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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 Grainville, Oklahoma, is a frosty winter month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 45.5°F (7.5°C). With average temperatures fluctuating between a high of 45.5°F (7.5°C) and a low of 28.8°F (-1.8°C), January stands out as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Grainville, Oklahoma, with an average temperature fluctuating between 48.7°F (9.3°C) and 31.5°F (-0.3°C). Grainville transitions into February recording an average high-temperature of a still chilly 48.7°F (9.3°C), closely aligning with the preceding month's temperature. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Grainville, Oklahoma, with an average temperature fluctuating between 41.5°F (5.3°C) and 60.1°F (15.6°C). With the onset of March, Grainville sees a temperature rise, with the average high-temperature moving from February's frosty 48.7°F (9.3°C) to a mild 60.1°F (15.6°C). Weather in March »
Weather in April
April in Grainville, Oklahoma, is a comfortable spring month, with an average temperature fluctuating between 48.9°F (9.4°C) and 67.8°F (19.9°C). Grainville's April weather indicates a minor ascent in high-temperatures, adjusting from a moderate 60.1°F (15.6°C) in March to an enjoyable 67.8°F (19.9°C). Weather in April »
Weather in May
May, the last month of the spring in Grainville, is a warm month, with an average temperature varying between 58.6°F (14.8°C) and 76.8°F (24.9°C). May brings a rise in the average high-temperature, transitioning from April's enjoyable 67.8°F (19.9°C) to a moderately hot 76.8°F (24.9°C). Weather in May »
Weather in June
June, the first month of the summer in Grainville, is a hot month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 89.2°F (31.8°C). With the onset of June, Grainville sees a temperature rise, with the average high-temperature moving from May's warm 76.8°F (24.9°C) to a hot 89.2°F (31.8°C). Weather in June »
Weather in July
July, like June, is a hot summer month in Grainville, Oklahoma, with an average temperature fluctuating between 93.7°F (34.3°C) and 73°F (22.8°C). With its high average temperature of 93.7°F (34.3°C) and a low of 73°F (22.8°C), July is regarded as the warmest month. The heat index in July is estimated at an extremely hot 109.4°F (43°C). Weather in July »
Weather in August
August, the last month of the summer in Grainville, is another tropical month, with temperature in the range of an average low of 71.1°F (21.7°C) and an average high of 91.6°F (33.1°C). August's commencement is accompanied by an average high-temperature of a still tropical 91.6°F (33.1°C), diverging marginally from July's 93.7°F (34.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Grainville, Oklahoma, with an average temperature fluctuating between 64.4°F (18°C) and 83.5°F (28.6°C). Grainville's progression into September involves a minor drop in the average high-temperature, slightly receding from a hot 91.6°F (33.1°C) in August to a moderately hot 83.5°F (28.6°C). Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Grainville, Oklahoma, with an average temperature varying between 69.8°F (21°C) and 51.8°F (11°C). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from a moderately hot 83.5°F (28.6°C) to a pleasant 69.8°F (21°C). Weather in October »
Weather in November
The last month of the autumn, November, is another mild month in Grainville, Oklahoma, with an average temperature ranging between max 57.7°F (14.3°C) and min 40.3°F (4.6°C). During Grainville's transition into November, the average high-temperature lessens, moving from a pleasant 69.8°F (21°C) in October to a moderate 57.7°F (14.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Grainville, Oklahoma, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 30.7°F (-0.7°C). A decrease in the average high-temperature is observed during December, shifting from a mild 57.7°F (14.3°C) in November to a frosty 46.6°F (8.1°C). Weather in December »
Updated: Jun 4, 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?
The coldest temperatures occur during January, when averages reach a peak of 45.5°F (7.5°C) and a low of 28.8°F (-1.8°C).
How many days does it rain?
Throughout the year, there are 116.1 rainfall days, and 21.57" (548mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, October through December.
How many days does it snow?
In Grainville, during the entire year, snow falls for 7.6 days and aggregates up to 2.6" (66mm) of snow.
What is the month with the least sunshine?
The months with the least sunshine are January and December, with an average of 6.2h of sunshine.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 0.91" (23mm) of snow.
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 Grainville?
In Grainville, snow does not fall in April through September.
What is the most humid month?
The most humid month is May, with an average relative humidity of 74%.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 15 days and accumulates 4.09" (104mm) of precipitation.
When are the longest days?
The month with the longest days in Grainville is June, with an average of 14h and 36min 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 is the warmest month?
Grainville experiences its average highest temperatures in July, reaching a peak of 93.7°F (34.3°C) and a minimum of 73°F (22.8°C).
What is the least humid month?
With an average relative humidity of 61%, July is the least humid month.
What month has the most sunshine?
With an average of 11.3h of sunshine, August has the most sunshine of the year in Grainville, Oklahoma.
What is the driest month?
December is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.59" (15mm) of precipitation.
What is the month with the shortest days in Grainville?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
Average temperature
Grainville, OK
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Grainville, 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:
29.92"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 (29.87"Hg).
Average wind speed
Grainville, OK
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.4mph - Average wind speed in May:
9.9mph - Average wind speed in June:
10.1mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
8.3mph - Average wind speed in September:
8.9mph - Average wind speed in October:
9.9mph - 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 (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity
Grainville, OK
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall
Grainville, OK
- Average rainfall in January:
0.75" - Average rainfall in February:
0.75" - Average rainfall in March:
1.42" - Average rainfall in April:
2.2" - Average rainfall in May:
4.09" - Average rainfall in June:
1.85"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.28" - Average rainfall in September:
2.36" - Average rainfall in October:
2.52" - Average rainfall in November:
0.71" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days
Grainville, OK
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10 days - Average rainfall days in April:
12.7 days - Average rainfall days in May:
15 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10 days - Average rainfall days in November:
6 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Grainville, OK
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days
Grainville, OK
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.9 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:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Grainville, 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 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
7h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days
Grainville, OK
- Average sunshine days in January:
24 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
19 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index
Grainville, 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
Grainville, OK
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Grainville, 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).
Grainville, Oklahoma, USA
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