Weather in Canberra in May
Australia · 20-year averages, May
A good month. May is a solid month to be in Canberra. Highs average 16.3 °C, lows 5.8 °C, and rain falls on 6 days — nothing in the month is working against you.
May ranks 6 of 12 in Canberra: 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 6 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 16.3 °C days and 5.8 °C nights; the spread matters more here than any single number.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest May day reached 24.3 °C and the coldest night fell to 0 °C, and the wettest single day dropped 35 mm — roughly 113% of the month's rain in one day.
May is moderately variable: 10 mm in the driest year against 107 mm in the wettest, around an average of 31 mm. Roughly two Mays in three land near that average, and the third does something else entirely.
Wind is light at 3.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, high enough to notice on the warm days without dominating them.
How May sits in the year
The month is on the way down: 4.4 °C cooler than April, with June dropping another 3.6 °C. The first week and the last are not the same trip.
Daylight in May
May sits at the dark end of Canberra's year — 10.3 hours of daylight against 14.5 at midsummer, losing 0.8 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 — 27.5 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Shoulder. The value months — prices ease off and you get the place closer to itself. May is the value pick for Canberra: it scores within 9 points of April without carrying April's prices.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
May in Canberra versus nearby
If Canberra is one option among several, the nearby comparison is worth making. Katoomba is close enough to be a coin toss — 2.1 °C cooler, the same number of rain days. Bathurst is close enough to be a coin toss — within a degree on temperature, 1 day less rain.
So: May works, with April the better month by 9 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Canberra
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 30.4 | 15 | 9 | 58 | 60 | 14.3 | 69 |
| February | 27.8 | 14.5 | 11 | 92 | 68 | 13.4 | 75 |
| March | 24.8 | 12.5 | 10 | 68 | 70 | 12.4 | 81 |
| April | 20.7 | 9.6 | 8 | 41 | 73 | 11.2 | 86 |
| May | 16.3 | 5.8 | 6 | 31 | 77 | 10.3 | 77 |
| June | 12.7 | 4.2 | 10 | 65 | 84 | 9.8 | 58 |
| July | 12 | 2.9 | 9 | 46 | 83 | 10 | 59 |
| August | 13.3 | 2.9 | 9 | 53 | 78 | 10.8 | 63 |
| September | 17.1 | 5.3 | 8 | 47 | 72 | 11.8 | 77 |
| October | 20.8 | 7.8 | 9 | 58 | 67 | 12.9 | 83 |
| November | 24.6 | 10.8 | 10 | 75 | 64 | 14 | 81 |
| December | 27.1 | 12.7 | 10 | 71 | 61 | 14.5 | 81 |
See all twelve months in Canberra, or where else to go in May.
Planning the rest of the trip
- Where to eat & stay in Canberra every café, restaurant and hotel
- Flight time to Canberra how long you are actually in the air
- Canberra time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Canberra keep training while you are there