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June Weather in Snohomish, United States

Last updated: June 24, 2025

The average temperature in Snohomish, United States during June is a pleasant 15°C (60°F). However, temperatures can range from a cool 5°C (41°F) to a scorching 40°C (104°F). Travelers should prepare for occasional rainfall, with an average of 89 mm (3.5 in) spread across 10 days. Don't forget, the average humidity sits at a humid 82%, creating a tropical feel in the air.

June Temperature in Snohomish

In June, in Snohomish, the average temperature is 15°C (60°F). Maximums can reach 40°C (104°F), while minimums can drop to as low as 5°C (41°F). Given this temperature range, it's advisable to pack both light clothing for the heat and layers for cooler evenings during your travels.

June Weather in Snohomish: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Snohomish, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Snohomish, June typically has an average temperature of 15°C (60°F), with highs reaching up to 40°C (104°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec403843485559646459494439
Data source: Temperature data for Snohomish 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 Snohomish

In Snohomish in June, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

June Precipitation Trends in Snohomish

The chart displays monthly precipitation patterns in Snohomish, 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 Snohomish, June typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec25527220317299903232131246302296
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Snohomish

In Snohomish in June humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

June Average Humidity in Snohomish

This chart illustrates the average monthly humidity levels in Snohomish, 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 Snohomish is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Snohomish

In Snohomish 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 Snohomish.

Maximum UV Index Levels in Snohomish for June

The chart shows the monthly maximum UV Index (UVI) for Snohomish 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 Snohomish typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987522
Data source: Snohomish 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 Snohomish Compares to Other Months

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

This table compares monthly weather conditions in Snohomish, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)255 mm (10.0 inches)86%low
February Weather3°C (38°F)272 mm (10.7 inches)86%moderate
March Weather6°C (44°F)203 mm (8.0 inches)87%moderate
April Weather9°C (49°F)172 mm (6.8 inches)84%high
May Weather13°C (55°F)99 mm (3.9 inches)81%very high
June Weather15°C (60°F)89 mm (3.5 inches)82%very high
July Weather18°C (64°F)32 mm (1.3 inches)79%very high
August Weather18°C (64°F)32 mm (1.3 inches)63%very high
September Weather15°C (59°F)131 mm (5.2 inches)62%high
October Weather9°C (49°F)246 mm (9.7 inches)83%moderate
November Weather7°C (44°F)302 mm (11.9 inches)89%low
December Weather4°C (39°F)295 mm (11.6 inches)88%low

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