RefDat Weather

Katoomba

NSW, Australia · Monthly Weather Guide

Timing your visit to Katoomba carefully can dramatically improve your experience. We recommend visiting Katoomba during December:

During these months, the mercury stays in a comfortable zone, precipitation is scarce, and daylight hours and solar strength are optimal. Temperature averages hover around 18.5°C, which is ideal for outdoor activities.

May, june and july is when you'll face the toughest conditions. Avoid May, June and July unless you enjoy cold temperatures keep you indoors.

Across the full year, Katoomba records 1087mm of rainfall. The climate varies significantly from season to season, so choosing your visit dates based on the weather you prefer will make a real difference to your experience.

Use the month-by-month breakdown below to find the perfect window for your Katoomba visit.

Best Months to Visit

Best Time
December
Highest comfort scores
Best Month
December 6.6/10
Peak visiting conditions
Avoid
May, June and July
Lowest comfort scores
Annual Rainfall
1087mm
Total across all months

Month-by-Month Comfort Scores

Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine.

Monthly Climate Data

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

Seasonal Breakdown

Summer (Dec-Feb)
12.5°C to 23.7°C
Rainfall: 295mm | Average: 18.1°C
Autumn (Mar-May)
7.0°C to 16.9°C
Rainfall: 374mm | Average: 12.0°C
Winter (Jun-Aug)
2.1°C to 10.6°C
Rainfall: 204mm | Average: 6.3°C
Spring (Sep-Nov)
6.9°C to 17.9°C
Rainfall: 214mm | Average: 12.4°C

What to Pack

Based on Katoomba's best visiting months, here's what we recommend bringing:

A light sweater or jacket will handle temperature swings. Layers are your friend.

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