June Weather in Castroville, United States

Last updated: June 24, 2025

In June, the average temperature in Castroville, United States reaches a pleasing 29°C (84°F). However, be prepared for temperatures that can dip as low as 18°C (65°F) and soar to a scorching 41°C (106°F). With an average humidity of 76%, the atmosphere can feel quite humid. Expect 58 mm (2.3 in) of precipitation spread over 10 days, making it a month of warm weather with a touch of rainy surprises.

June Temperature in Castroville

In June in Castroville, the average temperature is 29°C (84°F). Maximum temperatures can reach up to 41°C (106°F), while minimums can drop as low as 18°C (65°F). Travelers should be prepared for a warm climate, with hot days and cooler nights.

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

The chart illustrates June temperature patterns in Castroville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castroville, June typically has an average temperature of 29°C (84°F), with highs reaching up to 41°C (106°F) and lows dropping to around 18°C (65°F).

Data source: Temperature data for Castroville generated using information from the Copernicus Climate Change Service.

June Precipitation in Castroville

In Castroville in June, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

June Precipitation Trends in Castroville

The chart displays monthly precipitation patterns in Castroville, 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 Castroville, June typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Castroville

In Castroville in June, humidity is 76%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities a challenge and encouraging travelers to seek shade or cool refreshments frequently.

June Average Humidity in Castroville

This chart illustrates the average monthly humidity levels in Castroville, 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 Castroville is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Castroville

In Castroville in June, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Castroville.

Maximum UV Index Levels in Castroville for June

The chart shows the monthly maximum UV Index (UVI) for Castroville 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 Castroville typically reaches 12, which falls under the extreme exposure category.

Data source: Castroville 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 Castroville Compares to Other Months

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

This table compares monthly weather conditions in Castroville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	34 mm (1.3 inches)	79%	moderate
February Weather	13°C (57°F)	47 mm (1.8 inches)	79%	very high
March Weather	19°C (66°F)	50 mm (2.0 inches)	74%	very high
April Weather	22°C (72°F)	61 mm (2.4 inches)	76%	extreme
May Weather	26°C (79°F)	109 mm (4.3 inches)	81%	extreme
June Weather	29°C (84°F)	58 mm (2.3 inches)	76%	extreme
July Weather	30°C (86°F)	52 mm (2.0 inches)	66%	extreme
August Weather	31°C (87°F)	40 mm (1.6 inches)	58%	extreme
September Weather	28°C (82°F)	106 mm (4.2 inches)	65%	extreme
October Weather	23°C (73°F)	69 mm (2.7 inches)	74%	very high
November Weather	17°C (62°F)	40 mm (1.6 inches)	81%	high
December Weather	14°C (57°F)	46 mm (1.8 inches)	86%	moderate