Perth Weather: May
 |
Average Day Temperature: | 71.0°F |
|
Average Night Temperature: | 58.7°F |
|
Sea Water Temperature: | 70.2°F |
|
Number of Sunny Days: | 18 days |
| Sunshine Hours: | 10.2 - 10.9 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.8 in | |
| detailed information | ||
forecast
| Perth |
Temperature
| Perth |
Air Temperature in May, °F
The highest day temperature in May 2026 was 78°F. The lowest night temperature was 50°F. The average values for day and night temperatures during May were 70.4°F и 59.4°F respectivly.
Perth Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Perth was 68.3°F. The maximum and minimum values were 67.0°F and 70.6°F respectively.
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Perth is 1.8 in. It makes may one of the most rainy months of the year.
The average wind speed in May is 8.9 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Perth in May is 7.4 hours.
Perth on the Weather Map
| Adelaide |  |
+62 |
| Brisbane |  |
+68 |
| Cairns |  |
+80 |
| Canberra |  |
+60 |
| Darwin |  |
+88 |
| Fraser | |
+74 |
| Gold Coast | |
+72 |
| Melbourne | |
+62 |
| Perth | |
+58 |
| Sydney | |
+66 |
| Tasmania | |
+60 |
| 1200 |  |
58°F | NE 13 mph |
| 1500 | |
58°F | N 10 mph |
| 1800 | |
56°F | N 7 mph |
| 2100 | |
54°F | W 4 mph |
| 0000 | |
54°F | W 3 mph |
| 0300 | |
54°F | W 4 mph |
| 0600 | |
54°F | SW 2 mph |
| 0900 |  |
56°F | SW 5 mph |