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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 Oelwein, Iowa, with temperature in the range of an average low of 11.3°F (-11.5°C) and an average high of 23.7°F (-4.6°C). January, known for its average high temperature of 23.7°F (-4.6°C) and an average low temperature of 11.3°F (-11.5°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Oelwein, Iowa, with an average temperature ranging between min 14.7°F (-9.6°C) and max 27.7°F (-2.4°C). As Oelwein transitions from January to February, the average high-temperatures adjust to a still subzero cold 27.7°F (-2.4°C), nearly the same as the previous 23.7°F (-4.6°C). Weather in February »
Weather in March
March, the first month of the spring in Oelwein, is a wintry month, with an average temperature varying between 42.4°F (5.8°C) and 28.6°F (-1.9°C). March's onset witnesses a marked shift in the average high-temperature, moving from a subzero cold 27.7°F (-2.4°C) in February to an icy 42.4°F (5.8°C). Weather in March »
Weather in April
April is a moderate spring month in Oelwein, Iowa, with an average temperature ranging between min 39.4°F (4.1°C) and max 55.8°F (13.2°C). As Oelwein enters April, the average high-temperature increases from the a wintry 42.4°F (5.8°C) of March to a mild 55.8°F (13.2°C). Weather in April »
Weather in May
May, the last month of the spring in Oelwein, is a comfortable month, with temperature in the range of an average high of 66.9°F (19.4°C) and an average low of 50.5°F (10.3°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a moderate 55.8°F (13.2°C) in April to an enjoyable 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Oelwein, Iowa, with an average temperature varying between 77°F (25°C) and 60.4°F (15.8°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from a comfortable 66.9°F (19.4°C) to a moderately hot 77°F (25°C). Weather in June »
Weather in July
July, like June, in Oelwein, Iowa, is another warm summer month, with an average temperature ranging between max 79.3°F (26.3°C) and min 63°F (17.2°C). Oelwein registers the highest average temperatures during the month of July, with peaks of 79.3°F (26.3°C) and lows of 63°F (17.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Oelwein, Iowa, with an average temperature fluctuating between 60.4°F (15.8°C) and 77.7°F (25.4°C). Oelwein's August average high-temperature settles at a still moderately hot 77.7°F (25.4°C), showing a near match with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Oelwein, is still a pleasant month, with an average temperature fluctuating between 72.5°F (22.5°C) and 53.2°F (11.8°C). Transitioning into September, Oelwein experiences an average high-temperature of an agreeable 72.5°F (22.5°C), marking a minor shift from the preceding month. Weather in September »
Weather in October
October, like September, is a moderate autumn month in Oelwein, Iowa, with an average temperature varying between 58.1°F (14.5°C) and 42.8°F (6°C). The start of October signals a considerable reduction in the average high-temperature, receding from an agreeable 72.5°F (22.5°C) in September to a moderate 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Oelwein, is also a frosty month, with an average temperature fluctuating between 43.5°F (6.4°C) and 30.7°F (-0.7°C). In Oelwein, the average high-temperature in November drops, from a mild 58.1°F (14.5°C) in October, to a frosty 43.5°F (6.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Oelwein, Iowa, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 20.1°F (-6.6°C). The shift to December brings a decrease in the average high-temperature, falling from a chilly 43.5°F (6.4°C) in November to a subzero cold 30.4°F (-0.9°C). Weather in December »
Updated: Jul 13, 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?
Oelwein's coldest month, January, registers temperatures that range from a high of 23.7°F (-4.6°C) to a low of 11.3°F (-11.5°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month?
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.94" (24mm) of precipitation.
How much does it rain?
Throughout the year, there are 135.7 rainfall days, and 29.65" (753mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
In Oelwein, during the entire year, snow falls for 42.1 days and aggregates up to 18.39" (467mm) of snow.
What is the month with the least sunshine?
With an average of 3.6h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 10.5 days and accumulates 5.08" (129mm) of snow.
When is Daylight Saving Time (DST) in Oelwein?
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 Oelwein is June, when the rain falls for 19.4 days and typically aggregates up to 5" (127mm) of precipitation.
When it does not snow?
In Oelwein, Iowa, 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 18min of daylight.
What is the month with the highest UV index?
The month with the highest UV index in Oelwein is June, with an average maximum UV index of 6.
What month is the hottest?
In Oelwein, July is known for its average highest temperatures, reaching a high of 79.3°F (26.3°C) and a low of 63°F (17.2°C).
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 9.8h of sunshine.
What is the least humid month?
With an average relative humidity of 73%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Oelwein, IA
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.7°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure
Oelwein, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Oelwein, 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:
10.9mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Oelwein, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Oelwein, IA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.14" - Average rainfall in March:
1.73" - Average rainfall in April:
3.23" - Average rainfall in May:
4.41" - Average rainfall in June:
5"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.28" - Average rainfall in September:
2.4" - Average rainfall in October:
2.56" - Average rainfall in November:
1.46" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is June (5").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Oelwein, IA
- Average rainfall days in January:
3.5 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
10 days - Average rainfall days in April:
15 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
19.4 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
7 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is January (3.5 days).
Average snowfall
Oelwein, IA
- Average snowfall in January:
4.25" - Average snowfall in February:
5.08" - Average snowfall in March:
2.36" - Average snowfall in April:
1.65" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Oelwein, IA
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
2.3 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:
3.8 days - Average snowfall days in December:
8.7 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Oelwein, 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 2min
- 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 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Oelwein, IA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
7.8 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (7.8 days).
Average UV index
Oelwein, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Oelwein, IA
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Oelwein, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Oelwein, Iowa, USA
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