Monthly weather forecast and climate
Lewistown, NJ

Weather in January

January, the same as December, is a wintry winter month in Lewistown, New Jersey, with average temperature varying between 25.2°F (-3.8°C) and 37.8°F (3.2°C). The coldest month is January, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 25.2°F (-3.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Lewistown, New Jersey, with average temperature varying between 41.4°F (5.2°C) and 27.5°F (-2.5°C). In Lewistown, the average high-temperature is essentially the same as in January - a still wintry 41.4°F (5.2°C). Weather in February »

Weather in March

March, the first month of the spring, in Lewistown, is a chilly month, with average temperature ranging between max 49.5°F (9.7°C) and min 34.3°F (1.3°C). In Lewistown, the average high-temperature in March slightly increases, from a wintry 41.4°F (5.2°C) in February, to a chilly 49.5°F (9.7°C). Weather in March »

Weather in April

April is an enjoyable spring month in Lewistown, New Jersey, with average temperature ranging between min 44.2°F (6.8°C) and max 60.8°F (16°C). In Lewistown, New Jersey, the average high-temperature in April rises, from a chilly 49.5°F (9.7°C) in March, to an enjoyable 60.8°F (16°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Lewistown, New Jersey, with average temperature varying between 53.8°F (12.1°C) and 70.3°F (21.3°C). In May, the average high-temperature rises, from an enjoyable 60.8°F (16°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 moderately hot month in Lewistown, New Jersey, with average temperature ranging between max 78.8°F (26°C) and min 61.7°F (16.5°C). In Lewistown, the average high-temperature slightly increases, from an agreeable 70.3°F (21.3°C) in May, to a moderately hot 78.8°F (26°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Lewistown, New Jersey, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 84.4°F (29.1°C). The warmest month is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 67.6°F (19.8°C). The average heat index in July is estimated at a hot 93.6°F (34.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Lewistown, New Jersey, with average temperature fluctuating between 66.9°F (19.4°C) and 82.8°F (28.2°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 82.8°F (28.2°C). Weather in August »

Weather in September

September, the first month of the autumn, in Lewistown, is also a moderately hot month, with average temperature ranging between min 60.4°F (15.8°C) and max 76.1°F (24.5°C). In September, the average high-temperature marginally drops, from a warm 82.8°F (28.2°C) in August, to a still moderately hot 76.1°F (24.5°C). Weather in September »

Weather in October

October, like September, in Lewistown, New Jersey, is another comfortable autumn month, with average temperature varying between 64.6°F (18.1°C) and 50.5°F (10.3°C). In October, the average high-temperature decreases, from a warm 76.1°F (24.5°C) in September, to a comfortable 64.6°F (18.1°C). Weather in October »

Weather in November

November, the last month of the autumn, in Lewistown, is also a fresh month, with average temperature fluctuating between 39.2°F (4°C) and 52.7°F (11.5°C). In November, the average high-temperature decreases, from an enjoyable 64.6°F (18.1°C) in October, to a cool 52.7°F (11.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Lewistown, is still a chilly month, with average temperature varying between 44.2°F (6.8°C) and 32.7°F (0.4°C). In December, the average high-temperature slightly decreases, from a cool 52.7°F (11.5°C) in November, to a frosty 44.2°F (6.8°C). Weather in December »
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FAQ

What is the coldest month in Lewistown?

The coldest month is January, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 25.2°F (-3.8°C).

How much does it rain in Lewistown?

Throughout the year, in Lewistown, there are 156.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

When does it snow in Lewistown?

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

How much does it snow in Lewistown?

Throughout the year, in Lewistown, New Jersey, there are 19.6 snowfall days, and 10.63" (270mm) of snow is accumulated.

What are the months with the lowest UV index in Lewistown?

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

What is the month with the least sunshine in Lewistown?

The month with the least sunshine is February, with an average of 4.6h of sunshine.

When does it snow the most in Lewistown?

The month with the most snowfall is March when snow falls for 3.8 days and typically aggregates up to 3.54" (90mm) of snow.

What is the least humid month in Lewistown?

With an average relative humidity of 73%, April is the least humid month.

When is the highest UV index in Lewistown?

Months with the highest UV index are May through August, with an average maximum UV index of 6.

When it does not snow in Lewistown?

June through September are months without snowfall in Lewistown.

When are the longest days in Lewistown?

June has the longest days of the year, with an average of 15h of daylight.

What is the warmest month in Lewistown?

July is the warmest month in Lewistown, New Jersey, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 67.6°F (19.8°C).

What month has the most sunshine in Lewistown?

July has the most sunshine of the year in Lewistown, with an average of 10.3h of sunshine.

What is the driest month in Lewistown?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.

What is the most humid month in Lewistown?

With an average relative humidity of 79%, October is the most humid month in Lewistown.

What is the rainiest month in Lewistown?

The month with the most rainfall in Lewistown is December when the rain falls for 10.9 days and typically aggregates up to 3.7" (94mm) of precipitation.

What is the month with the shortest days in Lewistown?

With an average of 9.4h of daylight, December has the shortest days of the year.

Average temperature
Lewistown, NJ

Average temperature - Lewistown, NJ

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure
Lewistown, NJ

Average pressure - Lewistown, NJ

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Lewistown, NJ

Average wind speed - Lewistown, NJ

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average rainfall
Lewistown, NJ

Average rainfall - Lewistown, NJ

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days
Lewistown, NJ

Average rainfall days - Lewistown, NJ

Months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).

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Average snowfall
Lewistown, NJ

Average snowfall - Lewistown, NJ

The month with the highest snowfall is March (3.54").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Lewistown, NJ

Average snowfall days - Lewistown, NJ

The month with the highest number of snowfall days is January (5.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Lewistown, NJ

Average daylight / Average sunshine - Lewistown, NJ

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days
Lewistown, NJ

Average sunshine days - Lewistown, NJ

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index
Lewistown, NJ

Average UV index - Lewistown, NJ

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Lewistown, NJ

Average visibility - Lewistown, NJ

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

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