Climate and monthly weather forecastChappaqua, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Chappaqua, New York, with an average temperature varying between 34.5°F (1.4°C) and 23.2°F (-4.9°C). With its high average temperature of 34.5°F (1.4°C) and a low of 23.2°F (-4.9°C), January is regarded as the coldest month. Weather in January »Weather in February
February, the last month of the winter in Chappaqua, is also an icy month, with an average temperature varying between 24.8°F (-4°C) and 37.8°F (3.2°C). February's beginning signals an average high-temperature of a still wintry 37.8°F (3.2°C), barely different from January's 34.5°F (1.4°C). Weather in February »Weather in March
March, the first month of the spring in Chappaqua, is a frosty month, with an average temperature ranging between max 45°F (7.2°C) and min 31.3°F (-0.4°C). The onset of March brings a minor temperature shift, with the average high-temperature moving from a wintry 37.8°F (3.2°C) in February to a frosty 45°F (7.2°C). Weather in March »Weather in April
April in Chappaqua, New York, is a mild spring month, with an average temperature varying between 41.7°F (5.4°C) and 56.8°F (13.8°C). Chappaqua's April weather brings a rise in high-temperatures, moving from a chilly 45°F (7.2°C) in March to a mild 56.8°F (13.8°C). Weather in April »Weather in May
May, the last month of the spring in Chappaqua, is a comfortable month, with an average temperature ranging between min 51.1°F (10.6°C) and max 67.8°F (19.9°C). The commencement of May sees a shift in the average high-temperature, moving from a moderate 56.8°F (13.8°C) in April to an enjoyable 67.8°F (19.9°C). Weather in May »Weather in June
June, the first month of the summer in Chappaqua, is a warm month, with an average temperature ranging between max 76.3°F (24.6°C) and min 58.8°F (14.9°C). June's onset witnesses a minor shift in the average high-temperature, moving from a refreshing 67.8°F (19.9°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Chappaqua, New York, with an average temperature fluctuating between 66°F (18.9°C) and 82.9°F (28.3°C). July, with its high-temperature average of 82.9°F (28.3°C) and a low-temperature average of 66°F (18.9°C), is the warmest month. During July, the heat index is estimated at a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Chappaqua, New York, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 81.1°F (27.3°C). The start of August marks an average high-temperature of a still moderately hot 81.1°F (27.3°C), hardly distinguishable from the conditions in July. Weather in August »Weather in September
September, the first month of the autumn in Chappaqua, is still a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 58.1°F (14.5°C). September is marked by a subtle drop in average high-temperatures, transitioning from 81.1°F (27.3°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Chappaqua, New York, with an average temperature fluctuating between 48.9°F (9.4°C) and 61.7°F (16.5°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 73.9°F (23.3°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Chappaqua, New York, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 50°F (10°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from a comfortable 61.7°F (16.5°C) in October to a fresh 50°F (10°C). Weather in November »Weather in December
December, the first month of the winter in Chappaqua, is also an icy month, with an average temperature ranging between min 30.2°F (-1°C) and max 40.1°F (4.5°C). In Chappaqua, entering December brings a temperature decrement, reducing from November's cool 50°F (10°C) to a cold 40.1°F (4.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Chappaqua, NY
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure
Chappaqua, NY
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Chappaqua, NY
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.2mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Chappaqua, NY
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Chappaqua, NY
- Average rainfall in January:
1.26" - Average rainfall in February:
1.18" - Average rainfall in March:
1.69" - Average rainfall in April:
1.81" - Average rainfall in May:
2.01" - Average rainfall in June:
1.97"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.09" - Average rainfall in September:
1.5" - Average rainfall in October:
2.13" - Average rainfall in November:
1.73" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days
Chappaqua, NY
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
13 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Chappaqua, NY
- Average snowfall in January:
1.69" - Average snowfall in February:
2.24" - Average snowfall in March:
2.95" - Average snowfall in April:
0.12" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Chappaqua, NY
- Average snowfall days in January:
5.9 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
5 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
4.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chappaqua, NY
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Chappaqua, NY
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (12.1 days).
Average UV index
Chappaqua, NY
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, March, November and December (UV index 2).
Average cloud cover
Chappaqua, NY
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Chappaqua, NY
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).





