October weather forecastMerrian, PA
October
Weather in October
October, like September, is a moderate autumn month in Merrian, Pennsylvania, with an average temperature varying between 60.6°F (15.9°C) and 44.2°F (6.8°C).Temperature
Merrian's weather changes with the onset of October, slightly falling from a pleasant 72.9°F (22.7°C) in September to a moderate 60.6°F (15.9°C). The nights of October in Merrian anticipate an average low-temperature of 44.2°F (6.8°C).Humidity
The average relative humidity in October in Merrian is 81%.Rainfall
In Merrian, in October, it is raining for 10.6 days, with typically 1.26" (32mm) of accumulated precipitation. In Merrian, during the entire year, the rain falls for 129.2 days and collects up to 16.42" (417mm) of precipitation.Snowfall
Months with snowfall in Merrian are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 28.6 snowfall days, and 9.37" (238mm) of snow is accumulated.Daylight
The average length of the day in October in Merrian is 11h and 6min.On the first day of October in Merrian, sunrise is at 7:02 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:02 pm EDT.
Sunshine
In Merrian, Pennsylvania, the average sunshine in October is 5.2h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Merrian, PA
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in October: 44.2°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in October
Merrian, 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 (29.94"Hg).
Average wind speed in October
Merrian, PA
- Average wind speed in October: 6.7mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in October
Merrian, PA
- Average humidity in October: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in October
Merrian, PA
- Average rainfall in October: 1.26"
The wettest months (with the highest rainfall) are May and July (1.97").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in October
Merrian, PA
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in October
Merrian, PA
- Average snowfall in October: 0.2"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Merrian, PA
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (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
Merrian, PA
- Average daylight in October: 11h and 6min
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: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in October
Merrian, PA
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in October
Merrian, PA
- Average UV index in October: 3
The month with the highest UV index is June (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
Merrian, PA
- Average cloud cover in October: 46
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in October
Merrian, PA
- Average visibility in October: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
