Climate and monthly weather forecast
Lancaster, PA

The city of Lancaster, Pennsylvania, in a stunning early morning panorama
The city of Lancaster, Pennsylvania, in a stunning early morning panorama

Weather in January

January, like December, in Lancaster, Pennsylvania, is another cold winter month, with an average temperature varying between 35.4°F (1.9°C) and 23.2°F (-4.9°C). With an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23.2°F (-4.9°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Lancaster, Pennsylvania, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 39.4°F (4.1°C). In Lancaster, Pennsylvania, the average high-temperature in February is practically the same as in January - a still wintry 39.4°F (4.1°C). Weather in February »

Weather in March

March, the first month of the spring in Lancaster, is a chilly month, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 48.4°F (9.1°C). In March, the average high-temperature rises from a wintry 39.4°F (4.1°C) in February to a frosty 48.4°F (9.1°C). Weather in March »

Weather in April

April in Lancaster, Pennsylvania, is a mild spring month, with an average temperature ranging between max 60.3°F (15.7°C) and min 42.4°F (5.8°C). In Lancaster, the average high-temperature in April increases from a chilly 48.4°F (9.1°C) in March to a moderate 60.3°F (15.7°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Lancaster, Pennsylvania, with an average temperature fluctuating between 52.5°F (11.4°C) and 70.3°F (21.3°C). In May, the average high-temperature rises from a mild 60.3°F (15.7°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Lancaster, Pennsylvania, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 78.1°F (25.6°C). In June, the average high-temperature slightly increases from an agreeable 70.3°F (21.3°C) in May to a warm 78.1°F (25.6°C). Weather in June »

Weather in July

July, like June, in Lancaster, Pennsylvania, is another warm summer month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 82.9°F (28.3°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64.8°F (18.2°C), July is the warmest month. The average heat index in July is estimated at a tropical 90.9°F (32.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Lancaster, Pennsylvania, with an average temperature fluctuating between 63.1°F (17.3°C) and 81°F (27.2°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 81°F (27.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Lancaster, is also a moderately hot month, with an average temperature fluctuating between 56.5°F (13.6°C) and 74.8°F (23.8°C). In September, the average high-temperature slightly decreases from 81°F (27.2°C) in August to a still warm 74.8°F (23.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Lancaster, Pennsylvania, with an average temperature ranging between max 63.3°F (17.4°C) and min 47.3°F (8.5°C). In Lancaster, the average high-temperature in October drops from a warm 74.8°F (23.8°C) in September to a comfortable 63.3°F (17.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Lancaster, is another cool month, with an average temperature ranging between max 51.3°F (10.7°C) and min 36.1°F (2.3°C). In Lancaster, the average high-temperature in November drops from an enjoyable 63.3°F (17.4°C) in October to a fresh 51.3°F (10.7°C). Weather in November »

Weather in December

December, the first month of the winter in Lancaster, is also a wintry month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 30°F (-1.1°C). In December, the average high-temperature drops from a cool 51.3°F (10.7°C) in November to a wintry 42.1°F (5.6°C). Weather in December »
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FAQ

What is the coldest month in Lancaster?

With an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23.2°F (-4.9°C), January is the coldest month.

How much does it rain in Lancaster?

In Lancaster, Pennsylvania, during the entire year, the rain falls for 153.4 days and collects up to 28.27" (718mm) of precipitation.

When does it snow in Lancaster?

Months with snowfall in Lancaster are January through April, November and December.

How much does it snow in Lancaster?

Throughout the year, in Lancaster, Pennsylvania, there are 20.8 snowfall days, and 11.46" (291mm) of snow is accumulated.

When is the lowest UV index in Lancaster?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lancaster.

What is the driest month in Lancaster?

February and September are months with the least rain when the rain falls for 8 days and typically aggregates up to 1.89" (48mm) of rain.

What is the month with the least sunshine in Lancaster?

February has the least sunshine of the year in Lancaster, with an average of 4.5h of sunshine.

What is the snowiest month in Lancaster?

The month with the most snowfall in Lancaster is March, when snow falls for 4.3 days and typically aggregates up to 3.66" (93mm) of snow.

When is Daylight Saving Time (DST) in Lancaster?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Lancaster?

April is the least humid month in Lancaster, with an average relative humidity of 76%.

What is the most humid month in Lancaster?

May is the most humid month in Lancaster, Pennsylvania, with an average relative humidity of 81%.

When it does not snow in Lancaster?

May through October are months without snowfall in Lancaster.

When is the highest UV index in Lancaster?

The months with the highest UV index in Lancaster, Pennsylvania, are May through July, with an average maximum UV index of 6.

When are the longest days in Lancaster?

June has the longest days of the year in Lancaster, with an average of 14h and 58min of daylight.

What is the warmest month in Lancaster?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 64.8°F (18.2°C), July is the warmest month in Lancaster, Pennsylvania.

What month has the most sunshine in Lancaster?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

What is the rainiest month in Lancaster?

August is the month with the most rainfall in Lancaster. Rain falls for 15.7 days and accumulates 3.35" (85mm) of precipitation.

What is the month with the shortest days in Lancaster?

With an average of 9h and 23min of daylight, December has the shortest days of the year in Lancaster, Pennsylvania.

Average temperature
Lancaster, PA

Average temperature - Lancaster, PA

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure
Lancaster, PA

Average pressure - Lancaster, PA

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
Lancaster, PA

Average wind speed - Lancaster, PA

The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average rainfall
Lancaster, PA

Average rainfall - Lancaster, PA

The wettest month (with the highest rainfall) is August (3.35").
The driest months (with the least rainfall) are February and September (1.89").

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Average rainfall days
Lancaster, PA

Average rainfall days - Lancaster, PA

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (8 days).

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Average snowfall
Lancaster, PA

Average snowfall - Lancaster, PA

The month with the highest snowfall is March (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Lancaster, PA

Average snowfall days - Lancaster, PA

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Lancaster, PA

Average daylight / Average sunshine - Lancaster, PA

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days
Lancaster, PA

Average sunshine days - Lancaster, PA

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index
Lancaster, PA

Average UV index - Lancaster, PA

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, November and December (UV index 2).

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Average visibility
Lancaster, PA

Average visibility - Lancaster, PA

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

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