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June Weather in Spokane Valley, United States

Last updated: June 24, 2025

In June, the average temperature in Spokane Valley, United States is a pleasant 19°C (66°F). However, temperatures can vary significantly, with minimums dipping to 6°C (43°F) and soaring as high as 44°C (111°F). Expect a bit of rain, with 24 mm (0.9 in) of precipitation spread over 4 days, complemented by an average humidity of 78%.

June Temperature in Spokane Valley

In June in Spokane Valley, the average temperature is 19°C (66°F). Maximum can reach 44°C (111°F), and minimum can be as low as 6°C (43°F). Be prepared for significant temperature fluctuations when traveling during this time.

June Weather in Spokane Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Spokane Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spokane Valley, June typically has an average temperature of 19°C (66°F), with highs reaching up to 44°C (111°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec303039465765747361473832
Data source: Temperature data for Spokane Valley 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 Spokane Valley

In Spokane Valley in June, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

June Precipitation Trends in Spokane Valley

The chart displays monthly precipitation patterns in Spokane Valley, 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 Spokane Valley, June typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec82746560532441035628883
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Spokane Valley

In Spokane Valley in June, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

June Average Humidity in Spokane Valley

This chart illustrates the average monthly humidity levels in Spokane Valley, 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 Spokane Valley is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Spokane Valley

In Spokane Valley 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 Spokane Valley.

Maximum UV Index Levels in Spokane Valley for June

The chart shows the monthly maximum UV Index (UVI) for Spokane Valley 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 Spokane Valley typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2456891097532
Data source: Spokane Valley 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 Spokane Valley Compares to Other Months

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

This table compares monthly weather conditions in Spokane Valley, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)82 mm (3.2 inches)89%low
February Weather-1°C (30°F)74 mm (2.9 inches)89%moderate
March Weather4°C (39°F)65 mm (2.6 inches)87%moderate
April Weather8°C (47°F)60 mm (2.4 inches)84%high
May Weather14°C (57°F)53 mm (2.1 inches)77%very high
June Weather19°C (66°F)24 mm (0.9 inches)78%very high
July Weather23°C (74°F)4 mm (0.2 inches)77%very high
August Weather23°C (73°F)10 mm (0.4 inches)64%very high
September Weather16°C (62°F)35 mm (1.4 inches)62%high
October Weather8°C (47°F)62 mm (2.4 inches)79%moderate
November Weather3°C (38°F)88 mm (3.5 inches)87%moderate
December Weather0°C (32°F)83 mm (3.2 inches)90%low

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