Spring (March–May) is the best time to visit. Temperatures are comfortable — warm but not brutal — wildflowers are in bloom across the Galilee and Negev, and the crowds of summer have not yet arrived. Passover (usually April) brings many Israeli and Jewish diaspora travelers, so expect busier sites and higher prices for about a week.
Autumn (September–November) is a close second. The air cools after the summer heat, the light is beautiful, and the country has just come through the High Holidays season. October and November are excellent months for hiking the Israel National Trail or exploring the Galilee. Sukkot, the festival of booths, falls in late September or early October and is a festive time to be in the country, with many outdoor events.
Summer (June–August) is high season. The coast — Tel Aviv, Haifa, Netanya — is lively and the beaches are packed. In Jerusalem and the interior it can be brutally hot. In the Negev and around the Dead Sea temperatures routinely exceed 40°C. Eilat in summer is for serious beach devotees willing to sweat. Crowds and prices are at their peak. That said, Israelis take their beach culture seriously, and the energy along the Tel Aviv coast in July and August has its own appeal.
Winter (December–February) is low season. Tel Aviv stays mild (around 15–20°C), but Jerusalem and the Galilee can be cold and wet, with occasional snow in Jerusalem. The Negev and Dead Sea are pleasantly warm even in winter and much less crowded than the rest of the year. Prices drop significantly.
Jewish holidays shape the rhythm of life in Israel. Yom Kippur is the one day of the year when the entire country shuts down — no cars on the road, no flights, no open shops. It can be a remarkable day to be in Israel, with cyclists and pedestrians taking over the highways. Rosh Hashanah and Sukkot also bring closures and elevated prices. Check the Hebrew calendar when planning your dates.