# Climate Insights for Hamilton

*Source: [Airpult](https://airpult.com/climate/nz/hamilton/8080878287): Hamilton City, Waikato, New Zealand*

The climate in Hamilton is temperate. The average annual temperature is 15°C and approximately 1304mm of precipitation falls per year. Hamilton receives a notable amount of rainfall throughout the year, including during its driest month. Hamilton is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, March. The coldest months are August, July, June, when temperatures can drop to 7°C.

## Key insights

- **Hottest month:** February (peak 25°C)
- **Coldest month:** August (low 7°C)
- **Wettest month:** July (143 mm)
- **Best time to visit:** January, February, March

## Monthly climate data

The table below shows monthly climate averages for Hamilton based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

| Month | Avg low (°C) | Avg high (°C) | Mean (°C) | Precip (mm) | Wind (km/h) | Snow (cm) |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| Jan | 16 | 24 | 20 | 85 | 13 | 0 |
| Feb | 15 | 25 | 20 | 94 | 12 | 0 |
| Mar | 14 | 23 | 18 | 84 | 11 | 0 |
| Apr | 12 | 20 | 16 | 93 | 12 | 0 |
| May | 9 | 18 | 13 | 111 | 12 | 0 |
| Jun | 8 | 15 | 11 | 104 | 12 | 0 |
| Jul | 7 | 15 | 10 | 143 | 14 | 0 |
| Aug | 7 | 15 | 11 | 128 | 13 | 0 |
| Sep (current) | 9 | 16 | 12 | 134 | 15 | 0 |
| Oct | 11 | 18 | 14 | 111 | 15 | 0 |
| Nov | 13 | 21 | 16 | 112 | 14 | 0 |
| Dec | 15 | 23 | 18 | 105 | 13 | 0 |

## Temperature

Hamilton sees moderate temperature variation throughout the year, ranging from 7°C to 25°C. February is the warmest month, though highs remain moderate at 25°C with a mean of 20°C. August is the coolest month, with minimum temperatures around 7°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

## Precipitation

Hamilton is a fairly wet location, receiving approximately 1304mm of precipitation annually, which averages out to around 109mm per month. The wettest month is July, averaging 143mm of rainfall. September and August also tend to see above-average precipitation. The driest month is March, with just 84mm. That's 59mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

## Wind

Hamilton is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

## Seasons

Currently it is **winter** (astronomical) / **winter** (meteorological) in Hamilton.
Spring begins September 23, 2026 (8 days from now).

| Season | Begins |
| --- | --- |
| Spring | September 23 |
| Summer | December 21 |
| Autumn | March 20 |
| Winter | June 21 |

It is currently winter in Hamilton, which began on June 21, 2026. Hamilton is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 25°C, while the coldest stretch bottoms out in August near 7°C. Spring is next, beginning on September 23, 2026 (8 days from now).

### Spring

Temperatures range from 9 to 21°C. Rainfall is heavy, totalling around 358mm across the season with a monthly average of 119mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

### Summer

Temperatures range from 15 to 25°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Winds are generally light, averaging 13km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

### Autumn

Temperatures range from 9 to 23°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

### Winter

Temperatures range from 7 to 15°C. Rainfall is heavy, totalling around 374mm across the season with a monthly average of 125mm. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

## Best time to visit

Recommended months: January, February, March, April.

The best time to visit Hamilton is during January, February, March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 89mm per month. By contrast, August can be quite cold with temperatures dropping to 7°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.