Rolleston Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rolleston.
Climate overview of Rolleston
Rolleston, Canterbury, New Zealand, has a moderate seasonal temperature range, with January reaching 23°C (73°F) and July cooling to 12°C (54°F).
The city receives around 745 mm (29 in) of rain/snowfall per year. It experiences warm summers and cold winters. June is the wettest month and March the driest. The sunniest month is January, with 7.9 hours of sunshine per day on average.
Rolleston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rolleston - and find the best time to visit.
Monthly Temperature in Rolleston
The climate in Rolleston experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a comfortable 23°C (73°F) in January to a chilly 12°C (54°F) in July.
Nighttime temperatures range from 12°C (54°F) in January to 2°C (36°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rolleston
Generally, Rolleston experiences moderate precipitation patterns, averaging 745 mm (29 in) yearly. The wettest period in Rolleston occurs in June, which receives around 69 mm (2.7 in) of precipitation. During the driest month, March, Rolleston experiences moderate rainfall, totaling 53 mm (2.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Rolleston Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Rolleston
In Rolleston, summer days are longer and more sunny, with daily sunshine hours peaking at 7.9 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 3.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Rolleston
The mean water temperature over the year ranges from 10°C (50°F) in June to 16°C (61°F) in January.
Water temperature over the year
Humidity in Rolleston by Month
The relative humidity is high throughout the year in Rolleston.
The city experiences its highest humidity in July, reaching 88%. In November, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Rolleston
The mean wind speed over the year ranges from 3 m/s (6 knots) in March, April, May, June, July, August and September to 4 m/s (8 knots) in January, February, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Rolleston
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March and December
- Warmest weather: January and February
- Most sunshine: January
- Warmest water temperature: January and February, although the water may still feel cool.
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Rolleston
What is the best time to visit Rolleston?
January, February, March and December typically offer the most optimal weather in Rolleston. In contrast, June, July and August tend to have less optimal conditions. Rolleston has warm summers and cold winters.
What temperatures can I expect in Rolleston?
Daytime highs range from 12°C (54°F) in July to 23°C (73°F) in January. Nighttime lows range from 2°C (36°F) to 12°C (54°F).
How much rain does Rolleston get?
Annual rainfall is around 745 mm (29 in). June is the wettest month with 69 mm (2.7 in), while March is the driest with 53 mm (2.1 in).
How sunny is Rolleston?
Rolleston receives around 2,129 hours of sunshine per year. January is the sunniest month with 238 hours, while June is the cloudiest with just 117 hours. Overall, Rolleston enjoys abundant sunshine.
Rolleston 3-Day Forecast
Rolleston on the map
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