Climate and monthly weather forecastGrayson, LA
Climate and monthly weather forecast
Weather in January
January, like December, in Grayson, Louisiana, is another fresh winter month, with an average temperature varying between 39.6°F (4.2°C) and 54.9°F (12.7°C). With average high and low temperatures of 54.9°F (12.7°C) and 39.6°F (4.2°C) respectively, January is Grayson's coldest month. Weather in January »Weather in February
The last month of the winter, February, is a mild month in Grayson, Louisiana, with an average temperature fluctuating between 59.5°F (15.3°C) and 44.1°F (6.7°C). The shift to February signals an average high-temperature of a mild 59.5°F (15.3°C), subtly varied from January's 54.9°F (12.7°C). Weather in February »Weather in March
March, the first month of the spring in Grayson, is a pleasant month, with an average temperature fluctuating between 68°F (20°C) and 50.4°F (10.2°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's mild 59.5°F (15.3°C) to an agreeable 68°F (20°C). Weather in March »Weather in April
April is a moderately hot spring month in Grayson, Louisiana, with an average temperature ranging between max 76.3°F (24.6°C) and min 56.1°F (13.4°C). Grayson's April weather indicates a minor ascent in high-temperatures, adjusting from a pleasant 68°F (20°C) in March to a warm 76.3°F (24.6°C). Weather in April »Weather in May
May, the last month of the spring in Grayson, is another warm month, with an average temperature fluctuating between 84.4°F (29.1°C) and 64°F (17.8°C). Grayson in May observes a minor temperature shift, with average high-temperatures adjusting from 76.3°F (24.6°C) in April to a still warm 84.4°F (29.1°C). Weather in May »Weather in June
June, the first month of the summer in Grayson, is a tropical month, with an average temperature varying between 71.2°F (21.8°C) and 91.2°F (32.9°C). June's arrival sees a mild rise in the average high-temperature, transitioning from May's moderately hot 84.4°F (29.1°C) to a tropical 91.2°F (32.9°C). Weather in June »Weather in July
July, the same as June, in Grayson, Louisiana, is another hot summer month, with an average temperature varying between 72.9°F (22.7°C) and 93.7°F (34.3°C). With average temperatures fluctuating between a high of 93.7°F (34.3°C) and a low of 72.9°F (22.7°C), July stands out as the warmest month. The average heat index in July is computed to be a burning hot 122°F (50°C). Weather in July »Weather in August
August, the last month of the summer in Grayson, is another tropical month, with temperature in the range of an average high of 93.2°F (34°C) and an average low of 73°F (22.8°C). The introduction of August notes a subtle temperature variation to a still hot 93.2°F (34°C) from July's 93.7°F (34.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Grayson, Louisiana, with an average temperature fluctuating between 88°F (31.1°C) and 67.8°F (19.9°C). As Grayson, Louisiana, steps into September, the average high-temperature is measured at a still hot 88°F (31.1°C), displaying minor differences from August's 93.2°F (34°C). Weather in September »Weather in October
October, like September, in Grayson, Louisiana, is a moderately hot autumn month, with an average temperature fluctuating between 57.2°F (14°C) and 77.9°F (25.5°C). The arrival of October corresponds with a temperature reduction, down from September's hot 88°F (31.1°C) to a moderately hot 77.9°F (25.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Grayson, Louisiana, with an average temperature varying between 48°F (8.9°C) and 65.1°F (18.4°C). The arrival of November signals a shift in temperature, down from a warm 77.9°F (25.5°C) in October to a refreshing 65.1°F (18.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Grayson, Louisiana, with an average temperature ranging between max 57.6°F (14.2°C) and min 42.8°F (6°C). The beginning of December brings a slight decrease in the average high-temperature, transitioning from an enjoyable 65.1°F (18.4°C) in November to a mild 57.6°F (14.2°C). Weather in December »Updated: Jun 27, 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
January stands out as Grayson's coldest month, with temperatures ranging between an average high of 54.9°F (12.7°C) and a low of 39.6°F (4.2°C).
Throughout the year, there are 172.1 rainfall days, and 39.45" (1002mm) of precipitation is accumulated.
January through March and December are months with snowfall.
The months with the most snowfall are January and February, with an average 0.31" (8mm) of accumulated snow.
Throughout the year, there are 2.4 snowfall days, and 0.91" (23mm) of snow is accumulated.
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
February and December, with an average relative humidity of 82%, are most humid months.
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 month with the most rainfall is April, when the rain falls for 14.3 days and typically aggregates up to 3.9" (99mm) of precipitation.
April through November are months without snowfall.
June has the longest days of the year, with an average of 14h and 12min of daylight.
June and July, with an average of 10.2h of sunshine, are months with the most sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
Grayson's warmest month, July, registers temperatures that range from a high of 93.7°F (34.3°C) to a low of 72.9°F (22.7°C).
The least humid month is October, with an average relative humidity of 71%.
November is the month with the least rainfall. Rain falls for 9.9 days and accumulates 2.4" (61mm) of precipitation.
With an average of 10h and 6min of daylight, December has the shortest days of the year.
With an average of 4.8h of sunshine, December has the least sunshine of the year.
Average temperature
Grayson, LA
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (54.9°F).
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure
Grayson, LA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Grayson, LA
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.8mph - Average wind speed in April:
6.9mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.6mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.4mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity
Grayson, LA
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Grayson, LA
- Average rainfall in January:
3.07" - Average rainfall in February:
3.27" - Average rainfall in March:
3.54" - Average rainfall in April:
3.9" - Average rainfall in May:
3.54" - Average rainfall in June:
2.99"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days
Grayson, LA
- Average rainfall days in January:
11 days - Average rainfall days in February:
12.5 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
16.2 days - Average rainfall days in October:
10 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
13.4 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.9 days).
Average snowfall
Grayson, LA
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Grayson, LA
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
0.6 days - Average snowfall days in March:
0.3 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 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Grayson, LA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Grayson, LA
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
14 days - Average sunshine days in April:
13.9 days - Average sunshine days in May:
13 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
18 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (9.8 days).
Average UV index
Grayson, LA
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 3).
Average cloud cover
Grayson, LA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility
Grayson, LA
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
