Climate and monthly weather forecastIsabella, OK
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Isabella, Oklahoma, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 47.3°F (8.5°C). Isabella's January weather reaches an average high of 47.3°F (8.5°C) and an average low of 30.6°F (-0.8°C), making it the coldest month. Weather in January »Weather in February
February, the last month of the winter in Isabella, is a cool month, with an average temperature ranging between max 50.5°F (10.3°C) and min 33.3°F (0.7°C). The commencement of February records an average high-temperature of a cool 50.5°F (10.3°C), barely varying from January's 47.3°F (8.5°C). Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Isabella, Oklahoma, with an average temperature varying between 61.5°F (16.4°C) and 42.4°F (5.8°C). In Isabella, the average high-temperature in March increases from a cool 50.5°F (10.3°C) in February to a comfortable 61.5°F (16.4°C). Weather in March »Weather in April
April is an agreeable spring month in Isabella, Oklahoma, with an average temperature varying between 69.4°F (20.8°C) and 49.3°F (9.6°C). Isabella in April observes a minor temperature shift, with average high-temperatures adjusting from an enjoyable 61.5°F (16.4°C) in March to an agreeable 69.4°F (20.8°C). Weather in April »Weather in May
May, the last month of the spring in Isabella, is a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 59.7°F (15.4°C). Isabella sees an increase in average high-temperatures during May, moving from an agreeable 69.4°F (20.8°C) in April to a warm 78.8°F (26°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Isabella, Oklahoma, with temperature in the range of an average low of 71.4°F (21.9°C) and an average high of 91.4°F (33°C). A shift in the average high-temperature is noticeable in June, changing from a warm 78.8°F (26°C) in May to a tropical 91.4°F (33°C). Weather in June »Weather in July
July is a fiery hot summer month in Isabella, Oklahoma, with an average temperature ranging between min 75°F (23.9°C) and max 95°F (35°C). In Isabella, the peak average temperatures are observed in July, with a high of 95°F (35°C) and a low of 75°F (23.9°C). The heat index value during July is computed to be a scorching 107.6°F (42°C). Weather in July »Weather in August
August, the last month of the summer in Isabella, is also a hot month, with an average temperature varying between 73°F (22.8°C) and 93°F (33.9°C). Shifting into August, Isabella records an average high-temperature of a tropical 93°F (33.9°C), presenting minor fluctuations compared to the previous month. Weather in August »Weather in September
September, the first month of the autumn in Isabella, is also a moderately hot month, with an average temperature varying between 84.6°F (29.2°C) and 66.7°F (19.3°C). The advent of September brings a subtle shift in temperature, with the average high moving from a hot 93°F (33.9°C) in August to a moderately hot 84.6°F (29.2°C). Weather in September »Weather in October
October, the same as September, in Isabella, Oklahoma, is an agreeable autumn month, with an average temperature varying between 70.3°F (21.3°C) and 53.1°F (11.7°C). The onset of October coincides with a reduction in the average high-temperature, falling from a warm 84.6°F (29.2°C) in September to an agreeable 70.3°F (21.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Isabella, Oklahoma, with an average temperature varying between 58.6°F (14.8°C) and 41.2°F (5.1°C). Welcoming November, Isabella observes a shift in the average high-temperature, falling from October's pleasant 70.3°F (21.3°C) to a mild 58.6°F (14.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Isabella, Oklahoma, with an average temperature fluctuating between 48°F (8.9°C) and 32.5°F (0.3°C). With the onset of December, Isabella's average high-temperature adjusts, receding from November's moderate 58.6°F (14.8°C) to a chilly 48°F (8.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Isabella, OK
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.3°F).
The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure
Isabella, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"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 (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Isabella, OK
- Average wind speed in January:
10.7mph - Average wind speed in February:
11mph - Average wind speed in March:
11.9mph - Average wind speed in April:
12.4mph - Average wind speed in May:
11.1mph - Average wind speed in June:
11.3mph
- Average wind speed in July:
9.4mph - Average wind speed in August:
9mph - Average wind speed in September:
9.8mph - Average wind speed in October:
10.6mph - Average wind speed in November:
11.2mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity
Isabella, OK
The month with the highest relative humidity is May (66%).
The months with the lowest relative humidity are July and August (54%).
Average rainfall
Isabella, OK
- Average rainfall in January:
0.59" - Average rainfall in February:
0.59" - Average rainfall in March:
0.87" - Average rainfall in April:
2.05" - Average rainfall in May:
3.03" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.69" - Average rainfall in September:
1.5" - Average rainfall in October:
1.93" - Average rainfall in November:
0.51" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days
Isabella, OK
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
10.1 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
12 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall
Isabella, OK
- Average snowfall in January:
1.06" - Average snowfall in February:
1.06" - Average snowfall in March:
0.59" - Average snowfall in April:
0.16" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Isabella, OK
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Isabella, OK
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
7h and 42min - Average sunshine in March:
7h and 42min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 48min - Average sunshine in June:
11h and 12min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
10h and 54min - Average sunshine in September:
8h and 54min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days
Isabella, OK
- Average sunshine days in January:
26.2 days - Average sunshine days in February:
21 days - Average sunshine days in March:
20.8 days - Average sunshine days in April:
16.4 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
18.6 days - Average sunshine days in August:
17 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
24.3 days - Average sunshine days in December:
25 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index
Isabella, 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
Isabella, OK
The months with the most cloud cover are March and April (Cloud cover 33).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility
Isabella, 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).





