What is the best time to visit Karratha?

Based on our Comfort Score analysis, July is the best month to visit Karratha, Western Australia, scoring 8.4 out of 10 for pleasant weather conditions.

What is the Comfort Score for Karratha?

Karratha has an annual Comfort Score of 3.8/10, based on temperature, humidity, rainfall, UV exposure, and sunshine hours throughout the year.

What is the hottest month in Karratha?

February is the hottest month in Karratha with average daily highs reaching 38.8 degrees Celsius. The city records about 164 days above 35 degrees per year.

Karratha Weather and Climate

Western Australia, Australia (20.74°S, 116.85°E, 31m elevation) Tropical savanna (Aw)

3.8/10

Challenging comfort year-round

Best month: July (8.4/10). Ranked #199 of 213 Australian cities. The RefDat Comfort Score weighs temperature, humidity, rainfall, and sunshine into a single 1-to-10 rating for how pleasant a climate actually feels.

How the score works →

Climate Dashboard

Comfort, seasonality and national benchmarks in one view.

Monthly Comfort Score

July is the sweet spot

July: 8.4/10. January: 1.0/10. Annual score 3.8/10, ranked #199 of 213 Australian cities.

Against national averages

Annual benchmarks

Temperature range

22.9 - 34.0°C

Days 10.2 degrees warmer; nights 8.6 degrees warmer

Annual rainfall

181mm

79% below national avg; national avg 876mm

Rain days

24 days/yr

81 fewer rain days than national avg

Solar exposure

22.9 MJ/m²

4.6 MJ/m² above national avg

Humidity

28%

20 points below national avg

Seasonal pattern

Four-season readout

Summer1.0/10

27.3 - 38.3°C

15mm rain

Autumn3.8/10

23.3 - 33.9°C

88mm rain

Winter7.9/10

16.6 - 28.2°C

41mm rain

Spring2.6/10

24.3 - 35.8°C

36mm rain

Temperature

February has the warmest afternoons at 38.8 degrees. July has the coolest nights at 15.7 degrees.

Rainfall

181mm falls across 24 rain days. April is wettest (61mm), January driest (0mm), so rainfall is relatively even month to month.

Comfort window

July scores 8.4/10 and is the best month for pleasant weather. January is the hardest month at 1.0/10.

Planning cue

Use the comfort chart first if you are timing a visit. Use the benchmark bars when you want to compare Karratha with the national climate baseline.

Monthly Climate Averages

Month	Max °C	Min °C	Rain mm	Rain Days	Solar MJ	Humidity %	Comfort

Weather by Month

Detailed climate data, packing advice, and what to expect for each month in Karratha.

January1.0/10Challenging37.3°C max, 0mm rain February1.0/10Challenging38.8°C max, 6mm rain March2.1/10Challenging36.1°C max, 20mm rain April3.7/10Challenging34.0°C max, 61mm rain May5.6/10Variable31.5°C max, 7mm rain June8.3/10Excellent27.1°C max, 28mm rain July8.4/10Excellent27.6°C max, 0mm rain August6.9/10Good29.8°C max, 13mm rain September5.0/10Variable32.7°C max, 33mm rain October1.9/10Challenging36.6°C max, 0mm rain November1.0/10Challenging38.2°C max, 3mm rain December1.0/10Challenging38.7°C max, 10mm rain

Compare and Explore

Karratha vs Sydney Karratha vs Melbourne Karratha vs Brisbane Karratha vs Perth Best Time to Visit Climate Trends Australian winter weather

Similar Climates

If you like Karratha's climate, you might also consider:

Mataranka
Northern Territory - Comfort 3.8/10 Katherine
Northern Territory - Comfort 3.6/10 Weipa
Queensland - Comfort 3.5/10 Bruny Island
Tasmania - Comfort 4.1/10