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Hamilton Weather in October

In Hamilton, October brings pleasant daytime temperatures around 18°C (64°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.

Rainfall in Hamilton in October

Records from the past 30 years suggest around 16 days of rain, with 106 mm (4.2 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Hamilton in October

Temperatures in Hamilton in October top out at 18°C (64°F) and drop to 10°C (50°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Hamilton in October

With about 175 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

For Hamilton itself, January, February, March and November generally stand out with 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.

Hamilton Temperature in October

Min Temperature

10°C (50°F)

Max Temperature

18°C (64°F)

Chance of Rain

53%

Precipitation

106 mm (4.2 in)

Rainy days

16 days

Humidity

81%

Sunshine

175 hours

Percentage Sunshine

Hamilton Weather by Month

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

January

25°C (77°F)View January → February

25°C (77°F)View February → March

23°C (73°F)View March → April

21°C (70°F)View April → May

18°C (64°F)View May → June

16°C (61°F)View June → July

15°C (59°F)View July → August

16°C (61°F)View August → September

17°C (63°F)View September → This monthOctober

18°C (64°F)View October → November

20°C (68°F)View November → December

22°C (72°F)View December →

Best Time to Visit Hamilton →

Historical weather records for Hamilton in October

Browse day-by-day weather records for Hamilton spanning 23 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Hamilton historical weather extremes in October

Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Hamilton.

Hamilton recorded its highest October temperature of 24°C (75°F) on October 19, 2023.
The coldest October day was on October 5, 2009, with a maximum of 10°C (50°F).
The coldest night in October in Hamilton was on October 7, 2022, with a minimum of -3°C (27°F).
The heaviest October precipitation occurred on October 30, 2022, when 44 mm (1.7 in) of precipitation fell.

Best Places in New Zealand in October

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 October →

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 October: blue is cold, red is hot.

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

What to Wear in Hamilton in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.