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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 Dexter, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 14.5°F (-9.7°C) and 28°F (-2.2°C). January, with an average high of 28°F (-2.2°C) and a low of 14.5°F (-9.7°C), signifies the coldest month of the year. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Dexter, Iowa, with an average temperature varying between 32°F (0°C) and 17.8°F (-7.9°C). Dexter records an average high-temperature of a wintry 32°F (0°C) in February, closely mirroring the climate of the previous month. Weather in February »
Weather in March
March, the first month of the spring in Dexter, is a frosty month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 46.9°F (8.3°C). March's arrival witnesses a distinct rise in the average high-temperature, advancing from February's cold 32°F (0°C) to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Dexter, Iowa, with an average temperature ranging between min 41.9°F (5.5°C) and max 59.2°F (15.1°C). A rise in the average high-temperature is observed during April, moving from a frosty 46.9°F (8.3°C) in March to a mild 59.2°F (15.1°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Dexter, Iowa, with an average temperature fluctuating between 52.3°F (11.3°C) and 69.3°F (20.7°C). The onset of May marks an increase in the average high-temperature, moving from a refreshing 59.2°F (15.1°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Dexter, Iowa, with an average temperature ranging between min 62.8°F (17.1°C) and max 79.2°F (26.2°C). The beginning of June marks a shift in the average high-temperature, moving from May's agreeable 69.3°F (20.7°C) to a warm 79.2°F (26.2°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Dexter, Iowa, with an average temperature varying between 82.2°F (27.9°C) and 64.9°F (18.3°C). July, recording an average high temperature of 82.2°F (27.9°C) and a low temperature of 64.9°F (18.3°C), is Dexter's warmest month. July's heat index is estimated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Dexter, Iowa, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 62.2°F (16.8°C). August's average high-temperature is a still warm 81°F (27.2°C), maintaining a close comparison with July's 82.2°F (27.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dexter, Iowa, with an average temperature varying between 74.8°F (23.8°C) and 55.9°F (13.3°C). A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 81°F (27.2°C) in August to a still warm 74.8°F (23.8°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Dexter, Iowa, with an average temperature varying between 60.3°F (15.7°C) and 43.9°F (6.6°C). A notable decrease in the average high-temperature is observed during October, falling from a moderately hot 74.8°F (23.8°C) in September to a moderate 60.3°F (15.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Dexter, is another chilly month, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 32.5°F (0.3°C). With November's arrival, Dexter's weather changes as the average high-temperature falls from a refreshing 60.3°F (15.7°C) in October to a chilly 46.8°F (8.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Dexter, Iowa, with an average temperature fluctuating between 21.7°F (-5.7°C) and 33.3°F (0.7°C). The average high-temperature drops in December, from November's chilly 46.8°F (8.2°C) to a cold 33.3°F (0.7°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Dexter?
Dexter experiences its average lowest temperatures in January, reaching a peak of 28°F (-2.2°C) and a minimum of 14.5°F (-9.7°C).
What are the most humid months in Dexter?
January and February, with an average relative humidity of 82%, are most humid months in Dexter, Iowa.
What is the driest month in Dexter?
January is the month with the least rainfall. Rain falls for 3.3 days and accumulates 0.55" (14mm) of precipitation.
How many days does it rain in Dexter?
In Dexter, Iowa, during the entire year, the rain falls for 117.3 days and collects up to 19.09" (485mm) of precipitation.
When does it snow in Dexter?
Months with snowfall are January through May, October through December.
How much does it snow in Dexter?
Throughout the year, in Dexter, Iowa, there are 31.7 snowfall days, and 9.29" (236mm) of snow is accumulated.
What is the month with the least sunshine in Dexter?
January has the least sunshine of the year, with an average of 4.3h of sunshine.
What are the months with the lowest UV index in Dexter?
The months with the lowest UV index in Dexter, Iowa, are January and December, with an average maximum UV index of 1.
When does it snow the most in Dexter?
February is the month with the most snowfall in Dexter. Snow falls for 7.8 days and accumulates 2.76" (70mm) of snow.
When is Daylight Saving Time (DST) in Dexter?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dexter, 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 in Dexter?
June is the month with the most rainfall. Rain falls for 15.4 days and accumulates 3.11" (79mm) of precipitation.
When it does not snow in Dexter?
In Dexter, Iowa, snow does not fall in June through September.
When are the longest days in Dexter?
June has the longest days of the year in Dexter, Iowa, with an average of 15h and 6min of daylight.
When is the highest UV index in Dexter?
The months with the highest UV index in Dexter, Iowa, are June through August, with an average maximum UV index of 6.
What are the warmest months in Dexter?
July, recording an average high temperature of 82.2°F (27.9°C) and a low temperature of 64.9°F (18.3°C), is Dexter's warmest month.
What month has the most sunshine in Dexter?
With an average of 10.2h of sunshine, July has the most sunshine of the year.
What is the least humid month in Dexter?
With an average relative humidity of 70%, October is the least humid month.
What is the month with the shortest days in Dexter?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Dexter, IA
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°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 (14.5°F).
Average pressure
Dexter, 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
Dexter, IA
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.3mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity
Dexter, IA
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Dexter, IA
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
1.22" - Average rainfall in April:
1.89" - Average rainfall in May:
3.07" - Average rainfall in June:
3.11"
- Average rainfall in July:
1.97" - Average rainfall in August:
2.09" - Average rainfall in September:
1.89" - Average rainfall in October:
1.26" - Average rainfall in November:
0.75" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Dexter, IA
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.9 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
8 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall
Dexter, IA
- Average snowfall in January:
2.32" - Average snowfall in February:
2.76" - Average snowfall in March:
1.18" - Average snowfall in April:
0.43" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dexter, IA
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.7 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:
0.9 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Dexter, 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 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Dexter, IA
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
18 days - Average sunshine days in March:
17.2 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
22 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.1 days).
Average UV index
Dexter, 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 and December (UV index 1).
Average cloud cover
Dexter, IA
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility
Dexter, IA
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Dexter, Iowa, USA
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