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July Weather in The Dalles, United States

Last updated: June 24, 2025

In July, the average temperature in The Dalles, United States hovers around 22°C (71°F), offering a pleasant climate. However, be prepared for extremes, as temperatures can dip to a cool 7°C (45°F) or soar to a scorching 40°C (104°F). Rain is a rarity, with just 2 mm (0.1 in) expected across 0 days. Typically, the average humidity sits at a comfortable 78%, making it a delightful time to explore this charming destination.

July Temperature in The Dalles

In July in The Dalles, the average temperature is 22°C (71°F). Maximums can reach 40°C (104°F), and minimums can be as low as 7°C (45°F). This climate offers travelers a pleasant range of temperatures, perfect for both outdoor adventures and cozy evenings.

July Weather in The Dalles: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in The Dalles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In The Dalles, July typically has an average temperature of 22°C (71°F), with highs reaching up to 40°C (104°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec343541485664717163504135
Data source: Temperature data for The Dalles 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.

July Precipitation in The Dalles

In The Dalles in July, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

July Precipitation Trends in The Dalles

The chart displays monthly precipitation patterns in The Dalles, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In The Dalles, July typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1121237569312224345893118
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in The Dalles

In The Dalles in July humidity is 78%. With an average temperature of 22°C (71°F), this humidity feels like a warm, tropical embrace that can make even short walks feel sticky and intense, leaving travelers seeking shade and a refreshing drink to cool down.

July Average Humidity in The Dalles

This chart illustrates the average monthly humidity levels in The Dalles, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in The Dalles is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in The Dalles

In The Dalles in July, 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 The Dalles.

Maximum UV Index Levels in The Dalles for July

The chart shows the monthly maximum UV Index (UVI) for The Dalles in July, 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 July, the maximum UV index in The Dalles typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: The Dalles July 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 July Weather in The Dalles Compares to Other Months

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

This table compares monthly weather conditions in The Dalles, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)112 mm (4.4 inches)86%low
February Weather2°C (35°F)123 mm (4.8 inches)87%moderate
March Weather5°C (41°F)75 mm (3.0 inches)86%high
April Weather9°C (48°F)69 mm (2.7 inches)85%high
May Weather14°C (57°F)31 mm (1.2 inches)80%very high
June Weather18°C (64°F)22 mm (0.9 inches)82%very high
July Weather22°C (71°F)2 mm (0.1 inches)78%very high
August Weather22°C (72°F)4 mm (0.2 inches)62%very high
September Weather17°C (63°F)34 mm (1.4 inches)59%very high
October Weather10°C (50°F)58 mm (2.3 inches)78%moderate
November Weather5°C (41°F)93 mm (3.6 inches)88%moderate
December Weather1°C (35°F)118 mm (4.6 inches)88%low

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