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June Weather in Joint Base Lewis McChord, United States

Last updated: June 24, 2025

In Joint Base Lewis McChord, United States, the average temperature in June hovers around 16°C (60°F). Expect a range from a cool 6°C (43°F) to a warm 39°C (103°F). Precipitation during this month totals 58 mm (2.3 in) across approximately 8 days, while average humidity stays high at 84%.

June Temperature in Joint Base Lewis McChord

In June in Joint Base Lewis McChord, the average temperature is 16°C (60°F). Maximums can reach 39°C (103°F) while minimums can dip as low as 6°C (43°F). Travelers should be prepared for a wide range of temperatures during this time.

June Weather in Joint Base Lewis McChord: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Joint Base Lewis McChord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joint Base Lewis McChord, June typically has an average temperature of 16°C (60°F), with highs reaching up to 39°C (103°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec413944495560656560504541
Data source: Temperature data for Joint Base Lewis McChord 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 Joint Base Lewis McChord

In Joint Base Lewis McChord in June, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

June Precipitation Trends in Joint Base Lewis McChord

The chart displays monthly precipitation patterns in Joint Base Lewis McChord, 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 Joint Base Lewis McChord, June typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1831891361186858111390142180201
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Joint Base Lewis McChord

In Joint Base Lewis McChord in June humidity is 84%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel muggy and potentially exhausting for travelers.

June Average Humidity in Joint Base Lewis McChord

This chart illustrates the average monthly humidity levels in Joint Base Lewis McChord, 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 Joint Base Lewis McChord is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Joint Base Lewis McChord

In Joint Base Lewis McChord in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Joint Base Lewis McChord.

Maximum UV Index Levels in Joint Base Lewis McChord for June

The chart shows the monthly maximum UV Index (UVI) for Joint Base Lewis McChord 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 Joint Base Lewis McChord typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Joint Base Lewis McChord 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 Joint Base Lewis McChord Compares to Other Months

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

This table compares monthly weather conditions in Joint Base Lewis McChord, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)183 mm (7.2 inches)86%low
February Weather4°C (40°F)189 mm (7.4 inches)84%moderate
March Weather7°C (44°F)136 mm (5.4 inches)85%moderate
April Weather9°C (49°F)118 mm (4.7 inches)83%high
May Weather13°C (55°F)68 mm (2.7 inches)84%very high
June Weather16°C (60°F)58 mm (2.3 inches)84%very high
July Weather18°C (65°F)11 mm (0.4 inches)82%very high
August Weather18°C (66°F)13 mm (0.5 inches)73%very high
September Weather16°C (60°F)90 mm (3.5 inches)74%high
October Weather10°C (51°F)142 mm (5.6 inches)83%moderate
November Weather7°C (45°F)180 mm (7.1 inches)86%moderate
December Weather5°C (41°F)201 mm (7.9 inches)87%low

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