Townsville weather in March

In March, Townsville has daytime highs averaging 30 °C, nights around 23 °C, with 12 wet days, and a sea temperature of 28 °C. Figures are 1991–2020 climate normals.

  1. Jan 27°
  2. Feb 27°
  3. Mar 26°
  4. Apr 25°
  5. May 22°
  6. Jun 20°
  7. Jul 19°
  8. Aug 20°
  9. Sep 23°
  10. Oct 25°
  11. Nov 26°
  12. Dec 27°

Daily temperatures through March

20°27°33°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 30.3 °C and lows bottom out at 22.8 °C.

How March develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 March29.9 °C23.9 °C50 %
11–20 March29.6 °C23.3 °C38 %
21–31 March29.4 °C23.2 °C34 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in March. Wettest date over the 30 years: March 3, at 60 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical March Share of the month
Days above 25 °C 31 of 31 99 %
Days above 30 °C 11 of 31 36 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 12 of 31 40 %

Conditions in March

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 19 °C
Relative humidity 76 %
Wind speed 16 km/h
Cloud cover 58 %

March compared with the months around it

Month Avg high Rainfall Cloud
January 30.7 °C 212 mm 65 %
February 30.2 °C 225 mm 64 %
March 29.6 °C 126 mm 58 %
April 28.4 °C 51 mm 46 %
May 26.2 °C 29 mm 46 %

See all twelve months for Townsville

Nearby destinations in March

Destination Avg high Wet days Sea
Townsville 30 °C 12 28
Cairns 28 °C 18 28

QuestionsMarch in Townsville, answered

How warm is Townsville in March?

Daily highs average 30 °C and nights fall to about 23 °C, a spread of 6.2 °C between afternoon and dawn. That makes March the 4th warmest month of the year here.

Does it rain much in Townsville in March?

March averages 126 mm of rain, spread over about 12 of the 31 days — 40 % of the month. Cloud cover averages 58 % of the sky.

Is the sea warm enough to swim in March?

The sea averages 28 °C off Townsville in March. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in March?

Townsville averages 12 hours between sunrise and sunset in March. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.