With a population of around 5,900, Hartstown sits in Leinster, Ireland. The city operates in the GMT/IST time zone.
In 2025, Hartstown recorded an average annual temperature of 52°F. The hottest temperatures reached 85°F in July; the coolest were 24°F in January. Total precipitation for the year was 41 inches, with the wettest month being July. Snowfall for the year totaled approximately 1 inches.
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