Roa Weather & Climate: Best Time to Visit

The climate in Roa is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, 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 15°C (59°F) in July to around 1°C (34°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Roa receives mid-range precipitation levels, with 546 mm (21 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, April it receives moderate rainfall, averaging 64 mm (2.5 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month August brings less rainfall, with 18 mm (0.7 in) over 6 rainy days. For more details, please visit our Roa 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 Roa. While July receives considerable daily sunshine with up to 12.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Roa.

The city experiences its highest humidity in December, reaching 83%. In July, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year