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
In Saint Johns, entering October brings a temperature decrement, reducing from September's pleasant 72°F (22.2°C) to a moderate 58.8°F (14.9°C). In Saint Johns, October is marked by an average low-temperature of 43.7°F (6.5°C).Humidity
In October, the average relative humidity is 82%.Rainfall
In Saint Johns, in October, during 9.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Saint Johns, during the entire year, the rain falls for 111.5 days and collects up to 11.34" (288mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 31.5 snowfall days, and 7.28" (185mm) of snow is accumulated.Daylight
In Saint Johns, the average length of the day in October is 11h and 6min.On the first day of October, 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 October, the average sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in October leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
How many hours of daylight does Saint Johns have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What are the months with the lowest UV index?
What is the UV index reading in October in Saint Johns?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Saint Johns, Pennsylvania, USA
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