April in Hitachi-Naka averages a daily high of 17.9°C. Expect roughly 11.6 wet days totalling 126.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hitachi-Naka is April–June.
Based on MITO, JA (6.3km), 1995–2024. 20 years of April data.