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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 Athelstan, Iowa, is another subzero cold winter month, with an average temperature varying between 17.1°F (-8.3°C) and 30.7°F (-0.7°C). January is the coldest month, with the temperature often reaching an average high of 30.7°F (-0.7°C) and an average low of 17.1°F (-8.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Athelstan, Iowa, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 20.3°F (-6.5°C). Athelstan registers an average high-temperature of a wintry 34.7°F (1.5°C) with the arrival of February, showing minor deviation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Athelstan, is a frosty month, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 33.4°F (0.8°C). March's arrival signals a distinct temperature shift, escalating from a cold 34.7°F (1.5°C) in February to a frosty 49.3°F (9.6°C). Weather in March »
Weather in April
April in Athelstan, Iowa, is a comfortable spring month, with an average temperature varying between 42.6°F (5.9°C) and 60.8°F (16°C). April's arrival signals a temperature shift, moving from a frosty 49.3°F (9.6°C) in March to a refreshing 60.8°F (16°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Athelstan, Iowa, with an average temperature ranging between min 53.6°F (12°C) and max 70.3°F (21.3°C). As Athelstan transitions into May, a rise in the average high-temperature is observed, moving from a comfortable 60.8°F (16°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »
Weather in June
June, the first month of the summer in Athelstan, is a warm month, with an average temperature varying between 63.9°F (17.7°C) and 80.6°F (27°C). An increase in the average high-temperature marks June, moving from May's agreeable 70.3°F (21.3°C) to a moderately hot 80.6°F (27°C). Weather in June »
Weather in July
July, like June, in Athelstan, Iowa, is a moderately hot summer month, with an average temperature fluctuating between 66°F (18.9°C) and 83.8°F (28.8°C). July is the month that records the highest temperatures, with averages ranging from a high of 83.8°F (28.8°C) to a low of 66°F (18.9°C). The heat index value during July is estimated at a hot 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Athelstan, is another warm month, with an average temperature fluctuating between 82°F (27.8°C) and 63.5°F (17.5°C). As August unfolds, the average high-temperature reaches a still moderately hot 82°F (27.8°C), hinting at a slight fluctuation from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Athelstan, is also a moderately hot month, with an average temperature varying between 76.1°F (24.5°C) and 56.5°F (13.6°C). September witnesses a gentle descent in average high-temperature, descending from August's 82°F (27.8°C) to a still moderately hot 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Athelstan, Iowa, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 45°F (7.2°C). The arrival of October signals a clear decrease in the average high-temperature, falling from a moderately hot 76.1°F (24.5°C) in September to a comfortable 61.5°F (16.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Athelstan, is another chilly month, with an average temperature fluctuating between 33.3°F (0.7°C) and 48.6°F (9.2°C). Welcoming November, Athelstan observes a shift in the average high-temperature, falling from October's refreshing 61.5°F (16.4°C) to a frosty 48.6°F (9.2°C). Weather in November »
Weather in December
December, the first month of the winter in Athelstan, is also an icy month, with an average temperature fluctuating between 35.2°F (1.8°C) and 22.8°F (-5.1°C). With December's arrival, Athelstan's weather changes as the average high-temperature falls from a chilly 48.6°F (9.2°C) in November to an icy 35.2°F (1.8°C). Weather in December »
Updated: Jun 9, 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 month is the coldest in Athelstan?
Athelstan's temperature records reveal January as the coldest month, marked by average highs of 30.7°F (-0.7°C) and lows of 17.1°F (-8.3°C).
How much does it rain?
In Athelstan, during the entire year, the rain falls for 123.8 days and collects up to 21.93" (557mm) of precipitation.
When does it snow?
Months with snowfall in Athelstan are January through May, October through December.
When does it snow the most?
The month with the most snowfall in Athelstan is January, when snow falls for 8.3 days and typically aggregates up to 3.15" (80mm) of snow.
How many days does it snow?
In Athelstan, during the entire year, snow falls for 28.8 days and aggregates up to 10.51" (267mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.6h of sunshine.
When is the lowest UV index?
With an average maximum UV index of 1, January is the month with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 4.2 days and accumulates 0.63" (16mm) of precipitation.
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 most humid month?
The most humid month is June, with an average relative humidity of 81%.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.78" (96mm) of precipitation.
When it does not snow?
In Athelstan, snow does not fall in June through September.
When are the longest days in Athelstan?
June has the longest days of the year, with an average of 15h and 0min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
With its average high temperature of 83.8°F (28.8°C) and a low of 66°F (18.9°C), July is regarded as the warmest month.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Athelstan, IA
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Athelstan, IA
- Average pressure in January:
30.17"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:
29.95"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 (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Athelstan, IA
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity
Athelstan, IA
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Athelstan, IA
- Average rainfall in January:
0.67" - Average rainfall in February:
0.63" - Average rainfall in March:
1.42" - Average rainfall in April:
1.73" - Average rainfall in May:
3.7" - Average rainfall in June:
3.78"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.44" - Average rainfall in September:
1.85" - Average rainfall in October:
1.61" - Average rainfall in November:
0.98" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days
Athelstan, IA
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
6 days - Average rainfall days in December:
4.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall
Athelstan, IA
- Average snowfall in January:
3.15" - Average snowfall in February:
2.28" - Average snowfall in March:
1.38" - Average snowfall in April:
1.18" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Athelstan, IA
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
4 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:
1.6 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Athelstan, 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 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Athelstan, IA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (11.1 days).
Average UV index
Athelstan, 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
Athelstan, IA
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and September (Cloud cover 28).
Average visibility
Athelstan, 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).
Athelstan, Iowa, USA
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