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June Weather in Hercules, United States

Last updated: June 24, 2025

In Hercules, United States, the average temperature in June hovers around 19°C (67°F), with a minimum of 10°C (50°F) and a sweltering maximum of 40°C (104°F). You can expect only a trace of precipitation, with about 1 mm (0.1 in) falling over 0 days. The air remains comfortably humid, with an average humidity of 64%.

June Temperature in Hercules

In June in Hercules, the average temperature is 19°C (67°F), with maximums reaching 40°C (104°F) and minimums dropping as low as 10°C (50°F). Be prepared for warm days and cool evenings while exploring this beautiful destination.

June Weather in Hercules: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Hercules, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hercules, June typically has an average temperature of 19°C (67°F), with highs reaching up to 40°C (104°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec505254596267676868645550
Data source: Temperature data for Hercules 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 Hercules

In Hercules in June, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.

June Precipitation Trends in Hercules

The chart displays monthly precipitation patterns in Hercules, 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 Hercules, June typically receives around 1 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1011017732182001254188
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Hercules

In Hercules in June, humidity is 64%. With an average temperature of 19°C (67°F), this humidity feels like a warm, sultry embrace, perfect for leisurely strolls and exploring local sights, though travelers should stay hydrated and take breaks in shaded areas to fully enjoy the vibrant atmosphere.

June Average Humidity in Hercules

This chart illustrates the average monthly humidity levels in Hercules, 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 Hercules is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Hercules

In Hercules 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 Hercules.

Maximum UV Index Levels in Hercules for June

The chart shows the monthly maximum UV Index (UVI) for Hercules 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 Hercules typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Hercules 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 Hercules Compares to Other Months

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

This table compares monthly weather conditions in Hercules, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)101 mm (4.0 inches)82%moderate
February Weather11°C (53°F)101 mm (4.0 inches)84%moderate
March Weather12°C (54°F)77 mm (3.0 inches)82%very high
April Weather15°C (59°F)32 mm (1.3 inches)78%very high
May Weather17°C (63°F)18 mm (0.7 inches)71%very high
June Weather19°C (67°F)1 mm (0.1 inches)64%extreme
July Weather19°C (67°F)0 mm (0.0 inches)58%extreme
August Weather20°C (68°F)0 mm (0.0 inches)54%very high
September Weather20°C (68°F)1 mm (0.0 inches)55%very high
October Weather18°C (64°F)25 mm (1.0 inches)62%high
November Weather13°C (56°F)41 mm (1.6 inches)78%moderate
December Weather10°C (50°F)88 mm (3.5 inches)80%moderate

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