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June Weather in Westminster, United States

Last updated: June 24, 2025

In June, the average temperature in Westminster, United States sits at a balmy 27°C (81°F). Temperatures can range from a cool 15°C (59°F) to a sweltering 37°C (99°F). Expect 100 mm (4.0 in) of precipitation over approximately 9 days, and with an average humidity of 78%, prepare for a warm and slightly humid atmosphere. Enjoy the climate!

June Temperature in Westminster

In June in Westminster, the weather is typically warm and pleasant, making it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates June temperature patterns in Westminster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westminster, June typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec464859647381848478675550
Data source: Temperature data for Westminster 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 Westminster

In Westminster in June, the precipitation amount is 100 mm (4.0 in) over the course of 9 days.

June Precipitation Trends in Westminster

The chart displays monthly precipitation patterns in Westminster, 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 Westminster, June typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec651041341441801015896981575873
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Westminster

In Westminster in June humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

June Average Humidity in Westminster

This chart illustrates the average monthly humidity levels in Westminster, 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 Westminster is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Westminster

In Westminster 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 Westminster.

Maximum UV Index Levels in Westminster for June

The chart shows the monthly maximum UV Index (UVI) for Westminster 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 Westminster typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Westminster 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 Westminster Compares to Other Months

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

This table compares monthly weather conditions in Westminster, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)65 mm (2.6 inches)80%moderate
February Weather9°C (48°F)104 mm (4.1 inches)79%high
March Weather15°C (59°F)134 mm (5.3 inches)78%very high
April Weather18°C (64°F)144 mm (5.7 inches)78%very high
May Weather23°C (73°F)180 mm (7.1 inches)81%extreme
June Weather27°C (81°F)100 mm (4.0 inches)78%extreme
July Weather29°C (84°F)58 mm (2.3 inches)73%extreme
August Weather29°C (84°F)96 mm (3.8 inches)66%extreme
September Weather26°C (79°F)98 mm (3.8 inches)65%very high
October Weather19°C (67°F)157 mm (6.2 inches)72%very high
November Weather13°C (56°F)58 mm (2.3 inches)82%high
December Weather10°C (51°F)73 mm (2.9 inches)87%moderate

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