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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Keystone, Nebraska, is another cold winter month, with an average temperature ranging between max 37.6°F (3.1°C) and min 22.3°F (-5.4°C). January reports an average high-temperature of a still icy 37.6°F (3.1°C), slightly varied from December's 37.4°F (3°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Keystone, Nebraska, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 39.2°F (4°C). Keystone measures an average high-temperature of a still icy 39.2°F (4°C) in February, nearly consistent with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Keystone, Nebraska, with an average temperature varying between 52.5°F (11.4°C) and 33.3°F (0.7°C). An escalation in the average high-temperature is seen with the onset of March, moving from a wintry 39.2°F (4°C) in February to a fresh 52.5°F (11.4°C). Weather in March »
Weather in April
April is a mild spring month in Keystone, Nebraska, 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). With the start of April, the average high-temperature marginally shifts from March's cool 52.5°F (11.4°C) to a refreshing 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Keystone, is a pleasant month, with an average temperature varying between 48.7°F (9.3°C) and 68.4°F (20.2°C). In Keystone, the average high-temperature in May slightly rises, from a moderate 59.5°F (15.3°C) in April, to a pleasant 68.4°F (20.2°C). Weather in May »
Weather in June
June, the first month of the summer in Keystone, is a warm month, with an average temperature varying between 60.8°F (16°C) and 82.6°F (28.1°C). With the onset of June, Keystone's average high-temperature sees a rise, moving from May's agreeable 68.4°F (20.2°C) to a moderately hot 82.6°F (28.1°C). Weather in June »
Weather in July
July is a tropical summer month in Keystone, Nebraska, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 65.8°F (18.8°C). The month of July sees the highest average temperatures, reaching 88.3°F (31.3°C) at the peak and 65.8°F (18.8°C) at the low. July's mean heat index is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Keystone, is also a moderately hot month, with an average temperature ranging between min 63°F (17.2°C) and max 85.6°F (29.8°C). The onset of August notes an average high-temperature of a moderately hot 85.6°F (29.8°C), subtly shifted from July's 88.3°F (31.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Keystone, Nebraska, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 78.3°F (25.7°C). A minor decrease in the average high-temperature is observed during September, shifting from 85.6°F (29.8°C) in August to a still moderately hot 78.3°F (25.7°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Keystone, Nebraska, with an average temperature varying between 61.7°F (16.5°C) and 42.8°F (6°C). October marks a distinct drop in the average high-temperature, descending from September's warm 78.3°F (25.7°C) to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Keystone, is another chilly month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 32.4°F (0.2°C). The arrival of November corresponds with a temperature reduction, down from October's enjoyable 61.7°F (16.5°C) to a chilly 49.6°F (9.8°C). Weather in November »
Weather in December
December, the first month of the winter in Keystone, is still a cold month, with an average temperature varying between 22.3°F (-5.4°C) and 37.4°F (3°C). December, marked by an average high-temperature of 37.4°F (3°C) and a low-temperature of 22.3°F (-5.4°C), is the coldest month. Weather in December »
Updated: Jul 8, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
With an average relative humidity of 70%, January is the most humid month.
What is the driest month?
January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.39" (10mm) of precipitation.
How many days does it rain?
In Keystone, during the entire year, the rain falls for 117.3 days and collects up to 17.28" (439mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Keystone, during the entire year, snow falls for 35 days and aggregates up to 14.65" (372mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index in Keystone are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Keystone?
February is the month with the most snowfall. Snow falls for 8.5 days and accumulates 3.23" (82mm) of snow.
What is the month with the least sunshine?
With an average of 6h of sunshine, February has the least sunshine of the year.
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 MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the rainiest 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?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What month is the hottest?
July, noted for its average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 65.8°F (18.8°C), is considered the warmest month.
What are the months with the most sunshine in Keystone?
The months with the most sunshine are July and August, with an average of 11.4h of sunshine.
When is the highest UV index?
With an average maximum UV index of 7, July is the month with the highest UV index.
What is the least humid month?
With an average relative humidity of 53%, September is the least humid month.
What month is the coldest?
Keystone records the coldest temperatures in December, averaging a high of 37.4°F (3°C) and a low of 22.3°F (-5.4°C).
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Keystone, NE
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (37.4°F).
The month with the highest average low temperature is July (65.8°F).
The coldest months (with the lowest average low temperature) are January and December (22.3°F).
Average pressure
Keystone, NE
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Keystone, NE
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.9mph - Average wind speed in March:
11.5mph - Average wind speed in April:
12.6mph - Average wind speed in May:
11.4mph - Average wind speed in June:
10.6mph
- Average wind speed in July:
10.1mph - Average wind speed in August:
9.6mph - Average wind speed in September:
10.6mph - Average wind speed in October:
11.2mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.7mph
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 humidity
Keystone, NE
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is September (53%).
Average rainfall
Keystone, NE
- Average rainfall in January:
0.39" - Average rainfall in February:
0.63" - Average rainfall in March:
1.18" - Average rainfall in April:
1.97" - Average rainfall in May:
3.39" - Average rainfall in June:
2.09"
- Average rainfall in July:
2.48" - Average rainfall in August:
1.93" - Average rainfall in September:
1.02" - Average rainfall in October:
1.1" - Average rainfall in November:
0.47" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Keystone, NE
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
14 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
4.3 days - Average rainfall days in December:
3.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (3.8 days).
Average snowfall
Keystone, NE
- Average snowfall in January:
1.61" - Average snowfall in February:
3.23" - Average snowfall in March:
2.4" - Average snowfall in April:
1.42" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Keystone, NE
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
2.1 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Keystone, NE
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 5min - Average sunshine in April:
9h and 5min - Average sunshine in May:
9h and 5min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
11h and 2min - Average sunshine in September:
9h and 5min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days
Keystone, NE
- Average sunshine days in January:
21.5 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
22.7 days - Average sunshine days in December:
21.9 days
The month with the most sunshine days is November (22.7 days).
The months with the least sunshine days are May and June (10.6 days).
Average UV index
Keystone, NE
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Keystone, NE
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are July, August and September (Cloud cover 20).
Average visibility
Keystone, 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).
Keystone, Nebraska, USA
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