Cymmer Weather & Climate: Best Time to Visit

The climate in Cymmer is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 8°C (46°F) in January.

Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Cymmer has a notably wet climate with abundant precipitation, recording 1312 mm (52 in) of rain/snowfall per year. The wettest period in Cymmer occurs in December, which receives around 139 mm (5.5 in) of precipitation. During the driest month, April, Cymmer experiences moderate rainfall, totaling 88 mm (3.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Cymmer Precipitation page.

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

The average number of days each month with precipitation

In Cymmer, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 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

The city experiences its highest humidity in January, reaching 89%. In June, 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