Climate and monthly weather forecastRadnor, TN
Climate and monthly weather forecast
Weather in January
January, the same as December, in Radnor, Tennessee, is a frosty winter month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 44.1°F (6.7°C). The coldest time of the year is January, with temperatures averaging a high of 44.1°F (6.7°C) and a low of 30.6°F (-0.8°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Radnor, Tennessee, with an average temperature varying between 49.5°F (9.7°C) and 34.7°F (1.5°C). Radnor sees the arrival of February with an average high-temperature of a still chilly 49.5°F (9.7°C), indicating a subtle variation from January. Weather in February »Weather in March
March, the first month of the spring in Radnor, is a mild month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 41.5°F (5.3°C). The shift into March is characterized by a rise in the average high-temperature, transitioning from February's frosty 49.5°F (9.7°C) to a mild 58.6°F (14.8°C). Weather in March »Weather in April
April in Radnor, Tennessee, is an agreeable spring month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 50.7°F (10.4°C). April's arrival is marked by an increase in the average high-temperature, moving from a refreshing 58.6°F (14.8°C) in March to a pleasant 69.3°F (20.7°C). Weather in April »Weather in May
May, the last month of the spring in Radnor, is a warm month, with an average temperature ranging between max 78.1°F (25.6°C) and min 59.5°F (15.3°C). Radnor's transition into May is marked by a minor temperature shift, moving from a pleasant 69.3°F (20.7°C) in April to a moderately hot 78.1°F (25.6°C). Weather in May »Weather in June
June, the first month of the summer in Radnor, is a hot month, with an average temperature fluctuating between 86.4°F (30.2°C) and 66.6°F (19.2°C). Radnor's transition into June is noticed by a slight rise in the average high-temperature, advancing from a moderately hot 78.1°F (25.6°C) in May to a tropical 86.4°F (30.2°C). Weather in June »Weather in July
July, the same as June, in Radnor, Tennessee, is another hot summer month, with an average temperature fluctuating between 69.8°F (21°C) and 88.3°F (31.3°C). In Radnor, the peak temperatures are generally noted in July, averaging a high of 88.3°F (31.3°C) and a low of 69.8°F (21°C). During July, the heat index is computed to be a blistering 104°F (40°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Radnor, Tennessee, with an average temperature varying between 87.4°F (30.8°C) and 68.5°F (20.3°C). Radnor signifies an average high-temperature of a still tropical 87.4°F (30.8°C) in August, closely mirroring the 88.3°F (31.3°C) of July. Weather in August »Weather in September
September, the first month of the autumn in Radnor, is still a warm month, with an average temperature fluctuating between 62.8°F (17.1°C) and 81.5°F (27.5°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 87.4°F (30.8°C) in August to a moderately hot 81.5°F (27.5°C). Weather in September »Weather in October
October, the same as September, in Radnor, Tennessee, is an agreeable autumn month, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 69.8°F (21°C). Setting in of October comes with a decrease in the average high-temperature, moving from a moderately hot 81.5°F (27.5°C) in September to a pleasant 69.8°F (21°C). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Radnor, Tennessee, with an average temperature ranging between max 57.4°F (14.1°C) and min 40.3°F (4.6°C). Radnor in November demonstrates a small temperature transition, adjusting from an average high of a pleasant 69.8°F (21°C) in October to a mild 57.4°F (14.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Radnor, Tennessee, with an average temperature ranging between min 35.6°F (2°C) and max 48.9°F (9.4°C). December marks a gentle change in average high-temperature, declining from November's refreshing 57.4°F (14.1°C) to a chilly 48.9°F (9.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Radnor, TN
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure
Radnor, TN
- Average pressure in January:
30.17"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"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"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 month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Radnor, TN
- Average wind speed in January:
7.9mph - Average wind speed in February:
8.1mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5mph - Average wind speed in October:
6.3mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity
Radnor, TN
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Radnor, TN
- Average rainfall in January:
2.24" - Average rainfall in February:
2.76" - Average rainfall in March:
1.97" - Average rainfall in April:
3.07" - Average rainfall in May:
2.68" - Average rainfall in June:
3.07"
- Average rainfall in July:
4.02" - Average rainfall in August:
3.23" - Average rainfall in September:
2.01" - Average rainfall in October:
2.2" - Average rainfall in November:
1.77" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days
Radnor, TN
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
12.4 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
20.2 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).
Average snowfall
Radnor, TN
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Radnor, TN
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
1.7 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:
0.3 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
3 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Radnor, 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 48min
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 48min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Radnor, TN
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
12.1 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
14 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index
Radnor, 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
Radnor, TN
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility
Radnor, TN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





