Water temperature and wave height on the beaches of Rishon LeZion

Climate characteristics of Rishon LeZion

Rishon LeZion, located on Israel's Mediterranean coast, experiences a typical Mediterranean climate with hot, dry summers and mild, wet winters. The average high temperature throughout the year is 90°F (32°C), and the average low is 49°F (9°C). Humidity levels average around 65%, influenced by its proximity to the sea.

Seasons and Temperature Variations:

• Summer (June - September): The summer is dry and hot, with temperatures ranging from 86°F (30°C) to 90°F (32°C). Rainfall is scarce during this period, often less than 5 mm (0.2 inches) per month. Humidity levels drop slightly, and winds from the sea provide some relief from the heat.
• Autumn (October - November): Rainfall begins to increase as autumn approaches, with October seeing a significant rise in precipitation. Temperatures gradually cool, making it a comfortable time of year.
• Winter (December - February): Winters are mild, with average high temperatures of 65°F (18°C) in January and lows around 49°F (9°C). Rainfall peaks during December and January, sometimes exceeding 100 mm (3.9 inches) per month. Snow is extremely rare, though a notable snowfall occurred in 1950.
• Spring (March - May): Spring brings rising temperatures and blooming landscapes, with average temperatures ranging from 50°F to 77°F (10°C to 25°C). Rainfall decreases significantly as summer approaches.

Rainfall and Precipitation:
Rain is mostly confined to the winter months, particularly December and January, while summer months are virtually dry. The transition months of spring and autumn experience moderate rainfall as the weather shifts.

Humidity and Wind:
Humidity is moderate to high throughout the year, peaking in the winter months (70-75%) due to cooler temperatures and rainfall. In summer, humidity decreases slightly, averaging 60-65%. The city's coastal location brings steady winds, with stronger gusts occurring during the winter. Winds are generally northwesterly to westerly, offering a cooling breeze in summer​

This Mediterranean climate makes Rishon LeZion an attractive location for both residents and tourists, with pleasant weather for much of the year.

Weather in Rishon LeZion by month

December: This month marks the start of the rainy season, with an average daytime temperature of 19.7°C (67.5°F) and nighttime lows of 8.6°C (47.5°F). Rainfall reaches around 130 mm, making it one of the wettest months of the year. Humidity is high due to increased precipitation, and daylight hours average around 10.5 hours per day.

January: January is the coldest month of the year. Daytime temperatures average 17.8°C (64°F), while nights can get as cold as 7.2°C (45°F). It is also the wettest month, with 141 mm of precipitation. Days are relatively short, with about 10.8 hours of daylight.

February: Temperatures begin to rise slightly, with daytime highs of 18.1°C (64.6°F) and nighttime lows of 7.1°C (44.8°F). Rainfall decreases to 97 mm, but showers are still frequent. The amount of daylight increases to about 11.5 hours, signaling the slow approach of spring.

March: Spring begins, and the weather becomes warmer and drier. The average daytime temperature increases to 20.1°C (68.2°F), and nighttime temperatures rise to 8.8°C (47.8°F). Rainfall decreases to about 66 mm, and daylight hours increase to approximately 12.4 hours.

April: This month sees a more pronounced shift to warm weather. Daytime temperatures climb to 24.5°C (76.1°F), and nighttime temperatures average around 11.5°C (52.7°F). Rainfall drops significantly to just 18 mm, and daylight increases to 13.4 hours per day.

May: By May, the dry season has set in. The weather is warm, with daytime highs of 27°C (80.6°F) and nighttime lows of 14.6°C (58.3°F). Rain is rare, with only 2 mm of precipitation, and there are about 14.3 hours of daylight each day.

September: Temperatures remain high, with daytime highs of 30.4°C (86.7°F) and nighttime lows of 19.4°C (66.9°F). Rain is still absent, with precipitation at 0 mm, and daylight hours reduce to 12.8 hours. Sea temperatures are at their warmest, making it ideal for beach activities.

October: Temperatures begin to cool, with daytime highs of 28.3°C (82.9°F) and nighttime lows of 16°C (60.8°F). Rain returns, with about 20 mm of precipitation. The amount of daylight reduces to 11.8 hours. This is a transitional month, where warm, sunny weather can be interspersed with occasional rain.

November: The weather becomes cooler and wetter as winter approaches. Daytime temperatures average 24.1°C (75.4°F), and nighttime lows fall to 11.8°C (53.2°F). Rain increases to 76 mm, and daylight hours shorten to 11 hours