Nighttime temperatures: 8°C to 10°C (46°F to 50°F)
Rainfall: Around 130–140 mm
Weather Notes: January is typically the coldest month with mild daytime temperatures and chilly nights. Rain is common during this time.
February
Daytime temperatures: 16°C to 18°C (61°F to 64°F)
Nighttime temperatures: 9°C to 11°C (48°F to 52°F)
Rainfall: Around 120 mm
Weather Notes: February remains cool, with moderate rainfall and relatively mild temperatures compared to January.
March
Daytime temperatures: 18°C to 21°C (64°F to 70°F)
Nighttime temperatures: 11°C to 13°C (52°F to 55°F)
Rainfall: Around 80 mm
Weather Notes: March is characterized by moderate temperatures and decreasing rainfall, with some rain showers early in the month.
April
Daytime temperatures: 21°C to 25°C (70°F to 77°F)
Nighttime temperatures: 13°C to 15°C (55°F to 59°F)
Rainfall: Around 50 mm
Weather Notes: April sees mild temperatures and less rainfall, making it a pleasant month to visit.
May
Daytime temperatures: 24°C to 28°C (75°F to 82°F)
Nighttime temperatures: 16°C to 18°C (61°F to 64°F)
Rainfall: Minimal (around 10 mm)
Weather Notes: May marks the start of warmer weather, with little rain and mostly sunny days.
June
Daytime temperatures: 28°C to 32°C (82°F to 90°F)
Nighttime temperatures: 20°C to 24°C (68°F to 75°F)
Rainfall: None
Weather Notes: June is hot and dry, signaling the beginning of summer. Humidity starts to rise as well.
July
Daytime temperatures: 30°C to 34°C (86°F to 93°F)
Nighttime temperatures: 23°C to 26°C (73°F to 79°F)
Rainfall: None
Weather Notes: July is one of the hottest months of the year, with high humidity levels and very little rain.
August
Daytime temperatures: 30°C to 35°C (86°F to 95°F)
Nighttime temperatures: 23°C to 27°C (73°F to 81°F)
Rainfall: None
Weather Notes: August is hot and dry with high humidity, similar to July, and little to no rainfall.
September
Daytime temperatures: 26°C to 30°C (79°F to 86°F)
Nighttime temperatures: 19°C to 23°C (66°F to 73°F)
Rainfall: Around 10–20 mm
Weather Notes: September is the beginning of the transition from summer to autumn. Temperatures remain warm, and there is a slight increase in rainfall by the end of the month.
October
Daytime temperatures: 21°C to 25°C (70°F to 77°F)
Nighttime temperatures: 15°C to 18°C (59°F to 64°F)
Rainfall: Around 40 mm
Weather Notes: October is a pleasant autumn month with moderate temperatures and occasional rainfall.
November
Daytime temperatures: 17°C to 22°C (63°F to 72°F)
Nighttime temperatures: 10°C to 13°C (50°F to 55°F)
Rainfall: Around 50 mm
Weather Notes: November sees cooler temperatures and more frequent rain showers, with the weather becoming more autumnal.
December
Daytime temperatures: 15°C to 18°C (59°F to 64°F)
Nighttime temperatures: 8°C to 10°C (46°F to 50°F)
Rainfall: Around 130–140 mm
Weather Notes: December is cool and rainy, with shorter days and a relatively high chance of rain.
Overall, Herzliya has hot, dry summers and mild, rainy winters, with a Mediterranean climate that makes it pleasant to visit year-round.