July in Narva averages a daily high of 22.9°C with nights around 13.6°C. Expect roughly 12.8 wet days totalling 76mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Narva is June–August.
Based on NARVA, EN (4.6km), 1995–2024. 30 years of July data.