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 is characterized by a reduction in the average high-temperature, from a pleasant 72.9°F (22.7°C) in September to a mild 59.5°F (15.3°C). Mercer's nighttime temperature in October falls to an average of 43.9°F (6.6°C).Humidity
In Mercer, the average relative humidity in October is 83%.Rainfall
In Mercer, during October, the rain falls for 16.7 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 180.8 rainfall days, and 36.65" (931mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mercer. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.2" (5mm) of snow. In Mercer, during the entire year, snow falls for 76.2 days and aggregates up to 32.36" (822mm) of snow.Daylight
The average length of the day in October is 11h and 5min.On the first day of October, sunrise is at 7:18 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:17 pm EDT.
Sunshine
The average sunshine in October is 4.9h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In October, the maximum UV index of 2 transforms into these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for Mercer in October?
What is the average humidity in October in Mercer?
How much does it rain in Mercer in October?
When does it start to snow in Mercer?
How many hours of daylight does Mercer have in October?
When are sunrise and sunset in October in Mercer?
How long on average sun shines in October in Mercer?
What is the UV index intensity in October in Mercer?
Average temperature in October
Mercer, PA
- Average high temperature in October: 59.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in October: 43.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in October
Mercer, PA
- Average pressure in October: 30.02"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
Mercer, PA
- Average wind speed in October: 6.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in October
Mercer, PA
- Average humidity in October: 83%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and July (79%).
Average rainfall in October
Mercer, PA
- Average rainfall in October: 3.27"
The wettest months (with the highest rainfall) are April and June (3.74").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in October
Mercer, PA
- Average rainfall days in October: 16.7 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in October
Mercer, PA
- Average snowfall in October: 0.2"
The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Mercer, PA
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mercer, PA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in October
Mercer, PA
- Average sunshine days in October: 11.7 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (6.2 days).
Average UV index in October
Mercer, PA
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Mercer, PA
- Average cloud cover in October: 51
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in October
Mercer, 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).
Mercer, Pennsylvania, USA
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