Best time to visit Mount Isa

Q: When is the best time to visit Mount Isa?

The best time to visit Mount Isa is July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which is the hottest month in Mount Isa?

The hottest time of year in Mount Isa is normally January. Expect maximum daytime temperatures to reach 36°C with very high heat and humidity.

Q: Which month has the most rain in Mount Isa?

In terms of rainfall, January is usually the wettest month in Mount Isa with 97mm on average. There are normally 10 days in January with some rain.

Q: When is it sunniest in Mount Isa?

The sunniest time of year in Mount Isa is normally August with bright sunshine on average for 88% of daylight hours; that's 10 hours of sunshine per day.

Find the best time to visit Mount Isa and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Mount Isa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Queensland

Travelbag: Latest holiday sale offers worldwide

Sale

Explore latest sale offers on holidays in 2025/2026
Filter deals by continent, star rating & holiday type
Including Dubai, Caribbean, North America, Asia & Pacific

Go to Travelbag deal >>

View all Travelbag offers

Holiday deal finder

Destination

When is the best time to visit Mount Isa?

The best time to visit Mount Isa is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

2.5
Jan
2.5
Feb
2.5
Mar
4
Apr
4.5
May
4.5
Jun
5
Jul
5
Aug
4
Sep
2.5
Oct
2.5
Nov
2.5
Dec

Change criteria

Max Day Temperature (°C)

36
Jan
35
Feb
34
Mar
31
Apr
27
May
24
Jun
24
Jul
26
Aug
30
Sep
34
Oct
36
Nov
37
Dec

Hours of Sunshine (daily)

9
Jan
9
Feb
9
Mar
9
Apr
9
May
9
Jun
10
Jul
10
Aug
10
Sep
10
Oct
10
Nov
10
Dec

Which is the hottest month in Mount Isa?

The hottest time of year in Mount Isa is normally January. Expect maximum daytime temperatures to reach 36°C with very high heat and humidity.

Which month has the most rain in Mount Isa?

In terms of rainfall, January is usually the wettest month in Mount Isa with 97mm on average. There are normally 10 days in January with some rain.

When is it sunniest in Mount Isa?

The sunniest time of year in Mount Isa is normally August with bright sunshine on average for 88% of daylight hours; that's 10 hours of sunshine per day.