South Australia Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in South Australia, Australia in May.

Thinking about venturing to South Australia, Australia this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in South Australia in May

South Australia, Australia is a region in Australia. May in South Australia generally has temperatures that range from mild to warm, with precipitation levels ranging from low to moderate.

Temperatures

During the day the temperature is mild in Mount Gambier at 17°C (63°F) and warm in Coober Pedy at 23°C (73°F). As night falls, temperatures generally drop to 10°C (50°F) in Coober Pedy and 10°C (50°F) in Mount Gambier.

To explore the conditions in South Australia, Australia in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From low rainfall in Coober Pedy with an average of 13 mm (0.5 in) to moderate rainfall in Millicent with 67 mm (2.6 in).

Average sunshine

Sunshine is fairly consistent across many areas. Adelaide receives about 166 hours of sunlight in May, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore South Australia by month

Pick a month to see the average temperature, rainfall and sunshine in South Australia — and find the best time to visit. (based on Adelaide)

Best Places to Visit in South Australia in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Australia.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in South Australia

What is the weather like in May for some of the most popular destinations in South Australia, Australia?

Temperature range in South Australia (May)

Precipitation variation in South Australia (May)

Adelaide

In May Adelaide generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
22°C (72°F)
18°C (64°F)
16°C (61°F)
Min temperature
13°C (55°F)
11°C (52°F)
9°C (48°F)
Monthly sun hours
218 hours
166 hours
140 hours
Monthly rainfall
39 mm (1.5 in)
53 mm (2.1 in)
63 mm (2.5 in)
Monthly rainy days
6 days
8 days
8 days
Weather conditions

Victor Harbor

In May Victor Harbor generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
21°C (70°F)
18°C (64°F)
16°C (61°F)
Min temperature
13°C (55°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
218 hours
166 hours
140 hours
Monthly rainfall
35 mm (1.4 in)
47 mm (1.9 in)
54 mm (2.1 in)
Monthly rainy days
6 days
8 days
9 days
Weather conditions

Clare

In May Clare generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
24°C (75°F)
19°C (66°F)
16°C (61°F)
Min temperature
11°C (52°F)
8°C (46°F)
6°C (43°F)
Monthly rainfall
31 mm (1.2 in)
34 mm (1.3 in)
43 mm (1.7 in)
Monthly rainy days
5 days
7 days
8 days
Weather conditions

McLaren Vale

In May McLaren Vale generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
21°C (70°F)
18°C (64°F)
15°C (59°F)
Min temperature
13°C (55°F)
11°C (52°F)
9°C (48°F)
Monthly sun hours
218 hours
166 hours
140 hours
Monthly rainfall
41 mm (1.6 in)
62 mm (2.4 in)
76 mm (3 in)
Monthly rainy days
6 days
8 days
8 days
Weather conditions

Port Elliot

In May Port Elliot generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
21°C (70°F)
18°C (64°F)
16°C (61°F)
Min temperature
12°C (54°F)
11°C (52°F)
9°C (48°F)
Monthly sun hours
218 hours
166 hours
140 hours
Monthly rainfall
35 mm (1.4 in)
45 mm (1.8 in)
52 mm (2 in)
Monthly rainy days
6 days
8 days
8 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in South Australia, in Australia.

Popular cities in May

Day & night temperatures, rainfall and average weather in South Australia in May.

City Weather Day temp Night temp Rainfall
Adelaide 18°C (64°F) 11°C (52°F) 53 mm (2.1 in)
Victor Harbor 18°C (64°F) 11°C (52°F) 47 mm (1.9 in)
Clare 19°C (66°F) 8°C (46°F) 34 mm (1.3 in)
McLaren Vale 18°C (64°F) 11°C (52°F) 62 mm (2.4 in)
Port Elliot 18°C (64°F) 11°C (52°F) 45 mm (1.8 in)
Hahndorf 18°C (64°F) 9°C (48°F) 48 mm (1.9 in)

South Australia weather in May: frequently asked questions

What is the weather like in South Australia, Australia in May?

May in South Australia, Australia brings pleasant weather. In Adelaide, daytime temperatures are typically around 18°C (64°F) and nighttime lows hover near 11°C (52°F).

What is the average temperature in South Australia, Australia in May?

Adelaide averages a daytime maximum of 18°C (64°F) in May, with overnight lows close to 11°C (52°F).

Does South Australia, Australia get a lot of rain in May?

Not particularly. Adelaide averages just 53 mm (2.1 in) of rain in May, making it a mostly dry month for South Australia, Australia.

Is May a Good Time to Visit South Australia, Australia?

Given the typically pleasant weather conditions in Adelaide, May might be a good time to visit South Australia, Australia. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit South Australia, Australia is in January, February, March, April, October, November and December with generally perfect weather in Adelaide. The weather in June, July and August, on the other hand, tends to be tolerable.

Interested in more climate information?

We have much more information about the climate in South Australia.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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