Weather in Griffith in May

Prime time. May is about as good as Griffith gets. Highs average 19.4 °C, lows 7.5 °C, and rain falls on 4 days — nothing in the month is working against you.

May ranks 4 of 12 in Griffith: past the worst of the year but short of April, which is the month to book if the dates are open.

Rain falls on only 4 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average May reaches 30 °C. Across the twenty years measured, the hottest May day reached 29.5 °C and the coldest night fell to 0.6 °C, and the wettest single day dropped 25 mm — roughly 100% of the month's rain in one day.

May is moderately variable: 2 mm in the driest year against 58 mm in the wettest, around an average of 25 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 8.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 69%.

How May sits in the year

The month is on the way down: 5.4 °C cooler than April, with June dropping another 3.7 °C. The first week and the last are not the same trip.

Daylight in May

May sits at the dark end of Griffith's year — 10.4 hours of daylight against 14.4 at midsummer, losing 0.7 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

With no coast nearby, the year swings a fair way — 31.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

May in Griffith versus nearby

If Griffith is one option among several, the nearby comparison is worth making. Wodonga is the weaker option in May — 2 °C cooler, 3 days more rain. Canberra is the weaker option in May — 3.1 °C cooler, 2 days more rain.

So: May is effectively as good as it gets here — 2 points behind April, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Griffith

See all twelve months in Griffith, or where else to go in May.