Climate averages 1991–2020

Blue Mountains weather
in March.

A mild, wet month: the 5th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 19.9°C Daytime mean, March
Average low 10.8°C Night-time mean, March
Rainfall 115 mm 15 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Blue Mountains · average highYear overview

March is a mild month in Blue Mountains: daytime highs average 19.9°C and nights cool to about 10.8°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 115 mm of rain on roughly 15 days, which makes March a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average March day.

The nearest other city in this atlas is Sydney (83 km away). In March its highs average 23.6°C, 3.8°C warmer than Blue Mountains, with 81 mm of rain.

Among the 32 cities listed in Australia, Blue Mountains ranks 31st of 32 for the warmest March highs and 24th of 32 for the driest March (rainfall, lowest first). The mean March high of those 32 cities is 25.1°C; Blue Mountains is 5.2°C cooler than that mean.

From March to April, average highs fall by 3.1°C to 16.8°C, and monthly rainfall falls from 115 mm to 56 mm.

The annual picture

March in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Blue Mountains climate table

1991–2020
Monthly climate averages for Blue Mountains, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 23.6°C12.8°C12.8°C12615.514.114 h
February 22.2°C12.6°C12.6°C14815.413.313 h
March, selected 19.9°C10.8°C10.8°C11515.112.312 h
April 16.8°C7.7°C7.7°C569.111.311 h
May 13.3°C4.6°C4.6°C486.610.410 h
June 10.4°C2.7°C2.7°C627.710.010 h
July 9.9°C1.5°C1.5°C376.310.110 h
August 11.5°C1.8°C1.8°C466.710.911 h
September 15.0°C4.3°C4.3°C538.311.912 h
October 18.0°C6.6°C6.6°C7510.512.913 h
November 20.1°C8.9°C8.9°C10913.713.814 h
December 22.1°C11.0°C11.0°C12113.514.314 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from Blue Mountains

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Blue Mountains) is explained once on the Blue Mountains year overview and on the Sources, method and limits page.