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
With the beginning of October, the average high-temperature shows a decrease, transitioning from a moderately hot 76.1°F (24.5°C) in September to a refreshing 63.9°F (17.7°C). The average temperature during October nights is registered at a frosty 46.2°F (7.9°C).Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 79%.Rainfall
In Mercersville, in October, during 12.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Mercersville, during the entire year, the rain falls for 162.4 days and collects up to 30.16" (766mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow. In Mercersville, during the entire year, snow falls for 24.4 days and aggregates up to 14.29" (363mm) of snow.Daylight
In Mercersville, the average length of the day in October is 11h and 9min.On the first day of October, sunrise is at 7:07 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:10 pm EDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 3 in October suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mercersville in October?
What are the most humid months?
What is the average humidity in October?
How much does it rain in October?
When does it start snowing?
How many hours of daylight does Mercersville have in October?
When are sunrise and sunset in October?
How many hours of sunshine does Mercersville have in October?
How high is the UV index in October?
Average temperature in October
Mercersville, MD
- Average high temperature in October: 63.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in October: 46.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in October
Mercersville, MD
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Mercersville, MD
- Average wind speed in October: 6.2mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in October
Mercersville, MD
- Average humidity in October: 79%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in October
Mercersville, MD
- Average rainfall in October: 2.68"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in October
Mercersville, MD
- Average rainfall days in October: 12.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in October
Mercersville, MD
- Average snowfall in October: 0.31"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Mercersville, MD
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mercersville, MD
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Mercersville, MD
- Average sunshine days in October: 16.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in October
Mercersville, MD
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Mercersville, MD
- Average cloud cover in October: 42
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Mercersville, MD
- Average visibility in October: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Mercersville, Maryland, USA
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