Sheltered by high country to the west, this zone enjoys a dry, sunny climate. Warm dry settled weather predominates in summer. Frosts may occur in winter. Typical summer daytime maximum air temperatures range from 20°C to 28°C, occasionally rising above 30°C. High temperatures are frequent in summer, which may be accompanied by strong dry foehn winds from the northwest. Extreme temperatures as high as 39°C have been recorded. Winter is mild in the north of this region and cooler in the south. Typical winter daytime maximum air temperatures range from 10°C to 16°C. Annual hours of bright sunshine average about 2200 in Gisborne and Napier. Heavy rainfall can occur from the east or southeast. Westerly winds prevail. Sea breezes often occur in coastal areas on warm summer days.