Climate and monthly weather forecastSloan, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sloan, Iowa, is a freezing cold winter month, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 13.5°F (-10.3°C). Sloan's temperature records reveal January as the coldest month, marked by average highs of 27°F (-2.8°C) and lows of 13.5°F (-10.3°C). Weather in January »Weather in February
February, the last month of the winter in Sloan, is another freezing cold month, with an average temperature ranging between max 31.1°F (-0.5°C) and min 17.1°F (-8.3°C). Sloan records a slight change with February's average high-temperatures adjusting to a still subzero cold 31.1°F (-0.5°C) from January's 27°F (-2.8°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Sloan, Iowa, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 46.8°F (8.2°C). The transition from February to March brings a clear temperature rise, with average high-temperatures increasing from a freezing cold 31.1°F (-0.5°C) to a chilly 46.8°F (8.2°C). Weather in March »Weather in April
April is a mild spring month in Sloan, Iowa, with an average temperature fluctuating between 58.6°F (14.8°C) and 41.5°F (5.3°C). With the beginning of April, Sloan's average high-temperature sees an increase, transitioning from a frosty 46.8°F (8.2°C) in March to a refreshing 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Sloan, is an agreeable month, with an average temperature varying between 52.5°F (11.4°C) and 70°F (21.1°C). With the arrival of May, the average high-temperature transitions from a moderate 58.6°F (14.8°C) in April to an agreeable 70°F (21.1°C). Weather in May »Weather in June
June, the first month of the summer in Sloan, is a moderately hot month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 80.1°F (26.7°C). With the beginning of June, Sloan's average high-temperature sees an increase, transitioning from an agreeable 70°F (21.1°C) in May to a warm 80.1°F (26.7°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Sloan, Iowa, with an average temperature fluctuating between 64.9°F (18.3°C) and 83.8°F (28.8°C). July is the month when Sloan sees the highest average temperatures, with a high of 83.8°F (28.8°C) and a low of 64.9°F (18.3°C). The heat index value for July is estimated at a hot 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Sloan, is another warm month, with an average temperature ranging between max 81.9°F (27.7°C) and min 61.5°F (16.4°C). With the advent of August, Sloan experiences an average high-temperature of a still warm 81.9°F (27.7°C), mirroring a close resemblance to the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Sloan, Iowa, with an average temperature ranging between min 55.4°F (13°C) and max 75.6°F (24.2°C). A mild shift in the average high-temperature occurs in September, reducing from 81.9°F (27.7°C) in August to a still warm 75.6°F (24.2°C). Weather in September »Weather in October
October, the same as September, in Sloan, Iowa, is a moderate autumn month, with an average temperature varying between 59.9°F (15.5°C) and 43.5°F (6.4°C). As October arrives, a noticeable drop in the average high-temperature is witnessed, moving from a warm 75.6°F (24.2°C) in September to a moderate 59.9°F (15.5°C). Weather in October »Weather in November
November, the last month of the autumn in Sloan, is another chilly month, with an average temperature fluctuating between 31.6°F (-0.2°C) and 46.8°F (8.2°C). The onset of November comes with a shift in the average high-temperature, falling from a mild 59.9°F (15.5°C) in October to a frosty 46.8°F (8.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Sloan, Iowa, with an average temperature varying between 31.1°F (-0.5°C) and 19°F (-7.2°C). The beginning of December signals a clear reduction in the average high-temperature, falling from a frosty 46.8°F (8.2°C) in November to a subzero cold 31.1°F (-0.5°C). Weather in December »Updated: Jul 18, 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 is the coldest month of the year, registering average temperatures as high as 27°F (-2.8°C) and as low as 13.5°F (-10.3°C).
The most humid month is January, with an average relative humidity of 83%.
January and February are months with the least rain when the rain falls for 2.6 days and typically aggregates up to 0.39" (10mm) of rain.
Throughout the year, in Sloan, there are 102.3 rainfall days, and 12.91" (328mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 8.2 days and accumulates 1.77" (45mm) of snow.
In Sloan, during the entire year, snow falls for 31.1 days and aggregates up to 6.85" (174mm) of snow.
With an average of 4.5h of sunshine, January has the least sunshine of the year.
January is the month with the lowest UV index, with an average maximum UV index of 1.
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.
May through September are months without snowfall.
June is the month with the most rainfall. Rain falls for 14.6 days and accumulates 1.85" (47mm) of precipitation.
With an average of 15h and 12min 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 is the warmest month in Sloan, exhibiting average temperatures of 83.8°F (28.8°C) at the peak and 64.9°F (18.3°C) at the base.
The month with the most sunshine is July, with an average of 10.7h of sunshine.
October is the least humid month, with an average relative humidity of 65%.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Sloan, IA
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Sloan, IA
- 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:
29.94"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"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
Sloan, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Sloan, IA
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).
Average rainfall
Sloan, IA
- Average rainfall in January:
0.39" - Average rainfall in February:
0.39" - Average rainfall in March:
0.87" - Average rainfall in April:
1.57" - Average rainfall in May:
1.73" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.5" - Average rainfall in September:
1.26" - Average rainfall in October:
0.94" - Average rainfall in November:
0.47" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days
Sloan, IA
- Average rainfall days in January:
2.6 days - Average rainfall days in February:
3.2 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
10.5 days - Average rainfall days in August:
11.7 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
5 days - Average rainfall days in December:
3.2 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).
Average snowfall
Sloan, IA
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sloan, IA
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
6.9 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0 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:
2.5 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sloan, IA
- 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 30min - 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 6min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 54min - Average sunshine in December:
4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Sloan, IA
- Average sunshine days in January:
22.6 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
15.7 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
17.1 days - Average sunshine days in August:
16.1 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20.6 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).
Average UV index
Sloan, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Sloan, IA
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Sloan, IA
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).
