30YearWeather
Hamilton, July 31
Hamilton street view during July
Historical Weather Analysis

Hamilton Weather on July 31 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

13.7°C

High

5.9°C

Low

37%

Rain

🌤️ Feels like 13.2°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

July 31 is generally a great time to visit Hamilton. While there is a slight chance of rain (37%), showers are usually brief. Expect comfortable 14°C weather. It's a lively time to explore Hamilton, with most attractions operating at full capacity.

Currency

NZD

$ New Zealand dollar

Language

English

+2 more

Driving

Left side

Safety

Very High Safety

GPI: 1.269

Hamilton Weather Forecast for July 31

"Mild & Comfortable. Expect average highs of 13.7°C. 37% chance of rain."

What to Wear in Hamilton in July

Based on historical data for July 31, Hamilton typically experiences temperatures between 5.9°C and 13.7°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 37% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Hamilton

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Umbrella

Average High

extreme-hot

13.7°C

Daytime Peak

Average Low

extreme-cold

5.9°C

Nighttime Low

Feels Like

partly-cloudy-day

13.2°C

🌤️ Feels accurate

Rain Chance

rain

37%

Avg 2.6mm if it rains

Cloud Cover

cloudy

65%

Overcast

Pressure

pressure

1016.5 hPa

High volatility

Hamilton Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

98%Highly Predictable

Based on 10 years of data

Temperature
±1.8°CStable
Precipitation
19-60%Moderate

🎯 This date historically delivers consistent weather 98% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.3Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 267 min to burn

Type III-IV

🟡 401 min to burn

Type V-VI

🟢 668 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

60Moderate
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

11.2°C

Pleasant

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in New Zealand

Flight Traffic

Busy

77/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~10

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Hamilton

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

08:21

☀️ Noon

13:26

🌇 Sunset

18:31

⏱️ Daylight

10h 9m

Golden Hour
Morning08:21 - 09:00
17:52 - 18:31Evening

Wind Speed

wind

19.2 km/h

Gentle breeze

Sunshine

clear-day

6.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

85%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Hamilton

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Hamilton

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

70/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1016.5 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
23AQI
Good
PM2.5 Concentration4.9 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):316
In Jul (30y):25
Last in Jul:2024-07-06
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hamilton on July 31 averages 13.7°C with a 37% precipitation probability. Wedding/Outdoor Event Score: 77/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Hamilton Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2021
15.8°C
Coldest
2017
-1°C
Rainiest
2024
7.2mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (July 31) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Hamilton Worth Visiting on July 31?

Planning a trip to Hamilton on July 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.7°C with a 37% historical precipitation risk.

✈️ Travel Logistics: Approximately 10 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for New Zealand, including COVID-19.

📊 Historical Extremes: The hottest July 31 recorded in the last 30 years saw temperatures hit 15.8°C in 2021, while the coldest dropped to -1°C in 2017.

Hamilton Weather FAQ