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April Weather in Tumwater, United States

Last updated: June 24, 2025

In April, the average temperature in Tumwater, United States hovers around 10°C (50°F). Expect a range in temperatures from a chilly -1°C (31°F) to a warm 25°C (78°F). During this time, the area receives approximately 117 mm (4.6 in) of precipitation over 14 days, contributing to a lush, vibrant environment and an average humidity of 83%.

April Temperature in Tumwater

In April in Tumwater, the average temperature is 10°C (50°F). Maximums can reach 25°C (78°F), and minimums can be as low as -1°C (31°F). This variation in temperatures makes it essential for travelers to pack layers for comfort during their visit.

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

The chart illustrates April temperature patterns in Tumwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tumwater, April typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (78°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec424145505661656661524641
Data source: Temperature data for Tumwater 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 Tumwater

In Tumwater in April, the precipitation amount is 117 mm (4.6 in) spread over 14 days.

April Precipitation Trends in Tumwater

The chart displays monthly precipitation patterns in Tumwater, 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 Tumwater, April typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec197155134117655191288134192203
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Tumwater

In Tumwater in April, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

April Average Humidity in Tumwater

This chart illustrates the average monthly humidity levels in Tumwater, 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 Tumwater is approximately 83%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Tumwater

In Tumwater in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Tumwater, you can refer to this Hourly UV Index in Tumwater.

Maximum UV Index Levels in Tumwater for April

The chart shows the monthly maximum UV Index (UVI) for Tumwater 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 Tumwater typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Tumwater 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 Tumwater Compares to Other Months

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

This table compares monthly weather conditions in Tumwater, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)197 mm (7.8 inches)86%low
February Weather5°C (41°F)155 mm (6.1 inches)84%moderate
March Weather7°C (45°F)134 mm (5.3 inches)85%moderate
April Weather10°C (50°F)117 mm (4.6 inches)83%high
May Weather13°C (56°F)65 mm (2.6 inches)84%very high
June Weather16°C (61°F)51 mm (2.0 inches)84%very high
July Weather18°C (65°F)9 mm (0.4 inches)82%very high
August Weather19°C (66°F)12 mm (0.5 inches)73%very high
September Weather16°C (61°F)88 mm (3.5 inches)74%high
October Weather11°C (52°F)133 mm (5.3 inches)83%moderate
November Weather8°C (46°F)192 mm (7.5 inches)86%moderate
December Weather5°C (42°F)203 mm (8.0 inches)87%low

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