Portadown Weather & Climate: Best Time to Visit

The climate in Portadown is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a pleasant 20°C (68°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 12°C (54°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Portadown receives mid-range precipitation levels, with 942 mm (37 in) annually. Despite minor fluctuations, Portadown enjoys fairly consistent precipitation throughout the year. In August, you can expect around 89 mm (3.5 in) of precipitation, while in March, Portadown receives about 67 mm (2.6 in). For more details, please visit our Portadown Precipitation page.

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

The average number of days each month with precipitation

Portadown can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 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 September, reaching 91%. In February, the humidity drops to its lowest level at 86%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year