Roundstone Weather & Climate: Best Time to Visit

The climate in Roundstone experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a moderate 18°C (64°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like January.

At night, you can expect temperatures ranging from 13°C (55°F) in August to around 5°C (41°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Roundstone experiences significant rainfall throughout the year, averaging 1588 mm (63 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 173 mm (6.8 in) of precipitation, spread over 24 rainy days.

In contrast, the driest month April experiences a drier climate, with about 98 mm (3.9 in) of rainfall spread across 17 rainy days. For more details, please visit our Roundstone Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Roundstone. While May receives considerable daily sunshine with up to 5.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The city experiences its highest humidity in January, reaching 90%. In May, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year