New South Wales (Sydney)
May
Weather in New South Wales for May 2026
Your guide to New South Wales weather in May - trends and predictions
Until now, May 2026 in New South Wales has been nearly identical to the historical average, with a temperature of 20.2 °C (showing only a slight deviation of 0.3 °C).
Expect cooler weather in the next days in New South Wales with the forecast suggesting a temperature of 18.1 °C, lower than the historical average.
In general, the average temperature in New South Wales at the beginning of May is 20.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17.7 °C by the end of May.
New South Wales experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 129.4 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
19°/13°
Temperatures
19 km/h
Avg max wind
69 %
Avg humidity
New South Wales Weather May
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What’s the Weather Like in New South Wales This May?
Discover the average temperatures and weather trends across New South Wales’s cities this May.
Temperatures trend during May in New South Wales
See the weather trend as well as the moving average line
May weather in New South Wales day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain shower | 20° /14° | 2.2 mm | 5 | |
| 2 May | Patchy rain possible | 21° /14° | 1.8 mm | 5 | |
| 3 May |  Partly cloudy | 21° /15° | 3.6 mm | 5 | |
| 4 May |  Heavy rain at times | 20° /13° | 3.2 mm | 5 | |
| 5 May |  Sunny | 20° /13° | 7.2 mm | 5 | |
| 6 May | Sunny | 21° /13° | 3.5 mm | 5 | |
| 7 May | Sunny | 19° /13° | 2 mm | 5 | |
| 8 May | Sunny | 19° /12° | 4.7 mm | 5 | |
| 9 May | Light rain shower | 18° /13° | 5.2 mm | 5 | |
| 10 May | Partly cloudy | 21° /13° | 3.1 mm | 5 | |
| 11 May |  Moderate rain at times | 19° /14° | 19.6 mm | 4 | |
| 12 May | Light rain shower | 20° /15° | 4.9 mm | 5 | |
| 13 May | Partly cloudy | 20° /15° | 5.1 mm | 5 | |
| 14 May | Sunny | 20° /14° | 1.1 mm | 5 | |
| 15 May | Patchy rain possible | 19° /14° | 3.6 mm | 4 | |
| 16 May | Sunny | 20° /13° | 2.2 mm | 6 | |
| 17 May | Patchy rain possible | 21° /16° | 0.4 mm | 2.9 | |
| 18 May | Patchy rain possible | 20° /16° | 2.6 mm | 2.5 | |
| 19 May |  Heavy rain | 18° /15° | 32.4 mm | 1.5 | |
| 20 May | Patchy rain possible | 18° /14° | 3.9 mm | 3.1 | |
| 21 May | Sunny | 18° /11° | 0 mm | 5 | |
| 22 May | Patchy rain possible | 17° /13° | 0.1 mm | 4 | |
| 23 May | Partly cloudy | 18° /13° | 0 mm | 6 | |
| 24 May | Patchy rain possible | 17° /13° | 0.5 mm | 5 | |
| 25 May | Patchy rain possible | 16° /15° | 0.2 mm | 5 | |
| 26 May | Patchy rain possible | 17° /13° | 1.1 mm | 5 | |
| 27 May | Patchy rain possible | 17° /16° | 0.7 mm | 5 | |
| 28 May | Patchy rain possible | 18° /15° | 0.7 mm | 5 | |
| 29 May | Patchy rain possible | 18° /16° | 1.4 mm | 5 | |
| 30 May | Sunny | 20° /13° | 0 mm | 6 | |
| 31 May | Sunny | 18° /13° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for New South Wales in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the New South Wales forecast closer to your planned date for the most up-to-date weather information.
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New South Wales in May - FAQ
What are the expected maximum and minimum temperatures in New South Wales during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New South Wales during May?
Significant rainfall exceeding 129.4 mm is expected in New South Wales during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New South Wales during May?
The average wind speed in New South Wales during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
New South Wales water temperatures in May
The average water temperature of the Pacific Ocean near New South Wales in May is 21.2 °C. At the beginning of May temperatures are around 21.3 °C; by the end of the month they get a bit cooler and reach 20.3 °C.
- What is the water temperature in New South Wales in May?
- The average water temperature in New South Wales in May is 21.2 °C.
- Can you swim in New South Wales in May?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
May rainfall patterns in New South Wales
Explore the daily rainfall trends and prepare for New South Waless May weather 💧
Typically, New South Wales has 22 rainy days in May with a total of 129.4 mm of rainfall.
UV exposure in New South Wales during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Counties in New South Wales
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Armidale RegionalBathurst RegionalBlue Mountains MunicipalityBourkeBroken Hill MunicipalityByron ShireCampbelltown MunicipalityCentral CoastCessnockCity of SydneyClarence ValleyCoffs HarbourEurobodallaFairfieldGoulburn MulwareeGriffithHilltopsHornsby ShireInverellKiamaKu-ring-gaiLismore MunicipalityMaitland MunicipalityMid-CoastMid-Western RegionalMurray RiverMuswellbrookNewcastleNorthern BeachesOrange MunicipalityParkesParramattaPort Macquarie-HastingsRichmond ValleySnowy Monaro RegionalTamworth MunicipalityWestern Plains RegionalWingecarribeeWollongong
Top locations in New South Wales
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Where is New South Wales?Get accurate weather forecasts for New South Wales, located at latitude -33.868 and longitude 151.207. Stay updated with localized weather information tailored for New South Wales.
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