Sydney in April

In April, Sydney averages 22°C (72°F) during the day and 14°C (57°F) at night, with around 11 days of rain (127 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

April offers comfortable temperatures in Sydney, with some rain to plan around.

22°C
Avg high
14°C
Avg low
11
Rain days
127 mm
Rainfall

How April compares to the rest of the year in Sydney

6th
warmest month of the 12
4th
wettest month of the 12
10%
of yearly rainfall falls in April
11 h 16 min
daylight on the 15th

April is in the middle of the year for warmth in Sydney (6th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature matches the city's annual average. April runs 3°C cooler than March (25°C) and cools 3°C in May (19°C).

April sunrise & sunset in Sydney

🌅
Sunrise (15th)
6:17 AM
🌇
Sunset (15th)
5:33 PM
Day length
11 h 16 min

Times shown for Sydney local time (Australia/Sydney), calculated for the 15th of April. They shift by a few minutes day to day across the month.

Photography light in Sydney — April

Golden-hour and blue-hour windows for the 15th of April, in Sydney's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:17 AM – 5:57 AM
🌄 Golden hour (AM)
5:57 AM – 6:57 AM
🌇 Golden hour (PM)
4:53 PM – 5:53 PM
🌆 Blue hour (PM)
5:53 PM – 6:33 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Sydney.

📅 When to book — Sydney in April

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (High season) and Sydney's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — April in Sydney

High season

This is a busy month in Sydney — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — April in Sydney

☀️ UV Index (noon, 15th)
8.5
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Sydney — April

21.8°C (71°F)
pleasant
warm enough for most swimmers without a wetsuit

Across the year Sydney's sea swings from 17.7°C (July) to 23.4°C (February) — April sits at 21.8°C.

Sydney in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 26°C / 79°F 19°C / 66°F 102 mm 11
February 26°C / 79°F 19°C / 66°F 117 mm 11
March 25°C / 77°F 17°C / 63°F 130 mm 12
April 22°C / 72°F 14°C / 57°F 127 mm 11
May 19°C / 66°F 11°C / 52°F 121 mm 11
June 17°C / 63°F 9°C / 48°F 131 mm 11
July 17°C / 63°F 8°C / 46°F 98 mm 9
August 18°C / 64°F 9°C / 48°F 81 mm 9
September 20°C / 68°F 11°C / 52°F 69 mm 9
October 22°C / 72°F 13°C / 55°F 77 mm 10
November 24°C / 75°F 16°C / 61°F 84 mm 10
December 25°C / 77°F 18°C / 64°F 78 mm 11

Other cities with similar April weather

🌍 See the full ranked list of climate twins for Sydney in April →

Frequently asked questions

How hot is Sydney in April?

In April, Sydney averages a high of 22°C (72°F) and a low of 14°C (57°F) — generally mild and pleasant.

Does it rain a lot in Sydney in April?

April can be fairly wet in Sydney, with about 11 rainy days on average.

Is April a good time to visit Sydney?

April is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Sydney in April?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full April packing list for Sydney for a complete, climate-based checklist.

Open Sydney on the interactive map

Check the live 10-day forecast and sunrise/sunset.