Climate and monthly weather forecastGrimsley, TN
Climate and monthly weather forecast
Weather in January
January, like December, in Grimsley, Tennessee, is an icy winter month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 41.7°F (5.4°C). During the coldest month, January, temperatures average a high of 41.7°F (5.4°C) and a low of 27.7°F (-2.4°C). Weather in January »Weather in February
February, the last month of the winter in Grimsley, is a chilly month, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 47.3°F (8.5°C). The onset of February brings a minor temperature shift, with the average high-temperature moving from an icy 41.7°F (5.4°C) in January to a frosty 47.3°F (8.5°C). Weather in February »Weather in March
March, the first month of the spring in Grimsley, is a moderate month, with an average temperature fluctuating between 38.8°F (3.8°C) and 55.4°F (13°C). Grimsley in March observes a minor temperature shift, with average high-temperatures adjusting from a chilly 47.3°F (8.5°C) in February to a refreshing 55.4°F (13°C). Weather in March »Weather in April
April in Grimsley, Tennessee, is a refreshing spring month, with an average temperature ranging between max 66.2°F (19°C) and min 47.3°F (8.5°C). As Grimsley enters April, the average high-temperature increases from the a refreshing 55.4°F (13°C) of March to a comfortable 66.2°F (19°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Grimsley, Tennessee, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 75.4°F (24.1°C). May's arrival coincides with a temperature rise, moving from April's comfortable 66.2°F (19°C) to a moderately hot 75.4°F (24.1°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Grimsley, Tennessee, with an average temperature fluctuating between 82.9°F (28.3°C) and 61.3°F (16.3°C). With the onset of June, Grimsley observes a minor temperature ascent, with the average high-temperature adjusting from May's 75.4°F (24.1°C) to a still warm 82.9°F (28.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Grimsley, Tennessee, with an average temperature ranging between max 85.6°F (29.8°C) and min 64.9°F (18.3°C). In Grimsley, July is identified by the highest average temperatures, reaching a peak of 85.6°F (29.8°C) and a low of 64.9°F (18.3°C). July's average heat index is calculated to be a torrid 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Grimsley, Tennessee, with an average temperature fluctuating between 63.3°F (17.4°C) and 84.7°F (29.3°C). Grimsley's transition from July to August introduces an average high-temperature of a still warm 84.7°F (29.3°C), marking an insignificant variation from the 85.6°F (29.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Grimsley, Tennessee, with an average temperature fluctuating between 78.8°F (26°C) and 58.1°F (14.5°C). September is marked by a subtle drop in average high-temperatures, transitioning from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.8°F (26°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Grimsley, Tennessee, with an average temperature varying between 67.3°F (19.6°C) and 47.3°F (8.5°C). October's onset brings a reduction in the average high-temperature, from a warm 78.8°F (26°C) in September to an enjoyable 67.3°F (19.6°C). Weather in October »Weather in November
November, the last month of the autumn in Grimsley, is also a fresh month, with an average temperature ranging between max 54.7°F (12.6°C) and min 37.8°F (3.2°C). With November's arrival, Grimsley sees a decrease in average high-temperatures, moving from a refreshing 67.3°F (19.6°C) in October to a cool 54.7°F (12.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Grimsley, Tennessee, with an average temperature varying between 33.6°F (0.9°C) and 46.9°F (8.3°C). With the arrival of December, Grimsley experiences a modest decline in average high-temperatures, transitioning from a cool 54.7°F (12.6°C) in November to a chilly 46.9°F (8.3°C). Weather in December »Updated: Aug 11, 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, with its average high-temperature of 41.7°F (5.4°C) and an average low-temperature of 27.7°F (-2.4°C), holds the record as the coldest month.
In Grimsley, during the entire year, the rain falls for 170.9 days and collects up to 37.68" (957mm) of precipitation.
Months with snowfall are January through April, October through December.
Throughout the year, there are 26.1 snowfall days, and 9.72" (247mm) of snow is accumulated.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most rainfall in Grimsley. Rain falls for 11.4 days and accumulates 4.13" (105mm) of precipitation.
The month with the most snowfall is February, when snow falls for 6.8 days and typically aggregates up to 3.94" (100mm) of snow.
The month with the least sunshine is February, with an average of 4.2h of sunshine.
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 months with the lowest humidity are April, June, August, October and November, with an average relative humidity of 77%.
In Grimsley, snow does not fall in May through September.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Grimsley, Tennessee.
June has the longest days of the year, with an average of 14h and 36min of daylight.
The month with the most sunshine is June, with an average of 10.3h of sunshine.
With average high temperatures of 85.6°F (29.8°C) and lows of 64.9°F (18.3°C), July is the warmest month.
The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 2.32" (59mm) of precipitation.
With an average relative humidity of 81%, December is the most humid month.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Average temperature
Grimsley, TN
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Grimsley, TN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Grimsley, TN
- Average wind speed in January:
7mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7mph - Average wind speed in May:
5.6mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
4mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Grimsley, TN
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).
Average rainfall
Grimsley, TN
- Average rainfall in January:
2.95" - Average rainfall in February:
4.13" - Average rainfall in March:
3.03" - Average rainfall in April:
3.66" - Average rainfall in May:
3.19" - Average rainfall in June:
3.31"
- Average rainfall in July:
3.7" - Average rainfall in August:
2.95" - Average rainfall in September:
2.32" - Average rainfall in October:
2.76" - Average rainfall in November:
2.48" - Average rainfall in December:
3.19"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days
Grimsley, TN
- Average rainfall days in January:
11.2 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
12.8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).
Average snowfall
Grimsley, TN
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Grimsley, TN
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4 days - Average snowfall days in April:
0.3 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:
2.5 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Grimsley, TN
- 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:
4h and 18min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 24min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - Average sunshine in September:
7h and 54min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Grimsley, TN
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
10.6 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
18 days - Average sunshine days in November:
17 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).
Average UV index
Grimsley, TN
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 and December (UV index 2).
Average cloud cover
Grimsley, TN
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility
Grimsley, TN
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
