Climate and monthly weather forecastOld Washington, TN
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Old Washington, Tennessee, with an average temperature fluctuating between 30.2°F (-1°C) and 45.1°F (7.3°C). In Old Washington, the lowest average temperatures are observed in January, with a high of 45.1°F (7.3°C) and a low of 30.2°F (-1°C). Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Old Washington, Tennessee, with an average temperature varying between 50.4°F (10.2°C) and 33.8°F (1°C). The commencement of February introduces an average high-temperature of a fresh 50.4°F (10.2°C), closely mirroring the preceding month. Weather in February »Weather in March
March, the first month of the spring in Old Washington, is a moderate month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 40.6°F (4.8°C). Old Washington in March observes a minor temperature shift, with average high-temperatures adjusting from a cool 50.4°F (10.2°C) in February to a refreshing 58.1°F (14.5°C). Weather in March »Weather in April
April in Old Washington, Tennessee, is an agreeable spring month, with an average temperature varying between 68.5°F (20.3°C) and 48°F (8.9°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a refreshing 58.1°F (14.5°C) to a pleasant 68.5°F (20.3°C). Weather in April »Weather in May
May, the last month of the spring in Old Washington, is a moderately hot month, with an average temperature ranging between min 56.1°F (13.4°C) and max 77.5°F (25.3°C). The start of May brings a rise in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
June, the first month of the summer in Old Washington, is also a moderately hot month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 62.8°F (17.1°C). A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from 77.5°F (25.3°C) to a still moderately hot 84.9°F (29.4°C). Weather in June »Weather in July
July in Old Washington, Tennessee, is a tropical summer month, with an average temperature ranging between min 65.5°F (18.6°C) and max 87.4°F (30.8°C). The warmest time of the year is July, with temperatures averaging a high of 87.4°F (30.8°C) and a low of 65.5°F (18.6°C). July's mean heat index is computed to be a sweltering 102.2°F (39°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Old Washington, Tennessee, with an average temperature ranging between min 64.6°F (18.1°C) and max 86.5°F (30.3°C). The arrival of August brings an average high-temperature of a still hot 86.5°F (30.3°C), closely following the temperature pattern of July. Weather in August »Weather in September
September, the first month of the autumn in Old Washington, is still a warm month, with an average temperature ranging between min 59.4°F (15.2°C) and max 80.6°F (27°C). September reveals a small adjustment in temperature, transitioning from an average high of a tropical 86.5°F (30.3°C) in August to a warm 80.6°F (27°C). Weather in September »Weather in October
October, the same as September, in Old Washington, Tennessee, is an agreeable autumn month, with an average temperature fluctuating between 69.4°F (20.8°C) and 48.7°F (9.3°C). As Old Washington enters October, the average high-temperature decreases from the a moderately hot 80.6°F (27°C) of September to an agreeable 69.4°F (20.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Old Washington, Tennessee, with an average temperature varying between 56.8°F (13.8°C) and 39.6°F (4.2°C). The move into November indicates a reduction in the average high-temperature, down from October's agreeable 69.4°F (20.8°C) to a mild 56.8°F (13.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Old Washington, Tennessee, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 35.2°F (1.8°C). December witnesses a gentle descent in average high-temperature, descending from November's moderate 56.8°F (13.8°C) to a chilly 49.1°F (9.5°C). Weather in December »Updated: Aug 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
January stands out as Old Washington's coldest month, with temperatures ranging between an average high of 45.1°F (7.3°C) and a low of 30.2°F (-1°C).
The months with the lowest humidity in Old Washington, Tennessee, are January, June through November, with an average relative humidity of 76%.
Throughout the year, there are 163.6 rainfall days, and 37.44" (951mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 2.8 days and accumulates 0.67" (17mm) of snow.
In Old Washington, during the entire year, snow falls for 8.2 days and aggregates up to 2.01" (51mm) of snow.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
May through October are months without snowfall.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Old Washington.
With an average of 14h and 30min of daylight, June has the longest days of the year.
June has the most sunshine of the year, with an average of 10.2h of sunshine.
The highest temperatures are recorded in July, with averages reaching a high of 87.4°F (30.8°C) and a low of 65.5°F (18.6°C).
July is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.94" (100mm) of precipitation.
The month with the least rainfall is November, when the rain falls for 8.8 days and typically collects 2.28" (58mm) of precipitation.
December is the most humid month, with an average relative humidity of 80%.
The month with the shortest days is December, with an average of 9h and 48min of daylight.
December has the least sunshine of the year in Old Washington, with an average of 4.8h of sunshine.
Average temperature
Old Washington, TN
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.1°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure
Old Washington, 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:
30"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"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:
30.16"Hg - Average pressure in December:
30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Old Washington, TN
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.5mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity
Old Washington, TN
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall
Old Washington, TN
- Average rainfall in January:
2.76" - Average rainfall in February:
3.66" - Average rainfall in March:
3.15" - Average rainfall in April:
3.54" - Average rainfall in May:
2.83" - Average rainfall in June:
3.03"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days
Old Washington, TN
- Average rainfall days in January:
11.4 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
17 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Old Washington, TN
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Old Washington, TN
- Average snowfall days in January:
2.8 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
1 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Old Washington, TN
- Average daylight in January:
10h and 6min - 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 30min
- 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 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 48min - Average sunshine in March:
6h and 18min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 18min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Old Washington, TN
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Old Washington, 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
Old Washington, TN
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility
Old Washington, TN
The months with the highest visibility are February, June, October and November (6mi).
The months with the lowest visibility are January, March, April, May, July, August, September and December (5mi).
