Hamilton Weather in July

With daytime temperatures of 15°C (59°F) and nighttime lows of 6°C (43°F), July in Hamilton brings moderate temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Hamilton in July

With frequent rain showers this month, having an umbrella on hand will keep you dry. You can typically expect 18 days of rain this month, averaging around 131 mm (5.2 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Hamilton in July

Hamilton in July gets highs of 15°C (59°F) during the day and drops to 6°C (43°F) at night. July is known for being in the winter season. Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. During July, the city enjoys the most temperate climate of the year.

Sunshine in Hamilton in July

The area experiences a moderate amount of sunshine, with approximately 127 hours of sunlight expected. This means a decent mix of sun and overcast.

July in Hamilton can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit New Zealand, check out our Hamilton's climate page.

Hamilton Temperature in July

Min Temperature 6°C (43°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 58%  

Precipitation 131 mm (5.2 in)  

Rainy days 18 days  

Humidity 88%  

Sunshine 127 hours  

Percentage Sunshine  

Historical weather for Hamilton in July

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.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Hamilton historical weather extremes in July

The extremes listed below come from historical weather data collected in Hamilton from 2006 through 2025.

• The warmest day in July was on July 4, 2025, with a maximum of 19°C (66°F).
• On July 13, 2017, Hamilton saw its coldest July day with temperatures maxing out at 8°C (46°F).
• The lowest overnight temperature recorded in July was -4°C (25°F) (July 31, 2017).
• The wettest day in July Hamilton was on July 30, 2008 with 65 mm (2.6 in) of precipitation.

What to Wear in Hamilton in July

Pack for changing conditions in Hamilton in July. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Hamilton in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit New Zealand, check out our Hamilton's climate page.

More climate data for Hamilton

Temperature Rainfall Sunshine Humidity

See the full Hamilton climate overview or explore weather in New Zealand.