Chernihiv is worth visiting from late spring through early autumn (May to September), when the parks around Boldina Hill and Val Hill are green and pleasant to walk through. July and August are warm, with temperatures around 24–26°C. The city's outdoor sights — the burial mounds, the hilltop churches, the monastery complex — are best appreciated in good weather.
Winter is cold (-10 to -15°C) and the days are short, but the churches are open year-round and can be enjoyed in any weather. Autumn can be particularly pleasant — the parks around the burial mounds are attractive in October. Spring (April–May) brings birdsong and blooming in the parks.
The city is never crowded in the tourist sense. Most visitors come for day trips from Kyiv, so weekday mornings at the churches are essentially private.