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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is a wintry winter month in Roslyn, New York, with an average temperature fluctuating between 27.3°F (-2.6°C) and 36.5°F (2.5°C). Roslyn's coldest month, January, generally records average temperatures ranging from a high of 36.5°F (2.5°C) to a low of 27.3°F (-2.6°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Roslyn, New York, with an average temperature ranging between max 39°F (3.9°C) and min 28.8°F (-1.8°C). As Roslyn transitions into February, the average high-temperature stands at a still cold 39°F (3.9°C), offering little variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Roslyn, New York, with an average temperature fluctuating between 35.2°F (1.8°C) and 45.1°F (7.3°C). March introduces a minor temperature shift, with average high-temperatures adjusting from February's wintry 39°F (3.9°C) to a frosty 45.1°F (7.3°C). Weather in March »
Weather in April
April in Roslyn, New York, is a fresh spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 55°F (12.8°C). April brings a temperature change, with average high-temperatures moving from March's frosty 45.1°F (7.3°C) to a cool 55°F (12.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Roslyn, New York, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 65.3°F (18.5°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a fresh 55°F (12.8°C) in April to a refreshing 65.3°F (18.5°C). Weather in May »
Weather in June
June, the first month of the summer in Roslyn, is a moderately hot month, with an average temperature ranging between min 63.1°F (17.3°C) and max 74.5°F (23.6°C). In Roslyn, the onset of June comes with an increased average high-temperature, moving from May's comfortable 65.3°F (18.5°C) to a moderately hot 74.5°F (23.6°C). Weather in June »
Weather in July
July, like June, in Roslyn, New York, is another warm summer month, with an average temperature fluctuating between 70.3°F (21.3°C) and 81.5°F (27.5°C). Roslyn's warmest weather arrives in July, when temperatures average a high of 81.5°F (27.5°C) and a low of 70.3°F (21.3°C). July's heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Roslyn, is another warm month, with an average temperature varying between 70.3°F (21.3°C) and 80.4°F (26.9°C). August observes an average high-temperature of a still warm 80.4°F (26.9°C), marking an insignificant difference from July's 81.5°F (27.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Roslyn, is also a moderately hot month, with an average temperature ranging between max 73.4°F (23°C) and min 63.5°F (17.5°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 80.4°F (26.9°C) in August to a still warm 73.4°F (23°C). Weather in September »
Weather in October
October, like September, in Roslyn, New York, is another refreshing autumn month, with an average temperature fluctuating between 63°F (17.2°C) and 53.4°F (11.9°C). Setting in of October comes with a decrease in the average high-temperature, moving from a moderately hot 73.4°F (23°C) in September to a refreshing 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Roslyn, New York, with an average temperature varying between 51.1°F (10.6°C) and 42.3°F (5.7°C). November brings a drop in Roslyn's average high-temperature, falling from a comfortable 63°F (17.2°C) in October to a fresh 51.1°F (10.6°C). Weather in November »
Weather in December
December, the first month of the winter in Roslyn, is still a cold month, with an average temperature ranging between max 42.4°F (5.8°C) and min 34.7°F (1.5°C). The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a fresh 51.1°F (10.6°C) in November to a wintry 42.4°F (5.8°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Roslyn?
January is the month when Roslyn experiences its coldest temperatures, averaging a high of 36.5°F (2.5°C) and a low of 27.3°F (-2.6°C).
How many days does it rain in Roslyn?
In Roslyn, New York, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.
When does it snow in Roslyn?
January through April, November and December are months with snowfall in Roslyn, New York.
How many days does it snow in Roslyn?
In Roslyn, New York, during the entire year, snow falls for 22.2 days and aggregates up to 7.24" (184mm) of snow.
When is the lowest UV index in Roslyn?
The months with the lowest UV index in Roslyn, New York, are January through March, November and December, with an average maximum UV index of 2.
What are the most humid months in Roslyn?
The months with the highest humidity in Roslyn are February, May and December, with an average relative humidity of 75%.
When is the ocean coldest in Roslyn?
With an average ocean temperature of 39.9°F (4.4°C), February is the month with the coldest seawater in Roslyn, New York.
What is the month with the least sunshine in Roslyn?
February has the least sunshine of the year in Roslyn, New York, with an average of 4.8h of sunshine.
What is the snowiest month in Roslyn?
March is the month with the most snowfall in Roslyn. Snow falls for 4.7 days and accumulates 2.01" (51mm) of snow.
When is Daylight Saving Time (DST) in Roslyn?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Roslyn, New York, 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.
When it does not snow in Roslyn?
In Roslyn, snow does not fall in May through October.
When are the longest days in Roslyn?
With an average of 15h and 6min of daylight, June has the longest days of the year in Roslyn, New York.
When is the highest UV index in Roslyn?
The months with the highest UV index in Roslyn, New York, are June through August, with an average maximum UV index of 6.
What are the warmest months in Roslyn?
Roslyn's temperatures peak on average in July, reaching 81.5°F (27.5°C) at their highest and 70.3°F (21.3°C) at their lowest.
What month has the most sunshine in Roslyn?
The month with the most sunshine in Roslyn is July, with an average of 10.7h of sunshine.
What are the least humid months in Roslyn?
August and November, with an average relative humidity of 71%, are the least humid months.
What is the month with the warmest ocean in Roslyn?
August is the month with the warmest seawater in Roslyn, with an average ocean temperature of 74.1°F (23.4°C).
What is the driest month in Roslyn?
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 2.4" (61mm) of precipitation.
What is the rainiest month in Roslyn?
December is the month with the most rainfall. Rain falls for 12.9 days and accumulates 4.06" (103mm) of precipitation.
What is the month with the shortest days in Roslyn?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Roslyn, NY
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Roslyn, 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
Roslyn, NY
- Average wind speed in January:
11.2mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10.7mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.3mph - Average wind speed in October:
10mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.8mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Roslyn, NY
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall
Roslyn, NY
- Average rainfall in January:
2.48" - Average rainfall in February:
2.48" - Average rainfall in March:
2.99" - Average rainfall in April:
3.23" - Average rainfall in May:
3.11" - Average rainfall in June:
3.07"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days
Roslyn, NY
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Roslyn, NY
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Roslyn, NY
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
6 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature
Roslyn, NY
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight / Average sunshine
Roslyn, NY
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Roslyn, NY
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
18 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index
Roslyn, 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
Roslyn, NY
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility
Roslyn, 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).
Roslyn, New York, USA
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