Climate and monthly weather forecastOswego, TN
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Oswego, Tennessee, with an average temperature fluctuating between 27.5°F (-2.5°C) and 41.7°F (5.4°C). The coldest temperatures occur during January, when averages reach a peak of 41.7°F (5.4°C) and a low of 27.5°F (-2.5°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Oswego, Tennessee, with an average temperature ranging between min 30.9°F (-0.6°C) and max 46.6°F (8.1°C). February's advent presents an average high-temperature of a chilly 46.6°F (8.1°C), indicating a slight variation from the conditions of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Oswego, Tennessee, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 37.9°F (3.3°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's frosty 46.6°F (8.1°C) to a cool 55°F (12.8°C). Weather in March »Weather in April
April in Oswego, Tennessee, is an enjoyable spring month, with an average temperature ranging between min 46°F (7.8°C) and max 66.4°F (19.1°C). Oswego in April experiences an increase in the average high-temperature, moving from March's cool 55°F (12.8°C) to an enjoyable 66.4°F (19.1°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Oswego, Tennessee, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 54.3°F (12.4°C). In Oswego, stepping into May brings a temperature increase, moving up from April's comfortable 66.4°F (19.1°C) to a moderately hot 75.4°F (24.1°C). Weather in May »Weather in June
June, the first month of the summer in Oswego, is also a moderately hot month, with an average temperature fluctuating between 60.4°F (15.8°C) and 82.9°F (28.3°C). Entering June, Oswego notices a subtle temperature elevation, with the average high-temperature advancing from May's moderately hot 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 Oswego, Tennessee, with an average temperature fluctuating between 63.3°F (17.4°C) and 85.3°F (29.6°C). In Oswego, July is the month with the highest recorded average temperatures, measuring a high of 85.3°F (29.6°C) and a low of 63.3°F (17.4°C). The average heat index in July is calculated to be a very hot 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Oswego, Tennessee, with an average temperature varying between 61.9°F (16.6°C) and 84.7°F (29.3°C). An average high-temperature of a still moderately hot 84.7°F (29.3°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Oswego, Tennessee, with an average temperature fluctuating between 78.6°F (25.9°C) and 56.7°F (13.7°C). A minor decrease in the average high-temperature is observed during September, shifting from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.6°F (25.9°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Oswego, Tennessee, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 66.9°F (19.4°C). Oswego's transition into October involves a shift in temperature, receding from a warm 78.6°F (25.9°C) in September to a refreshing 66.9°F (19.4°C). Weather in October »Weather in November
November, the last month of the autumn in Oswego, is another cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 37.2°F (2.9°C). November's arrival comes with a decrease in the average high-temperature, moving from an enjoyable 66.9°F (19.4°C) in October to a cool 54.5°F (12.5°C). Weather in November »Weather in December
December, the first month of the winter in Oswego, is still a chilly month, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 33.3°F (0.7°C). With the arrival of December, Oswego experiences a modest decline in average high-temperatures, transitioning from a cool 54.5°F (12.5°C) in November to a frosty 46.4°F (8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Oswego, TN
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.7°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure
Oswego, 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:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"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
Oswego, TN
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.1mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.1mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Oswego, TN
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June and August (77%).
Average rainfall
Oswego, TN
- Average rainfall in January:
3.39" - Average rainfall in February:
4.65" - Average rainfall in March:
3.39" - Average rainfall in April:
3.86" - Average rainfall in May:
3.66" - Average rainfall in June:
3.86"
- Average rainfall in July:
4.37" - Average rainfall in August:
3.27" - Average rainfall in September:
2.44" - Average rainfall in October:
2.95" - Average rainfall in November:
2.76" - Average rainfall in December:
3.7"
The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days
Oswego, TN
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
13.5 days - Average rainfall days in March:
16.9 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
20.3 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
14.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall
Oswego, TN
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Oswego, TN
- Average snowfall days in January:
9.1 days - Average snowfall days in February:
8 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.5 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:
0.4 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Oswego, 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 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - 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:
5h and 12min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 24min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Oswego, TN
- Average sunshine days in January:
12 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
10 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.6 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
15.6 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index
Oswego, TN
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Oswego, TN
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility
Oswego, TN
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).





