October weather forecast
Hummelstown, PA

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Weather in October

October, like September, in Hummelstown, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 45.9°F (7.7°C) and 61.9°F (16.6°C).

Temperature

Start of October brings a shift in the average high-temperature, falling from September's moderately hot 74.3°F (23.5°C) to a refreshing 61.9°F (16.6°C). Throughout October, Hummelstown's nights cool down to an average of 45.9°F (7.7°C).

Humidity

In Hummelstown, the average relative humidity in October is 80%.

Rainfall

In October, the rain falls for 13.7 days. Throughout October, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 27.8 snowfall days, and 13.23" (336mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 7min.
On the first day of the month, sunrise is at 7:03 am and sunset at 6:48 pm. On the last day of October, sunrise is at 7:36 am and sunset at 6:04 pm EDT.

Sunshine

The average sunshine in October is 5.4h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the temperature in October?

The high-temperature, in October, in Hummelstown, is 61.9°F (16.6°C), while the low-temperature averages to 45.9°F (7.7°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in October in Hummelstown?

In Hummelstown, the average relative humidity in October is 80%.

How many days does it rain in October?

In October, the rain falls for 13.7 days. Throughout October, 2.87" (73mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October?

The average day length in October is 11h and 7min.

When is the sunrise / sunset in October in Hummelstown?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:04 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October in Hummelstown is 5.4h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Hummelstown, PA

Average temperature in October - Hummelstown, PA
  • Average high temperature in October: 61.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in October: 45.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in October
Hummelstown, PA

Average pressure in October - Hummelstown, PA
  • Average pressure in October: 30.04"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
Hummelstown, PA

Average wind speed in October - Hummelstown, PA
  • Average wind speed in October: 6.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in October
Hummelstown, PA

Average humidity in October - Hummelstown, PA
  • Average humidity in October: 80%

The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in October
Hummelstown, PA

Average rainfall in October - Hummelstown, PA
  • Average rainfall in October: 2.87"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in October
Hummelstown, PA

Average rainfall days in October - Hummelstown, PA
  • Average rainfall days in October: 13.7 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in October
Hummelstown, PA

Average snowfall in October - Hummelstown, PA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Hummelstown, PA

Average snowfall days in October - Hummelstown, PA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (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
Hummelstown, PA

Average daylight in October / Average sunshine in October - Hummelstown, 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 2min

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 30min).

Average sunshine days in October
Hummelstown, PA

Average sunshine days in October - Hummelstown, PA
  • Average sunshine days in October: 14.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).

Average UV index in October
Hummelstown, PA

Average UV index in October - Hummelstown, PA
  • Average UV index in October: 3

The months with the highest UV index are May, June and July (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
Hummelstown, PA

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in October
Hummelstown, PA

Average visibility in October - Hummelstown, PA
  • Average visibility in October: 5mi

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

Hummelstown, Pennsylvania, USA

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