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Sydney in April: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Sydney in April will be like? Take a look at our weather guide for Sydney, based on historical data.
Check flight prices to Sydney on Avionero:
April

Weather in Sydney in April 2025

Good Weather
Mild
🌧️
Rainy
🌊
Comfortable water
Planning a trip to Sydney in April? You are in luck! The weather is generally good, with an average maximum temperature of +22°C and approximately 9 sunny days. Just be prepared for some rain, as there are usually around 15 rainy days and 83 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • April is usually the wettest month of the year in Sydney;

Average weather

☀️
+22°C
Avg. max. temperature
+7°C
Min.
+34°C
Max.
83 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
9 ☀️
Sunny Days
5 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Sydney has good weather in April.

Average temperature in Sydney in April

Here are the expected maximum, average and minimum temperatures in Sydney for April based on the historical data.
Last Year
Historical Data

Going from a maximum of +27°C during the day to a minimum of +10°C during the night, the temperature in April averages around +22°C.

The average maximum temperature goes up 12% by the end of the month, compared with the beginning of the month, from +18°C to +20°C.

Is Sydney warm or cold in April?

Sydney is typically mild in April.

Maximum temperatures go down compared to the previous month from +24°C to +22°C. The minimum temperature also goes down from +18°C to +15°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how April is compared to other months in Sydney:

Water temperature in Sydney in April

Water in Sydney in April is Comfortable. It varies from +21°C to +25°C, with an average of +23°C. Note that the air temperature is lower than the water temperature, averaging around +22°C.

In April, 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 +24°C. The coldest water temperatures are in September, with an average of +19°C.

Can you swim in Sydney in April?

The water in Sydney in April is pretty comfortable (+23°C in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Don’t forget a large beach towel or two for drying off.

Climate in Sydney in April

Sydney weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+24°C+22°C+19°C
Min. temperature
+11°C+7°C+6°C
Max. temperature
+39°C+34°C+28°C
Rainfall
106 mm83 mm74 mm
Wind
4 m/s3 m/s3 m/s
Avg. water temperature
+24°C+23°C+21°C
Humidity
72%72%71%
Air pressure
1016 HPa1018 HPa1019 HPa
Sunny days
6911
Cloudy days
556
Rainy days
181513
Snowy days
000

April weather is still as good as in March. It’s getting colder in April. From +24°C in the day, the average maximum temperature lowers to +22°C. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 106 mm to 83 mm. Humidity levels don’t change as the month goes on, averaging around 72%. Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average. The good news is there are likely to be more sunny days in April, from 6 to 9.

May brings much the same weather, it remains good.

Wind

Wind speed in Sydney in April 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 April, going from 5 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Sydney based on historical data.
Last Year
Historical Data
Typically, there is a 60% chance of rain on an average day in April, with total rainfall of approximately 174 mm. The maximum amount of rainfall per day is around 48 mm, which is moderate rain. April is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
April is one of the rainiest months in Sydney, here is a comparison with other months, 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 April in Sydney?

This is the weather in Sydney in April 2023:
1 April
🌧️
+18°C
2 April
🌧️
+18°C
3 April
☁️
+22°C
4 April
🌧️
+24°C
5 April
☁️
+24°C
6 April
☀️
+23°C
7 April
🌧️
+24°C
8 April
☀️
+24°C
9 April
☀️
+21°C
10 April
☀️
+20°C
11 April
☀️
+22°C
12 April
🌧️
+22°C
13 April
🌧️
+22°C
14 April
🌧️
+20°C
15 April
☀️
+25°C
16 April
☀️
+25°C
17 April
☀️
+21°C
18 April
☀️
+21°C
19 April
☀️
+25°C
20 April
🌧️
+18°C
21 April
🌧️
+22°C
22 April
🌧️
+20°C
23 April
🌧️
+22°C
24 April
🌧️
+22°C
25 April
☀️
+23°C
26 April
☁️
+22°C
27 April
☀️
+24°C
28 April
☀️
+27°C
29 April
🌧️
+18°C
30 April
☀️
+20°C
In April 2023 Sydney had 14 sunny days, 3 cloudy days, and 13 rainy days. The average maximum temperature was +22°C, with an absolute maximum of +27°C and a minimum of +18°C. The average humidity was 75%, with a maximum of 100% and a minimum of 40%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change over Years

This is how Sydney climate have been changing during last 43 years period.

The climate in Sydney in April has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+20°C) and the highest in 2019 (+23°C). 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 April:

Is April a good time to visit Sydney?

April 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 April?

April 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 April?

Yes, the water temperature in Sydney in April is considered moderate and enjoyable for most people, averaging around +23°C.

Is Sydney rainy in April?

Sydney is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Sydney in April?

Usually, it’s not very sunny in Sydney in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Australia

Check out the weather for other cities in Australia.

Monthly weather in Sydney

Source of the data

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.