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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 Oakville, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 28.9°F (-1.7°C). With average high temperatures of 28.9°F (-1.7°C) and lows of 16.7°F (-8.5°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Oakville, is an icy month, with an average temperature fluctuating between 34°F (1.1°C) and 20.7°F (-6.3°C). Oakville measures an average high-temperature of a cold 34°F (1.1°C) in February, nearly consistent with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Oakville, is a frosty month, with an average temperature varying between 32.7°F (0.4°C) and 47.8°F (8.8°C). With the onset of March, Oakville's weather sees a temperature rise, transitioning from an icy 34°F (1.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April in Oakville, Iowa, is a mild spring month, with an average temperature ranging between max 60.1°F (15.6°C) and min 43.2°F (6.2°C). The arrival of April brings an increase in high-temperatures, moving from a frosty 47.8°F (8.8°C) in March to a refreshing 60.1°F (15.6°C). Weather in April »
Weather in May
May, the last month of the spring in Oakville, is an agreeable month, with an average temperature fluctuating between 53.8°F (12.1°C) and 70.7°F (21.5°C). May brings a temperature change, with average high-temperatures moving from April's refreshing 60.1°F (15.6°C) to a pleasant 70.7°F (21.5°C). Weather in May »
Weather in June
June, the first month of the summer in Oakville, is a moderately hot month, with an average temperature varying between 63.3°F (17.4°C) and 79.5°F (26.4°C). Oakville in June experiences a slight uptick in the average high-temperature, adjusting from May's agreeable 70.7°F (21.5°C) to a moderately hot 79.5°F (26.4°C). Weather in June »
Weather in July
July, like June, in Oakville, Iowa, is another warm summer month, with an average temperature fluctuating between 64.9°F (18.3°C) and 82°F (27.8°C). Temperature readings reach their annual highs in July, averaging 82°F (27.8°C) and a minimum average of 64.9°F (18.3°C). The heat index in July is evaluated at a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Oakville, Iowa, with an average temperature fluctuating between 63.3°F (17.4°C) and 81.1°F (27.3°C). Oakville experiences an average high-temperature of a still moderately hot 81.1°F (27.3°C) in August, subtly different from July's 82°F (27.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Oakville, is also a moderately hot month, with an average temperature varying between 56.3°F (13.5°C) and 76.1°F (24.5°C). The shift to September signals an average high-temperature of a still moderately hot 76.1°F (24.5°C), subtly varied from August's 81.1°F (27.3°C). Weather in September »
Weather in October
October, like September, in Oakville, Iowa, is another comfortable autumn month, with an average temperature ranging between min 45.9°F (7.7°C) and max 61.9°F (16.6°C). With October's onset, the average high-temperature recedes from September's moderately hot 76.1°F (24.5°C) to a refreshing 61.9°F (16.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Oakville, Iowa, with an average temperature varying between 34°F (1.1°C) and 47.5°F (8.6°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's comfortable 61.9°F (16.6°C) to a frosty 47.5°F (8.6°C). Weather in November »
Weather in December
December, the first month of the winter in Oakville, is also a wintry month, with an average temperature varying between 35.4°F (1.9°C) and 24.6°F (-4.1°C). December comes with a decrease in the average high-temperature, falling from a frosty 47.5°F (8.6°C) in November to a wintry 35.4°F (1.9°C). Weather in December »
Updated: Aug 27, 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 is the coldest time of year?
January is the coldest month of the year, registering average temperatures as high as 28.9°F (-1.7°C) and as low as 16.7°F (-8.5°C).
How many days does it rain in Oakville?
Throughout the year, there are 146.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.49" (114mm) of snow.
How many days does it snow?
Throughout the year, there are 34.1 snowfall days, and 14.69" (373mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.3h of sunshine.
When is the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 1.
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 wettest month?
The month with the most rainfall is May, when the rain falls for 18.8 days and typically aggregates up to 4.65" (118mm) of precipitation.
When it does not snow?
In Oakville, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
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?
July, on average, is the warmest month in Oakville, registering a high temperature of 82°F (27.8°C) and a low of 64.9°F (18.3°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 83%.
What month has the most sunshine?
With an average of 10.3h of sunshine, July has the most sunshine of the year.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 7.7 days and accumulates 1.42" (36mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Oakville, IA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°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 (16.7°F).
Average pressure
Oakville, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"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 (29.9"Hg).
Average wind speed
Oakville, IA
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Oakville, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Oakville, IA
- Average rainfall in January:
1.46" - Average rainfall in February:
1.46" - Average rainfall in March:
2.05" - Average rainfall in April:
3.23" - Average rainfall in May:
4.65" - Average rainfall in June:
4.17"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.13" - Average rainfall in September:
2.44" - Average rainfall in October:
2.4" - Average rainfall in November:
1.85" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").
Average rainfall days
Oakville, IA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Oakville, IA
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Oakville, IA
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.9 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:
0.4 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
7.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Oakville, 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 2min
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 18min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
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 18min).
Average sunshine days
Oakville, IA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index
Oakville, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Oakville, IA
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Oakville, 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).
Oakville, Iowa, USA
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