December Weather in Herzliya, Israel

Last updated: October 30, 2025

In Herzliya, Israel, December presents a mild and inviting climate, with maximum temperatures reaching up to 29°C (84°F) and an average of 17°C (64°F). During this month, the city experiences a minimum temperature of 11°C (52°F), creating a comfortable atmosphere perfect for outdoor activities. Despite 105 mm (4.2 in) of rainfall spread over 11 days, the city’s humidity levels hover around 65%, contributing to a refreshing coastal feel. December in Herzliya is ideal for those looking to enjoy moderate weather and vibrant landscapes.

December Temperature in Herzliya

In Herzliya, Israel, December ushers in noticeably cooler temperatures, with minimums averaging around 11°C (52°F), while averages settle at a comfortable 17°C (64°F). As the month progresses, maximums can reach a delightful 29°C (84°F), making afternoons pleasantly warm for outdoor activities. This shift from fall to winter highlights a gradual decrease in evening temperatures, yet the overall climate remains mild compared to many regions during this season. Such trends indicate that December serves as a perfect time to explore Herzliya's stunning coastline and vibrant promenade, enjoying the ideal balance of warmth and cool breezes.

December Weather in Herzliya: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Herzliya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herzliya, December typically has an average temperature of 17°C (64°F), with highs reaching up to 29°C (84°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec585962667377828281777063
Data source: Temperature data for Herzliya generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Herzliya

December in Herzliya, Israel, marks a significant uptick in precipitation, with 105 mm (4.2 in) of rain falling over 11 days. This increase reflects a transition into the wetter winter months, contrasting sharply with the dry spell experienced during the summer when rainfall is minimal. Compared to November’s 56 mm (2.2 in), December not only showcases a higher total precipitation but also maintains a similar number of rainy days. This trend signifies the onset of the rainy season, providing a much-needed recharge to the region's water reserves and a refreshing change for the local environment after months of arid conditions.

December Precipitation Trends in Herzliya

The chart displays monthly precipitation patterns in Herzliya, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Herzliya, December typically receives around 105 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec96714130842331656105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Herzliya

In Herzliya, Israel, December brings a subtle shift in humidity as the year draws to a close, settling at 65%. This level reflects a slight decrease from the previous month’s 62%, while still showing an increase compared to the cooler months earlier in the year. As winter approaches, the humidity begins to follow a pattern that peaks in the warmer summer months of July and August, which hover around 80%-82%. The gradual climb from 64% in January to 77% in May ultimately enhances the coastal city's warm weather experience, creating a unique interplay between temperature and moisture that defines Herzliya's climate throughout the year.

December Average Humidity in Herzliya

This chart illustrates the average monthly humidity levels in Herzliya, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Herzliya is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%66%68%72%77%77%82%80%73%67%62%65%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Herzliya

In December, Herzliya experiences a UV Index of 4, placing it in the moderate exposure category, which allows for a burn time of about 30 minutes. As the year winds down, the UV levels decline from the peak extremes seen in the hotter months of May through July, where the index soared to an intense 11. This gradual reduction creates a more forgiving environment for outdoor activities, in contrast to the very high levels recorded during the early spring months. While December still calls for sun protection, residents and visitors can enjoy the milder sun, making it an excellent time to explore the scenic coasts of Herzliya. For real-time updates on UV exposure, check out the detailed information available at Herzliya UV Index.

Maximum UV Index Levels in Herzliya for December

The chart shows the monthly maximum UV Index (UVI) for Herzliya in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Herzliya typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4689111111109754
Data source: Herzliya December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Herzliya

In Herzliya, Israel, the december sunshine casts a warm glow, contributing to a total of 271 hours of sunlight for the month. While this marks a slight decline from the vibrant summer peaks of over 400 hours in July, it remains a significant amount compared to the earlier months of the year. From January's modest 227 hours, the sunlit hours gradually rise through the months, peaking in May and June, before beginning a gentle descent as winter approaches. December's light serves as a reminder of the region's mild winter climate, providing an inviting escape even as the year draws to a close. The trend clearly illustrates how Herzliya’s sun-drenched days create an inviting atmosphere, making it a desirable destination no matter the season.

Monthly Sunshine Duration in Herzliya: December Highlighted

The December sunshine duration represents the total number of hours Herzliya experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec227h277h332h350h392h396h406h388h347h323h286h271h
Data source: Herzliya December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Herzliya During December

As December approaches in Herzliya, Israel, the likelihood of sunny weather takes a noticeable dip, with only 43% chance of sunshine compared to the sunnier months preceding it. This trend highlights a shift from the warmth and brightness of late fall, where even November boasts a 64% chance of sun, to the cooler and cloudier conditions typical of early winter. While December’s sun may be less dependable, it serves as a gentle reminder of the invigorating arrival of winter, with brighter days anticipated in the months ahead, particularly as the sun re-emerges with 61% in January.

Percentage of Sunny Days in December in Herzliya

The chart illustrates the percentage of sunny days in Herzliya throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Herzliya experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%66%57%72%84%89%84%88%82%73%64%43%
Data source: Herzliya December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Herzliya in December

In Herzliya, Israel, the daylight duration showcases a fascinating seasonal rhythm. Starting with 10 hours in January, the days gradually lengthen, peaking at an impressive 14 hours in June. As summer fades, daylight gradually recedes, bringing back 13 hours in July and August, before tapering down to 12 hours in September. The descent continues into the cooler months, with daylight reducing to 10 hours again by November and December. This cyclical pattern of increasing and decreasing daylight illustrates the vibrant transitions of the seasons, inviting residents and visitors alike to embrace the diverse beauty of Herzliya throughout the year.

Average Daylight Hours in Herzliya for December

The chart illustrates the variation in daylight duration in Herzliya throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 17m11h 1m11h 59m12h 58m13h 48m14h 12m13h 59m13h 16m12h 19m11h 20m10h 29m10h 3m
Data source: Herzliya daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Herzliya

As December approaches in Herzliya, Israel, the transition to winter is marked by a notable uptick in average wind speed, which rises to 4.3 m/s (10 mph)—the highest of the year. This increase reflects a shift from the calmer summer months, where wind speeds dip to around 2.9 m/s (6 mph) in August. Throughout the year, wind conditions remain relatively mild, peaking gently in late autumn and early winter. The steady rise in December not only invigorates the coastal atmosphere but also sets the stage for the seasonal changes ahead, creating a refreshing backdrop for residents and visitors alike.

Average December Wind Speed in Herzliya

The chart displays monthly wind speed patterns in Herzliya, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.23.63.93.93.03.03.22.93.23.43.24.3 m/s
Data source: Herzliya December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Herzliya Compares to Other Months

Weather in Herzliya varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Herzliya, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather is generally warmer with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (84°F). This month typically experiences a total precipitation of 105 mm (4.2 in) over 11 days, accompanied by a humidity level of 65%. In contrast, January brings cooler temperatures, with the average ranging from a minimum of 8°C (46°F) to a maximum of 26°C (79°F). Rainfall decreases slightly to 96 mm (3.8 in), but the number of rainy days remains the same at 11. Overall, January's weather features lower temperatures and slightly reduced humidity at 64%, making it a notable shift from December's warmth. For more details on the weather specifically in Herzliya, you can check Herzliya weather in January.

In comparing the weather between December and February, December tends to be warmer overall, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (84°F). It also experiences more precipitation, averaging 105 mm (4.2 in) over 11 days, contributing to a fairly humid atmosphere at 65%. In contrast, February sees cooler temperatures, with an average ranging from 9°C (48°F) to a maximum of 24°C (76°F). The month is drier, with only 71 mm (2.8 in) of rainfall over 9 days and slightly higher humidity at 66%. For more detailed insights into February weather, you can check Herzliya weather in February.

In December, the weather is generally mild, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (84°F). However, it is also quite rainy, receiving around 105 mm (4.2 in) of precipitation over 11 days, with a humidity level of 65%. In contrast, March experiences slightly cooler overall temperatures, with a minimum of 8°C (47°F) and a maximum of 31°C (89°F), indicating warmer days ahead. The month is drier, with only 41 mm (1.6 in) of precipitation over 7 days and a slightly higher humidity of 68%. To learn more about the typical weather in this period, you can check Herzliya weather in March.

In comparing the weather between December and April, December features milder temperatures, with a minimum of 11°C (52°F) and an average of 17°C (64°F), while April tends to be warmer, boasting a minimum of 12°C (54°F) and an average of 19°C (67°F). The maximum temperatures are also notably higher in April, reaching up to 34°C (94°F), compared to December's maximum of 29°C (84°F). In terms of precipitation, December is significantly wetter, receiving 105 mm (4.2 in) over 11 days, whereas April sees only 30 mm (1.2 in) across just 5 days. Additionally, humidity is slightly higher in April at 72%, compared to 65% in December. For more details, check out Herzliya weather in April.

In comparing the weather between December and May, we see distinct differences that reflect the changing seasons. December tends to be milder overall, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (84°F) and an average of 17°C (64°F). However, this month also experiences notable precipitation, averaging 105 mm (4.2 in) over about 11 days, while maintaining a humidity level of 65%.

In contrast, May ushers in warmer temperatures, with lows starting at 15°C (59°F) and highs peaking at 39°C (103°F), bringing an average temperature of 23°C (74°F). The month is relatively dry, with only 7 mm (0.3 in) of rainfall spread over just 2 days, although the humidity is slightly higher at 77%. For more detailed insights on the weather in Herzliya during May, you can check out Herzliya weather in May.

In December, the weather is moderately warm, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (84°F) and an average of 17°C (64°F). This month sees significant precipitation, totaling 105 mm (4.2 in) over 11 days, contributing to a humidity level of 65%. In contrast, June offers hotter conditions, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (95°F), averaging at 25°C (77°F). Rainfall in June is minimal, with only 4 mm (0.2 in) over just 1 day, resulting in a higher humidity of 77%. For more details on the warm June conditions, check out Herzliya weather in June.

When comparing the weather in December and July, significant differences emerge. December typically boasts milder temperatures, with a minimum of 11°C (52°F) and an average of 17°C (64°F), while July experiences much warmer conditions, with a minimum of 22°C (71°F) and an average of 28°C (82°F). Precipitation levels also vary greatly; December sees an average of 105 mm (4.2 in) over 11 days, creating a wetter atmosphere, whereas July is almost completely dry, with only 2 mm (0.1 in) of rainfall recorded over no days. Additionally, humidity levels are notably higher in July at 82%, compared to 65% in December, contributing to the muggy summer feel. For more information on July's weather specifics, visit Herzliya weather in July.

December and August present contrasting weather conditions. In December, temperatures range from a minimum of 11°C (52°F) to a maximum of 29°C (84°F), with an average of 17°C (64°F). This month sees considerable precipitation, totaling 105 mm (4.2 in) over 11 days, and a moderate humidity level of 65%. In stark contrast, August boasts much warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 34°C (93°F), averaging around 28°C (83°F). Remarkably, it features almost no rainfall, with just 3 mm (0.1 in) recorded on 0 days, and a higher humidity of 80%. For more details on August weather in Herzliya, check out Herzliya weather in August.

In comparing the weather between December and September, it's clear that September is generally warmer and drier. September temperatures range from a minimum of 22°C (72°F) to a maximum of 34°C (93°F), with an average of 27°C (81°F) and only 3 mm of precipitation over just one day. In contrast, December sees cooler temperatures, with a range from a minimum of 11°C (52°F) to a maximum of 29°C (84°F) and an average of 17°C (64°F). December also experiences more rainfall, totaling 105 mm (4.2 in) over 11 days, accompanied by a lower humidity level of 65%. This significant difference in both temperature and precipitation illustrates the seasonal transition from the hotter and drier conditions of summer to the cooler and wetter climate of winter. For more detailed insights, check out Herzliya weather in September.

When comparing the weather in December and October, it's clear that October typically boasts warmer temperatures. With a minimum of 19°C (66°F) and an average high of 35°C (95°F), October feels significantly hotter than December, where temperatures range from a minimum of 11°C (52°F) to a maximum of 29°C (84°F). Additionally, October experiences much lower precipitation, averaging just 16 mm (0.6 in) over three days, while December sees a notable increase in rainfall, accumulating 105 mm (4.2 in) across 11 days. Humidity levels are similar in both months, hovering around 65-67%. For more detailed information on October weather in Herzliya, visit Herzliya weather in October.

In comparing the weather of December to November, December generally experiences cooler temperatures, with averages dropping from 21°C (70°F) in November to 17°C (64°F) in December. The minimum temperature in December is 11°C (52°F), compared to a higher minimum of 14°C (58°F) in November. Additionally, December has more precipitation, totaling 105 mm (4.2 in) over 11 days, while November sees only 56 mm (2.2 in) over 7 days. Humidity levels are slightly higher in December at 65%, compared to 62% in November. For a more detailed look at November weather in Herzliya, you can explore Herzliya weather in November.

Compare Herzliya's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Herzliya

As December settles in Herzliya, the weather takes on a more mild and refreshing character, contrasting with the hotter months preceding it. With an average temperature that dips significantly, it shifts from the sweltering heat of summer to a more comfortable 17°C, with cooler nights that may bring the temperature down to 11°C. The month also brings increased precipitation, accumulating around 105 mm over approximately 11 days, adding a touch of winter-like charm. The humidity hovers around 65%, making the air feel crisp and invigorating. For those looking to explore Herzliya's changing climate in December, more details can be found at Herzliya Climate.