Climate and monthly weather forecastBuchanan, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Buchanan, Iowa, is a freezing cold winter month, with an average temperature ranging between min 14.5°F (-9.7°C) and max 26.8°F (-2.9°C). The month of January, characterized by an average high of 26.8°F (-2.9°C) and a low of 14.5°F (-9.7°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Buchanan, Iowa, with temperature in the range of an average high of 31.3°F (-0.4°C) and an average low of 18.3°F (-7.6°C). The transition into February shows a subtle variation to a still freezing cold 31.3°F (-0.4°C) from January's 26.8°F (-2.9°C) in the average high-temperature. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Buchanan, Iowa, with an average temperature ranging between max 46°F (7.8°C) and min 31.3°F (-0.4°C). Buchanan's transition into March is marked by a clear temperature shift, advancing from a subzero cold 31.3°F (-0.4°C) in February to a frosty 46°F (7.8°C). Weather in March »Weather in April
April in Buchanan, Iowa, is a refreshing spring month, with an average temperature fluctuating between 41.2°F (5.1°C) and 58.1°F (14.5°C). With the transition into April, Buchanan experiences an increase in average high-temperatures, moving up from a frosty 46°F (7.8°C) in March to a moderate 58.1°F (14.5°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Buchanan, Iowa, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.5°F (11.4°C). With the onset of May, Buchanan's weather sees a temperature rise, transitioning from a mild 58.1°F (14.5°C) in April to a pleasant 69.3°F (20.7°C). Weather in May »Weather in June
June, the first month of the summer in Buchanan, is a moderately hot month, with an average temperature fluctuating between 61.5°F (16.4°C) and 78.4°F (25.8°C). June witnesses an increase in the average high-temperature, moving from an agreeable 69.3°F (20.7°C) in May to a warm 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Buchanan, Iowa, is a moderately hot summer month, with an average temperature ranging between max 80.6°F (27°C) and min 64.6°F (18.1°C). With average high temperatures of 80.6°F (27°C) and lows of 64.6°F (18.1°C), July is the warmest month. The heat index in July is computed to be a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Buchanan, Iowa, with an average temperature varying between 79.7°F (26.5°C) and 61.9°F (16.6°C). August's onset records an average high-temperature of a still moderately hot 79.7°F (26.5°C), a near match to July's 80.6°F (27°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Buchanan, Iowa, with an average temperature varying between 74.3°F (23.5°C) and 55.2°F (12.9°C). September signifies a minor drop in average high-temperature, transitioning from 79.7°F (26.5°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Buchanan, Iowa, with an average temperature varying between 59.9°F (15.5°C) and 44.1°F (6.7°C). Buchanan's transition into October marks a considerable drop in the average high-temperature, moving down from a moderately hot 74.3°F (23.5°C) in September to a mild 59.9°F (15.5°C). Weather in October »Weather in November
November, the last month of the autumn in Buchanan, is another chilly month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 32.4°F (0.2°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's mild 59.9°F (15.5°C) to a frosty 46°F (7.8°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Buchanan, Iowa, with temperature in the range of an average low of 23°F (-5°C) and an average high of 33.3°F (0.7°C). With December's onset, the average high-temperature recedes from November's frosty 46°F (7.8°C) to an icy 33.3°F (0.7°C). Weather in December »Updated: Feb 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, with its high-temperature average of 26.8°F (-2.9°C) and a low-temperature average of 14.5°F (-9.7°C), is the coldest month in Buchanan.
The months with the highest humidity in Buchanan are January and July, with an average relative humidity of 84%.
January is the month with the least rainfall in Buchanan. Rain falls for 4.9 days and accumulates 1.26" (32mm) of precipitation.
Throughout the year, in Buchanan, Iowa, there are 145.6 rainfall days, and 30.04" (763mm) of precipitation is accumulated.
Months with snowfall in Buchanan, Iowa, are January through April, October through December.
The month with the most snowfall is January, when snow falls for 10.5 days and typically aggregates up to 5.24" (133mm) of snow.
Throughout the year, in Buchanan, there are 37.9 snowfall days, and 16.81" (427mm) of snow is accumulated.
With an average of 4h of sunshine, January has the least sunshine of the year in Buchanan, Iowa.
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Buchanan.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Buchanan, Iowa, 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 19 days and typically aggregates up to 4.65" (118mm) of precipitation.
In Buchanan, Iowa, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 12min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index in Buchanan, Iowa.
Buchanan, Iowa, notes the warmest temperatures in July, with a average high of 80.6°F (27°C) and a low of 64.6°F (18.1°C).
July has the most sunshine of the year, with an average of 10h of sunshine.
With an average relative humidity of 72%, October is the least humid month in Buchanan.
With an average of 9h and 12min of daylight, December has the shortest days of the year in Buchanan.
Average temperature
Buchanan, IA
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure
Buchanan, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"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 (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Buchanan, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.8mph - Average wind speed in September:
8mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Buchanan, IA
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Buchanan, IA
- Average rainfall in January:
1.26" - Average rainfall in February:
1.34" - Average rainfall in March:
2.05" - Average rainfall in April:
3.27" - Average rainfall in May:
4.65" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.09" - Average rainfall in September:
2.48" - Average rainfall in October:
2.56" - Average rainfall in November:
1.77" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days
Buchanan, IA
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
16.2 days - Average rainfall days in May:
19 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
12 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (4.9 days).
Average snowfall
Buchanan, IA
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Buchanan, IA
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.5 days - Average snowfall days in April:
1.2 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:
0.6 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Buchanan, 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 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 - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 30min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 24min
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Buchanan, IA
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
11.2 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17.8 days
The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (8.8 days).
Average UV index
Buchanan, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Buchanan, IA
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Buchanan, 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).
