Planning a trip to Sydney in May? You are in luck! The weather is generally good, with an average maximum temperature of +66°F and approximately 11 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 74 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+66°F
Avg. max. temperature
+43°F
Min.
+82°F
Max.
74 mm
Total precipitation
71%
Avg. humidity
3 m/s
Avg. wind
11 ☀️
Sunny Days
6 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Sydney has good weather in May.
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Average temperature in Sydney in May
Here are the expected maximum, average and minimum temperatures in Sydney for May based on the historical data.
Last Year
Historical Data
Going from a maximum of +75°F during the day to a minimum of +43°F during the night, the temperature in May averages around +66°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +70°F to +70°F.
Is Sydney warm or cold in May?
Sydney is typically mild in May.
Maximum temperatures go down compared to the previous month from +72°F to +66°F. The minimum temperature also goes down from +59°F to +54°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Sydney:
Water temperature in Sydney in May
Water in Sydney in May is Comfortable. It varies from +67°F to +73°F, with an average of +70°F.Note that the air temperature is lower than the water temperature, averaging around +66°F.
In May, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Sydney are reached in February, when the average sea temperature rises to +75°F. The coldest water temperatures are in September, with an average of +65°F.
Can you swim in Sydney in May?
The water in Sydney in May is pretty comfortable (+70°F in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don’t forget a large beach towel or two for drying off.
Climate in Sydney in May
Sydney weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+72°F
+66°F
+63°F
Min. temperature
+45°F
+43°F
+37°F
Max. temperature
+93°F
+82°F
+75°F
Rainfall
83 mm
74 mm
63 mm
Wind
3 m/s
3 m/s
3 m/s
Avg. water temperature
+73°F
+70°F
+67°F
Humidity
72%
71%
71%
Air pressure
1018 HPa
1019 HPa
1019 HPa
Sunny days
9
11
12
Cloudy days
5
6
5
Rainy days
15
13
12
Snowy days
0
0
0
May weather is still as good as in April.It’s getting colder in May. From +72°F in the day, the average maximum temperature lowers to +66°F.As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 83 mm to 74 mm.It feels drier, as humidity decreases from 72% to 71%.The average wind speed doesn’t change much during May, staying around 3 m/s.The good news is there are likely to be more sunny days in May, from 9 to 11.
June brings much the same weather, it remains good.
Wind speed in Sydney in May based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Sydney is gradually decreasing during May, going from 4 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Sydney based on historical data.
Last Year
Historical Data
Typically, there is a 35% chance of rain on an average day in May, with total rainfall of approximately 65 mm. The maximum amount of rainfall per day is around 12 mm, which is considered light rain.May is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Sydney wettest month is March, where a typical day has a 58% chance of precipitation and 106 mm of rainfall per day. September, on the other hand, is the driest month with a mere 37% chance of precipitation and 46 mm of rainfall per day.
How was the weather last May in Sydney?
This is the weather in Sydney in May 2023:
1 May
☀️
+69°F
2 May
☀️
+72°F
3 May
☀️
+75°F
4 May
☀️
+69°F
5 May
☀️
+70°F
6 May
☀️
+70°F
7 May
🌧️
+59°F
8 May
☀️
+61°F
9 May
☀️
+66°F
10 May
☀️
+67°F
11 May
☀️
+69°F
12 May
☀️
+71°F
13 May
🌧️
+67°F
14 May
🌧️
+67°F
15 May
☀️
+68°F
16 May
☀️
+70°F
17 May
🌧️
+62°F
18 May
🌧️
+62°F
19 May
☀️
+65°F
20 May
☀️
+66°F
21 May
☀️
+67°F
22 May
☀️
+66°F
23 May
☀️
+66°F
24 May
☀️
+70°F
25 May
☀️
+69°F
26 May
☀️
+61°F
27 May
☀️
+64°F
28 May
☀️
+61°F
29 May
☀️
+70°F
30 May
☀️
+70°F
31 May
☀️
+69°F
In May 2023 Sydney had 26 sunny days, 0 cloudy days, and 5 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +75°F and a minimum of +59°F. The average humidity was 70%, with a maximum of 100% and a minimum of 37%. The average wind speed was 4 m/s, with a maximum of 17 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Sydney climate has changed over the last 43 years.
The climate in Sydney in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1992 (+68°F) and the highest in 2019 (+74°F). The driest year was 2006 with only 423 mm of rainfall, and the wettest year was 2022 with 2786 mm.
FAQ
Frequently asked questions about the weather in Sydney in May:
Is May a good time to visit Sydney?
May is a really good time to go to Sydney. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Sydney.
Can you sunbathe in Sydney in May?
May has mild temperatures in Sydney. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Sydney in May?
Yes, the water temperature in Sydney in May is considered moderate and enjoyable for most people, averaging around +70°F.
Is Sydney rainy in May?
Sydney is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Sydney in May?
The amount of sunny days in Sydney during May varies; prepare for a mix of clouds and sun.
Other cities in Australia
Check out the weather for other cities in Australia.
For this page, we’ve looked at the typical weather in Sydney, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
