Climate and monthly weather forecastChattanooga, OK
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Chattanooga, Oklahoma, with an average temperature fluctuating between 33.4°F (0.8°C) and 51.6°F (10.9°C). January's arrival brings an average high-temperature of a still fresh 51.6°F (10.9°C), demonstrating subtle variation from the preceding month. Weather in January »Weather in February
February, the last month of the winter in Chattanooga, is also a fresh month, with an average temperature varying between 36°F (2.2°C) and 55°F (12.8°C). Chattanooga's weather in February indicates an average high-temperature of a still fresh 55°F (12.8°C), nearly consistent with the 51.6°F (10.9°C) of January. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Chattanooga, Oklahoma, with an average temperature ranging between max 65.1°F (18.4°C) and min 45.7°F (7.6°C). In Chattanooga, stepping into March brings a temperature increase, moving up from February's cool 55°F (12.8°C) to a refreshing 65.1°F (18.4°C). Weather in March »Weather in April
April is an agreeable spring month in Chattanooga, Oklahoma, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 73.2°F (22.9°C). With the onset of April, Chattanooga experiences a subtle temperature shift, with the average high-temperature moving from a refreshing 65.1°F (18.4°C) in March to a pleasant 73.2°F (22.9°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Chattanooga, Oklahoma, with an average temperature varying between 81.3°F (27.4°C) and 61.2°F (16.2°C). With the onset of May, the average high-temperature subtly transitions from a pleasant 73.2°F (22.9°C) in April to a warm 81.3°F (27.4°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Chattanooga, Oklahoma, with an average temperature varying between 72°F (22.2°C) and 92.1°F (33.4°C). June sees a rise in the average high-temperature, climbing from a warm 81.3°F (27.4°C) in May to a hot 92.1°F (33.4°C). Weather in June »Weather in July
July in Chattanooga, Oklahoma, is a sweltering summer month, with an average temperature varying between 95.9°F (35.5°C) and 74.8°F (23.8°C). The average temperatures reach their apex in July, averaging 95.9°F (35.5°C) at the high end and 74.8°F (23.8°C) at the low end. In July, the average heat index is evaluated at an extremely hot 111.2°F (44°C). Weather in July »Weather in August
The last month of the summer, August, is another torrid month in Chattanooga, Oklahoma, with an average temperature fluctuating between 73.9°F (23.3°C) and 95.5°F (35.3°C). The arrival of August brings an average high-temperature of a still sweltering 95.5°F (35.3°C), closely following the temperature pattern of July. Weather in August »Weather in September
September, the first month of the autumn in Chattanooga, is still a hot month, with an average temperature varying between 67.3°F (19.6°C) and 86.4°F (30.2°C). Chattanooga's September weather comes with a decrease in average high-temperatures, moving from a sweltering 95.5°F (35.3°C) in August to a hot 86.4°F (30.2°C). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Chattanooga, Oklahoma, with an average temperature varying between 73.2°F (22.9°C) and 54.3°F (12.4°C). October indicates a shift in the average high-temperature, from September's hot 86.4°F (30.2°C) to a pleasant 73.2°F (22.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Chattanooga, Oklahoma, with an average temperature ranging between max 61.7°F (16.5°C) and min 43.3°F (6.3°C). Start of November brings a shift in the average high-temperature, falling from October's pleasant 73.2°F (22.9°C) to a comfortable 61.7°F (16.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Chattanooga, Oklahoma, with an average temperature ranging between min 34.7°F (1.5°C) and max 51.3°F (10.7°C). Temperature records mark December as the coldest month, with highs averaging 51.3°F (10.7°C) and lows at 34.7°F (1.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Chattanooga, OK
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (51.3°F).
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure
Chattanooga, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Chattanooga, OK
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.7mph - Average wind speed in March:
11.5mph - Average wind speed in April:
12mph - Average wind speed in May:
10.9mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
8.8mph - Average wind speed in August:
8.5mph - Average wind speed in September:
8.7mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.6mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity
Chattanooga, OK
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (52%).
Average rainfall
Chattanooga, OK
- Average rainfall in January:
0.98" - Average rainfall in February:
0.83" - Average rainfall in March:
1.5" - Average rainfall in April:
2.91" - Average rainfall in May:
3.78" - Average rainfall in June:
1.97"
- Average rainfall in July:
2.17" - Average rainfall in August:
1.54" - Average rainfall in September:
2.36" - Average rainfall in October:
2.44" - Average rainfall in November:
0.94" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days
Chattanooga, OK
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
11 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Chattanooga, OK
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Chattanooga, OK
- Average snowfall days in January:
1 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0.2 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:
1.1 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Chattanooga, OK
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
8h and 0min - Average sunshine in March:
7h and 54min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 54min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 18min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days
Chattanooga, OK
- Average sunshine days in January:
25.2 days - Average sunshine days in February:
19.5 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
16.9 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
20 days - Average sunshine days in November:
22.9 days - Average sunshine days in December:
24.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14.5 days).
Average UV index
Chattanooga, OK
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Chattanooga, OK
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility
Chattanooga, OK
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).





