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April Weather in Wallowa, United States

Last updated: June 24, 2025

In April, the average temperature in Wallowa, United States hovers around 3°C (38°F), with a potential low of -10°C (15°F) and a warm high reaching 21°C (70°F). Expect 93 mm (3.6 in) of precipitation spread over 14 days, while the air maintains a muggy 83% humidity. Be prepared for varying weather conditions throughout the month!

April Temperature in Wallowa

In April in Wallowa, the average temperature is 3°C (38°F). The maximum can reach 21°C (70°F), while the minimum can drop as low as -10°C (15°F). Be prepared for varying temperatures during your travels, as it's essential to dress in layers to accommodate both warm and chilly conditions.

April Weather in Wallowa: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Wallowa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wallowa, April typically has an average temperature of 3°C (38°F), with highs reaching up to 21°C (70°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec262633384655666455413226
Data source: Temperature data for Wallowa 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.

April Precipitation in Wallowa

In Wallowa in April, the total precipitation amount is 93 mm (3.6 in), occurring over the course of 14 days.

April Precipitation Trends in Wallowa

The chart displays monthly precipitation patterns in Wallowa, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Wallowa, April typically receives around 93 mm (3.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec911471079393601134457990101
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Wallowa

In Wallowa in April humidity is 83%. With an average temperature of 3°C (38°F), this humidity feels like a cold, damp embrace that chills you to the bone, making outdoor activities feel brisk and uncomfortable for traveling.

April Average Humidity in Wallowa

This chart illustrates the average monthly humidity levels in Wallowa, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Wallowa is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%85%83%77%81%77%60%58%75%85%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Wallowa

In Wallowa in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Wallowa.

Maximum UV Index Levels in Wallowa for April

The chart shows the monthly maximum UV Index (UVI) for Wallowa in April, 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 April, the maximum UV index in Wallowa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810101098532
Data source: Wallowa April 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 April Weather in Wallowa Compares to Other Months

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

This table compares monthly weather conditions in Wallowa, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)90 mm (3.6 inches)86%moderate
February Weather-3°C (26°F)147 mm (5.8 inches)86%moderate
March Weather1°C (33°F)107 mm (4.2 inches)85%high
April Weather3°C (38°F)93 mm (3.6 inches)83%very high
May Weather8°C (46°F)93 mm (3.7 inches)77%very high
June Weather13°C (56°F)60 mm (2.4 inches)81%very high
July Weather19°C (66°F)11 mm (0.4 inches)76%very high
August Weather18°C (65°F)34 mm (1.3 inches)60%very high
September Weather13°C (55°F)45 mm (1.8 inches)58%very high
October Weather5°C (41°F)79 mm (3.1 inches)75%moderate
November Weather0°C (32°F)90 mm (3.5 inches)85%moderate
December Weather-4°C (26°F)101 mm (4.0 inches)87%low

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