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
October involves a decrease in temperature, down from a moderately hot 75.4°F (24.1°C) in September to an enjoyable 61.9°F (16.6°C). Port Perry experiences a consistent average temperature of 45.1°F (7.3°C) throughout the nights in October.Humidity
The average relative humidity in October is 80%.Rainfall
In Port Perry, Pennsylvania, in October, it is raining for 12.5 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Port Perry, during the entire year, snow falls for 35.4 days and aggregates up to 10.35" (263mm) of snow.Daylight
In October, the average length of the day is 11h and 7min.On the first day of October in Port Perry, sunrise is at 7:16 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 6:17 pm EDT.
Sunshine
In October, the average sunshine is 5.3h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
How much does it rain in October?
When does it start snowing?
What is the average length of the day in October in Port Perry?
When are sunrise and sunset in October?
How many hours of sunshine does Port Perry have in October?
How high is the UV index in October?
Average temperature in October
Port Perry, PA
- Average high temperature in October: 61.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in October: 45.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in October
Port Perry, PA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Port Perry, PA
- Average wind speed in October: 6.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in October
Port Perry, PA
- Average humidity in October: 80%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in October
Port Perry, PA
- Average rainfall in October: 1.42"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in October
Port Perry, PA
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in October
Port Perry, PA
- Average snowfall in October: 0.16"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Port Perry, PA
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Port Perry, PA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in October
Port Perry, PA
- Average sunshine days in October: 15.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in October
Port Perry, PA
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Port Perry, PA
- Average cloud cover in October: 47
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in October
Port Perry, PA
- Average visibility in October: 5mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Port Perry, Pennsylvania, USA
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