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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, like December, in Grayson, Kentucky, is an icy winter month, with an average temperature varying between 38.8°F (3.8°C) and 25.7°F (-3.5°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Grayson, Kentucky, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 43.3°F (6.3°C). Grayson, Kentucky, experiences a minor change to a frosty 43.3°F (6.3°C) in average high-temperature during February, closely reflecting January. Weather in February »
Weather in March
March, the first month of the spring in Grayson, is a fresh month, with an average temperature fluctuating between 36.5°F (2.5°C) and 53.2°F (11.8°C). March shows a rise in the average high-temperature, moving from February's frosty 43.3°F (6.3°C) to a fresh 53.2°F (11.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Grayson, Kentucky, with an average temperature ranging between min 45.9°F (7.7°C) and max 65.8°F (18.8°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a fresh 53.2°F (11.8°C) to a refreshing 65.8°F (18.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Grayson, Kentucky, with an average temperature fluctuating between 54.7°F (12.6°C) and 75.9°F (24.4°C). As May arrives, a rise in the average high-temperature is observed, moving from a comfortable 65.8°F (18.8°C) in April to a warm 75.9°F (24.4°C). Weather in May »
Weather in June
June, the first month of the summer in Grayson, is also a moderately hot month, with an average temperature ranging between max 84°F (28.9°C) and min 61.3°F (16.3°C). Grayson, Kentucky, experiences a minor temperature shift with the start of June, with average high-temperatures moving from 75.9°F (24.4°C) in May to a still moderately hot 84°F (28.9°C). Weather in June »
Weather in July
July is a tropical summer month in Grayson, Kentucky, with an average temperature varying between 64.4°F (18°C) and 87.3°F (30.7°C). Grayson's July weather reaches an average high of 87.3°F (30.7°C) and an average low of 64.4°F (18°C), making it the warmest month. In July, the heat index is calculated to be a torrid 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Grayson, is also a moderately hot month, with an average temperature ranging between min 62.4°F (16.9°C) and max 85.6°F (29.8°C). Grayson starts August with an average high-temperature of a warm 85.6°F (29.8°C), a minor shift from July's 87.3°F (30.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Grayson, Kentucky, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 57.4°F (14.1°C). In September, the average high-temperature marginally drops from a warm 85.6°F (29.8°C) in August to a still moderately hot 79.3°F (26.3°C). Weather in September »
Weather in October
October, like September, in Grayson, Kentucky, is another refreshing autumn month, with an average temperature varying between 66°F (18.9°C) and 47.3°F (8.5°C). Grayson's progression into October involves a drop in the average high-temperature, receding from a moderately hot 79.3°F (26.3°C) in September to a comfortable 66°F (18.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Grayson, is also a fresh month, with an average temperature varying between 53.1°F (11.7°C) and 37°F (2.8°C). The shift to November brings a decrease in the average high-temperature, falling from a comfortable 66°F (18.9°C) in October to a fresh 53.1°F (11.7°C). Weather in November »
Weather in December
December, the first month of the winter in Grayson, is also a frosty month, with an average temperature ranging between max 44.1°F (6.7°C) and min 32.5°F (0.3°C). December brings a minor shift in the average high-temperature, adjusting from a fresh 53.1°F (11.7°C) in November to a frosty 44.1°F (6.7°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
What are the coldest months in Grayson?
The lowest temperatures in Grayson are recorded in January, with averages reaching a high of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C).
How many days does it rain in Grayson?
In Grayson, Kentucky, during the entire year, the rain falls for 171.1 days and collects up to 31.18" (792mm) of precipitation.
When does it snow in Grayson?
January through April, October through December are months with snowfall in Grayson.
How many days does it snow in Grayson?
In Grayson, Kentucky, during the entire year, snow falls for 35.9 days and aggregates up to 11.73" (298mm) of snow.
What is the month with the least sunshine in Grayson?
January has the least sunshine of the year, with an average of 3.9h of sunshine.
What are the months with the lowest UV index in Grayson?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grayson, Kentucky.
What is the most humid month in Grayson?
With an average relative humidity of 81%, February is the most humid month.
When does it snow the most in Grayson?
The month with the most snowfall is February, when snow falls for 9.5 days and typically aggregates up to 3.23" (82mm) of snow.
When is Daylight Saving Time (DST) in Grayson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the rainiest month in Grayson?
The months with the most rainfall in Grayson, Kentucky, are April and December, with an average 3.07" (78mm) of precipitation.
When it does not snow in Grayson?
In Grayson, Kentucky, snow does not fall in May through September.
What is the month with the highest UV index in Grayson?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days in Grayson?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What are the warmest months in Grayson?
Grayson records the warmest temperatures in July, averaging a high of 87.3°F (30.7°C) and a low of 64.4°F (18°C).
What is the least humid month in Grayson?
With an average relative humidity of 74%, August is the least humid month in Grayson.
What month has the most sunshine in Grayson?
The month with the most sunshine in Grayson, Kentucky, is August, with an average of 10.3h of sunshine.
What is the driest month in Grayson?
The month with the least rainfall in Grayson is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.
What is the month with the shortest days in Grayson?
December has the shortest days of the year in Grayson, Kentucky, with an average of 9h and 30min of daylight.
Average temperature
Grayson, KY
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Grayson, KY
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Grayson, KY
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.1mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7mph - Average wind speed in May:
6mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.6mph - Average wind speed in November:
6mph - Average wind speed in December:
6.6mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Grayson, KY
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall
Grayson, KY
- Average rainfall in January:
2.28" - Average rainfall in February:
2.99" - Average rainfall in March:
2.72" - Average rainfall in April:
3.07" - Average rainfall in May:
2.91" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.52" - Average rainfall in September:
1.89" - Average rainfall in October:
2.2" - Average rainfall in November:
1.97" - Average rainfall in December:
3.07"
The wettest months (with the highest rainfall) are April and December (3.07").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Grayson, KY
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
16 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
13.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall
Grayson, KY
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Grayson, KY
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.7 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:
0.2 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Grayson, KY
- Average daylight in January:
9h and 5min - 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - 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 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 0min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Grayson, KY
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
10.5 days - Average sunshine days in April:
12 days - Average sunshine days in May:
10 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
12.9 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.3 days).
Average UV index
Grayson, KY
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Grayson, KY
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Grayson, KY
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Grayson, Kentucky, USA
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