Monthly weather forecast and climate
Lewiston, NE

January, the same as December, is another cold winter month in Lewiston, Nebraska, with average temperature ranging between min 19.4°F (-7°C) and max 33.1°F (0.6°C). January is the coldest month, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 19.4°F (-7°C). Weather in January »

February, the last month of the winter, in Lewiston, is also a wintry month, with average temperature varying between 37.4°F (3°C) and 22.1°F (-5.5°C). In February, the average high-temperature is relatively the same as in January - a still wintry 37.4°F (3°C). Weather in February »

The first month of the spring, March, is a cool month in Lewiston, Nebraska, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 52°F (11.1°C). In Lewiston, the average high-temperature increases considerably, from a cold 37.4°F (3°C) in February, to a cool 52°F (11.1°C). Weather in March »

April in Lewiston, Nebraska, is an enjoyable spring month, with average temperature ranging between max 62.4°F (16.9°C) and min 43.9°F (6.6°C). In Lewiston, Nebraska, the average high-temperature rises, from a fresh 52°F (11.1°C) in March, to an enjoyable 62.4°F (16.9°C). Weather in April »

May, the last month of the spring, in Lewiston, is an agreeable month, with average temperature fluctuating between 71.8°F (22.1°C) and 54.1°F (12.3°C). In May, the average high-temperature increases, from an enjoyable 62.4°F (16.9°C) in April, to a pleasant 71.8°F (22.1°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Lewiston, Nebraska, with average temperature fluctuating between 65.5°F (18.6°C) and 82.9°F (28.3°C). In Lewiston, the average high-temperature increases, from a pleasant 71.8°F (22.1°C) in May, to a moderately hot 82.9°F (28.3°C). Weather in June »

July in Lewiston, Nebraska, is a hot summer month, with average temperature ranging between max 86°F (30°C) and min 67.3°F (19.6°C). The warmest month is July, with an average high-temperature of 86°F (30°C) and an average low-temperature of 67.3°F (19.6°C). The average heat index is evaluated at a sweltering 97.3°F (36.3°C). Weather in July »

The last month of the summer, August, is another warm month in Lewiston, Nebraska, with average temperature ranging between min 64.4°F (18°C) and max 84°F (28.9°C). In August, the average high-temperature is relatively the same as in July - a warm 84°F (28.9°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Lewiston, Nebraska, with average temperature ranging between max 77.9°F (25.5°C) and min 58.1°F (14.5°C). In Lewiston, Nebraska, the average high-temperature marginally drops, from a warm 84°F (28.9°C) in August, to a still moderately hot 77.9°F (25.5°C). Weather in September »

October, like September, in Lewiston, Nebraska, is another comfortable autumn month, with average temperature varying between 46°F (7.8°C) and 63.1°F (17.3°C). In October, the average high-temperature plummets, from a moderately hot 77.9°F (25.5°C) in September, to an enjoyable 63.1°F (17.3°C). Weather in October »

The last month of the autumn, November, is also a fresh month in Lewiston, Nebraska, with average temperature fluctuating between 34.7°F (1.5°C) and 50.7°F (10.4°C). In Lewiston, the average high-temperature drops, from a comfortable 63.1°F (17.3°C) in October, to a fresh 50.7°F (10.4°C). Weather in November »

The first month of the winter, December, is also a wintry month in Lewiston, Nebraska, with average temperature fluctuating between 23.5°F (-4.7°C) and 36.7°F (2.6°C). In Lewiston, the average high-temperature decreases, from a cool 50.7°F (10.4°C) in November, to a wintry 36.7°F (2.6°C). Weather in December »

What is the coldest month in Lewiston?

The coldest month in Lewiston, Nebraska, is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 19.4°F (-7°C).

What is the most humid month in Lewiston?

January is the most humid month, with an average relative humidity of 77%.

How much does it rain in Lewiston?

Throughout the year, in Lewiston, Nebraska, there are 105 rainfall days, and 15.94" (405mm) of precipitation is accumulated.

What is the driest month in Lewiston?

Months with the least rainfall are January and February Rain falls for 3.4 days and accumulates 0.35" (9mm) of rain.

When does it snow in Lewiston?

Months with snowfall in Lewiston, Nebraska, are January through April, October through December.

How many days does it snow in Lewiston?

Throughout the year, there are 22.4 snowfall days, and 4.57" (116mm) of snow is accumulated.

When does it snow the most in Lewiston?

The month with the most snowfall is January when snow falls for 5.8 days and typically aggregates up to 1.1" (28mm) of snow.

What is the month with the least sunshine in Lewiston?

With an average of 5.1h of sunshine, January has the least sunshine of the year in Lewiston.

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

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

What is the rainiest month in Lewiston?

The month with the most rainfall is May when the rain falls for 14.8 days and typically aggregates up to 2.83" (72mm) of precipitation.

When it does not snow in Lewiston?

May through September are months without snowfall in Lewiston.

When are the longest days in Lewiston?

With an average of 15h of daylight, June has the longest days of the year in Lewiston, Nebraska.

What are the months with the highest UV index in Lewiston?

Months with the highest UV index in Lewiston, Nebraska, are June through August, with an average maximum UV index of 6.

What is the warmest month in Lewiston?

The warmest month in Lewiston is July, with an average high-temperature of 86°F (30°C) and an average low-temperature of 67.3°F (19.6°C).

What month has the most sunshine in Lewiston?

July has the most sunshine of the year in Lewiston, with an average of 10.6h of sunshine.

What is the least humid month in Lewiston?

October is the least humid month in Lewiston, with an average relative humidity of 66%.

What is the month with the shortest days in Lewiston?

December has the shortest days of the year in Lewiston, with an average of 9.4h of daylight.
Average pressure - Lewiston, NE

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.86").

Average wind speed - Lewiston, NE

The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average rainfall - Lewiston, NE

The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.35").

Average rainfall days - Lewiston, NE

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3 days).

Average snowfall - Lewiston, NE
Average snowfall days - Lewiston, NE

The month with the highest number of snowfall days is February (6.4 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Lewiston, NE

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: 10.6h).
The month with the least sunshine is January (Average sunshine: 5.1h).

Average sunshine days - Lewiston, NE

The month with the most sunshine days is November (24.2 days).
The month with the least sunshine days is May (13.8 days).

Average UV index - Lewiston, NE
Average visibility - Lewiston, NE

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).