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June Weather in Union, United States

Last updated: June 24, 2025

In Union, United States, the average temperature in June reaches a pleasant 21°C (71°F). Expect temperatures to vary, with a minimum of 9°C (48°F) and a maximum of 34°C (94°F). Rainfall is fairly common, with an average precipitation of 119 mm (4.7 in) spread over 14 days. Additionally, the air tends to be quite humid, with an average humidity level of 80%.

June Temperature in Union

In June in Union, the average temperature is 21°C (71°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 9°C (48°F). This range makes it an ideal time for travelers to experience a variety of outdoor activities, from sunny adventures to cooler evening strolls.

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

The chart illustrates June temperature patterns in Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union, June typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec232538476071757266533731
Data source: Temperature data for Union 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 Union

In Union in June, the precipitation amount is 119 mm (4.7 in) over the course of 14 days.

June Precipitation Trends in Union

The chart displays monthly precipitation patterns in Union, 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 Union, June typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6159721121621199292991215153
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Union

In Union in June humidity is 80%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

June Average Humidity in Union

This chart illustrates the average monthly humidity levels in Union, 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 Union is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Union

In Union in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Union.

Maximum UV Index Levels in Union for June

The chart shows the monthly maximum UV Index (UVI) for Union 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 Union typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Union 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 Union Compares to Other Months

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

This table compares monthly weather conditions in Union, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)61 mm (2.4 inches)85%moderate
February Weather-4°C (26°F)59 mm (2.3 inches)85%moderate
March Weather3°C (38°F)72 mm (2.8 inches)85%high
April Weather8°C (47°F)112 mm (4.4 inches)85%very high
May Weather15°C (60°F)162 mm (6.4 inches)78%very high
June Weather21°C (71°F)119 mm (4.7 inches)80%very high
July Weather24°C (75°F)92 mm (3.6 inches)78%very high
August Weather22°C (72°F)92 mm (3.6 inches)76%very high
September Weather19°C (67°F)99 mm (3.9 inches)79%very high
October Weather11°C (53°F)121 mm (4.8 inches)83%moderate
November Weather3°C (38°F)51 mm (2.0 inches)88%moderate
December Weather0°C (32°F)53 mm (2.1 inches)81%low

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