Climate and monthly weather forecastNassau, NY
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Nassau, New York, with an average temperature varying between 28.9°F (-1.7°C) and 16.5°F (-8.6°C). Nassau's temperature records reveal January as the coldest month, marked by average highs of 28.9°F (-1.7°C) and lows of 16.5°F (-8.6°C). Weather in January »Weather in February
The last month of the winter, February, is a cold month in Nassau, New York, with an average temperature ranging between max 32°F (0°C) and min 18°F (-7.8°C). Nassau transitions into February recording an average high-temperature of a wintry 32°F (0°C), closely aligning with the preceding month's temperature. Weather in February »Weather in March
The first month of the spring, March, is also an icy month in Nassau, New York, with temperature in the range of an average high of 41°F (5°C) and an average low of 25.2°F (-3.8°C). The onset of March brings a temperature shift, with the average high-temperature moving from a wintry 32°F (0°C) in February to a still icy 41°F (5°C). Weather in March »Weather in April
April in Nassau, New York, is a fresh spring month, with an average temperature ranging between min 35.8°F (2.1°C) and max 54.1°F (12.3°C). The beginning of April signals a rise in the average high-temperature, moving from an icy 41°F (5°C) in March to a cool 54.1°F (12.3°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Nassau, New York, with an average temperature ranging between min 46.6°F (8.1°C) and max 67.6°F (19.8°C). Nassau's weather shows a temperature rise with the arrival of May, moving from a fresh 54.1°F (12.3°C) in April to a comfortable 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Nassau, is a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 53.1°F (11.7°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from an enjoyable 67.6°F (19.8°C) in May to a warm 74.8°F (23.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Nassau, New York, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 58.6°F (14.8°C). July proves to be the warmest month, recording an average peak temperature of 81°F (27.2°C) and a minimum temperature of 58.6°F (14.8°C). Throughout July, the heat index is evaluated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Nassau, New York, with an average temperature ranging between min 57.2°F (14°C) and max 79.2°F (26.2°C). As Nassau transitions from July to August, the average high-temperatures adjust to a still moderately hot 79.2°F (26.2°C), nearly the same as the previous 81°F (27.2°C). Weather in August »Weather in September
September, the first month of the autumn in Nassau, is also an agreeable month, with an average temperature varying between 50.5°F (10.3°C) and 71.2°F (21.8°C). September witnesses a gentle descent in average high-temperature, descending from August's warm 79.2°F (26.2°C) to an agreeable 71.2°F (21.8°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Nassau, New York, with an average temperature ranging between min 43°F (6.1°C) and max 58.1°F (14.5°C). Nassau's progression into October includes a drop in the average high-temperature, from a pleasant 71.2°F (21.8°C) in September to a moderate 58.1°F (14.5°C). Weather in October »Weather in November
November, the last month of the autumn in Nassau, is also a frosty month, with an average temperature varying between 31.6°F (-0.2°C) and 45.3°F (7.4°C). Nassau in November demonstrates a small temperature transition, adjusting from an average high of a refreshing 58.1°F (14.5°C) in October to a frosty 45.3°F (7.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Nassau, New York, with an average temperature fluctuating between 24.1°F (-4.4°C) and 34.7°F (1.5°C). The shift to December brings a decrease in the average high-temperature, falling from a chilly 45.3°F (7.4°C) in November to a cold 34.7°F (1.5°C). Weather in December »Updated: Jun 4, 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 time of the year is January, with temperatures averaging a high of 28.9°F (-1.7°C) and a low of 16.5°F (-8.6°C).
The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 1.61" (41mm) of precipitation.
Throughout the year, there are 151.6 rainfall days, and 28.78" (731mm) of precipitation is accumulated.
January through May, October through December are months with snowfall in Nassau.
In Nassau, during the entire year, snow falls for 41.1 days and aggregates up to 18.9" (480mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
With an average relative humidity of 83%, February is the most humid month in Nassau.
The month with the most snowfall is February, when snow falls for 10.2 days and typically aggregates up to 5.12" (130mm) of snow.
The month with the least sunshine in Nassau is February, with an average of 3.8h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
With an average relative humidity of 75%, April is the least humid month.
May through August, with an average maximum UV index of 5, are months with the highest UV index.
In Nassau, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 12min of daylight.
Nassau reaches its average highest temperatures in July, measuring 81°F (27.2°C) at the peak and 58.6°F (14.8°C) at the lowest.
The month with the most rainfall is July, when the rain falls for 16.9 days and typically aggregates up to 3.19" (81mm) of precipitation.
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Nassau, NY
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure
Nassau, NY
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Nassau, NY
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Nassau, NY
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Nassau, NY
- Average rainfall in January:
1.61" - Average rainfall in February:
1.81" - Average rainfall in March:
1.81" - Average rainfall in April:
2.4" - Average rainfall in May:
3.03" - Average rainfall in June:
3.11"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days
Nassau, NY
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
11 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
Nassau, NY
- Average snowfall in January:
4.09" - Average snowfall in February:
5.12" - Average snowfall in March:
2.95" - Average snowfall in April:
0.39" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Nassau, NY
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
10.2 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.5 days - Average snowfall days in May:
0.3 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:
3 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Nassau, 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:
4h and 12min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
Nassau, NY
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Nassau, 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
Nassau, NY
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility
Nassau, NY
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
