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June Weather in Glendora, United States

Last updated: June 24, 2025

In June, the average temperature in Glendora, United States hovers around 21°C (71°F), with a minimum dipping to 9°C (48°F) and a maximum soaring to 37°C (99°F). Expect a light precipitation of about 3 mm (0.1 in) over the course of 1 day, complemented by a moderate average humidity of 52%.

June Temperature in Glendora

In June in Glendora, the average temperature is 21°C (71°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 9°C (48°F). This varied climate makes it an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates June temperature patterns in Glendora, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glendora, June typically has an average temperature of 21°C (71°F), with highs reaching up to 37°C (99°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec505052596270777773655850
Data source: Temperature data for Glendora 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 Glendora

In Glendora in June, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

June Precipitation Trends in Glendora

The chart displays monthly precipitation patterns in Glendora, 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 Glendora, June typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec777379252136106112579
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Glendora

In Glendora in June humidity is 52%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can easily enjoy outdoor activities without feeling overheated or sticky.

June Average Humidity in Glendora

This chart illustrates the average monthly humidity levels in Glendora, 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 Glendora is approximately 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Glendora

In Glendora 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 Glendora.

Maximum UV Index Levels in Glendora for June

The chart shows the monthly maximum UV Index (UVI) for Glendora 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 Glendora typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Glendora 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 Glendora Compares to Other Months

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

This table compares monthly weather conditions in Glendora, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)77 mm (3.0 inches)78%moderate
February Weather10°C (50°F)73 mm (2.9 inches)82%high
March Weather11°C (53°F)79 mm (3.1 inches)75%very high
April Weather15°C (59°F)25 mm (1.0 inches)68%very high
May Weather17°C (62°F)20 mm (0.8 inches)57%extreme
June Weather21°C (71°F)3 mm (0.1 inches)52%extreme
July Weather25°C (77°F)6 mm (0.2 inches)46%extreme
August Weather25°C (77°F)9 mm (0.4 inches)39%extreme
September Weather23°C (73°F)6 mm (0.2 inches)48%very high
October Weather18°C (65°F)11 mm (0.4 inches)59%high
November Weather14°C (58°F)25 mm (1.0 inches)72%moderate
December Weather10°C (50°F)79 mm (3.1 inches)76%moderate

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