Climate and monthly weather forecastDecatur, NE
Climate and monthly weather forecast
Weather in January
January, the same as December, in Decatur, Nebraska, is another subzero cold winter month, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 28°F (-2.2°C). January is Decatur's coldest month, registering average high temperatures of 28°F (-2.2°C) and lows of 15.1°F (-9.4°C). Weather in January »Weather in February
February, the last month of the winter in Decatur, is a cold month, with an average temperature ranging between max 32.2°F (0.1°C) and min 18.3°F (-7.6°C). The shift into February reveals an average high-temperature of a cold 32.2°F (0.1°C), closely mirroring January's climate. Weather in February »Weather in March
March, the first month of the spring in Decatur, is a chilly month, with an average temperature fluctuating between 47.8°F (8.8°C) and 31.8°F (-0.1°C). The average high-temperature exhibits a considerable increase in March, surging from a wintry 32.2°F (0.1°C) in February to a frosty 47.8°F (8.8°C). Weather in March »Weather in April
April in Decatur, Nebraska, is a moderate spring month, with an average temperature fluctuating between 59.4°F (15.2°C) and 42.1°F (5.6°C). The start of April signals an increase in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a moderate 59.4°F (15.2°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Decatur, Nebraska, with an average temperature ranging between min 53.2°F (11.8°C) and max 70.3°F (21.3°C). With the onset of May, Decatur experiences a temperature shift, with the average high-temperature moving from a refreshing 59.4°F (15.2°C) in April to a pleasant 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 Decatur, Nebraska, with an average temperature fluctuating between 80.2°F (26.8°C) and 63.1°F (17.3°C). Decatur experiences a temperature shift with the start of June, with average high-temperatures moving from an agreeable 70.3°F (21.3°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Decatur, Nebraska, with an average temperature varying between 83.8°F (28.8°C) and 65.5°F (18.6°C). The month of July, characterized by an average high of 83.8°F (28.8°C) and a low of 65.5°F (18.6°C), is recognized as the warmest. Throughout 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 Decatur, Nebraska, with an average temperature ranging between min 61.7°F (16.5°C) and max 82°F (27.8°C). August's weather displays an average high-temperature of a still warm 82°F (27.8°C), slightly varied from July's 83.8°F (28.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Decatur, Nebraska, with an average temperature fluctuating between 56.3°F (13.5°C) and 76.1°F (24.5°C). Decatur's progression into September involves a gentle drop in the average high-temperature, from a warm 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »Weather in October
October, the same as September, in Decatur, Nebraska, is another refreshing autumn month, with an average temperature ranging between max 60.6°F (15.9°C) and min 44.4°F (6.9°C). October's arrival signals a significant decrease in average high-temperatures, falling from September's warm 76.1°F (24.5°C) to a mild 60.6°F (15.9°C). Weather in October »Weather in November
November, the last month of the autumn in Decatur, is another chilly month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 32.7°F (0.4°C). The start of November comes with a reduction in the average high-temperature, receding from a refreshing 60.6°F (15.9°C) in October to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in Decatur, is still a cold month, with temperature in the range of an average high of 32.2°F (0.1°C) and an average low of 20.3°F (-6.5°C). Decatur in December sees a clear temperature decline, with average high-temperatures decreasing from a chilly 47.3°F (8.5°C) in November to a cold 32.2°F (0.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Decatur, NE
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Decatur, NE
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Decatur, NE
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
7.4mph - Average wind speed in August:
7.7mph - Average wind speed in September:
8.8mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity
Decatur, NE
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).
Average rainfall
Decatur, NE
- Average rainfall in January:
0.67" - Average rainfall in February:
0.83" - Average rainfall in March:
1.38" - Average rainfall in April:
2.17" - Average rainfall in May:
3.31" - Average rainfall in June:
3.15"
- Average rainfall in July:
1.77" - Average rainfall in August:
2.28" - Average rainfall in September:
2.05" - Average rainfall in October:
2.05" - Average rainfall in November:
0.83" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Decatur, NE
- Average rainfall days in January:
2.9 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
12.6 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall
Decatur, NE
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Decatur, NE
- Average snowfall days in January:
8.9 days - Average snowfall days in February:
7.5 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.1 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:
0.9 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Decatur, NE
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
5h and 18min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Decatur, NE
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
14 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
15.6 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
19 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).
Average UV index
Decatur, NE
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Decatur, NE
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Decatur, 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).





