October weather forecastAllentown, PA
October
Weather in October
The weather in Allentown in October is a mix of crisp fall temperatures and cloudy skies. The almost 6.6mph (10.6km/h) breeze complements the dropping temperatures, making the leaf-peeping season an enjoyable time. Nature bursts into a riot of colors, highlighting the change in seasons. The drop in temperature does not significantly affect the average precipitation, signifying that residents often carry umbrellas alongside their jackets and sweaters.Temperature
A moderate decline in the average high-temperature is seen during October, decreasing from a moderately hot 74.3°F (23.5°C) in September to a refreshing 62.1°F (16.7°C). In Allentown, the October nights cool down to an average low of 46.2°F (7.9°C).Humidity
In October, the average relative humidity is 80%.Rainfall
In Allentown, during October, the rain falls for 11.9 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Allentown, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 20.4 snowfall days, and 13.82" (351mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 7min.On the first day of October, sunrise is at 6:59 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:59 pm EDT.
Sunshine
In Allentown, the average sunshine in October is 5.4h.UV index
In Allentown, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 3 in October transforms into this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Allentown, PA
- Average high temperature in October: 62.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in October: 46.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in October
Allentown, PA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Allentown, PA
- Average wind speed in October: 6.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Allentown, PA
- Average humidity in October: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in October
Allentown, PA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in October
Allentown, PA
- Average rainfall days in October: 11.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in October
Allentown, PA
- Average snowfall in October: 0.28"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Allentown, PA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Allentown, PA
- Average daylight in October: 11h and 6min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in October
Allentown, PA
- Average sunshine days in October: 17 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in October
Allentown, PA
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Allentown, PA
- Average cloud cover in October: 45
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in October
Allentown, PA
- Average visibility in October: 5mi
The months with the highest visibility are April, July and November (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September, October and December (5mi).
