

In November, Whyalla is hot: daytime highs average 29 °C, and nights cool down to about 14 °C. The sea averages 19.5 °C – bracing, so a wetsuit helps for longer swims. With around 9.5 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 27 mm in total. On about 12 days the thermometer climbs to 30 °C or more. All in all, November is an excellent month for a holiday in Whyalla.

Whyalla in November
91December31° · Sea 22° · 9.5 h

In December, Whyalla is hot: daytime highs average 31 °C, and nights cool down to about 16 °C. The sea averages 21.6 °C – refreshing for a swim. With around 9.5 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 26 mm in total. On about 15 days the thermometer climbs to 30 °C or more. All in all, December is an excellent month for a holiday in Whyalla.

Whyalla in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Whyalla

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°

CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.

The coolest nights are in July (7°), the warmest in January (18°). Nights are pleasant for sleeping (15 to 20 °C) from December to March. Nights fall below 8 °C on average from June to August, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 26°Night 11°Sea 17°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan8933°18°23.2°10.6 h321
FebruaryFeb9332°18°23.5°10.1 h221
MarchMar9430°16°22.7°8.7 h313
AprilApr8226°13°20.3°7.6 h319
MayMay4822°10°17.5°5.9 h416
JuneJun2518°7°14.9°4.8 h523
JulyJul2718°7°13.2°5.3 h420
AugustAug3320°7°13.2°6.3 h521
SeptemberSep6124°9°14.9°7.6 h425
OctoberOct7526°11°17.3°8.8 h422
NovemberNov8329°14°19.5°9.5 h527
DecemberDec9131°16°21.6°9.5 h426

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

33.03° S, 137.56° E · 20 m · Australia/Adelaide

Swimming calendar

Sea temperature in Whyalla

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October17.3°Cfresh

8 in 10 years: 16.5 – 18.2 °C

Swimming season: Dec – Apr

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 17.3°8 in 10 years 16.5° – 18.2°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Whyalla ranges from 13.2 °C in July to 23.5 °C in February. It is warm enough for a comfortable swim (20 °C and more) from December to April.

The sea warms up slowly: it is warmest in February, while the air already peaks in January. The sea temperature varies from year to year: in February, eight out of ten years were between 22.5 and 24.4 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan23.2°22.1°24.0°pleasant
FebruaryFeb23.5°22.5°24.4°pleasant
MarchMar22.7°21.8°23.6°refreshing
AprilApr20.3°19.5°21.0°refreshing
MayMay17.5°16.8°18.3°fresh
JuneJun14.9°14.3°15.5°cold
JulyJul13.2°12.8°13.6°cold
AugustAug13.2°12.8°13.9°cold
SeptemberSep14.9°14.3°15.7°cold
OctoberOct17.3°16.5°18.2°fresh
NovemberNov19.5°18.6°20.4°fresh
DecemberDec21.6°20.8°22.2°refreshing
Sunshine

Sunshine hours in Whyalla

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,880 hours
Sunniest month
Jan · 10.6 h a day
Least sunshine
Jun · 4.8 h a day
OctoberSunshine 8.8 hDaylight 12.9 hShare of daylight 68 %
SunshineDaylight

In October, the sun shines for about 8.8 of 12.9 hours of daylight in Whyalla, 68 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Whyalla: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
252 mm on 45 days
Wettest month
Nov · 27 mm
Driest month
Mar · 13 mm
OctoberRainy days 4Rainfall 22 mm

In October, Whyalla has about 4 rainy days with 22 mm of rain in total.

Sun protection

UV index in Whyalla

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
9 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.

The sun is strongest in December (UV 11).

Minutes until sunburn in October

Very fair skin
about 15 min
Fair skin
about 20 min
Light brown skin
about 25 min
Olive skin
about 35 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds

Wind and clouds in Whyalla

How breezy and how cloudy Whyalla is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
21 km/h · moderate breeze
Windiest month
Jan · 25 km/h
Calmest month
May · 17 km/h
OctoberWind 23 km/hBeaufort 4
20
WindBeaufort 4

In October, the wind in Whyalla typically peaks at 23 km/h during the day: Beaufort 4, moderate breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Aug – Mar.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
40 % · mostly sunny
Clearest month
Feb · 32 %
Cloudiest month
Jun · 48 %
OctoberCloud cover 41 %Sunshine 8.8 h

In October, cloud covers on average 41 % of the sky over Whyalla: mostly sunny, with about 8.8 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Whyalla

How often the day gets hot in Whyalla (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
95 days
Hottest month
Jan · 33 °C
Hot months
Dec – Feb

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 9Daytime high 26 °C

In October, Whyalla has about 9 hot days, with an average daytime high of 26 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Whyalla

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Whyalla in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Whyalla has its best school-holiday weather during the Christmas holidays (score 90) and its weakest during the summer holidays (score 31).

  • Easter holidays

    Mar – Apr

    86

    Excellent

    • 27 °C by day
    • Sea 21 °C
    • 7.9 h of sun a day
    • 3 rainy days a month
  • May half-term

    May – Jun

    43

    Fair

    • 21 °C by day
    • Sea 17 °C
    • 5.7 h of sun a day
    • 4 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    31

    Poor

    • 19 °C by day
    • Sea 13 °C
    • 5.9 h of sun a day
    • 5 rainy days a month

    Good for: Sightseeing & walks

  • October half-term

    Oct

    75

    Good

    • 26 °C by day
    • Sea 17 °C
    • 8.8 h of sun a day
    • 4 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    90

    ExcellentBest holidays

    • 32 °C by day
    • Sea 22 °C
    • 10.1 h of sun a day
    • 3 rainy days a month

    Good for: Beach & swimming

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 19 h 50 min
Distance
16,070 km
Time zone
UTC+10:30
Jet lag
About 10 days (10 h east)

Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.

Most routes need a change of planes, which adds time.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Compare & alternatives

Compare

Whyalla compared

Put Whyalla side by side with another destination.

Nearby:
Compare with home:

Whyalla vs Port Pirie

In October the holiday weather in Whyalla and Port Pirie is about equally good (score 75 vs 72). During the day Port Pirie is 2 °C cooler than Whyalla. The sea is about equally warm.

Whyalla vs Port Pirie, in October
in OctoberWhyallaPort Pirie
Holiday weather score7572
Daytime high26°24°
Sea17°17°
Sunshine9 h9 h
Rainy days45
Best timeNov – AprNov – Mar

Through the year

OctoberWhyalla 26°Port Pirie 24°
WhyallaPort Pirie
Go to Port Pirie
Ranking

Australia in October: the best places

In October, Whyalla ranks 21 among the 31 nearest destinations in this country.

  1. Broken Hill26°100
  2. 2Mildura26°100
  3. 3Griffith25°96
  4. 4Adelaide22°16°94
  5. 5Dubbo26°93
  6. 6Hahndorf21°92
  7. 7Shepparton22°92
  8. 8Horsham22°90
  9. 21WhyallaThis page26°17°75
All destinations: Australia

Near Whyalla

Other destinations close by.

Places with a climate like Whyalla

Destinations whose weather through the year is closest to Whyalla's – good alternatives.

  1. 68 % similar70CedunaAustralia25°17°Best time: Oct – Apr
  2. 65 % similar60Fray BentosUruguay24°19°Best time: Nov – Mar
  3. 60 % similar62MandurahAustralia22°18°Best time: Nov – Apr
  4. 59 % similar97PerthAustralia24°19°Best time: Apr – May, Sep – Nov

Frequently asked questions about Whyalla

When is the best time to visit Whyalla?

The best time to visit Whyalla is from November to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Whyalla?

The sea temperature in Whyalla ranges from 13.2 °C in July to 23.5 °C in February. It is warm enough for a comfortable swim (20 °C and more) from December to April.

Can you swim in Whyalla in October?

Only if you don't mind cold water: in October the sea averages just 17.3 °C. Comfortable swimming is possible from December to April.

What is the warmest month in Whyalla?

January is the warmest month, with average highs of 33 °C and nights around 18 °C. July is the coolest month at 18 °C.

When does it rain most in Whyalla?

The wettest month is November with 27 mm of precipitation. The driest month is March with 13 mm.

How many hours of sunshine does Whyalla get?

Whyalla gets around 2,880 hours of sunshine a year. The sunniest month is January with 10.6 hours a day; in June there are 4.8 hours a day.

What time zone is Whyalla in?

Whyalla is on UTC+10:30 in January and UTC+9:30 in July.

How long is the flight from London to Whyalla?

A nonstop flight from London to Whyalla takes about 19 h 50 min, for a straight-line distance of about 16,070 km. Most routes need a change of planes, which adds time.

Which school holidays are best for Whyalla?

Whyalla has its best school-holiday weather during the Christmas holidays (score 90) and its weakest during the summer holidays (score 31). Holiday ratings (0–100): Easter holidays 86, May half-term 43, summer holidays 31, October half-term 75, Christmas holidays 90.