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
Weather in October
Temperature
The shift to October brings a decrease in the average high-temperature, falling from an agreeable 71.4°F (21.9°C) in September to a refreshing 58.3°F (14.6°C). An average low-temperature of 43°F (6.1°C) marks the nights throughout October.Humidity
In Grand Valley, Pennsylvania, the average relative humidity in October is 84%.Rainfall
In October, in Grand Valley, the rain falls for 15.9 days. Throughout October, 2.2" (56mm) of precipitation is accumulated. In Grand Valley, Pennsylvania, during the entire year, the rain falls for 160.2 days and collects up to 23.43" (595mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 85.6 snowfall days, and 26.54" (674mm) of snow is accumulated.Daylight
In Grand Valley, the average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 7:15 am and sunset at 6:59 pm. On the last day of October, sunrise is at 7:49 am and sunset at 6:13 pm EDT.
Sunshine
In October, the average sunshine is 4.5h.UV index
In Grand Valley, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in October translates into these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grand Valley in October?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
How many hours of daylight does Grand Valley have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Grand Valley have in October?
How high is the UV index in October in Grand Valley?
Average temperature in October
Grand Valley, PA
- Average high temperature in October: 58.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in October: 43°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in October
Grand Valley, PA
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Grand Valley, PA
- Average wind speed in October: 7.2mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in October
Grand Valley, PA
- Average humidity in October: 84%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (79%).
Average rainfall in October
Grand Valley, PA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is April (2.32").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in October
Grand Valley, PA
- Average rainfall days in October: 15.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in October
Grand Valley, PA
- Average snowfall in October: 0.31"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Grand Valley, PA
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Grand Valley, PA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 4h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in October
Grand Valley, PA
- Average sunshine days in October: 13.3 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in October
Grand Valley, PA
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in October
Grand Valley, PA
- Average cloud cover in October: 54
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in October
Grand Valley, PA
- Average visibility in October: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Grand Valley, Pennsylvania, USA
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