October weather forecast
Saint Johns, PA

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Weather in October

October, the same as September, in Saint Johns, Pennsylvania, is another mild autumn month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 58.8°F (14.9°C).

Temperature

October brings a drop in Saint Johns's average high-temperature, falling from a pleasant 72°F (22.2°C) in September to a moderate 58.8°F (14.9°C). Saint Johns records a mean low-temperature of 43.7°F (6.5°C) in October.

Humidity

In October, the average relative humidity is 82%.

Rainfall

In Saint Johns, Pennsylvania, in October, it is raining for 9.2 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 111.5 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Saint Johns. Throughout October, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Saint Johns, there are 31.5 snowfall days, and 7.28" (185mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 6min.
On the first day of October in Saint Johns, sunrise is at 7:01 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:00 pm EDT.

Sunshine

In Saint Johns, the average sunshine in October is 4.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 during October translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What are October temperatures in Saint Johns?

The high-temperature, in October, in Saint Johns, records 58.8°F (14.9°C), while the low-temperature is 43.7°F (6.5°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the average humidity in October in Saint Johns?

In October, the average relative humidity in Saint Johns is 82%.

How many days does it rain in October in Saint Johns?

In Saint Johns, in October, it is raining for 9.2 days, with typically 0.91" (23mm) of accumulated precipitation.

When does it start to snow in Saint Johns?

October is the first month it typically snows in Saint Johns. Throughout October, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in October in Saint Johns?

The average day length in October in Saint Johns is 11h and 6min.

What time are sunrise and sunset in October in Saint Johns?

In October, on the first day of the month, sunrise is at 7:01 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:00 pm EDT.

How long on average sun shines in October in Saint Johns?

In October, the average sunshine duration in Saint Johns, Pennsylvania, is 4.9h.

What is the month with the lowest UV index in Saint Johns?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Saint Johns.

What is the UV index intensity in October in Saint Johns?

The average daily maximum UV index in October in Saint Johns, Pennsylvania, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Saint Johns, PA

Average temperature in October - Saint Johns, PA
  • Average high temperature in October: 58.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 43.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in October
Saint Johns, PA

Average pressure in October - Saint Johns, 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).

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Average wind speed in October
Saint Johns, PA

Average wind speed in October - Saint Johns, PA
  • Average wind speed in October: 6.9mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in October
Saint Johns, PA

Average humidity in October - Saint Johns, PA
  • Average humidity in October: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

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Average rainfall in October
Saint Johns, PA

Average rainfall in October - Saint Johns, PA
  • Average rainfall in October: 0.91"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in October
Saint Johns, PA

Average rainfall days in October - Saint Johns, PA
  • Average rainfall days in October: 9.2 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in October
Saint Johns, PA

Average snowfall in October - Saint Johns, PA
  • Average snowfall in October: 0.12"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Saint Johns, PA

Average snowfall days in October - Saint Johns, PA
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Saint Johns, PA

Average daylight in October / Average sunshine in October - Saint Johns, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in October
Saint Johns, PA

Average sunshine days in October - Saint Johns, PA
  • Average sunshine days in October: 19.4 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).

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Average UV index in October
Saint Johns, PA

Average UV index in October - Saint Johns, PA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in October
Saint Johns, PA

Average cloud cover in October - Saint Johns, PA
  • Average cloud cover in October: 50

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in October
Saint Johns, PA

Average visibility in October - Saint Johns, PA
  • Average visibility in October: 5mi

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

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Saint Johns, Pennsylvania, USA

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