Portumna Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Portumna.
Climate overview of Portumna
Portumna, Galway County, Ireland, has a moderate seasonal temperature range, with July reaching 20°C (68°F) and February cooling to 9°C (48°F).
The city receives considerable rainfall, with around 1037 mm (41 in) annually. December is the wettest month. The sunniest month is May, with 6.1 hours of sunshine per day on average.
Portumna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Portumna — and find the best time to visit.
Monthly Temperature in Portumna
The weather in Portumna changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in the coolest month, February.
Nights vary from 12°C (54°F) in July to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Portumna
Portumna is known for its substantial rainfall, with annual precipitation reaching 1037 mm (41 in). Precipitation levels in Portumna remain relatively steady throughout the year. December has the most rain, with 98 mm (3.9 in) over 20 days. In the driest month March, this drops slightly to 76 mm (3 in), making the city's climate fairly predictable. For more details, please visit our Portumna Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Portumna
For those who appreciate different seasons, Portumna serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.1 hours of sunshine daily, and embrace the darker days in December, offering only 1.5 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Portumna by Month
The relative humidity is high throughout the year in Portumna.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Portumna
The weather does bring rainfall during this period, between 84 mm (3.3 in) and 91 mm (3.6 in). Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Portumna
What is the best time to visit Portumna?
July typically offers the most optimal weather in Portumna. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Portumna?
Daytime highs range from 9°C (48°F) in February to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F).
How much rain does Portumna get?
Annual rainfall is around 1037 mm (41 in). December is the wettest month with 98 mm (3.9 in), while March is the driest with 76 mm (3 in).
How sunny is Portumna?
Portumna receives around 1,302 hours of sunshine per year. May is the sunniest month with 182 hours, while December is the cloudiest with just 45 hours.
Portumna 3-Day Forecast
Portumna 3-Day Forecast
Portumna on the map
Portumna is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Go to Dingle in Ireland
Dolphins, Whales and breathtaking views. The colorful fishing village Dingle in Ireland has it all and this town is a must for your bucket list.
An Irish adventure like no other in Killarney National Park
Head down to the South West part of the country, County Kerry, to the small town of Killarney. If you want to experience what Ireland is really all about
Horseback riding in Ireland
Ireland is the most ideal place in the world for horseback riding. Combine this with the most hospitable people you will ever encounter and you have an unforgettable dream trip to add to your bucket list.