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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 Grainola, Oklahoma, is a frosty winter month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 45°F (7.2°C). January, on average, is the coldest month, registering a high temperature of 45°F (7.2°C) and a low of 28.9°F (-1.7°C). Weather in January »
Weather in February
February, the last month of the winter in Grainola, is also a frosty month, with an average temperature varying between 48.4°F (9.1°C) and 31.8°F (-0.1°C). The average high-temperature for February is a still chilly 48.4°F (9.1°C), closely aligning with the temperature of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Grainola, Oklahoma, with an average temperature varying between 59.9°F (15.5°C) and 41.7°F (5.4°C). The beginning of March marks a shift in the average high-temperature, moving from February's frosty 48.4°F (9.1°C) to a mild 59.9°F (15.5°C). Weather in March »
Weather in April
April is an agreeable spring month in Grainola, Oklahoma, with temperature in the range of an average high of 68°F (20°C) and an average low of 49.1°F (9.5°C). As Grainola, Oklahoma, transitions into April, a marginal rise in the average high-temperature is observed, moving from a refreshing 59.9°F (15.5°C) in March to an agreeable 68°F (20°C). Weather in April »
Weather in May
May, the last month of the spring in Grainola, is a moderately hot month, with an average temperature ranging between max 75.6°F (24.2°C) and min 57.9°F (14.4°C). The embrace of May brings a minor uplift in the average high-temperature, shifting from a pleasant 68°F (20°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Grainola, Oklahoma, with an average temperature fluctuating between 68.5°F (20.3°C) and 86.9°F (30.5°C). As June begins, there is an increase in the average high-temperature, moving from a warm 75.6°F (24.2°C) in May to a hot 86.9°F (30.5°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Grainola, Oklahoma, with temperature in the range of an average low of 71.8°F (22.1°C) and an average high of 92.1°F (33.4°C). July, recording an average high temperature of 92.1°F (33.4°C) and a low temperature of 71.8°F (22.1°C), is Grainola's warmest month. Throughout July, the heat index is estimated at an extremely hot 109.4°F (43°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Grainola, Oklahoma, with an average temperature ranging between min 69.6°F (20.9°C) and max 90.3°F (32.4°C). Transitioning from July to August, Grainola observes an average high-temperature of a still tropical 90.3°F (32.4°C), differing subtly from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Grainola, Oklahoma, with an average temperature ranging between min 63.7°F (17.6°C) and max 82.8°F (28.2°C). Grainola's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's hot 90.3°F (32.4°C) to a warm 82.8°F (28.2°C). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Grainola, Oklahoma, with an average temperature fluctuating between 69.3°F (20.7°C) and 51.8°F (11°C). Stepping into October, Grainola observes a temperature decline, with the average high falling from September's moderately hot 82.8°F (28.2°C) to a pleasant 69.3°F (20.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderate month in Grainola, Oklahoma, with an average temperature varying between 57.7°F (14.3°C) and 40.6°F (4.8°C). The onset of November results in a decrease in the average high-temperature, receding from a pleasant 69.3°F (20.7°C) in October to a moderate 57.7°F (14.3°C). Weather in November »
Weather in December
December, the first month of the winter in Grainola, is also a frosty month, with an average temperature ranging between min 31.6°F (-0.2°C) and max 46.8°F (8.2°C). A subtle decrease in the average high-temperature marks December, falling from November's mild 57.7°F (14.3°C) to a chilly 46.8°F (8.2°C). Weather in December »
Updated: Jun 17, 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 month?
January, noted for its average high-temperature of 45°F (7.2°C) and an average low-temperature of 28.9°F (-1.7°C), is considered the coldest month.
How much does it rain?
In Grainola, during the entire year, the rain falls for 97.1 days and collects up to 10.87" (276mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
When does it snow the most?
The months with the most snowfall are January through March, with an average 0.2" (5mm) of accumulated snow.
How much does it snow?
Throughout the year, there are 5.8 snowfall days, and 0.71" (18mm) of snow is accumulated.
What are the months with the least sunshine?
The months with the least sunshine are January and December, with an average of 6.1h of sunshine.
What is the month with the lowest UV index?
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
When it does not snow?
In Grainola, snow does not fall in April through October.
What is the most humid month?
May is the most humid month, with an average relative humidity of 77%.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 12.3 days and accumulates 2.17" (55mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 14h and 42min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 7, are months with the highest UV index.
What part of the year is the hottest?
In Grainola, July registers the highest temperatures, averaging 92.1°F (33.4°C) at the peak and 71.8°F (22.1°C) at the lowest.
What month has the most sunshine?
With an average of 11.2h of sunshine, August has the most sunshine of the year.
What is the least humid month in Grainola?
The least humid month is October, with an average relative humidity of 65%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 3.6 days and accumulates 0.24" (6mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
Average temperature
Grainola, OK
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (45°F).
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure
Grainola, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.93"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 (29.87"Hg).
Average wind speed
Grainola, OK
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.5mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.5mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.6mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.5mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity
Grainola, OK
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (65%).
Average rainfall
Grainola, OK
- Average rainfall in January:
0.39" - Average rainfall in February:
0.39" - Average rainfall in March:
0.59" - Average rainfall in April:
1.18" - Average rainfall in May:
2.17" - Average rainfall in June:
0.91"
- Average rainfall in July:
1.06" - Average rainfall in August:
1.46" - Average rainfall in September:
0.98" - Average rainfall in October:
1.14" - Average rainfall in November:
0.35" - Average rainfall in December:
0.24"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days
Grainola, OK
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
5 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
9.4 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
3.6 days
The month with the highest number of rainy days is May (12.3 days).
The months with the least rainy days are January and December (3.6 days).
Average snowfall
Grainola, OK
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Grainola, OK
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
0.5 days - Average snowfall days in April:
0 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:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Grainola, OK
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 5min - Average sunshine in March:
7h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 1min - Average sunshine in December:
6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days
Grainola, OK
- Average sunshine days in January:
26.2 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
21 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
17.8 days
- Average sunshine days in July:
16.9 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
21 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
25.4 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is May (15.8 days).
Average UV index
Grainola, OK
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Grainola, OK
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Grainola, 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).
Grainola, Oklahoma, USA
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