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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 Watterson, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 16.9°F (-8.4°C). Watterson's coldest temperatures are experienced in January, with average high temperatures of 30.6°F (-0.8°C) and lows of 16.9°F (-8.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Watterson, Iowa, with an average temperature fluctuating between 34.2°F (1.2°C) and 20.1°F (-6.6°C). With the start of February, Watterson measures an average high-temperature of an icy 34.2°F (1.2°C), not significantly differing from January's 30.6°F (-0.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Watterson, Iowa, with an average temperature ranging between min 33.3°F (0.7°C) and max 48.7°F (9.3°C). March is marked by a distinct increase in the average high-temperature, climbing from a wintry 34.2°F (1.2°C) in February to a chilly 48.7°F (9.3°C). Weather in March »
Weather in April
April is a mild spring month in Watterson, Iowa, with an average temperature varying between 42.6°F (5.9°C) and 60.4°F (15.8°C). The onset of April marks an increase in the average high-temperature, moving from a frosty 48.7°F (9.3°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »
Weather in May
May, the last month of the spring in Watterson, is a pleasant month, with an average temperature fluctuating between 69.6°F (20.9°C) and 53.1°F (11.7°C). May's onset brings a rise in the average high-temperature, moving from a moderate 60.4°F (15.8°C) in April to a pleasant 69.6°F (20.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Watterson, Iowa, with an average temperature varying between 79.9°F (26.6°C) and 63.3°F (17.4°C). June witnesses an increase in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in May to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Watterson, Iowa, with an average temperature ranging between max 83.5°F (28.6°C) and min 66°F (18.9°C). Watterson's July weather, marked by an average high temperature of 83.5°F (28.6°C) and an average low temperature of 66°F (18.9°C), is the warmest in the year. The average heat index in July is calculated to be a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Watterson, is also a moderately hot month, with an average temperature ranging between min 63.3°F (17.4°C) and max 81.7°F (27.6°C). Watterson, Iowa, ushers in August with an average high-temperature of a still warm 81.7°F (27.6°C), showing a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Watterson, Iowa, with an average temperature varying between 75.9°F (24.4°C) and 56.3°F (13.5°C). The start of September involves a subtle temperature drop, shifting from 81.7°F (27.6°C) in August to a still warm 75.9°F (24.4°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Watterson, Iowa, with an average temperature fluctuating between 61.5°F (16.4°C) and 44.6°F (7°C). Watterson's transition into October is marked by a clear temperature shift, receding from a warm 75.9°F (24.4°C) in September to an enjoyable 61.5°F (16.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Watterson, Iowa, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 48.4°F (9.1°C). The shift from October to November involves a decrease in the average high-temperature, from a refreshing 61.5°F (16.4°C) to a chilly 48.4°F (9.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Watterson, Iowa, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 23.2°F (-4.9°C). In December, the average high-temperature goes from a frosty 48.4°F (9.1°C) in November to a cold 35.2°F (1.8°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
What time of the year is the coldest in Watterson?
The lowest temperatures in Watterson are recorded in January, with averages reaching a high of 30.6°F (-0.8°C) and a low of 16.9°F (-8.4°C).
How many days does it rain in Watterson?
Throughout the year, in Watterson, Iowa, there are 126.9 rainfall days, and 22.6" (574mm) of precipitation is accumulated.
When does it snow in Watterson?
Months with snowfall in Watterson are January through May, October through December.
What is the snowiest month in Watterson?
The month with the most snowfall in Watterson is January, when snow falls for 8.4 days and typically aggregates up to 3.54" (90mm) of snow.
How much does it snow in Watterson?
Throughout the year, there are 28.7 snowfall days, and 11.85" (301mm) of snow is accumulated.
What is the month with the least sunshine in Watterson?
January has the least sunshine of the year in Watterson, Iowa, with an average of 4.6h of sunshine.
What is the month with the lowest UV index in Watterson?
The month with the lowest UV index in Watterson is January, with an average maximum UV index of 1.
What is the driest month in Watterson?
The months with the least rainfall in Watterson are February and December Rain falls for 4.7 days and accumulates 0.71" (18mm) of rain.
When is Daylight Saving Time (DST) in Watterson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Watterson, 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 most humid month in Watterson?
June is the most humid month, with an average relative humidity of 82%.
What is the wettest month in Watterson?
The month with the most rainfall in Watterson is June, when the rain falls for 16.1 days and typically aggregates up to 3.86" (98mm) of precipitation.
When it does not snow in Watterson?
In Watterson, Iowa, snow does not fall in June through September.
When are the longest days in Watterson?
June has the longest days of the year in Watterson, Iowa, with an average of 15h and 0min of daylight.
What are the months with the highest UV index in Watterson?
The months with the highest UV index in Watterson are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Watterson?
July, characterized by an average high temperature of 83.5°F (28.6°C) and a low temperature of 66°F (18.9°C), is generally the warmest month in Watterson.
What month has the most sunshine in Watterson?
The month with the most sunshine is July, with an average of 10.3h of sunshine.
What is the least humid month in Watterson?
October is the least humid month in Watterson, with an average relative humidity of 71%.
What is the month with the shortest days in Watterson?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Watterson, Iowa.
Average temperature
Watterson, IA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure
Watterson, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"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:
30.13"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
Watterson, IA
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Watterson, IA
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Watterson, IA
- Average rainfall in January:
0.75" - Average rainfall in February:
0.71" - Average rainfall in March:
1.54" - Average rainfall in April:
1.93" - Average rainfall in May:
3.46" - Average rainfall in June:
3.86"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.32" - Average rainfall in September:
2.24" - Average rainfall in October:
1.65" - Average rainfall in November:
1.1" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days
Watterson, IA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Watterson, IA
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Watterson, IA
- Average snowfall days in January:
8.4 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.8 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:
0.8 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Watterson, 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 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 3min - 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:
5h and 0min
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 36min).
Average sunshine days
Watterson, IA
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index
Watterson, IA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Watterson, IA
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Watterson, 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).
Watterson, Iowa, USA
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