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Oamaru Weather in March

March in Oamaru typically sees daytime highs of 17°C (63°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Oamaru in March

Looking at the last 30 years, the data shows about 12 days with rain, averaging 63 mm (2.5 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Oamaru in March

Daytime highs in Oamaru in March reach 17°C (63°F), with nights around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you prefer enjoying temperate temperatures and rain-free days, January and February typically offer the best 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 March

Min Temperature

11°C (52°F)

Max Temperature

17°C (63°F)

Chance of Rain

38%

Precipitation

63 mm (2.5 in)

Rainy days

12 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 March, with daily highs averaging around 17°C (63°F). Nights are cool, with lows around 11°C (52°F).

Average temperatures in March

Historical weather records for Oamaru in March

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 March

Based on weather observations in Oamaru between 2006 and 2026, these are the recorded extremes during March.

Oamaru recorded its highest March temperature of 28°C (82°F) on March 6, 2026.
The lowest daytime temperature in March was 10°C (50°F), recorded on March 11, 2009.
Nighttime temperatures dropped to 3°C (37°F) on March 17, 2020, marking the coldest March night on record.
The wettest March day on record brought 35 mm (1.4 in) of precipitation to Oamaru (March 16, 2014).

Best Places in New Zealand in March

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 March →

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 March: blue is cold, red is hot.

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

What to Wear in Oamaru in March

For Oamaru in March, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.