Monthly weather forecast and climate
Keystone, NE

January, the same as December, is another cold winter month in Keystone, Nebraska, with average temperature ranging between max 37.6°F (3.1°C) and min 22.3°F (-5.4°C). In Keystone, the average high-temperature is practically the same as in December - a still wintry 37.6°F (3.1°C). Weather in January »

The last month of the winter, February, is another cold month in Keystone, Nebraska, with average temperature fluctuating between 22.5°F (-5.3°C) and 39.2°F (4°C). In February, the average high-temperature is essentially the same as in January - a still cold 39.2°F (4°C). Weather in February »

The first month of the spring, March, is a fresh month in Keystone, Nebraska, with average temperature ranging between min 33.3°F (0.7°C) and max 52.5°F (11.4°C). In Keystone, Nebraska, the average high-temperature rises, from a cold 39.2°F (4°C) in February, to a cool 52.5°F (11.4°C). Weather in March »

April in Keystone, Nebraska, is a mild spring month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 39.7°F (4.3°C). In Keystone, the average high-temperature in April slightly increases, from a fresh 52.5°F (11.4°C) in March, to a moderate 59.5°F (15.3°C). Weather in April »

May, the last month of the spring, in Keystone, is an agreeable month, with average temperature fluctuating between 68.4°F (20.2°C) and 48.7°F (9.3°C). In Keystone, the average high-temperature slightly increases, from a mild 59.5°F (15.3°C) in April, to a pleasant 68.4°F (20.2°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Keystone, Nebraska, with average temperature fluctuating between 60.8°F (16°C) and 82.6°F (28.1°C). In June, the average high-temperature rises, from an agreeable 68.4°F (20.2°C) in May, to a moderately hot 82.6°F (28.1°C). Weather in June »

July in Keystone, Nebraska, is a hot summer month, with average temperature varying between 65.8°F (18.8°C) and 88.3°F (31.3°C). The warmest month is July, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 65.8°F (18.8°C). In July, the average heat index is calculated to a tropical 93.6°F (34.2°C). Weather in July »

The last month of the summer, August, is another warm month in Keystone, Nebraska, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 85.6°F (29.8°C). In August, the average high-temperature is relatively the same as in July - a moderately hot 85.6°F (29.8°C). Weather in August »

September, the first month of the autumn, in Keystone, is still a warm month, with average temperature fluctuating between 56.5°F (13.6°C) and 78.3°F (25.7°C). In Keystone, the average high-temperature in September slightly decreases, from a warm 85.6°F (29.8°C) in August, to a still moderately hot 78.3°F (25.7°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Keystone, Nebraska, with average temperature fluctuating between 61.7°F (16.5°C) and 42.8°F (6°C). In October, the average high-temperature plummets, from a warm 78.3°F (25.7°C) in September, to an enjoyable 61.7°F (16.5°C). Weather in October »

November, the last month of the autumn, in Keystone, is another chilly month, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 49.6°F (9.8°C). In Keystone, the average high-temperature decreases, from an enjoyable 61.7°F (16.5°C) in October, to a frosty 49.6°F (9.8°C). Weather in November »

December, the first month of the winter, in Keystone, is still a cold month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 37.4°F (3°C). With an average high-temperature of 37.4°F (3°C) and an average low-temperature of 22.3°F (-5.4°C), December is the coldest month. Weather in December »

What is the most humid month in Keystone?

With an average relative humidity of 70%, January is the most humid month.

How much does it rain in Keystone?

In Keystone, Nebraska, during the entire year, the rain falls for 117.3 days and collects up to 17.28" (439mm) of precipitation.

What is the driest month in Keystone?

January is the month with the least rainfall in Keystone, Nebraska. Rain falls for 5.3 days and accumulates 0.39" (10mm) of precipitation.

When does it snow in Keystone?

Months with snowfall in Keystone, Nebraska, are January through May, October through December.

How many days does it snow in Keystone?

Throughout the year, in Keystone, Nebraska, there are 35 snowfall days, and 14.65" (372mm) of snow is accumulated.

What is the month with the lowest UV index in Keystone?

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

What is the snowiest month in Keystone?

February is the month with the most snowfall in Keystone, Nebraska. Snow falls for 8.5 days and accumulates 3.23" (82mm) of snow.

What is the month with the least sunshine in Keystone?

February has the least sunshine of the year in Keystone, Nebraska, with an average of 6h of sunshine.

What is the wettest month in Keystone?

The month with the most rainfall in Keystone is May when the rain falls for 17 days and typically aggregates up to 3.39" (86mm) of precipitation.

When it does not snow in Keystone?

In Keystone, Nebraska, snow does not fall in June through September.

When are the longest days in Keystone?

June has the longest days of the year, with an average of 15.1h of daylight.

What is the warmest month in Keystone?

The warmest month is July, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 65.8°F (18.8°C).

What are the months with the most sunshine in Keystone?

July and August, with an average of 11.4h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in Keystone?

The month with the highest UV index in Keystone is July, with an average maximum UV index of 7.

What is the least humid month in Keystone?

The least humid month in Keystone, Nebraska, is September, with an average relative humidity of 53%.

What is the coldest month in Keystone?

December is the coldest month in Keystone, with an average high-temperature of 37.4°F (3°C) and an average low-temperature of 22.3°F (-5.4°C).

What is the month with the shortest days in Keystone?

With an average of 9.3h of daylight, December has the shortest days of the year in Keystone.
Average temperature - Keystone, NE
Average pressure - Keystone, NE

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.83").

Average wind speed - Keystone, NE

The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average rainfall - Keystone, NE
Average rainfall days - Keystone, NE
Average snowfall - Keystone, NE
Average snowfall days - Keystone, NE

The month with the highest number of snowfall days is February (8.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Keystone, NE

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

Months with the most sunshine are July and August (Average sunshine: 11.4h).
The month with the least sunshine is February (Average sunshine: 6h).

Average sunshine days - Keystone, NE

The month with the most sunshine days is November (22.7 days).
Months with the least sunshine days are May and June (10.6 days).

Average visibility - Keystone, 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).