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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, like December, is a freezing cold winter month in Dawson, Iowa, with temperature in the range of an average low of 14°F (-10°C) and an average high of 27.1°F (-2.7°C). The coldest time of the year is January, with temperatures averaging a high of 27.1°F (-2.7°C) and a low of 14°F (-10°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Dawson, Iowa, with temperature in the range of an average low of 17.2°F (-8.2°C) and an average high of 30.9°F (-0.6°C). February brings a marginal elevation to a still freezing cold 30.9°F (-0.6°C) from January's 27.1°F (-2.7°C) in Dawson's average high-temperatures. Weather in February »
Weather in March
March, the first month of the spring in Dawson, is a frosty month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 46.4°F (8°C). March marks a distinct rise in the average high-temperature, ascending from February's subzero cold 30.9°F (-0.6°C) to a frosty 46.4°F (8°C). Weather in March »
Weather in April
April in Dawson, Iowa, is a moderate spring month, with temperature in the range of an average high of 58.8°F (14.9°C) and an average low of 42.1°F (5.6°C). Observing a rise in April, the average high-temperature goes from March's frosty 46.4°F (8°C) to a moderate 58.8°F (14.9°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Dawson, Iowa, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 69.6°F (20.9°C). May's arrival brings a change in high-temperatures, moving from a mild 58.8°F (14.9°C) in April to a pleasant 69.6°F (20.9°C). Weather in May »
Weather in June
June, the first month of the summer in Dawson, is a moderately hot month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 79.3°F (26.3°C). The shift into June is characterized by a rise in the average high-temperature, transitioning from May's agreeable 69.6°F (20.9°C) to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Dawson, Iowa, with an average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C). Dawson's warmest temperatures are experienced in July, with average high temperatures of 82°F (27.8°C) and lows of 64.9°F (18.3°C). For most parts of July, the heat index is calculated to be a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Dawson, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 80.4°F (26.9°C). The initiation of August sees an average high-temperature of a still warm 80.4°F (26.9°C), showing minor variations from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Dawson, is also a moderately hot month, with an average temperature ranging between max 75.4°F (24.1°C) and min 55.9°F (13.3°C). The advent of September brings an average high-temperature of a still moderately hot 75.4°F (24.1°C), exhibiting minor difference from the previous month. Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Dawson, Iowa, with an average temperature ranging between max 60.4°F (15.8°C) and min 44.2°F (6.8°C). Dawson's weather undergoes a significant change with the arrival of October, as the average high-temperature drops from a warm 75.4°F (24.1°C) in September to a mild 60.4°F (15.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Dawson, is another chilly month, with an average temperature fluctuating between 32.7°F (0.4°C) and 46.6°F (8.1°C). The transition into November involves a decrease in the average high-temperature, falling from a refreshing 60.4°F (15.8°C) in October to a frosty 46.6°F (8.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Dawson, Iowa, with an average temperature varying between 21.4°F (-5.9°C) and 32.9°F (0.5°C). Dawson experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 46.6°F (8.1°C) in November to a wintry 32.9°F (0.5°C). Weather in December »
Updated: Aug 21, 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 are the coldest months?
In Dawson, January is the coldest month, with temperatures averaging a high of 27.1°F (-2.7°C) and a low of 14°F (-10°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 83%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.91" (23mm) of precipitation.
How much does it rain?
Throughout the year, there are 131.7 rainfall days, and 26.65" (677mm) of precipitation is accumulated.
When does it snow?
Months with snowfall in Dawson are January through May, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 10.8 days and typically aggregates up to 3.74" (95mm) of snow.
How many days does it snow?
In Dawson, during the entire year, snow falls for 37.2 days and aggregates up to 13.35" (339mm) of snow.
What is the month with the least sunshine?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Dawson?
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 wettest month?
The month with the most rainfall in Dawson is May, when the rain falls for 17.5 days and typically aggregates up to 4.17" (106mm) of precipitation.
When it does not snow?
In Dawson, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What month is the hottest?
Dawson's warmest temperatures are experienced in July, with average high temperatures of 82°F (27.8°C) and lows of 64.9°F (18.3°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 69%, 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
Dawson, IA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.1°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°F).
Average pressure
Dawson, 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:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30"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
Dawson, IA
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.5mph - Average wind speed in May:
8.9mph - 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:
9.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity
Dawson, IA
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Dawson, IA
- Average rainfall in January:
0.91" - Average rainfall in February:
0.98" - Average rainfall in March:
1.69" - Average rainfall in April:
2.72" - Average rainfall in May:
4.17" - Average rainfall in June:
3.9"
- Average rainfall in July:
2.2" - Average rainfall in August:
2.48" - Average rainfall in September:
2.95" - Average rainfall in October:
2.17" - Average rainfall in November:
1.22" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Dawson, IA
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Dawson, IA
- Average snowfall in January:
3.74" - Average snowfall in February:
3.66" - Average snowfall in March:
1.69" - Average snowfall in April:
0.43" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dawson, IA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
5.1 days - Average snowfall days in April:
1.2 days - Average snowfall days in May:
0.3 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:
0.7 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Dawson, 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 4min - 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 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - 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 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Dawson, IA
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
16 days - Average sunshine days in March:
16 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
14 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
18.9 days
The months with the most sunshine days are October, November and December (18.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index
Dawson, 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
Dawson, 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 29).
Average visibility
Dawson, 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).
Dawson, Iowa, USA
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