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October Weather in Grannis, United States

Last updated: June 24, 2025

In October, the average temperature in Grannis, United States hovers around 18°C (64°F). Visitors should be prepared for a range of temperatures, with a minimum plummeting to -1°C (30°F) and a maximum soaring to 33°C (92°F). This month typically experiences 131 mm (5.1 in) of precipitation over about 10 days, coupled with an average humidity of 69%. Enjoy the mix of warm days and refreshing showers!

October Temperature in Grannis

In October in Grannis, the average temperature is 18°C (64°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -1°C (30°F). It's advisable to pack layers and be prepared for both warm days and chilly nights during your travels.

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

The chart illustrates October temperature patterns in Grannis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grannis, October typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434656617078818076645248
Data source: Temperature data for Grannis 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 Grannis

In Grannis in October, the total precipitation amount is 131 mm (5.1 in) over a period of 10 days.

October Precipitation Trends in Grannis

The chart displays monthly precipitation patterns in Grannis, 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 Grannis, October typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071591611941951051021087113183137
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grannis

In Grannis in October humidity is 69%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making traveling both comfortable and slightly sticky as you explore the scenery.

October Average Humidity in Grannis

This chart illustrates the average monthly humidity levels in Grannis, 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 Grannis is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grannis

In Grannis in October, 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 Grannis.

Maximum UV Index Levels in Grannis for October

The chart shows the monthly maximum UV Index (UVI) for Grannis 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 Grannis typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010854
Data source: Grannis 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 Grannis Compares to Other Months

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

This table compares monthly weather conditions in Grannis, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)107 mm (4.2 inches)82%moderate
February Weather8°C (46°F)159 mm (6.3 inches)79%high
March Weather13°C (56°F)161 mm (6.4 inches)77%very high
April Weather16°C (61°F)194 mm (7.6 inches)78%very high
May Weather21°C (71°F)195 mm (7.7 inches)82%extreme
June Weather26°C (78°F)105 mm (4.1 inches)81%extreme
July Weather27°C (81°F)102 mm (4.0 inches)75%extreme
August Weather27°C (80°F)108 mm (4.3 inches)61%very high
September Weather24°C (76°F)71 mm (2.8 inches)59%very high
October Weather18°C (64°F)131 mm (5.1 inches)69%very high
November Weather11°C (52°F)83 mm (3.3 inches)82%moderate
December Weather9°C (48°F)137 mm (5.4 inches)87%moderate

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