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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 another subzero cold winter month in Arthur, Iowa, with an average temperature varying between 13.3°F (-10.4°C) and 25.5°F (-3.6°C). In Arthur, the month of January is known for its lowest average temperatures, reaching a high of 25.5°F (-3.6°C) and a low of 13.3°F (-10.4°C). Weather in January »
Weather in February
February, the last month of the winter in Arthur, is also a subzero cold month, with an average temperature ranging between max 29.5°F (-1.4°C) and min 16.7°F (-8.5°C). February brings an average high-temperature of a still freezing cold 29.5°F (-1.4°C), showing a slight difference from January's 25.5°F (-3.6°C). Weather in February »
Weather in March
March, the first month of the spring in Arthur, is a frosty month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 45.3°F (7.4°C). With the onset of March, Arthur experiences a noticeable temperature shift, with the average high-temperature advancing from a freezing cold 29.5°F (-1.4°C) in February to a frosty 45.3°F (7.4°C). Weather in March »
Weather in April
April in Arthur, Iowa, is a moderate spring month, with an average temperature fluctuating between 57.9°F (14.4°C) and 41.5°F (5.3°C). April witnesses an increase in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in March to a moderate 57.9°F (14.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Arthur, Iowa, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 69.4°F (20.8°C). Noticing a change, the average high-temperature during May moves from April's mild 57.9°F (14.4°C) to an agreeable 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Arthur, Iowa, with an average temperature ranging between max 78.6°F (25.9°C) and min 62.8°F (17.1°C). June's arrival is marked by an increase in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, like June, in Arthur, 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). Arthur's warmest temperatures are experienced in July, with average high temperatures of 81.9°F (27.7°C) and lows of 64.8°F (18.2°C). July's mean heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Arthur, is also a moderately hot month, with an average temperature fluctuating between 79.5°F (26.4°C) and 61.3°F (16.3°C). August's onset brings an average high-temperature of a still warm 79.5°F (26.4°C), showing a minute difference from July's 81.9°F (27.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Arthur, Iowa, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 55.8°F (13.2°C). September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 79.5°F (26.4°C) in August to a still warm 74.1°F (23.4°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Arthur, Iowa, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 43.5°F (6.4°C). Arthur experiences a noticeable temperature shift with the start of October, with average high-temperatures moving from a warm 74.1°F (23.4°C) in September to a mild 58.6°F (14.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Arthur, Iowa, with an average temperature ranging between min 31.8°F (-0.1°C) and max 45.1°F (7.3°C). The start of November signals a decrease in the average high-temperature, transitioning from a refreshing 58.6°F (14.8°C) in October to a frosty 45.1°F (7.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Arthur, Iowa, with temperature in the range of an average high of 30.2°F (-1°C) and an average low of 19.9°F (-6.7°C). December's onset brings a clear reduction in the average high-temperature, falling from a chilly 45.1°F (7.3°C) in November to a freezing cold 30.2°F (-1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Arthur?
With average temperatures fluctuating between a high of 25.5°F (-3.6°C) and a low of 13.3°F (-10.4°C), January stands out as the coldest month.
What is the most humid month in Arthur?
The most humid month is January, with an average relative humidity of 84%.
What is the driest month in Arthur?
The month with the least rainfall is January, when the rain falls for 2.3 days and typically collects 0.24" (6mm) of precipitation.
How many days does it rain in Arthur?
Throughout the year, in Arthur, there are 97 rainfall days, and 10.12" (257mm) of precipitation is accumulated.
When does it snow in Arthur?
Months with snowfall are January through April, October through December.
How many days does it snow in Arthur?
Throughout the year, there are 30.1 snowfall days, and 4.49" (114mm) of snow is accumulated.
What is the month with the least sunshine in Arthur?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Arthur?
The months with the lowest UV index are January and February, with an average maximum UV index of 1.
When does it snow the most in Arthur?
The month with the most snowfall in Arthur is February, when snow falls for 6.7 days and typically aggregates up to 1.26" (32mm) of snow.
When is Daylight Saving Time (DST) in Arthur?
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 are the least humid months in Arthur?
April and October, with an average relative humidity of 67%, are the least humid months in Arthur.
What is the rainiest month in Arthur?
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 1.57" (40mm) of precipitation.
When it does not snow in Arthur?
In Arthur, Iowa, snow does not fall in May through September.
When are the longest days in Arthur?
The month with the longest days in Arthur, Iowa, is June, with an average of 15h and 12min of daylight.
What are the months with the highest UV index in Arthur?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest in Arthur?
The average temperatures 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.
What month has the most sunshine in Arthur?
July has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the month with the shortest days in Arthur?
With an average of 9h and 6min of daylight, December has the shortest days of the year in Arthur.
Average temperature
Arthur, 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 (25.5°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 (13.3°F).
Average pressure
Arthur, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"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 (29.87"Hg).
Average wind speed
Arthur, IA
- Average wind speed in January:
11mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.9mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.7mph - Average wind speed in September:
8.8mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Arthur, IA
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall
Arthur, IA
- Average rainfall in January:
0.24" - Average rainfall in February:
0.31" - Average rainfall in March:
0.59" - Average rainfall in April:
0.98" - Average rainfall in May:
1.57" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.94" - Average rainfall in August:
1.1" - Average rainfall in September:
1.02" - Average rainfall in October:
0.94" - Average rainfall in November:
0.35" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days
Arthur, IA
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
8 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
12.5 days - Average rainfall days in September:
8.8 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
3.1 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall
Arthur, IA
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Arthur, IA
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0 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:
1.1 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
7.2 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Arthur, IA
- Average daylight in January:
9h and 3min - 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 0min - 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 6min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 0min - 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 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 3min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Arthur, IA
- Average sunshine days in January:
22.4 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
19.5 days - Average sunshine days in April:
16.4 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
14.5 days
- Average sunshine days in July:
16.9 days - Average sunshine days in August:
16 days - Average sunshine days in September:
19 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
23 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).
Average UV index
Arthur, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Arthur, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Arthur, 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).
Arthur, Iowa, USA
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