Climate and monthly weather forecast
Johnstown, NE

Share

Weather in January

January, the same as December, in Johnstown, Nebraska, is another subzero cold winter month, with an average temperature ranging between max 31.1°F (-0.5°C) and min 18.9°F (-7.3°C). The coldest period is January, when temperatures fluctuate between an average high of 31.1°F (-0.5°C) and a low of 18.9°F (-7.3°C). Weather in January »

Weather in February

February, the last month of the winter in Johnstown, is an icy month, with an average temperature fluctuating between 19.9°F (-6.7°C) and 33.8°F (1°C). Johnstown signifies an average high-temperature of a cold 33.8°F (1°C) in February, closely mirroring the 31.1°F (-0.5°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Johnstown, Nebraska, with an average temperature varying between 47.7°F (8.7°C) and 31.3°F (-0.4°C). March witnesses an increase in the average high-temperature, moving from a cold 33.8°F (1°C) in February to a chilly 47.7°F (8.7°C). Weather in March »

Weather in April

April in Johnstown, Nebraska, is a moderate spring month, with an average temperature ranging between max 56.8°F (13.8°C) and min 39.7°F (4.3°C). April's onset brings a rise in the average high-temperature, moving from a chilly 47.7°F (8.7°C) in March to a mild 56.8°F (13.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Johnstown, Nebraska, with an average temperature ranging between max 66.7°F (19.3°C) and min 49.6°F (9.8°C). With the transition into May, Johnstown experiences an increase in average high-temperatures, moving up from a mild 56.8°F (13.8°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Johnstown, Nebraska, with an average temperature varying between 60.6°F (15.9°C) and 79°F (26.1°C). June brings a temperature increase, with average high-temperatures moving from May's enjoyable 66.7°F (19.3°C) to a moderately hot 79°F (26.1°C). Weather in June »

Weather in July

July, like June, in Johnstown, Nebraska, is another warm summer month, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 85.6°F (29.8°C). The highest temperatures are recorded in July, with averages reaching a high of 85.6°F (29.8°C) and a low of 65.8°F (18.8°C). During July, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Johnstown, Nebraska, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 63.1°F (17.3°C). August ushers in an average high-temperature of a still moderately hot 84°F (28.9°C), aligning closely with the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Johnstown, Nebraska, with an average temperature ranging between min 55.6°F (13.1°C) and max 75.2°F (24°C). September sees a slight reduction in average high-temperature, with a shift from a moderately hot 84°F (28.9°C) in August to a still warm 75.2°F (24°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Johnstown, Nebraska, with an average temperature fluctuating between 58.6°F (14.8°C) and 42.8°F (6°C). With the onset of October, Johnstown's weather experiences a distinct temperature drop, moving from a moderately hot 75.2°F (24°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Johnstown, Nebraska, with an average temperature ranging between max 46.2°F (7.9°C) and min 32.2°F (0.1°C). In the transition to November, Johnstown observes a drop in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in October to a chilly 46.2°F (7.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Johnstown, Nebraska, with an average temperature varying between 31.6°F (-0.2°C) and 20.7°F (-6.3°C). A clear reduction in the average high-temperature is witnessed with the onset of December, reducing from a chilly 46.2°F (7.9°C) in November to a freezing cold 31.6°F (-0.2°C). Weather in December »
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Johnstown reaches its average lowest temperatures in January, measuring 31.1°F (-0.5°C) at the peak and 18.9°F (-7.3°C) at the lowest.

What is the most humid month?

With an average relative humidity of 79%, January is the most humid month.

What is the driest month?

January is the month with the least rainfall. Rain falls for 2.5 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain?

In Johnstown, Nebraska, during the entire year, the rain falls for 103.2 days and collects up to 17.44" (443mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 39.8 snowfall days, and 13.94" (354mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5.2h of sunshine.

What is the month with the lowest UV index?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month?

June is the month with the most rainfall in Johnstown. Rain falls for 14.4 days and accumulates 2.8" (71mm) of precipitation.

When it does not snow?

June through August are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What are the months with the highest UV index?

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

What time of the year is the hottest?

July is the warmest month in Johnstown, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.8°F (18.8°C).

What month has the most sunshine?

With an average of 11.1h of sunshine, July has the most sunshine of the year.

What is the least humid month?

With an average relative humidity of 59%, September is the least humid month.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 7.1 days and typically aggregates up to 2.99" (76mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

Average temperature
Johnstown, NE

Average temperature - Johnstown, NE

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (31.1°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure
Johnstown, NE

Average pressure - Johnstown, NE

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Johnstown, NE

Average wind speed - Johnstown, NE

The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.7mph).

Average humidity
Johnstown, NE

Average humidity - Johnstown, NE

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is September (59%).

Average rainfall
Johnstown, NE

Average rainfall - Johnstown, NE

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days
Johnstown, NE

Average rainfall days - Johnstown, NE

The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are February and December (2.3 days).

Average snowfall
Johnstown, NE

Average snowfall - Johnstown, NE

The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Johnstown, NE

Average snowfall days - Johnstown, NE

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Johnstown, NE

Average daylight / Average sunshine - Johnstown, NE

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days
Johnstown, NE

Average sunshine days - Johnstown, NE

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index
Johnstown, NE

Average UV index - Johnstown, NE

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).

Average visibility
Johnstown, NE

Average visibility - Johnstown, NE

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

Johnstown, Nebraska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location