Climate and monthly weather forecast
Lancaster, OH

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The climate of Lancaster

Lancaster in Ohio, USA, falls within the Cfa climate zone, known as a humid subtropical zone according to the Köppen climate classification system. This classification signifies that the region experiences substantial rainfall throughout all months and does not have a dry season.

The weather in Lancaster is marked by significant variations in temperature from month to month, with the highest temperatures usually observed in July at about 82.6°F (28.1°C), and the lowest in January, dropping to approximately 21.7°F (-5.7°C). Relative humidity in Lancaster remains quite high throughout the year, averaging over 76%, with the least humid months being November and April and the most humid varying between January and February.

One of the defining features of Lancaster is the rainfall distribution. The city gets the highest rainfall in May, with an average of 2.32" (59mm), yet the highest number of rainfall days occurs in May and July, at around 17.6 and 16.4 days, respectively. Snowfall occurs predominantly from December to February with January having the highest at 2.24" (57mm). Sunlight hours fluctuate throughout the year, with June experiencing the longest daylight hours at 14.9 hours and December with the shortest at 9.4 hours.

The best time to visit Lancaster

For visitors planning a trip to Lancaster, the best time to visit would arguably be between May and July. During these months, temperatures range from 61.5°F (16.4°C) to 82.6°F (28.1°C). Notably, May possesses the highest rainfall level, becoming a treat for those who enjoy the rains. Importantly, these months also hold the longest daylight hours, around 14.4 to 14.9 hours, permitting more time to explore the local sights.

The worst time to visit Lancaster

The least favorable period to visit Lancaster would be from December to February when temperatures can dive down to between 21.7°F (-5.7°C) and 24.6°F (-4.1°C). Moreover, December to January sees the least amount of daylight hours, from 9.4 to 9.7 hours respectively. Additionally, these months mark the peak of snowfall, delivering challenging conditions for travel and outdoor activity.

Spring weather in Lancaster

Spring in Lancaster graces the region with a steady climb in temperatures from 33.6°F (0.9°C) to 72.1°F (22.3°C) between March and May. During this time, rainfall levels increase, reaching the highest level in May with 2.32" (59mm). Daylight hours too steadily go up, enabling more time for outdoor activities.

Summer weather in Lancaster

Summer in Lancaster from June to August offers warm temperatures, ranging from 72.1°F (22.3°C) to 82.6°F (28.1°C). The city sees minimal rainfall and also fewer rainfall days during this season as compared to spring. sunshine hours maximize to about 10.5 hours offering ample time to enjoy the summer weather.

Autumn weather in Lancaster

Autumn in Lancaster, from September to November, witnesses a decrease in temperatures from 75.9°F (24.4°C) to 40.1°F (4.5°C). Rainfall decreases in the initial months and starts rising again in November reaching to 1.54" (39mm). The city experiences gentle winds during Autumn with speeds falling to 5.8mph (9.3km/h).

Winter weather in Lancaster

Winter in Lancaster, from December to February, is characterized by lower temperatures dropping to around 21.7°F (-5.7°C) in January. Snowfall becomes prominent in these months, with January witnessing the highest at 2.24" (57mm). Days become shorter with December experiencing the shortest daylight hours of 9.4 hours. During this time, the city also experiences higher wind gusts reaching up to about 13.2mph (21.2km/h).

Weather in January

The year in Lancaster, Ohio kicks off with cool temperatures and frequent precipitation. The chilly weather persists through the month, with the high usually reaching 33.6°F (0.9°C) and lows dipping down to 21.7°F (-5.7°C). Weather in January »

Weather in February

Moving into February, the winter condition remains steady in Lancaster with just a slight increase in temperatures. The city experiences 2.24" (57mm) of snow in this shortest month of the year amidst the cold temperatures. The majority of February's days are cloud-filled, resulting in less sunshine and denser fog. Weather in February »

Weather in March

Signs of spring begin to appear in March, with the weather beginning to warm up moderately. The city experiences less snowfall, of 1.3" (33mm), signaling a transition from winter to spring. Lancaster's weather begins to diversify with longer daylight hours, an increase in relative humidity, and the gradual disappearance of snow. Weather in March »

Weather in April

April brings more apparent signs of spring compared to the previous month. The month typically receives only 0.08" (2mm) of snowfall, indicating that winter has indeed taken its leave. The temperatures continue to climb as flowers bloom, trees regain their greenery, and wildlife slowly stirs back to life. Weather in April »

Weather in May

Lancaster, Ohio, welcomes its warmest season as May rolls in. No snowfall occurs in this month making it a sure spring-summer transitional phase. The weather displays an interesting balance, becoming neither too hot nor too cold, allowing residents to soak in the beauty of late spring. Weather in May »

Weather in June

June sees meteorological summer's arrival with the longest daylight hours of the year. The city experiences increased temperatures, but there's still a good balance between warm afternoons and cooler nights. It's an ideal period for outdoor festivals, parks, and pool visits. Weather in June »

Weather in July

July serves as the warmest month of the year in Lancaster, with the temperature rising up to 82.6°F (28.1°C). While the high temperatures are a clear indication of mid-summer, residents also experience high relative humidity. This is the period where air conditioners and indoor activities become particularly desirable. Weather in July »

Weather in August

As the calendar hits August, Lancaster, Ohio, continues to experience summer's peak. The temperatures slightly decrease from July’s highs, signaling a gradual transition towards the end of summer. As the month proceeds, nights become cooler and more comfortable, compensating for the hot days. Weather in August »

Weather in September

September marks the arrival of meteorological fall in Lancaster and heralds a noticeable drop in temperature. Cooler air replaces the summer heat, and clouds start forming again, causing a slight reduction in sunshine hours. The shift is a cue for trees to start transforming, wearing their characteristic autumn hues. Weather in September »

Weather in October

October comes with more obvious indications of fall as the weather continues to cool down. With 0.04" (1mm) of snowfall reported, it marks the return of winter anticipation. The city is a sea of red, orange, and yellow leaves - a clear sign of fall while offering a spectrum of shades against the backdrop of blue and grey skies. Weather in October »

Weather in November

November in Lancaster is synonymous with cooler temperatures and fewer daylight hours. The city experiences a significant increase in snowfall reaching 0.98" (25mm), a clear cut indication winter's on its way. It's also the month when shopping centers and streets begin to give a sneak peek into the festive season ahead. Weather in November »

Weather in December

December brings the cold winter season and holiday celebrations in Lancaster, Ohio. The snowfall increase, measuring up to 1.34" (34mm), set the festive mood around the city. The majority of days in December are filled with cloud cover, making it feel colder. Weather in December »
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Frequently asked questions

What is the coldest month in Lancaster?

Lancaster notes the coldest temperatures in January, with a average high of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C).

What are the most humid months in Lancaster?

January and February, with an average relative humidity of 83%, are most humid months.

How many days does it rain in Lancaster?

Throughout the year, in Lancaster, there are 150.9 rainfall days, and 20.35" (517mm) of precipitation is accumulated.

When does it snow in Lancaster?

Months with snowfall are January through April, October through December.

How many days does it snow in Lancaster?

Throughout the year, in Lancaster, Ohio, there are 38.3 snowfall days, and 7.95" (202mm) of snow is accumulated.

What is the month with the least sunshine in Lancaster?

With an average of 3.6h of sunshine, January has the least sunshine of the year.

When is the lowest UV index in Lancaster?

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

When does it snow the most in Lancaster?

February is the month with the most snowfall. Snow falls for 8.8 days and accumulates 2.24" (57mm) of snow.

When is Daylight Saving Time (DST) in Lancaster?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lancaster, Ohio, 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.

What are the least humid months in Lancaster?

April and November, with an average relative humidity of 76%, are the least humid months.

What is the wettest month in Lancaster?

The month with the most rainfall is May, when the rain falls for 17.6 days and typically aggregates up to 2.32" (59mm) of precipitation.

When it does not snow in Lancaster?

In Lancaster, Ohio, snow does not fall in May through September.

When are the longest days in Lancaster?

The month with the longest days in Lancaster, Ohio, is June, with an average of 14h and 54min of daylight.

When is the highest UV index in Lancaster?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Lancaster.

What time of the year is the hottest in Lancaster?

Lancaster's temperatures tend to reach their peak averages in July, with a high of 82.6°F (28.1°C) and a low of 63.7°F (17.6°C).

What month has the most sunshine in Lancaster?

With an average of 10.5h of sunshine, August has the most sunshine of the year.

What is the driest month in Lancaster?

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.22" (31mm) of precipitation.

What is the month with the shortest days in Lancaster?

The month with the shortest days in Lancaster is December, with an average of 9h and 24min of daylight.

Average temperature
Lancaster, OH

Average temperature - Lancaster, OH

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure
Lancaster, OH

Average pressure - Lancaster, OH

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Lancaster, OH

Average wind speed - Lancaster, OH

The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity
Lancaster, OH

Average humidity - Lancaster, OH

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are April and November (76%).

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Average rainfall
Lancaster, OH

Average rainfall - Lancaster, OH

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days
Lancaster, OH

Average rainfall days - Lancaster, OH

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall
Lancaster, OH

Average snowfall - Lancaster, OH

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Lancaster, OH

Average snowfall days - Lancaster, OH

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Lancaster, OH

Average daylight / Average sunshine - Lancaster, OH

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Lancaster, OH

Average sunshine days - Lancaster, OH

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index
Lancaster, OH

Average UV index - Lancaster, OH

The months with the highest UV index are June, July and August (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, OH

Average visibility - Lancaster, OH

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

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Lancaster, Ohio, USA

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