Cromwell Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Cromwell.

Full Climate overview Temperature Rainfall Sunshine

Climate overview of Cromwell

Cromwell, Otago, New Zealand, experiences significant temperature variation throughout the year. Summers bring daytime highs of 19°C (66°F) in February, while winters cool to 3°C (37°F) in July.

The city has a wet climate, receiving around 1103 mm (43 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and cold winters. December is the wettest month. Sunshine peaks in January, when the city sees around 7.7 hours of sunshine per day.

Cromwell Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cromwell - and find the best time to visit.

January

18°C (64°F)View January → February

19°C (66°F)View February → March

16°C (61°F)View March → April

13°C (55°F)View April → May

9°C (48°F)View May → June

4°C (39°F)View June → July

3°C (37°F)View July → August

5°C (41°F)View August → September

9°C (48°F)View September → This monthOctober

12°C (54°F)View October → November

14°C (57°F)View November → December

17°C (63°F)View December →

Monthly Temperature in Cromwell

Depending on the time of the year, temperatures range from pleasant to chilly in Cromwell. On average, daytime temperatures range from a pleasant 19°C (66°F) in February to a chilly 3°C (37°F) in July.

Nighttime temperatures range from 8°C (46°F) in February to -4°C (25°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

More Temperature details →

Rainfall in Cromwell

Cromwell has a relatively rain/snowy climate with high precipitation levels, averaging 1103 mm (43 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 116 mm (4.6 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, July, still receives a respectable 71 mm (2.8 in) of snow/rainfall. For more details, please visit our Cromwell Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

More Rainfall details →

Sunshine Hours in Cromwell

In Cromwell, summer days are longer and more sunny, with daily sunshine hours peaking at 7.7 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.0 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Wanaka, New Zealand (38 KM, 24 Miles).

Daily hours of sunshine

Data from: Wanaka, New Zealand (38 KM, 24 Miles).

More Sunshine details →

Best Time to Visit Cromwell

For comfortable weather, consider visiting Cromwell in February. Conditions are usually least favourable in May, June, July, August, September and October.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

Jan good Feb very good Mar good Apr mixed May cold Jun cold Jul cold Aug cold Sep cold Oct wet Nov mixed Dec mixed

Best overall: February
Warmest weather: January and February
Most sunshine: January
Seasonal pattern: Pleasant summers and cold winters
Coldest conditions: July, with freezing nights around -4°C (25°F).

Frequently asked questions about the climate in Cromwell

What is the best time to visit Cromwell?

February typically offers the most optimal weather in Cromwell. In contrast, May, June, July, August, September and October tend to have less optimal conditions. Cromwell has pleasant summers and cold winters.

What temperatures can I expect in Cromwell?

Daytime highs range from 3°C (37°F) in July to 19°C (66°F) in February. Nighttime lows range from -4°C (25°F) to 8°C (46°F). Temperatures vary considerably through the year.

How much rain does Cromwell get?

Annual rainfall is around 1103 mm (43 in). December is the wettest month with 116 mm (4.6 in), while July is the driest with 71 mm (2.8 in).

How sunny is Cromwell?

Cromwell receives around 2,092 hours of sunshine per year. January is the sunniest month with 231 hours, while June is the cloudiest with just 120 hours. Overall, Cromwell enjoys abundant sunshine.