Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
As October begins, there is a noticeable decrease in the average high-temperature, falling from an agreeable 21.8°C in September to a moderate 13.5°C. Greenhorn reports an average nighttime low-temperature of 2°C in October.Humidity
In Greenhorn, the average relative humidity in October is 63%.Rainfall
In Greenhorn, in October, it is raining for 11.5 days, with typically 33mm of accumulated precipitation. Throughout the year, in Greenhorn, there are 127.7 rainfall days, and 434mm of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In October, it is snowing for 1.3 days. Throughout October, 14mm of snow is accumulated. Throughout the year, there are 62.5 snowfall days, and 995mm of snow is accumulated.Daylight
The average length of the day in October is 10h and 57min.On the first day of the month, sunrise is at 6:52 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:31 am and sunset at 5:43 pm PDT.
Sunshine
The average sunshine in October is 7.1h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during October translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greenhorn in October?
What is the average humidity in October?
How much does it rain in October?
How many days does it snow in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Greenhorn have in October?
What is the month with the lowest UV index?
What is the UV index reading in October?
Average temperature in October
Greenhorn, OR
- Average high temperature in October: 13.5°C
The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is December (0.8°C).
- Average low temperature in October: 2°C
The month with the highest average low temperature is August (9.8°C).
The coldest month (with the lowest average low temperature) is December (-6.9°C).
Average pressure in October
Greenhorn, OR
- Average pressure in October: 1017.7mbar
The month with the highest atmospheric pressure is January (1023.2mbar).
The month with the lowest atmospheric pressure is August (1013.6mbar).
Average wind speed in October
Greenhorn, OR
- Average wind speed in October: 8.6km/h
The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.1km/h).
Average humidity in October
Greenhorn, OR
- Average humidity in October: 63%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in October
Greenhorn, OR
- Average rainfall in October: 33mm
The wettest month (with the highest rainfall) is February (58mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in October
Greenhorn, OR
- Average rainfall days in October: 11.5 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in October
Greenhorn, OR
- Average snowfall in October: 14mm
The month with the highest snowfall is February (262mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in October
Greenhorn, OR
- Average snowfall days in October: 1.3 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Greenhorn, OR
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in October: 7h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in October
Greenhorn, OR
- Average sunshine days in October: 18.1 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).
Average UV index in October
Greenhorn, OR
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Greenhorn, OR
- Average cloud cover in October: 29
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in October
Greenhorn, OR
- Average visibility in October: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and December (7km).