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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Patterson, Iowa, is a freezing cold winter month, with temperature in the range of an average low of 15.3°F (-9.3°C) and an average high of 28.8°F (-1.8°C). Patterson records the coldest temperatures in January, averaging a high of 28.8°F (-1.8°C) and a low of 15.3°F (-9.3°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Patterson, Iowa, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 18.3°F (-7.6°C). The beginning of February records an average high-temperature of a cold 32.5°F (0.3°C), marking a negligible difference from January's 28.8°F (-1.8°C). Weather in February »
Weather in March
March, the first month of the spring in Patterson, is a chilly month, with an average temperature ranging between min 32.5°F (0.3°C) and max 47.8°F (8.8°C). With the beginning of March, Patterson's average high-temperature experiences a significant increase, moving from an icy 32.5°F (0.3°C) in February to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April in Patterson, Iowa, is a mild spring month, with an average temperature varying between 59.7°F (15.4°C) and 42.3°F (5.7°C). The onset of April brings a temperature shift, with the average high-temperature moving from a chilly 47.8°F (8.8°C) in March to a mild 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Patterson, Iowa, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.7°F (11.5°C). An increase in the average high-temperature marks May, moving from April's mild 59.7°F (15.4°C) to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
June, the first month of the summer in Patterson, is a warm month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 79.7°F (26.5°C). With the arrival of June, the average high-temperature transitions from a pleasant 69.4°F (20.8°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Patterson, Iowa, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 83.3°F (28.5°C). July, having an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 65.1°F (18.4°C), is the warmest month. The heat index for July is appraised at a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Patterson, Iowa, with an average temperature ranging between min 62.6°F (17°C) and max 81.5°F (27.5°C). Patterson, Iowa, records a slight change with August's average high-temperatures adjusting to a still moderately hot 81.5°F (27.5°C) from July's 83.3°F (28.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Patterson, Iowa, with an average temperature varying between 55.9°F (13.3°C) and 75.4°F (24.1°C). As September arrives, Patterson's weather displays a minor decrease in high-temperatures, transitioning from August's 81.5°F (27.5°C) to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in Patterson, Iowa, is another refreshing autumn month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 44.2°F (6.8°C). A clear decrease in the average high-temperature is observed during October, decreasing from a moderately hot 75.4°F (24.1°C) in September to an enjoyable 60.8°F (16°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Patterson, Iowa, with an average temperature varying between 47.3°F (8.5°C) and 32.7°F (0.4°C). Setting in of November comes with a decrease in the average high-temperature, moving from a comfortable 60.8°F (16°C) in October to a chilly 47.3°F (8.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Patterson, Iowa, with temperature in the range of an average high of 34.3°F (1.3°C) and an average low of 22.5°F (-5.3°C). The shift to December brings a decrease in the average high-temperature, falling from a frosty 47.3°F (8.5°C) in November to a cold 34.3°F (1.3°C). Weather in December »
Updated: Aug 13, 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
What part of the year is the coldest?
In Patterson, January registers the lowest temperatures, averaging 28.8°F (-1.8°C) at the peak and 15.3°F (-9.3°C) at the lowest.
What is the most humid month in Patterson?
January, February and June, with an average relative humidity of 82%, are most humid months.
What is the driest month?
January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.91" (23mm) of precipitation.
How much does it rain?
In Patterson, during the entire year, the rain falls for 133 days and collects up to 26.14" (664mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Patterson, during the entire year, snow falls for 35 days and aggregates up to 15.04" (382mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.4h of sunshine.
When is the lowest UV index?
The months with the lowest UV index in Patterson are January, February, October through December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 4.53" (115mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
In Patterson, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
Patterson's warmest month, July, registers temperatures that range from a high of 83.3°F (28.5°C) to a low of 65.1°F (18.4°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Patterson, IA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°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 (15.3°F).
Average pressure
Patterson, 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:
29.92"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:
29.96"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
Patterson, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.1mph - 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:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity
Patterson, IA
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Patterson, IA
- Average rainfall in January:
0.91" - Average rainfall in February:
1.06" - Average rainfall in March:
1.77" - Average rainfall in April:
2.76" - Average rainfall in May:
3.98" - Average rainfall in June:
3.78"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Patterson, IA
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall
Patterson, IA
- Average snowfall in January:
4.29" - Average snowfall in February:
4.53" - Average snowfall in March:
1.97" - Average snowfall in April:
0.91" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Patterson, IA
- Average snowfall days in January:
9.1 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
5 days - Average snowfall days in April:
1.7 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:
0.5 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Patterson, IA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 12min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
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 24min).
Average sunshine days
Patterson, IA
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
11 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index
Patterson, IA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Patterson, IA
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility
Patterson, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Patterson, Iowa, USA
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