Climate and monthly weather forecastOllie, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Ollie, Iowa, is a freezing cold winter month, with an average temperature ranging between min 15.6°F (-9.1°C) and max 28.6°F (-1.9°C). In Ollie, January is the month with the lowest recorded average temperatures, measuring a high of 28.6°F (-1.9°C) and a low of 15.6°F (-9.1°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Ollie, Iowa, with an average temperature fluctuating between 32.5°F (0.3°C) and 19°F (-7.2°C). Upon the onset of February, Ollie witnesses an average high-temperature of a cold 32.5°F (0.3°C), showing a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Ollie, is a chilly month, with an average temperature varying between 47.1°F (8.4°C) and 32.4°F (0.2°C). Ollie's transition into March is marked by a distinct rise in the average high-temperature, advancing from an icy 32.5°F (0.3°C) in February to a frosty 47.1°F (8.4°C). Weather in March »Weather in April
April in Ollie, Iowa, is a mild spring month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 42.4°F (5.8°C). Ollie's April weather shows an increase in high-temperatures, moving from March's frosty 47.1°F (8.4°C) to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
May, the last month of the spring in Ollie, is a pleasant month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 70°F (21.1°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a mild 59.5°F (15.3°C) in April to a pleasant 70°F (21.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Ollie, Iowa, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.3°F (26.3°C). The beginning of June marks a shift in the average high-temperature, moving from May's pleasant 70°F (21.1°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 Ollie, Iowa, with an average temperature ranging between min 65.1°F (18.4°C) and max 82°F (27.8°C). In Ollie, the average temperatures in July are the highest, with a peak at 82°F (27.8°C) and a low of 65.1°F (18.4°C). The heat index value during July is estimated at a tropical 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Ollie, is also a moderately hot month, with an average temperature varying between 62.8°F (17.1°C) and 81.1°F (27.3°C). The shift into August finds Ollie at an average high-temperature of a still warm 81.1°F (27.3°C), closely comparable to July's conditions. Weather in August »Weather in September
September, the first month of the autumn in Ollie, is also a moderately hot month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 75.2°F (24°C). September is characterized by a mild reduction in the average high-temperature, from a moderately hot 81.1°F (27.3°C) in August to a still warm 75.2°F (24°C). Weather in September »Weather in October
October, like September, in Ollie, Iowa, is another refreshing autumn month, with an average temperature varying between 61.3°F (16.3°C) and 44.8°F (7.1°C). October suggests a modest reduction in the average high-temperature, shifting from a warm 75.2°F (24°C) in September to an enjoyable 61.3°F (16.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Ollie, Iowa, with an average temperature varying between 46.9°F (8.3°C) and 33.4°F (0.8°C). A shift in Ollie's weather is noticeable as October turns into November, with the average high temperature decreasing from a refreshing 61.3°F (16.3°C) to a frosty 46.9°F (8.3°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Ollie, Iowa, with an average temperature ranging between max 34.7°F (1.5°C) and min 23.4°F (-4.8°C). The decrease of average high-temperatures is mild in December, with a decline from a chilly 46.9°F (8.3°C) in November to a cold 34.7°F (1.5°C). Weather in December »Updated: Feb 12, 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
January proves to be the coldest month in Ollie, Iowa, recording an average maximum temperature of 28.6°F (-1.9°C) and a minimum temperature of 15.6°F (-9.1°C).
In Ollie, Iowa, during the entire year, the rain falls for 137.9 days and collects up to 27.76" (705mm) of precipitation.
January through May, October through December are months with snowfall in Ollie, Iowa.
January is the month with the most snowfall in Ollie, Iowa. Snow falls for 9.5 days and accumulates 4.06" (103mm) of snow.
In Ollie, Iowa, during the entire year, snow falls for 32.8 days and aggregates up to 12.56" (319mm) of snow.
With an average of 4.2h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index in Ollie are January, February, October through December, with an average maximum UV index of 2.
The month with the least rainfall in Ollie is February, when the rain falls for 4.9 days and typically collects 0.98" (25mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ollie, Iowa, 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.
The month with the most rainfall in Ollie, Iowa, is May, when the rain falls for 17.7 days and typically aggregates up to 4.17" (106mm) of precipitation.
June through September are months without snowfall in Ollie.
With an average of 15h and 6min of daylight, June has the longest days of the year in Ollie, Iowa.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
The month of July, characterized by an average high of 82°F (27.8°C) and a low of 65.1°F (18.4°C), is recognized as the warmest.
July is the most humid month in Ollie, Iowa, with an average relative humidity of 83%.
With an average of 10.3h of sunshine, July has the most sunshine of the year in Ollie, Iowa.
October is the least humid month, with an average relative humidity of 72%.
With an average of 9h and 18min of daylight, December has the shortest days of the year in Ollie, Iowa.
Average temperature
Ollie, IA
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure
Ollie, IA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.13"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:
29.89"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Ollie, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
10.5mph - 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:
7mph - Average wind speed in August:
6.9mph - Average wind speed in September:
8mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity
Ollie, IA
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Ollie, IA
- Average rainfall in January:
1.06" - Average rainfall in February:
0.98" - Average rainfall in March:
1.97" - Average rainfall in April:
2.87" - Average rainfall in May:
4.17" - Average rainfall in June:
4.02"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.76" - Average rainfall in October:
2.2" - Average rainfall in November:
1.54" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Ollie, IA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Ollie, IA
- Average snowfall in January:
4.06" - Average snowfall in February:
3.66" - Average snowfall in March:
1.34" - Average snowfall in April:
0.79" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Ollie, IA
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Ollie, IA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 12min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 36min
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
Ollie, IA
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Ollie, 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
Ollie, IA
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility
Ollie, IA
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
