Last updated: June 24, 2025
In La Grande, United States, the average temperature in October hovers around 6°C (44°F). Expect a chilly minimum of -12°C (11°F), with the mercury occasionally rising to a pleasant 25°C (78°F). During this month, precipitation amounts to 64 mm (2.5 in), typically spread over 10 days, while the average humidity sits at a humid 75%. Embrace the variety of weather this month offers!
In October in La Grande, the average temperature is 6°C (44°F). The maximum can reach 25°C (78°F), and the minimum can be as low as -12°C (11°F). Be prepared for a range of temperatures when traveling to La Grande during this month, as you'll experience both warm days and chilly nights.
In La Grande in October, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.
In La Grande in October humidity is 75%. With an average temperature of 6°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making travel less enjoyable as the moisture clings to your skin and seeps into your clothes, leaving you feeling uncomfortable and clammy.
In La Grande 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 La Grande.
UV Risk Categories
Weather in La Grande varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in La Grande, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 86 mm (3.4 inches) | 86% | moderate |
| February Weather | -3°C (28°F) | 130 mm (5.1 inches) | 86% | moderate |
| March Weather | 2°C (36°F) | 89 mm (3.5 inches) | 85% | high |
| April Weather | 5°C (42°F) | 86 mm (3.4 inches) | 83% | very high |
| May Weather | 10°C (50°F) | 77 mm (3.0 inches) | 77% | very high |
| June Weather | 14°C (58°F) | 44 mm (1.7 inches) | 81% | very high |
| July Weather | 20°C (68°F) | 3 mm (0.1 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 16 mm (0.6 inches) | 60% | very high |
| September Weather | 14°C (57°F) | 35 mm (1.4 inches) | 58% | very high |
| October Weather | 6°C (44°F) | 64 mm (2.5 inches) | 75% | moderate |
| November Weather | 2°C (35°F) | 79 mm (3.1 inches) | 85% | moderate |
| December Weather | -2°C (29°F) | 96 mm (3.8 inches) | 87% | low |