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October Weather in Sunnyside, United States

Last updated: June 24, 2025

In October, the average temperature in Sunnyside, United States hovers around 12°C (53°F). However, temperatures can fluctuate significantly, with minimums dipping as low as -9°C (15°F) and maximums soaring to 32°C (90°F). Expect a modest precipitation amount of 26 mm (1.0 in) over about 5 days, along with a high average humidity of 83%. This blend of conditions creates a unique climate that is both challenging and captivating!

October Temperature in Sunnyside

In October in Sunnyside, the average temperature is 12°C (53°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -9°C (15°F). Be prepared for a wide range of weather conditions while traveling in this region during this time.

October Weather in Sunnyside: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sunnyside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunnyside, October typically has an average temperature of 12°C (53°F), with highs reaching up to 32°C (90°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec343645546573807968534235
Data source: Temperature data for Sunnyside 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.

October Precipitation in Sunnyside

In Sunnyside in October, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

October Precipitation Trends in Sunnyside

The chart displays monthly precipitation patterns in Sunnyside, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sunnyside, October typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec43432524167159263135
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sunnyside

In Sunnyside in October humidity is 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

October Average Humidity in Sunnyside

This chart illustrates the average monthly humidity levels in Sunnyside, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sunnyside is approximately 83%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Sunnyside

In Sunnyside in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sunnyside.

Maximum UV Index Levels in Sunnyside for October

The chart shows the monthly maximum UV Index (UVI) for Sunnyside in October, 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 October, the maximum UV index in Sunnyside typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23569101097532
Data source: Sunnyside October 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 October Weather in Sunnyside Compares to Other Months

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

This table compares monthly weather conditions in Sunnyside, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)43 mm (1.7 inches)86%low
February Weather2°C (36°F)43 mm (1.7 inches)86%moderate
March Weather7°C (45°F)25 mm (1.0 inches)87%moderate
April Weather12°C (54°F)24 mm (1.0 inches)84%high
May Weather18°C (65°F)16 mm (0.6 inches)81%very high
June Weather23°C (73°F)7 mm (0.3 inches)82%very high
July Weather27°C (80°F)1 mm (0.0 inches)79%very high
August Weather26°C (79°F)5 mm (0.2 inches)63%very high
September Weather20°C (68°F)9 mm (0.4 inches)62%high
October Weather12°C (53°F)26 mm (1.0 inches)83%moderate
November Weather5°C (42°F)31 mm (1.2 inches)89%moderate
December Weather1°C (35°F)35 mm (1.4 inches)88%low

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