Oamaru Weather in April
What's the weather like in Oamaru (Otago) in April 2025?
The climate in Oamaru during April can be summarized as mild and reasonably dry.
April is in the fall / autumn in Oamaru and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 5°C (42°F) is normal.
| Daytime temperature | 17°C 62.6°F |
|---|---|
| Nightly temperature | 5.4°C 41.7°F |
| Average temperature | 11.2°C 52.2°F |
| Daily sunshine | 5.1 hrs |
| Avg rainfall | 44 mm 1.7 ins |
| Rainy days | 9 days |
| Sea temperature | 12°C 53.7°F |
| Humidity | 80% |
| Windspeed | 11.9kph 7 mph |
On average April is the 5th driest month of the year in Oamaru with around 44mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 hours of sunshine per day.
April temperatures in Oamaru
April rainfall
April 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 Oamaru in April 2025.
Other monthly averages
Oamaru weather stats
| Hottest month: | January | 20.5°C 68.9°F |
|---|---|---|
| Driest month: | September | 29mm 1.1ins |
| Sunniest month: | April | 5.1hrs |
| Coldest month: | July | 10.3°C 50.5°F |
| Wettest month: | March | 56mm 2.2ins |
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