Climate and monthly weather forecastSlater, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Slater, Iowa, is a freezing cold winter month, with an average temperature varying between 13.6°F (-10.2°C) and 26.6°F (-3°C). Slater witnesses the coldest weather in January, with temperatures averaging a high of 26.6°F (-3°C) and a low of 13.6°F (-10.2°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Slater, Iowa, with an average temperature fluctuating between 30.7°F (-0.7°C) and 17.4°F (-8.1°C). As Slater transitions into February, the average high-temperature stands at a still subzero cold 30.7°F (-0.7°C), offering little variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Slater, Iowa, with an average temperature varying between 31.5°F (-0.3°C) and 46°F (7.8°C). The arrival of March brings a significant change in Slater's weather, with average high-temperatures climbing from February's subzero cold 30.7°F (-0.7°C) to a chilly 46°F (7.8°C). Weather in March »Weather in April
April in Slater, Iowa, is a refreshing spring month, with an average temperature ranging between min 41.9°F (5.5°C) and max 58.5°F (14.7°C). The onset of April brings a rise in the average high-temperature, elevating from a chilly 46°F (7.8°C) in March to a moderate 58.5°F (14.7°C). Weather in April »Weather in May
May, the last month of the spring in Slater, is a pleasant month, with an average temperature fluctuating between 52.9°F (11.6°C) and 69.3°F (20.7°C). May brings a rise in Slater's average high-temperature, moving from a mild 58.5°F (14.7°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 Slater, is a moderately hot month, with an average temperature ranging between max 79.2°F (26.2°C) and min 62.6°F (17°C). Slater's transition into June is marked by a rise in the average high-temperature, advancing from a pleasant 69.3°F (20.7°C) in May to a warm 79.2°F (26.2°C). Weather in June »Weather in July
July, like June, in Slater, Iowa, is another warm summer month, with an average temperature fluctuating between 64.8°F (18.2°C) and 81.9°F (27.7°C). With average high and low temperatures of 81.9°F (27.7°C) and 64.8°F (18.2°C) respectively, July is Slater's warmest month. The heat index in July is appraised at a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Slater, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 80.2°F (26.8°C). As Slater welcomes August, the average high-temperature records at a still moderately hot 80.2°F (26.8°C), marking an insignificant deviation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Slater, Iowa, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 74.8°F (23.8°C). The advent of September brings a slight shift in average high-temperature, moving from 80.2°F (26.8°C) in August to a still warm 74.8°F (23.8°C). Weather in September »Weather in October
October, the same as September, in Slater, Iowa, is another refreshing autumn month, with an average temperature varying between 59.9°F (15.5°C) and 44.4°F (6.9°C). Slater's weather in October is marked by a clear decrease in the average high-temperature, moving down from September's moderately hot 74.8°F (23.8°C) to a moderate 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Slater, Iowa, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 32.2°F (0.1°C). November comes with a decrease in the average high-temperature, falling from a moderate 59.9°F (15.5°C) in October to a frosty 46.4°F (8°C). Weather in November »Weather in December
December, the first month of the winter in Slater, is also a wintry month, with an average temperature ranging between min 21.4°F (-5.9°C) and max 32.5°F (0.3°C). December's arrival corresponds with a decrease in average high-temperatures, from November's chilly 46.4°F (8°C) to a cold 32.5°F (0.3°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 is the coldest month in Slater, with the temperature often reaching an average high of 26.6°F (-3°C) and an average low of 13.6°F (-10.2°C).
January is the most humid month, with an average relative humidity of 84%.
The month with the least rainfall is January, when the rain falls for 4.4 days and typically collects 0.98" (25mm) of precipitation.
Throughout the year, there are 141.4 rainfall days, and 29.65" (753mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Slater, Iowa.
In Slater, Iowa, during the entire year, snow falls for 44 days and aggregates up to 16.65" (423mm) of snow.
The month with the least sunshine is January, with an average of 4.1h of sunshine.
The months with the lowest UV index in Slater are January, February, October through December, with an average maximum UV index of 2.
February is the month with the most snowfall in Slater, Iowa. Snow falls for 10.3 days and accumulates 4.57" (116mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Slater, 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 in Slater is May, when the rain falls for 19 days and typically aggregates up to 4.65" (118mm) of precipitation.
In Slater, Iowa, snow does not fall in June through September.
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 in Slater.
The average temperatures in Slater, Iowa, reach their apex in July, averaging 81.9°F (27.7°C) at the high end and 64.8°F (18.2°C) at the low end.
The month with the most sunshine in Slater is July, with an average of 10.2h of sunshine.
With an average relative humidity of 70%, October is the least humid month in Slater.
December has the shortest days of the year in Slater, with an average of 9h and 12min of daylight.
Average temperature
Slater, IA
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (26.6°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure
Slater, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Slater, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - 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 (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Slater, IA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Slater, IA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.14" - Average rainfall in March:
1.81" - Average rainfall in April:
3.11" - Average rainfall in May:
4.65" - Average rainfall in June:
4.37"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days
Slater, IA
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
19 days - Average rainfall days in June:
19.3 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Slater, IA
- Average snowfall in January:
4.41" - Average snowfall in February:
4.57" - Average snowfall in March:
1.61" - Average snowfall in April:
0.63" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Slater, IA
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.2 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:
3.5 days - Average snowfall days in December:
9.3 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Slater, 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 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 42min - Average sunshine in September:
9h and 18min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Slater, IA
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index
Slater, 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
Slater, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Slater, IA
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
