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June Weather in Allen, United States

Last updated: June 24, 2025

In June, the average temperature in Allen, United States is a warm 27°C (81°F). Temperatures can range from a cool 16°C (61°F) to a sizzling 37°C (100°F). Expect about 86 mm (3.4 in) of precipitation spread over 9 days, contributing to an average humidity of 78%.

June Temperature in Allen

In June in Allen, the average temperature is 27°C (81°F), with maximums that can reach 37°C (100°F) and minimums that can drop to 16°C (61°F). This makes it an ideal time for travelers looking to enjoy warm weather while also experiencing cooler evenings.

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

The chart illustrates June temperature patterns in Allen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allen, June typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (100°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec464960657481858479675651
Data source: Temperature data for Allen 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 Allen

In Allen in June, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

June Precipitation Trends in Allen

The chart displays monthly precipitation patterns in Allen, 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 Allen, June typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec59102120121177865198921465967
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Allen

In Allen 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 Allen

This chart illustrates the average monthly humidity levels in Allen, 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 Allen 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 Allen

In Allen 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 Allen.

Maximum UV Index Levels in Allen for June

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

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

This table compares monthly weather conditions in Allen, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)59 mm (2.3 inches)80%moderate
February Weather9°C (49°F)102 mm (4.0 inches)79%high
March Weather15°C (60°F)120 mm (4.7 inches)78%very high
April Weather18°C (65°F)121 mm (4.8 inches)78%very high
May Weather23°C (74°F)177 mm (7.0 inches)81%extreme
June Weather27°C (81°F)86 mm (3.4 inches)78%extreme
July Weather29°C (85°F)50 mm (2.0 inches)73%extreme
August Weather29°C (85°F)98 mm (3.9 inches)66%extreme
September Weather26°C (79°F)92 mm (3.6 inches)65%very high
October Weather20°C (68°F)146 mm (5.8 inches)72%very high
November Weather13°C (56°F)58 mm (2.3 inches)82%high
December Weather11°C (51°F)67 mm (2.6 inches)87%moderate

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