Hamilton Weather in January
What's the weather like in Hamilton (Waikato) in January 2025?
The climate in Hamilton during January can be summarized as warm and a little damp.
January is in the summer in Hamilton and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 23.8°C 74.8°F |
|---|---|
| Nightly temperature | 13°C 55.4°F |
| Average temperature | 18.4°C 65.1°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 11 days |
| Sea temperature | 20.1°C 68.2°F |
| Humidity | 80% |
| Windspeed | 9kph 6 mph |
On average January is the 2nd driest month of the year in Hamilton with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
January temperatures in Hamilton
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Hamilton in January 2025.
Other monthly averages
Best places to visit in January
Hamilton weather stats
| Hottest month: | February | 24°C 75.2°F |
|---|---|---|
| Driest month: | February | 81mm 3.2ins |
| Sunniest month: | January | 7.8hrs |
| Coldest month: | July | 13.5°C 56.3°F |
| Wettest month: | July | 132mm 5.2ins |
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