Climate and monthly weather forecastArmonk, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Armonk, New York, with an average temperature fluctuating between 35.2°F (1.8°C) and 25°F (-3.9°C). Armonk, New York, notes the coldest temperatures in January, with a high average of 35.2°F (1.8°C) and a low of 25°F (-3.9°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Armonk, New York, with an average temperature fluctuating between 26.1°F (-3.3°C) and 37.9°F (3.3°C). February reports an average high-temperature of a still cold 37.9°F (3.3°C), slightly varied from January's 35.2°F (1.8°C). Weather in February »Weather in March
March, the first month of the spring in Armonk, is a frosty month, with an average temperature fluctuating between 45.1°F (7.3°C) and 33.1°F (0.6°C). In March, the meteorological conditions subtly change with the average high-temperature edging from an icy 37.9°F (3.3°C) in February to a frosty 45.1°F (7.3°C). Weather in March »Weather in April
April is a refreshing spring month in Armonk, New York, with an average temperature ranging between max 56.8°F (13.8°C) and min 42.8°F (6°C). April's onset brings a temperature rise, moving from a chilly 45.1°F (7.3°C) in March to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
May, the last month of the spring in Armonk, is a comfortable month, with an average temperature varying between 52.3°F (11.3°C) and 67.5°F (19.7°C). May's onset is marked by a temperature increase, moving from a mild 56.8°F (13.8°C) in April to an enjoyable 67.5°F (19.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Armonk, New York, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 61.2°F (16.2°C). In June, the meteorological conditions subtly change with the average high-temperature edging from a comfortable 67.5°F (19.7°C) in May to a moderately hot 75.9°F (24.4°C). Weather in June »Weather in July
July, like June, in Armonk, New York, is another warm summer month, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 82.8°F (28.2°C). Armonk's warmest temperatures are experienced in July, with average high temperatures of 82.8°F (28.2°C) and lows of 68.2°F (20.1°C). In July, the heat index is appraised at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Armonk, New York, with an average temperature ranging between min 67.3°F (19.6°C) and max 81.1°F (27.3°C). Armonk signifies an average high-temperature of a still moderately hot 81.1°F (27.3°C) in August, closely mirroring the 82.8°F (28.2°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Armonk, New York, with an average temperature ranging between min 60.6°F (15.9°C) and max 73.9°F (23.3°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a warm 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 Armonk, New York, with an average temperature fluctuating between 62.2°F (16.8°C) and 50.7°F (10.4°C). October's arrival comes with a decrease in the average high-temperature, moving from a warm 73.9°F (23.3°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Armonk, is also a fresh month, with an average temperature ranging between max 50.5°F (10.3°C) and min 39.2°F (4°C). A shift in Armonk's weather is observed as October turns into November, with the average high temperature reducing from a refreshing 62.2°F (16.8°C) to a cool 50.5°F (10.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Armonk, New York, with an average temperature varying between 31.8°F (-0.1°C) and 41.5°F (5.3°C). In Armonk, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 50.5°F (10.3°C) to an icy 41.5°F (5.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Armonk, NY
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure
Armonk, 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:
30.05"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
Armonk, NY
- Average wind speed in January:
9.2mph - Average wind speed in February:
8.9mph - Average wind speed in March:
9mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity
Armonk, NY
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall
Armonk, NY
- Average rainfall in January:
2.44" - Average rainfall in February:
2.32" - Average rainfall in March:
2.83" - Average rainfall in April:
2.99" - Average rainfall in May:
2.76" - Average rainfall in June:
2.91"
- Average rainfall in July:
3.74" - Average rainfall in August:
3.11" - Average rainfall in September:
2.2" - Average rainfall in October:
3.27" - Average rainfall in November:
2.76" - Average rainfall in December:
3.98"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days
Armonk, NY
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
15.6 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall
Armonk, NY
The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Armonk, NY
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
0.7 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:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
4.7 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Armonk, 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 6min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - 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
Armonk, NY
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Armonk, 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
Armonk, NY
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Armonk, 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).





