Last updated: June 24, 2025
In October, the average temperature in John Day, United States hovers around 6°C (44°F). Be prepared for a wide temperature range, as it can dip as low as -13°C (10°F) and soar up to 27°C (81°F). Expect around 56 mm (2.2 in) of precipitation spread over 9 days, and a notable average humidity of 75%. Whether you're bundling up or gearing up for a mild day, the weather in John Day can be quite the adventure!
In October in John Day, the average temperature is 6°C (44°F). The maximum can reach 27°C (81°F), while the minimum can dip as low as -13°C (10°F). This wide temperature range means travelers should prepare for both warm days and chilly nights.
In John Day in October, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.
In John Day 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 John Day in October, 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 John Day, you can refer to this Hourly UV Index in John Day.
UV Risk Categories
Weather in John Day varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in John Day, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 70 mm (2.7 inches) | 86% | moderate |
| February Weather | -2°C (29°F) | 101 mm (4.0 inches) | 86% | moderate |
| March Weather | 2°C (35°F) | 78 mm (3.1 inches) | 85% | high |
| April Weather | 5°C (41°F) | 80 mm (3.1 inches) | 83% | very high |
| May Weather | 10°C (50°F) | 73 mm (2.9 inches) | 77% | very high |
| June Weather | 15°C (59°F) | 41 mm (1.6 inches) | 81% | extreme |
| July Weather | 20°C (69°F) | 3 mm (0.1 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 14 mm (0.6 inches) | 60% | very high |
| September Weather | 14°C (58°F) | 31 mm (1.2 inches) | 58% | very high |
| October Weather | 6°C (44°F) | 56 mm (2.2 inches) | 75% | high |
| November Weather | 1°C (35°F) | 62 mm (2.4 inches) | 85% | moderate |
| December Weather | -2°C (28°F) | 67 mm (2.6 inches) | 87% | low |