Climate and monthly weather forecastChatham, KY
Climate and monthly weather forecast
Weather in January
January, like December, in Chatham, Kentucky, is a wintry winter month, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 36.9°F (2.7°C). January, having an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.1°F (-4.4°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Chatham, is another cold month, with an average temperature varying between 41.5°F (5.3°C) and 27°F (-2.8°C). The onset of February marks an average high-temperature of a still icy 41.5°F (5.3°C), hardly differing from January's 36.9°F (2.7°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Chatham, Kentucky, with an average temperature varying between 35.4°F (1.9°C) and 52°F (11.1°C). March's onset brings a temperature rise, moving from a wintry 41.5°F (5.3°C) in February to a cool 52°F (11.1°C). Weather in March »Weather in April
April in Chatham, Kentucky, is an enjoyable spring month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 63.9°F (17.7°C). April shows a rise in the average high-temperature, moving from March's fresh 52°F (11.1°C) to an enjoyable 63.9°F (17.7°C). Weather in April »Weather in May
May, the last month of the spring in Chatham, is a moderately hot month, with an average temperature varying between 55°F (12.8°C) and 73.8°F (23.2°C). The onset of May brings a temperature shift, with the average high-temperature moving from a refreshing 63.9°F (17.7°C) in April to a warm 73.8°F (23.2°C). Weather in May »Weather in June
June, the first month of the summer in Chatham, is also a moderately hot month, with an average temperature fluctuating between 81.3°F (27.4°C) and 61.3°F (16.3°C). In Chatham, stepping into June brings a gentle temperature nudge, moving slightly up from May's 73.8°F (23.2°C) to a still warm 81.3°F (27.4°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Chatham, Kentucky, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 84.6°F (29.2°C). Chatham's warmest month, July, generally records average temperatures ranging from a high of 84.6°F (29.2°C) to a low of 64.8°F (18.2°C). Throughout July, the heat index is computed to be a sweltering 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Chatham, Kentucky, with an average temperature fluctuating between 83.7°F (28.7°C) and 63.1°F (17.3°C). As Chatham transitions into August, the average high-temperature stands at a still warm 83.7°F (28.7°C), offering little variation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Chatham, Kentucky, with an average temperature fluctuating between 57.9°F (14.4°C) and 77.5°F (25.3°C). A subtle shift in Chatham's weather is observed as August turns into September, with the average high temperature reducing from 83.7°F (28.7°C) to a still warm 77.5°F (25.3°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Chatham, Kentucky, with an average temperature ranging between min 46.9°F (8.3°C) and max 64.9°F (18.3°C). Chatham observes a minor decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 77.5°F (25.3°C) to an enjoyable 64.9°F (18.3°C). Weather in October »Weather in November
November, the last month of the autumn in Chatham, is also a fresh month, with an average temperature varying between 51.8°F (11°C) and 36.5°F (2.5°C). Chatham experiences a temperature shift at the start of November, with average high-temperatures adjusting from a comfortable 64.9°F (18.3°C) in October to a fresh 51.8°F (11°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Chatham, Kentucky, with an average temperature fluctuating between 31.1°F (-0.5°C) and 42.1°F (5.6°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a fresh 51.8°F (11°C) in November to an icy 42.1°F (5.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Chatham, KY
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure
Chatham, KY
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Chatham, KY
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7mph - Average wind speed in November:
7.5mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Chatham, KY
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September, October and November (76%).
Average rainfall
Chatham, KY
- Average rainfall in January:
2.13" - Average rainfall in February:
2.95" - Average rainfall in March:
3.19" - Average rainfall in April:
3.39" - Average rainfall in May:
3.43" - Average rainfall in June:
2.99"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.28" - Average rainfall in September:
1.81" - Average rainfall in October:
2.17" - Average rainfall in November:
2.32" - Average rainfall in December:
2.87"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Chatham, KY
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
12 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
13.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (10.2 days).
Average snowfall
Chatham, KY
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Chatham, KY
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
0.8 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:
2.6 days - Average snowfall days in December:
7.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Chatham, KY
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Chatham, KY
- Average sunshine days in January:
11.4 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is October (17.5 days).
The months with the least sunshine days are May and June (9.8 days).
Average UV index
Chatham, KY
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Chatham, KY
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Chatham, KY
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).





