October weather forecast
Merlin, PA

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Weather in October

October, the same as September, is another enjoyable autumn month in Merlin, Pennsylvania, with an average temperature varying between 63.5°F (17.5°C) and 48.4°F (9.1°C).

Temperature

The start of October involves a temperature drop, moving from a warm 75.7°F (24.3°C) in September to a comfortable 63.5°F (17.5°C). Merlin records a mean low-temperature of 48.4°F (9.1°C) in October.

Humidity

In October, the average relative humidity is 79%.

Rainfall

In Merlin, in October, during 10.5 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Merlin, during the entire year, the rain falls for 132.3 days and collects up to 13.98" (355mm) of precipitation.

Snowfall

In Merlin, snow does not fall in April through October.

Daylight

In October, the average length of the day is 11h and 8min.
On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:00 pm EDT.

Sunshine

The average sunshine in October in Merlin is 5.5h.

UV index

The average daily maximum UV index in October in Merlin is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 3 in October translates into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What is the usual temperature for Merlin in October?

Merlin in October has an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 48.4°F (9.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is evaluated at 89.6°F (32°C).

What is the average humidity in October?

In Merlin, the average relative humidity in October is 79%.

How many days does it rain in October?

In Merlin, in October, it is raining for 10.5 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in October?

In Merlin, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Merlin have in October?

The average day length in October is 11h and 8min.

When is the sunrise / sunset in October?

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 7:31 am and sunset at 6:00 pm EDT.

How many hours of sunshine does Merlin have in October?

In October, the average sunshine duration is 5.5h.

What is the UV index intensity in October?

In Merlin, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Merlin, PA

Average temperature in October - Merlin, PA
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in October: 48.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in October
Merlin, PA

Average pressure in October - Merlin, 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
Merlin, PA

Average wind speed in October - Merlin, PA
  • Average wind speed in October: 6.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in October
Merlin, PA

Average humidity in October - Merlin, PA
  • Average humidity in October: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in October
Merlin, PA

Average rainfall in October - Merlin, PA
  • Average rainfall in October: 1.02"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in October
Merlin, PA

Average rainfall days in October - Merlin, PA
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in October
Merlin, PA

Average snowfall in October - Merlin, PA
  • Average snowfall in October: 0"

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Merlin, PA

Average snowfall days in October - Merlin, PA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Merlin, PA

Average daylight in October / Average sunshine in October - Merlin, 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 24min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Merlin, PA

Average sunshine days in October - Merlin, PA
  • Average sunshine days in October: 18.1 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in October
Merlin, PA

Average UV index in October - Merlin, PA
  • 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, March, November and December (UV index 2).

Average cloud cover in October
Merlin, PA

Average cloud cover in October - Merlin, PA
  • Average cloud cover in October: 43

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in October
Merlin, PA

Average visibility in October - Merlin, PA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Merlin, Pennsylvania, USA

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