Climate and monthly weather forecastSigourney, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sigourney, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 15.6°F (-9.1°C) and an average high of 28.6°F (-1.9°C). January is the coldest month, with an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 15.6°F (-9.1°C). Weather in January »Weather in February
February, the last month of the winter in Sigourney, is a wintry month, with an average temperature ranging between min 19°F (-7.2°C) and max 32.5°F (0.3°C). Sigourney measures an average high-temperature of a cold 32.5°F (0.3°C) in February, nearly consistent with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Sigourney, is a frosty month, with an average temperature ranging between max 47.1°F (8.4°C) and min 32.4°F (0.2°C). With the onset of March, Sigourney experiences a distinct temperature rise, with the average high-temperature advancing from February's cold 32.5°F (0.3°C) to a chilly 47.1°F (8.4°C). Weather in March »Weather in April
April is a mild spring month in Sigourney, Iowa, with an average temperature fluctuating between 42.4°F (5.8°C) and 59.5°F (15.3°C). With the onset of April, the average high-temperature slightly shifts from March's frosty 47.1°F (8.4°C) to a mild 59.5°F (15.3°C). Weather in April »Weather in May
May, the last month of the spring in Sigourney, is an agreeable month, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 53.2°F (11.8°C). May brings an increase in the average high-temperature, progressing from a refreshing 59.5°F (15.3°C) in April to a pleasant 70°F (21.1°C). Weather in May »Weather in June
June, the first month of the summer in Sigourney, is a moderately hot month, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.3°F (26.3°C). With the beginning of June, Sigourney's average high-temperature sees an increase, transitioning from an agreeable 70°F (21.1°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Sigourney, Iowa, is a moderately hot summer month, with an average temperature varying between 65.1°F (18.4°C) and 82°F (27.8°C). The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 65.1°F (18.4°C). For most parts of July, the heat index is computed to be a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Sigourney, is another warm month, with an average temperature fluctuating between 81.1°F (27.3°C) and 62.8°F (17.1°C). August brings a marginal elevation to a still warm 81.1°F (27.3°C) from July's 82°F (27.8°C) in Sigourney's average high-temperatures. Weather in August »Weather in September
September, the first month of the autumn in Sigourney, is also a moderately hot month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 75.2°F (24°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 81.1°F (27.3°C) to a still moderately hot 75.2°F (24°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Sigourney, Iowa, with an average temperature ranging between min 44.8°F (7.1°C) and max 61.3°F (16.3°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from a moderately hot 75.2°F (24°C) in September to an enjoyable 61.3°F (16.3°C). Weather in October »Weather in November
November, the last month of the autumn in Sigourney, is another chilly month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 33.4°F (0.8°C). November's onset brings a noticeable temperature drop, falling from a comfortable 61.3°F (16.3°C) in October to a frosty 46.9°F (8.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Sigourney, Iowa, with an average temperature ranging between max 34.7°F (1.5°C) and min 23.4°F (-4.8°C). With December's arrival, Sigourney's weather changes as the average high-temperature falls from a chilly 46.9°F (8.3°C) in November to a wintry 34.7°F (1.5°C). Weather in December »Updated: Aug 12, 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
January, known for its average high temperature of 28.6°F (-1.9°C) and an average low temperature of 15.6°F (-9.1°C), is the coldest month.
In Sigourney, during the entire year, the rain falls for 137.9 days and collects up to 27.76" (705mm) of precipitation.
Months with snowfall are January through May, October through December.
The month with the most snowfall in Sigourney is January, when snow falls for 9.5 days and typically aggregates up to 4.06" (103mm) of snow.
In Sigourney, during the entire year, snow falls for 32.8 days and aggregates up to 12.56" (319mm) of snow.
With an average of 4.2h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
February is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.98" (25mm) of precipitation.
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.
The month with the most rainfall is May, when the rain falls for 17.7 days and typically aggregates up to 4.17" (106mm) of precipitation.
June through September are months without snowfall.
With an average of 15h and 6min of daylight, June has the longest days of the year.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
July, with an average high of 82°F (27.8°C) and a low of 65.1°F (18.4°C), signifies the warmest month of the year.
With an average relative humidity of 83%, July is the most humid month.
With an average of 10.3h of sunshine, July has the most sunshine of the year.
October is the least humid month in Sigourney, with an average relative humidity of 72%.
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Sigourney, IA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Sigourney, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Sigourney, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
8mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Sigourney, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Sigourney, IA
- Average rainfall in January:
1.06" - Average rainfall in February:
0.98" - Average rainfall in March:
1.97" - Average rainfall in April:
2.87" - Average rainfall in May:
4.17" - Average rainfall in June:
4.02"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.76" - Average rainfall in October:
2.2" - Average rainfall in November:
1.54" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Sigourney, IA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Sigourney, IA
- Average snowfall in January:
4.06" - Average snowfall in February:
3.66" - Average snowfall in March:
1.34" - Average snowfall in April:
0.79" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sigourney, IA
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.8 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:
0.5 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sigourney, IA
- Average daylight in January:
9h and 36min - 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 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 18min
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:
4h and 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Sigourney, IA
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Sigourney, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Sigourney, IA
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility
Sigourney, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
