Climate and monthly weather forecastHillsdale, PA

Climate and monthly weather forecast

Weather in January

January, like December, is a freezing cold winter month in Hillsdale, Pennsylvania, with temperature in the range of an average low of 18.5°F (-7.5°C) and an average high of 30.4°F (-0.9°C). January, on average, is the coldest month, registering a high temperature of 30.4°F (-0.9°C) and a low of 18.5°F (-7.5°C). Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in Hillsdale, Pennsylvania, with an average temperature fluctuating between 34.9°F (1.6°C) and 21°F (-6.1°C). Upon the onset of February, Hillsdale witnesses an average high-temperature of a cold 34.9°F (1.6°C), showing a close resemblance to the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Hillsdale, Pennsylvania, with an average temperature fluctuating between 44.2°F (6.8°C) and 28.6°F (-1.9°C). Hillsdale experiences a temperature shift with the start of March, with average high-temperatures moving from a wintry 34.9°F (1.6°C) in February to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April in Hillsdale, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 56.8°F (13.8°C) and 38.7°F (3.7°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a frosty 44.2°F (6.8°C) to a refreshing 56.8°F (13.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Hillsdale, Pennsylvania, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 68.4°F (20.2°C). Hillsdale sees a rise in temperature during May, with average high-temperatures transitioning from a mild 56.8°F (13.8°C) in April to a pleasant 68.4°F (20.2°C). Weather in May »

Weather in June

June, the first month of the summer in Hillsdale, is a warm month, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 54.9°F (12.7°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 68.4°F (20.2°C) in May to a moderately hot 75.7°F (24.3°C). Weather in June »

Weather in July

July, like June, in Hillsdale, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 80.2°F (26.8°C) and 58.8°F (14.9°C). July, known for its average high temperature of 80.2°F (26.8°C) and an average low temperature of 58.8°F (14.9°C), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Hillsdale, Pennsylvania, with an average temperature varying between 78.4°F (25.8°C) and 57°F (13.9°C). Hillsdale experiences a transition to a still warm 78.4°F (25.8°C) in average high-temperatures with the arrival of August, not greatly differing from July's 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Hillsdale, is still a pleasant month, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 72.3°F (22.4°C). The arrival of September corresponds with a light shift in temperature, down from a moderately hot 78.4°F (25.8°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Hillsdale, Pennsylvania, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 58.6°F (14.8°C). A subtle decrease in the average high-temperature marks October, falling from September's agreeable 72.3°F (22.4°C) to a mild 58.6°F (14.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Hillsdale, is also a frosty month, with an average temperature ranging between max 46.2°F (7.9°C) and min 32°F (0°C). November involves a decrease in temperature, down from a refreshing 58.6°F (14.8°C) in October to a chilly 46.2°F (7.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Hillsdale, Pennsylvania, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 26.4°F (-3.1°C). Transition into December marks a drop in the average high-temperature, moving from a chilly 46.2°F (7.9°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January proves to be the coldest month, recording an average maximum temperature of 30.4°F (-0.9°C) and a minimum temperature of 18.5°F (-7.5°C).

Throughout the year, there are 121.6 rainfall days, and 10.75" (273mm) of precipitation is accumulated.

January through May, October through December are months with snowfall.

The month with the most snowfall is January, when snow falls for 12.7 days and typically aggregates up to 2.64" (67mm) of snow.

Throughout the year, there are 49.1 snowfall days, and 10.43" (265mm) of snow is accumulated.

The month with the least sunshine is January, with an average of 2.9h of sunshine.

February is the most humid month, with an average relative humidity of 87%.

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.

The month with the most rainfall is May, when the rain falls for 15.6 days and typically aggregates up to 1.26" (32mm) of precipitation.

May through August, with an average maximum UV index of 5, are months with the highest UV index.

In Hillsdale, snow does not fall in June through September.

With an average of 15h and 0min of daylight, June has the longest days of the year in Hillsdale.

July, known for its average high temperature of 80.2°F (26.8°C) and an average low temperature of 58.8°F (14.9°C), is the warmest month.

July has the most sunshine of the year, with an average of 9.9h of sunshine.

The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.55" (14mm) of precipitation.

With an average of 9h and 18min of daylight, December has the shortest days of the year.

The month with the lowest UV index is December, with an average maximum UV index of 1.

Average temperature
Hillsdale, PA

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure
Hillsdale, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Hillsdale, PA

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity
Hillsdale, PA

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall
Hillsdale, PA

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
Hillsdale, PA

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).

Average snowfall
Hillsdale, PA

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Hillsdale, PA

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Hillsdale, PA

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 18min).

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days
Hillsdale, PA

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.3 days).

Average UV index
Hillsdale, PA

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover
Hillsdale, PA

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility
Hillsdale, PA

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).