The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Joondalup Weather in December

Joondalup in December

The short of it: Joondalup in December averages a high of 29 °C (83 °F) and a low of 16 °C (62 °F), with 9.0 mm (0.35 in) of rain and about 14 h 13 min of daylight. Rated 5 of 5 for a visit; the best months are October and November. Source: TerraClimate climate normals, 1991–2020.

Average high 29° · low 16° · rain 9.0 mm · daylight 14 h 13 min

✦✦✦✦✦ Recommended for a visit · best months: October & November

December in Joondalup brings afternoons near 29° and nights around 16°, with about 9.0 mm of rain over the month. Much like November: highs about 29°, nights near 16°. Easy travelling weather. It is the driest month of the year, only 9.0 mm of rain.

The sun is up for about 14 h 13 min in mid-December, 25 minutes more than a month before.

For the traveller: pack linen, a wide hat and water. The Almanac rates December 5 of 5 for a visit; the finest months here are October and November.

Against its neighbours, Joondalup runs cooler than most and wetter than most in December. Wanneroo, 3 km to the ESE, is 1° warmer by day.

December in Joondalup, by the numbers

Warmth rank
4th warmest of 12
Rain rank
12th wettest of 12
Versus November
3° warmer, 13 mm less rain
Versus January
2° colder
Day–night spread
12°
Snow season
seldom any
Daylight, mid-month
14 h 13 min
Average wind
22 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
WannerooWestern Australia3 km ESE29°16°9.0 mm
TappingWestern Australia4 km NE29°16°9.0 mm
Banksia GroveWestern Australia6 km NNE29°16°10 mm
HillarysWestern Australia7 km SSW28°17°8.0 mm
KingsleyWestern Australia8 km SSE29°16°9.0 mm
ClarksonWestern Australia8 km NNW29°16°9.0 mm
GreenwoodWestern Australia10 km SSE29°16°9.0 mm
DuncraigWestern Australia10 km S29°17°9.0 mm

The Almanac · Joondalup Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Recommended
The Almanac Speaks
December
✦✦✦✦✦

Much like November: highs about 29°, nights near 16°. Easy travelling weather. It is the driest month of the year, only 9.0 mm of rain.

Climate of Joondalup by month
MonthHighLowRainWindDaylightVisit
January31°18°23 mm21 km/h14 h 0 min✦✦✦✦
February31°19°15 mm21 km/h13 h 15 min✦✦✦✦
March29°18°22 mm19 km/h12 h 22 min✦✦✦✦
April26°15°32 mm16 km/h11 h 21 min✦✦✦✦✦
May22°12°77 mm15 km/h10 h 31 min✦✦✦
June19°11°119 mm16 km/h10 h 5 min✦✦✦
July18°10°132 mm17 km/h10 h 16 min✦✦✦
August19°10°108 mm15 km/h10 h 58 min✦✦✦
September20°11°72 mm17 km/h11 h 57 min✦✦✦
October23°12°44 mm19 km/h12 h 56 min✦✦✦✦✦
November26°14°22 mm21 km/h13 h 48 min✦✦✦✦✦
December29°16°9.0 mm22 km/h14 h 13 min✦✦✦✦✦

Questions Readers Ask about Joondalup in December

Answered from the wire & the Almanac

What is the weather like in Joondalup in December?

Days average 29 °C (83 °F) and nights 16 °C (62 °F), with about 9.0 mm (0.35 in) of rain over the month. Much like November: highs about 29°, nights near 16°. Easy travelling weather. It is the driest month of the year, only 9.0 mm of rain.

Is December a good time to visit Joondalup?

The Almanac gives December 5 of 5 (recommended). The best months are October and November.

How long are the days in Joondalup in December?

In mid-December the sun is up for about 14 h 13 min. These are the longest days of the year; the shortest, in June, last 10 h 5 min.

Does it snow in Joondalup in December?

Hardly — December nights average 16 °C (62 °F), above freezing.

What should I pack for Joondalup in December?

Linen, a wide hat, sun cream and water.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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