Climate and monthly weather forecastIona, OK
Climate and monthly weather forecast
Weather in January
January, like December, in Iona, Oklahoma, is another fresh winter month, with an average temperature ranging between max 50.2°F (10.1°C) and min 33.4°F (0.8°C). January, with its high-temperature average of 50.2°F (10.1°C) and a low-temperature average of 33.4°F (0.8°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a fresh month in Iona, Oklahoma, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 37°F (2.8°C). January's transformation into February witnesses an average high-temperature of a still cool 53.2°F (11.8°C), noting a minor change from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Iona, Oklahoma, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 46°F (7.8°C). As March begins, there is an increase in the average high-temperature, moving from a cool 53.2°F (11.8°C) in February to a refreshing 63.3°F (17.4°C). Weather in March »Weather in April
April is a pleasant spring month in Iona, Oklahoma, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 71.1°F (21.7°C). The shift from March to April is marked by a slight increase in the average high-temperature, moving from a comfortable 63.3°F (17.4°C) to an agreeable 71.1°F (21.7°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Iona, Oklahoma, with an average temperature varying between 60.3°F (15.7°C) and 77.5°F (25.3°C). A soft shift in the average high-temperature is noticeable in May, transitioning from a pleasant 71.1°F (21.7°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
June, the first month of the summer in Iona, is a hot month, with an average temperature fluctuating between 69.8°F (21°C) and 87.1°F (30.6°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a moderately hot 77.5°F (25.3°C) in May to a hot 87.1°F (30.6°C). Weather in June »Weather in July
July, the same as June, in Iona, Oklahoma, is a hot summer month, with temperature in the range of an average high of 92.1°F (33.4°C) and an average low of 72.7°F (22.6°C). The transition from June to July brings an average high-temperature of a still tropical 92.1°F (33.4°C), barely different from June's 87.1°F (30.6°C). Weather in July »Weather in August
August, the last month of the summer in Iona, is another hot month, with an average temperature fluctuating between 72.1°F (22.3°C) and 93.4°F (34.1°C). With an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 72.1°F (22.3°C), August is the warmest month. In August, the heat index is appraised at a blisteringly hot 109.4°F (43°C). Weather in August »Weather in September
September, the first month of the autumn in Iona, is still a warm month, with an average temperature varying between 66°F (18.9°C) and 84.6°F (29.2°C). The arrival of September suggests a slight decrease in the average high-temperature, moving from a hot 93.4°F (34.1°C) in August to a warm 84.6°F (29.2°C). Weather in September »Weather in October
October, the same as September, in Iona, Oklahoma, is another pleasant autumn month, with an average temperature fluctuating between 54.1°F (12.3°C) and 72.3°F (22.4°C). Onset of October witnesses a reduction in the average high-temperature, falling from a moderately hot 84.6°F (29.2°C) in September to an agreeable 72.3°F (22.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Iona, Oklahoma, with an average temperature ranging between min 43.7°F (6.5°C) and max 60.6°F (15.9°C). Setting in of November comes with a decrease in the average high-temperature, moving from an agreeable 72.3°F (22.4°C) in October to a moderate 60.6°F (15.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Iona, Oklahoma, with an average temperature varying between 50.5°F (10.3°C) and 36.3°F (2.4°C). The arrival of December indicates a decrease in the average high-temperature, moving from a refreshing 60.6°F (15.9°C) in November to a fresh 50.5°F (10.3°C). Weather in December »Updated: Aug 25, 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
Iona experiences its lowest temperatures in January, with an average peak of 50.2°F (10.1°C) and a low of 33.4°F (0.8°C).
January is the month with the least rainfall. Rain falls for 6.3 days and accumulates 1.34" (34mm) of precipitation.
Throughout the year, there are 129 rainfall days, and 27.91" (709mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
In Iona, during the entire year, snow falls for 5.3 days and aggregates up to 2.6" (66mm) of snow.
The month with the most snowfall is February, when snow falls for 2 days and typically aggregates up to 1.3" (33mm) of snow.
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.
The most humid month is May, with an average relative humidity of 78%.
May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 4.37" (111mm) of precipitation.
In Iona, snow does not fall in May through October.
The month with the longest days is June, with an average of 14h and 24min of daylight.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
The month with the most sunshine is July, with an average of 10.9h of sunshine.
August is the warmest month, exhibiting average temperatures of 93.4°F (34.1°C) at the peak and 72.1°F (22.3°C) at the base.
With an average relative humidity of 61%, August is the least humid month in Iona.
With an average of 9h and 54min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 5.5h of sunshine.
With an average maximum UV index of 2, December is the month with the lowest UV index.
Average temperature
Iona, OK
The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure
Iona, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"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 (29.89"Hg).
Average wind speed
Iona, OK
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.7mph - Average wind speed in March:
11.1mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
7.8mph - Average wind speed in September:
7.7mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity
Iona, OK
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).
Average rainfall
Iona, OK
- Average rainfall in January:
1.34" - Average rainfall in February:
1.42" - Average rainfall in March:
2.09" - Average rainfall in April:
2.83" - Average rainfall in May:
4.37" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.13" - Average rainfall in September:
2.83" - Average rainfall in October:
3.19" - Average rainfall in November:
1.46" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days
Iona, OK
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
11 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
7.4 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Iona, OK
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Iona, OK
- Average snowfall days in January:
1 days - Average snowfall days in February:
2 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0.1 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:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Iona, OK
- Average daylight in January:
10h and 6min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 48min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 30min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Iona, OK
- Average sunshine days in January:
22.9 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
16 days - Average sunshine days in April:
16.2 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
16.7 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
21 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).
Average UV index
Iona, OK
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Iona, OK
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility
Iona, OK
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).
