Adelaide, Australia — Weather in January 2027

Climate Overview

Adelaide, Australia in January has hot conditions, with highs reaching 28.2°C (83°F) and afternoons the warmest part of the day. Temperatures drop noticeably between day and night. Sea temperature averages 23°C (73°F).

This month falls at the middle of Summer.

Temperatures remain fairly steady throughout January, with daily highs around 27°C (81°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 12.4h of sunshine at the start of January, decreasing to 11.5h by the end.

The warmest days tend to fall around the 11th, averaging 29.8°C (86°F).

Compared to December, this month is about 2°C warmer with 1 more rainy days.

Monthly January Averages

Temperature

28°C / 18°C

Feels Like

28°C / 16°C

Rain

4 days · 25 mm

Sunshine

12.1h / day

Humidity

55% — Moderate

Wind

24 km/h

Wind Direction

SSE (168°)

Gusts

40 km/h

Daylight

14.2 h

Cloud Cover

38%

Clear Sky Days

11.2

UV Index

8.8 — Very High

Sea Temperature

23°C

Dew Point

14°C — Comfortable

Moon Phase

First Quarter · 46%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:18

Daylight 14.2h

Sunset 20:33

What to Expect

Daytime temperatures around 28°C (83°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

Recent yearly records for January have stayed close to the long-run average.

Compare Months

2days (13 mm) Excellent

3days (14 mm) Excellent

3days (19 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	28°C / 18°C	28°C / 16°C	4days (25 mm) Good	12.1h Excellent	55% Moderate	8.8 Very High	Excellent	View Details
February best	27°C / 17°C	27°C / 16°C	2days (13 mm) Excellent	11.5h Excellent	56% Moderate	8.5 Very High	Excellent	View Details
March best	26°C / 16°C	25°C / 15°C	3days (14 mm) Excellent	10.7h Excellent	60% Moderate	7 High	Excellent	View Details
April	22°C / 14°C	20°C / 12°C	5days (25 mm) Good	9.2h Good	64% Muggy	5.1 High	Excellent	View Details
May	17°C / 11°C	15°C / 8°C	7days (44 mm) Good	8.3h Good	71% Muggy	3.6 Moderate	Good	View Details
June	15°C / 9°C	12°C / 6°C	9days (55 mm) Wet	7.5h Good	77% Humid	2.8 Moderate	Fair	View Details
July	14°C / 9°C	11°C / 5°C	10days (59 mm) Wet	7.8h Good	78% Humid	3 Moderate	Fair	View Details
August	15°C / 9°C	12°C / 6°C	10days (59 mm) Wet	8.7h Good	75% Muggy	4.2 Moderate	Fair	View Details
September	17°C / 10°C	15°C / 7°C	8days (45 mm) Wet	9.9h Good	70% Muggy	5.8 High	Good	View Details
October	20°C / 12°C	18°C / 9°C	7days (42 mm) Good	10.7h Excellent	65% Muggy	7.1 Very High	Good	View Details
November	23°C / 14°C	21°C / 11°C	7days (38 mm) Good	11.7h Excellent	62% Muggy	7.8 Very High	Good	View Details
December best	26°C / 16°C	25°C / 14°C	3days (19 mm) Excellent	12.3h Excellent	56% Moderate	8.7 Very High	Excellent	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesSandals

Frequently Asked Questions

Expand all

Is January a good time to visit Adelaide?

January is typically excellent for visiting Adelaide, with average highs of 28°C (83°F) and around 4 rainy days. Adelaide, Australia in January has hot conditions, with highs reaching 28.2°C (83°F) and afternoons the warmest part of

Does it rain a lot in Adelaide in January?

Adelaide typically sees around 4 rainy days in January with 25 mm (1 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Adelaide in January?

Evenings in Adelaide during January are mild at 18°C (64°F). A light cardigan is usually enough.

What should I pack for Adelaide in January?

With highs of 28°C (83°F) and lows of 18°C (64°F) in January, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. Comfortable walking shoes are essential.

Is January among the best months weather-wise in Adelaide?

Yes, January offers some of the best weather conditions in Adelaide with comfortable temperatures and lower chances of rain.

What is the UV index in Adelaide in January?

The average UV index in Adelaide during January is 9 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Adelaide in January?

Adelaide gets approximately 14 hours of daylight per day in January, with around 12 hours of sunshine.

Does it snow in Adelaide in January?

Snow is uncommon in Adelaide during January based on 10-year climate averages.

Last updated: