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 average high-temperature decreases in October, shifting from a moderately hot 74.5°F (23.6°C) in September to an enjoyable 62.1°F (16.7°C). The average temperature in Mertztown drops to a frosty 46°F (7.8°C) during the night in the month of October.Humidity
In Mertztown, Pennsylvania, the average relative humidity in October is 80%.Rainfall
In Mertztown, during October, the rain falls for 13.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Mertztown, during the entire year, the rain falls for 155.8 days and collects up to 30.75" (781mm) of precipitation.Snowfall
Months with snowfall in Mertztown are January through May, October through December. October is the first month it typically snows in Mertztown. Throughout October, in the average 0.1 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, in Mertztown, there are 29.4 snowfall days, and 15.87" (403mm) of snow is accumulated.Daylight
In October, the average length of the day in Mertztown is 11h and 7min.On the first day of October, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:00 pm EDT.
Sunshine
In Mertztown, the average sunshine in October is 5.3h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 3 in October translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average October temperature in Mertztown?
What is the average humidity in October in Mertztown?
How many days does it rain in October in Mertztown?
When does it start to snow in Mertztown?
How many hours of daylight does Mertztown have in October?
When are sunrise and sunset in October in Mertztown?
How many hours of sunshine does Mertztown have in October?
What is the UV index intensity in October in Mertztown?
Average temperature in October
Mertztown, 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 (34.3°F).
- Average low temperature in October: 46°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
Mertztown, 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
Mertztown, 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 (4.9mph).
Average humidity in October
Mertztown, 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
Mertztown, PA
- Average rainfall in October: 2.68"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in October
Mertztown, PA
- Average rainfall days in October: 13.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in October
Mertztown, PA
- Average snowfall in October: 0.39"
The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Mertztown, PA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mertztown, 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 July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in October
Mertztown, PA
- Average sunshine days in October: 15.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in October
Mertztown, 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
Mertztown, PA
- Average cloud cover in October: 44
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in October
Mertztown, PA
- Average visibility in October: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Mertztown, Pennsylvania, USA
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