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June Weather in National City, United States

Last updated: June 24, 2025

In June, the average temperature in National City, United States hovers around 19°C (67°F). You'll experience pleasant warm days, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 33°C (92°F). Expect minimal rain, with only about 2 mm (0.1 in) of precipitation over 0 days during the month, and enjoy a comfortable average humidity of 48%.

June Temperature in National City

In June in National City, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 12°C (54°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the area's attractions.

June Weather in National City: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in National City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In National City, June typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec565557616367727372686256
Data source: Temperature data for National City 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.

June Precipitation in National City

In National City in June, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

June Precipitation Trends in National City

The chart displays monthly precipitation patterns in National City, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In National City, June typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec56685124222314142965
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in National City

In National City in June, humidity is 48%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable embrace, allowing for pleasant strolls and exploration without feeling sticky or oppressive.

June Average Humidity in National City

This chart illustrates the average monthly humidity levels in National City, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in National City is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in National City

In National City in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in National City.

Maximum UV Index Levels in National City for June

The chart shows the monthly maximum UV Index (UVI) for National City in June, 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 June, the maximum UV index in National City typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010754
Data source: National City June 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.

How June Weather in National City Compares to Other Months

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

This table compares monthly weather conditions in National City, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)56 mm (2.2 inches)72%moderate
February Weather13°C (56°F)68 mm (2.7 inches)77%high
March Weather14°C (57°F)51 mm (2.0 inches)67%very high
April Weather16°C (61°F)24 mm (0.9 inches)56%very high
May Weather17°C (63°F)21 mm (0.8 inches)46%extreme
June Weather19°C (67°F)2 mm (0.1 inches)48%extreme
July Weather22°C (72°F)3 mm (0.1 inches)46%extreme
August Weather23°C (74°F)1 mm (0.1 inches)42%very high
September Weather22°C (72°F)4 mm (0.1 inches)52%very high
October Weather20°C (68°F)14 mm (0.6 inches)58%high
November Weather17°C (62°F)29 mm (1.1 inches)66%moderate
December Weather14°C (57°F)65 mm (2.5 inches)74%moderate

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