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Oamaru Weather in April

In Oamaru, April brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 9°C (48°F). Expect quite a bit of rainfall this month.

Rainfall in Oamaru in April

Looking at the last 30 years, the data shows about 9 days with rain, averaging 68 mm (2.7 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Oamaru in April

Daytime highs in Oamaru in April reach 15°C (59°F), with nights around 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Should you favor a climate that's both dry and comfortably warm, January and February typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Oamaru Temperature in April

Min Temperature

9°C (48°F)

Max Temperature

15°C (59°F)

Chance of Rain

29%

Precipitation

68 mm (2.7 in)

Rainy days

9 days

Oamaru Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Oamaru - and find the best time to visit.

January

18°C (64°F)View January → February

18°C (64°F)View February → March

17°C (63°F)View March → April

15°C (59°F)View April → May

13°C (55°F)View May → June

11°C (52°F)View June → July

10°C (50°F)View July → August

11°C (52°F)View August → September

13°C (55°F)View September → This monthOctober

14°C (57°F)View October → November

15°C (59°F)View November → December

17°C (63°F)View December →

Best Time to Visit Oamaru →

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Oamaru typically stay consistent throughout April, with daily highs averaging around 15°C (59°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).

Average temperatures in April

Historical weather records for Oamaru in April

Browse day-by-day weather records for Oamaru spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Oamaru historical weather extremes in April

Our historical data for Oamaru spans 2006 to 2026, revealing these weather extremes.

Oamaru recorded its highest April temperature of 30°C (86°F) on April 9, 2019.
The lowest daytime temperature in April was 9°C (48°F), recorded on April 10, 2018.
Nighttime temperatures dropped to 2°C (36°F) on April 28, 2021, marking the coldest April night on record.

Best Places in New Zealand in April

Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in April →

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

Marker color shows the average daytime high temperature in April: blue is cold, red is hot.

Marker color shows total monthly precipitation in April: pale blue is dry, deep blue is wet.

What to Wear in Oamaru in April

The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days.