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April Weather in Redmond, United States

Last updated: June 24, 2025

In April, the average temperature in Redmond, United States hovers around 9°C (48°F). Expect temperatures to range from a chilly -4°C (24°F) to a warm 30°C (86°F). With an average humidity of 85%, you’ll want to be prepared for the 50 mm (2.0 in) of precipitation spread over 10 days. Make sure to pack accordingly!

April Temperature in Redmond

In April in Redmond, the average temperature is 9°C (48°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -4°C (24°F). Be sure to pack layers to stay comfortable during your travels.

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

The chart illustrates April temperature patterns in Redmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redmond, April typically has an average temperature of 9°C (48°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec353641485664737262494135
Data source: Temperature data for Redmond 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 Redmond

In Redmond in April, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.

April Precipitation Trends in Redmond

The chart displays monthly precipitation patterns in Redmond, 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 Redmond, April typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6478485028154625355466
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Redmond

In Redmond in April humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

April Average Humidity in Redmond

This chart illustrates the average monthly humidity levels in Redmond, 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 Redmond is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Redmond

In Redmond 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 Redmond.

Maximum UV Index Levels in Redmond for April

The chart shows the monthly maximum UV Index (UVI) for Redmond 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 Redmond typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098632
Data source: Redmond 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 Redmond Compares to Other Months

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

This table compares monthly weather conditions in Redmond, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)64 mm (2.5 inches)86%moderate
February Weather2°C (36°F)78 mm (3.1 inches)87%moderate
March Weather5°C (41°F)48 mm (1.9 inches)86%high
April Weather9°C (48°F)50 mm (2.0 inches)85%very high
May Weather13°C (56°F)28 mm (1.1 inches)80%very high
June Weather18°C (65°F)15 mm (0.6 inches)82%very high
July Weather23°C (73°F)4 mm (0.1 inches)78%very high
August Weather22°C (72°F)6 mm (0.2 inches)62%very high
September Weather17°C (62°F)25 mm (1.0 inches)59%very high
October Weather10°C (49°F)34 mm (1.4 inches)78%high
November Weather5°C (41°F)54 mm (2.1 inches)88%moderate
December Weather2°C (35°F)66 mm (2.6 inches)88%low

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