Climate and monthly weather forecastEast Chatham, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, in East Chatham, New York, is a freezing cold winter month, with an average temperature ranging between max 29.1°F (-1.6°C) and min 16.7°F (-8.5°C). With its high average temperature of 29.1°F (-1.6°C) and a low of 16.7°F (-8.5°C), January is regarded as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a cold month in East Chatham, New York, with an average temperature varying between 32.5°F (0.3°C) and 18°F (-7.8°C). East Chatham starts February with an average high-temperature of an icy 32.5°F (0.3°C), hinting at a minimal fluctuation from January. Weather in February »Weather in March
March, the first month of the spring in East Chatham, is also an icy month, with an average temperature fluctuating between 41.2°F (5.1°C) and 25.7°F (-3.5°C). March signals a minor shift in the average high-temperature, moving from February's cold 32.5°F (0.3°C) to a still wintry 41.2°F (5.1°C). Weather in March »Weather in April
April in East Chatham, New York, is a fresh spring month, with an average temperature varying between 36.1°F (2.3°C) and 54.3°F (12.4°C). The beginning of April signals a rise in the average high-temperature, moving from a wintry 41.2°F (5.1°C) in March to a cool 54.3°F (12.4°C). Weather in April »Weather in May
May, the last month of the spring in East Chatham, is a refreshing month, with an average temperature ranging between min 46.6°F (8.1°C) and max 67.3°F (19.6°C). The start of May brings a rise in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a comfortable 67.3°F (19.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in East Chatham, New York, with an average temperature fluctuating between 74.8°F (23.8°C) and 53.2°F (11.8°C). In June, the average high-temperature marginally rises from a comfortable 67.3°F (19.6°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »Weather in July
July, like June, in East Chatham, New York, is a moderately hot summer month, with an average temperature ranging between max 80.8°F (27.1°C) and min 59°F (15°C). July is the warmest month of the year, registering average temperatures as high as 80.8°F (27.1°C) and as low as 59°F (15°C). July's heat index is estimated at a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in East Chatham, is another warm month, with an average temperature varying between 78.8°F (26°C) and 57.2°F (14°C). August's arrival registers an average high-temperature of a still moderately hot 78.8°F (26°C), closely aligning with the temperature of the previous month. Weather in August »Weather in September
September, the first month of the autumn in East Chatham, is still a pleasant month, with an average temperature ranging between min 51.1°F (10.6°C) and max 71.2°F (21.8°C). East Chatham observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 78.8°F (26°C) to an agreeable 71.2°F (21.8°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in East Chatham, New York, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 58.1°F (14.5°C). October shows a mild decline in the average high-temperature, falling from September's agreeable 71.2°F (21.8°C) to a moderate 58.1°F (14.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in East Chatham, New York, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 32°F (0°C). The start of November involves a temperature drop, moving from a mild 58.1°F (14.5°C) in October to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in East Chatham, New York, with an average temperature varying between 34.9°F (1.6°C) and 24.1°F (-4.4°C). Transition into December marks a drop in the average high-temperature, moving from a frosty 45.5°F (7.5°C) in November to a wintry 34.9°F (1.6°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
East Chatham, NY
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.1°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
East Chatham, NY
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
East Chatham, NY
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.2mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
East Chatham, NY
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall
East Chatham, NY
- Average rainfall in January:
1.1" - Average rainfall in February:
1.22" - Average rainfall in March:
1.42" - Average rainfall in April:
1.77" - Average rainfall in May:
2.05" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.4" - Average rainfall in August:
1.85" - Average rainfall in September:
1.57" - Average rainfall in October:
1.93" - Average rainfall in November:
1.57" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
East Chatham, NY
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall
East Chatham, NY
- Average snowfall in January:
3.31" - Average snowfall in February:
3.62" - Average snowfall in March:
3.9" - Average snowfall in April:
0.71" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
East Chatham, NY
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
7.8 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.3 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:
0.6 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
5.6 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
East Chatham, NY
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 30min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
East Chatham, NY
- Average sunshine days in January:
20 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is June (12.5 days).
Average UV index
East Chatham, NY
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
East Chatham, NY
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility
East Chatham, NY
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).





