Climate and monthly weather forecastHarriman, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Harriman, New York, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 20.7°F (-6.3°C). In Harriman, January records the lowest average temperatures, peaking at 33.3°F (0.7°C) and reaching a low of 20.7°F (-6.3°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Harriman, New York, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 22.1°F (-5.5°C). The start of February marks an average high-temperature of a still cold 37°F (2.8°C), hardly distinguishable from the conditions in January. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Harriman, New York, with an average temperature ranging between min 29.5°F (-1.4°C) and max 44.8°F (7.1°C). In Harriman, the average high-temperature in March slightly increases from an icy 37°F (2.8°C) in February to a frosty 44.8°F (7.1°C). Weather in March »Weather in April
April in Harriman, New York, is a mild spring month, with an average temperature varying between 57.4°F (14.1°C) and 39.7°F (4.3°C). A shift in the average high-temperature is noticeable in April, changing from a frosty 44.8°F (7.1°C) in March to a moderate 57.4°F (14.1°C). Weather in April »Weather in May
May, the last month of the spring in Harriman, is an agreeable month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 69.3°F (20.7°C). Harriman's weather shows a temperature rise with the arrival of May, moving from a mild 57.4°F (14.1°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »Weather in June
June, the first month of the summer in Harriman, is a moderately hot month, with an average temperature varying between 56.5°F (13.6°C) and 77.4°F (25.2°C). With the onset of June, Harriman observes a minor temperature ascent, with the average high-temperature adjusting from May's agreeable 69.3°F (20.7°C) to a moderately hot 77.4°F (25.2°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Harriman, New York, with an average temperature ranging between max 83.1°F (28.4°C) and min 62.6°F (17°C). July is the month that records the highest temperatures, with averages ranging from a high of 83.1°F (28.4°C) to a low of 62.6°F (17°C). The heat index for July is calculated to be a hot 89.6°F (32°C). Weather in July »Weather in August
August, the last month of the summer in Harriman, is also a moderately hot month, with an average temperature ranging between min 61.2°F (16.2°C) and max 81.5°F (27.5°C). The high-temperature average in August for Harriman is a still warm 81.5°F (27.5°C), staying closely aligned with July's conditions. Weather in August »Weather in September
September, the first month of the autumn in Harriman, is still a warm month, with an average temperature varying between 54.9°F (12.7°C) and 74.1°F (23.4°C). Harriman's September weather features a light decline in high-temperatures, reducing from a warm 81.5°F (27.5°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »Weather in October
October, like September, in Harriman, New York, is another comfortable autumn month, with an average temperature fluctuating between 61.5°F (16.4°C) and 45.5°F (7.5°C). The onset of October results in a decrease in the average high-temperature, receding from a warm 74.1°F (23.4°C) in September to an enjoyable 61.5°F (16.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Harriman, New York, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 48.6°F (9.2°C). November's arrival comes with a decrease in the average high-temperature, moving from a refreshing 61.5°F (16.4°C) in October to a frosty 48.6°F (9.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Harriman, New York, with an average temperature fluctuating between 38.8°F (3.8°C) and 27.3°F (-2.6°C). The arrival of December corresponds with a temperature reduction, down from November's frosty 48.6°F (9.2°C) to an icy 38.8°F (3.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harriman, NY
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Harriman, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.06"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
Harriman, NY
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.1mph - Average wind speed in April:
6.9mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5mph - Average wind speed in October:
6mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Harriman, NY
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Harriman, NY
- Average rainfall in January:
1.46" - Average rainfall in February:
1.54" - Average rainfall in March:
1.97" - Average rainfall in April:
2.13" - Average rainfall in May:
2.64" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.68" - Average rainfall in August:
1.85" - Average rainfall in September:
1.54" - Average rainfall in October:
2.48" - Average rainfall in November:
2.01" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days
Harriman, NY
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall
Harriman, NY
- Average snowfall in January:
4.17" - Average snowfall in February:
4.29" - Average snowfall in March:
3.74" - Average snowfall in April:
0.47" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harriman, NY
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.2 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:
0.5 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harriman, NY
- Average daylight in January:
9h and 36min - 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 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 0min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
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 30min).
Average sunshine days
Harriman, NY
- Average sunshine days in January:
21 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.8 days).
Average UV index
Harriman, 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
Harriman, NY
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility
Harriman, NY
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).





