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June Weather in Pomona, United States

Last updated: June 24, 2025

In June, the average temperature in Pomona, United States is a pleasant 24°C (75°F). However, you can expect a range of temperatures, with a minimum of 11°C (52°F) and a maximum soaring to 38°C (100°F). This month also brings about 79 mm (3.1 in) of precipitation spread over 10 days, contributing to an average humidity level of 83%.

June Temperature in Pomona

In June in Pomona, the average temperature is 24°C (75°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 11°C (52°F). This diverse temperature range makes it essential for travelers to pack both light clothing for the heat and layers for the cooler evenings.

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

The chart illustrates June temperature patterns in Pomona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pomona, June typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec363950566675797773594642
Data source: Temperature data for Pomona 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 Pomona

In Pomona in June, the precipitation amount is 79 mm (3.1 in) over a span of 10 days.

June Precipitation Trends in Pomona

The chart displays monthly precipitation patterns in Pomona, 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 Pomona, June typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec841131531631877977109501277677
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Pomona

In Pomona in June, humidity is 83%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, which can be quite stifling for traveling. You may find yourself frequently seeking shade or air conditioning, and it's wise to stay hydrated while exploring.

June Average Humidity in Pomona

This chart illustrates the average monthly humidity levels in Pomona, 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 Pomona is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Pomona

In Pomona 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 Pomona.

Maximum UV Index Levels in Pomona for June

The chart shows the monthly maximum UV Index (UVI) for Pomona 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 Pomona typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Pomona 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 Pomona Compares to Other Months

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

This table compares monthly weather conditions in Pomona, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)84 mm (3.3 inches)83%moderate
February Weather4°C (39°F)113 mm (4.4 inches)81%high
March Weather10°C (50°F)153 mm (6.0 inches)80%high
April Weather13°C (56°F)163 mm (6.4 inches)80%very high
May Weather19°C (67°F)187 mm (7.4 inches)83%extreme
June Weather24°C (75°F)79 mm (3.1 inches)83%extreme
July Weather26°C (79°F)77 mm (3.0 inches)76%extreme
August Weather25°C (77°F)109 mm (4.3 inches)69%very high
September Weather23°C (73°F)50 mm (2.0 inches)68%very high
October Weather15°C (60°F)127 mm (5.0 inches)72%high
November Weather8°C (46°F)76 mm (3.0 inches)83%moderate
December Weather5°C (42°F)77 mm (3.0 inches)86%moderate

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