October weather forecast
Merrian, PA

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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.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Merrian?

The average high-temperature, in October, in Merrian, is 60.6°F (15.9°C), while the average low-temperature is 44.2°F (6.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in October in Merrian?

In October, the average relative humidity in Merrian, Pennsylvania, is 81%.

How many days does it rain in October in Merrian?

In October, in Merrian, Pennsylvania, the rain falls for 10.6 days. Throughout October, 1.26" (32mm) of precipitation is accumulated.

When does it start to snow in Merrian?

October is the first month it typically snows in Merrian. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Merrian have in October?

In Merrian, the average day length in October is 11h and 6min.

When is the sunrise / sunset in October in Merrian?

On the first day of October, 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.

How long on average sun shines in October in Merrian?

In Merrian, Pennsylvania, the average sunshine duration in October is 5.2h.

What is the UV index reading in October in Merrian?

In Merrian, Pennsylvania, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Merrian, PA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in October - Merrian, 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: 5h and 1min

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 - 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 - 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 - 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 - 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).

Merrian, Pennsylvania, USA

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