Climate and monthly weather forecastRock Stream, NY
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Rock Stream, New York, with an average temperature varying between 17.1°F (-8.3°C) and 28.4°F (-2°C). Rock Stream's coldest temperatures are experienced in January, with average high temperatures of 28.4°F (-2°C) and lows of 17.1°F (-8.3°C). Weather in January »Weather in February
February, the last month of the winter in Rock Stream, is also a subzero cold month, with an average temperature ranging between max 31.3°F (-0.4°C) and min 18.5°F (-7.5°C). The ushering in of February brings an average high-temperature of a still freezing cold 31.3°F (-0.4°C), closely mirroring the 28.4°F (-2°C) of January. Weather in February »Weather in March
March, the first month of the spring in Rock Stream, is a wintry month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 40.6°F (4.8°C). Rock Stream sees a rise in temperature during March, with average high-temperatures transitioning from a subzero cold 31.3°F (-0.4°C) in February to an icy 40.6°F (4.8°C). Weather in March »Weather in April
April in Rock Stream, New York, is a cool spring month, with an average temperature fluctuating between 53.4°F (11.9°C) and 35.4°F (1.9°C). As April begins, there is an increase in the average high-temperature, moving from a cold 40.6°F (4.8°C) in March to a cool 53.4°F (11.9°C). Weather in April »Weather in May
May, the last month of the spring in Rock Stream, is a refreshing month, with an average temperature ranging between max 66.9°F (19.4°C) and min 46.9°F (8.3°C). Rock Stream's transition into May is marked by a temperature shift, moving from a cool 53.4°F (11.9°C) in April to a refreshing 66.9°F (19.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Rock Stream, New York, with an average temperature varying between 73.6°F (23.1°C) and 53.2°F (11.8°C). With the onset of June, Rock Stream's average high-temperature experiences a slight rise, moving from May's enjoyable 66.9°F (19.4°C) to a warm 73.6°F (23.1°C). Weather in June »Weather in July
July, like June, in Rock Stream, New York, is another warm summer month, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.3°F (14.6°C). In Rock Stream, the peak average temperatures are observed in July, with a high of 79.3°F (26.3°C) and a low of 58.3°F (14.6°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rock Stream, New York, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 56.7°F (13.7°C). July's transformation into August witnesses an average high-temperature of a still moderately hot 77.2°F (25.1°C), noting a minor change from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Rock Stream, is still a pleasant month, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 50.9°F (10.5°C). With the onset of September, Rock Stream experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 77.2°F (25.1°C) in August to an agreeable 70.5°F (21.4°C). Weather in September »Weather in October
October, the same as September, in Rock Stream, New York, is another mild autumn month, with an average temperature fluctuating between 42.3°F (5.7°C) and 57.6°F (14.2°C). Arrival of October comes with a reduction in the average high-temperature, falling from a pleasant 70.5°F (21.4°C) in September to a mild 57.6°F (14.2°C). Weather in October »Weather in November
November, the last month of the autumn in Rock Stream, is another chilly month, with temperature in the range of an average low of 31.6°F (-0.2°C) and an average high of 44.6°F (7°C). The onset of November comes with a shift in the average high-temperature, falling from a refreshing 57.6°F (14.2°C) in October to a chilly 44.6°F (7°C). Weather in November »Weather in December
December, the first month of the winter in Rock Stream, is also an icy month, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 25.2°F (-3.8°C). Rock Stream, New York, experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 44.6°F (7°C) in November to a wintry 34.7°F (1.5°C). Weather in December »Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest period is January, when temperatures fluctuate between an average high of 28.4°F (-2°C) and a low of 17.1°F (-8.3°C).
January is the month with the least rainfall in Rock Stream. Rain falls for 8.9 days and accumulates 1.89" (48mm) of precipitation.
Throughout the year, there are 168.6 rainfall days, and 29.69" (754mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Rock Stream.
Throughout the year, there are 84 snowfall days, and 38.7" (983mm) of snow is accumulated.
The months with the lowest UV index in Rock Stream, New York, are January and December, with an average maximum UV index of 1.
February is the most humid month in Rock Stream, New York, with an average relative humidity of 86%.
February is the month with the most snowfall in Rock Stream. Snow falls for 18.3 days and accumulates 9.02" (229mm) of snow.
The month with the least sunshine in Rock Stream is February, with an average of 2.9h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rock Stream, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April, May and July, with an average relative humidity of 78%, are the least humid months in Rock Stream, New York.
May through August, with an average maximum UV index of 5, are months with the highest UV index in Rock Stream.
June through September are months without snowfall in Rock Stream.
The month with the longest days is June, with an average of 15h and 12min of daylight.
July, marked by an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 58.3°F (14.6°C), is the warmest month in Rock Stream.
The month with the most sunshine in Rock Stream, New York, is July, with an average of 10.2h of sunshine.
October is the month with the most rainfall in Rock Stream. Rain falls for 15.9 days and accumulates 3.07" (78mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Rock Stream, NY
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure
Rock Stream, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Rock Stream, NY
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.5mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Rock Stream, NY
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and July (78%).
Average rainfall
Rock Stream, NY
- Average rainfall in January:
1.89" - Average rainfall in February:
2.2" - Average rainfall in March:
2.13" - Average rainfall in April:
2.87" - Average rainfall in May:
2.83" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.56" - Average rainfall in September:
2.13" - Average rainfall in October:
3.07" - Average rainfall in November:
1.93" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days
Rock Stream, NY
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (8.1 days).
Average snowfall
Rock Stream, NY
- Average snowfall in January:
7.13" - Average snowfall in February:
9.02" - Average snowfall in March:
6.06" - Average snowfall in April:
3.15" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rock Stream, NY
- Average snowfall days in January:
19.2 days - Average snowfall days in February:
18.3 days - Average snowfall days in March:
13.9 days - Average snowfall days in April:
5.3 days - Average snowfall days in May:
0.6 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:
1.5 days - Average snowfall days in November:
9.3 days - Average snowfall days in December:
15.9 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rock Stream, 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 54min - 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:
3h and 0min - Average sunshine in February:
2h and 54min - Average sunshine in March:
4h and 54min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days
Rock Stream, NY
- Average sunshine days in January:
7.9 days - Average sunshine days in February:
6.9 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
15 days - Average sunshine days in October:
12 days - Average sunshine days in November:
12.3 days - Average sunshine days in December:
8.4 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.9 days).
Average UV index
Rock Stream, 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 and December (UV index 1).
Average cloud cover
Rock Stream, NY
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility
Rock Stream, NY
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (5mi).
