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

Dee Why in July

The short of it: Dee Why in July averages a high of 18 °C (64 °F) and a low of 9 °C (48 °F), with 77 mm (3.0 in) of rain and about 10 h 7 min of daylight. Rated 3 of 5 for a visit; the best months are April and November. Source: TerraClimate climate normals, 1991–2020.

Average high 18° · low 9° · rain 77 mm · daylight 10 h 7 min

✦✦✦ Fair for a visit · best months: April & November

July in Dee Why brings afternoons near 18° and nights around 9°, with about 77 mm of rain over the month. The dead of winter in Dee Why: highs scarcely reach 18°, nights fall to 9°. Wet spells are common — about 77 mm, the 10th wettest month.

The sun is up for about 10 h 7 min in mid-July.

For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates July 3 of 5 for a visit; the finest months here are April and November.

Against its neighbours, Dee Why runs warmer than most and wetter than most in July. Manly, 5 km to the S, sees much the same highs.

July in Dee Why, by the numbers

Warmth rank
12th warmest of 12
Rain rank
10th wettest of 12
Versus June
1° colder, 64 mm less rain
Versus August
1° colder
Day–night spread
9°
Snow season
seldom any
Daylight, mid-month
10 h 7 min
Average wind
14 km/h

Neighbouring Towns

July averages · distance by the crow’s flight
TownDistanceHighLowRain
ManlyNew South Wales5 km S17°9°80 mm
PittwaterNew South Wales10 km N17°9°72 mm
MosmanNew South Wales11 km SSW17°9°76 mm
ChatswoodNew South Wales11 km WSW17°8°71 mm
Saint IvesNew South Wales12 km W17°7°65 mm
Sydney Central Business DistrictNew South Wales15 km SSW18°8°70 mm
SydneyNew South Wales15 km SSW18°8°70 mm
Surry HillsNew South Wales16 km SSW17°8°78 mm

The Almanac · Dee Why Month by Month

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

The dead of winter in Dee Why: highs scarcely reach 18°, nights fall to 9°. Wet spells are common — about 77 mm, the 10th wettest month.

Climate of Dee Why by month
MonthHighLowRainWindDaylightVisit
January26°19°122 mm14 km/h14 h 9 min✦✦✦
February26°19°154 mm13 km/h13 h 21 min✦✦✦
March25°18°144 mm13 km/h12 h 23 min✦✦✦
April23°15°112 mm12 km/h11 h 17 min✦✦✦
May21°12°99 mm13 km/h10 h 24 min✦✦✦
June18°10°141 mm12 km/h9 h 55 min✦✦✦
July18°9°77 mm14 km/h10 h 7 min✦✦✦
August18°9°79 mm14 km/h10 h 53 min✦✦✦
September20°11°74 mm14 km/h11 h 56 min✦✦✦
October22°14°75 mm13 km/h13 h 0 min✦✦✦
November23°16°93 mm14 km/h13 h 56 min✦✦✦
December25°17°90 mm14 km/h14 h 23 min✦✦✦

Questions Readers Ask about Dee Why in July

Answered from the wire & the Almanac

What is the weather like in Dee Why in July?

Days average 18 °C (64 °F) and nights 9 °C (48 °F), with about 77 mm (3.0 in) of rain over the month. The dead of winter in Dee Why: highs scarcely reach 18°, nights fall to 9°. Wet spells are common — about 77 mm, the 10th wettest month.

Is July a good time to visit Dee Why?

The Almanac gives July 3 of 5 (fair). The best months are April and November.

How long are the days in Dee Why in July?

In mid-July the sun is up for about 10 h 7 min. The days are lengthening — from 9 h 55 min in June to 14 h 23 min in December.

Does it snow in Dee Why in July?

Hardly — July nights average 9 °C (48 °F), above freezing.

What should I pack for Dee Why in July?

Layers, a warm coat and stout boots, plus a good raincoat — it is a wet month.

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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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