Climate and monthly weather forecastTappan, NY
Climate and monthly weather forecast
Weather in January
January, like December, in Tappan, New York, is another cold winter month, with an average temperature fluctuating between 35.4°F (1.9°C) and 24.1°F (-4.4°C). Tappan's coldest weather arrives in January, when temperatures average a high of 35.4°F (1.9°C) and a low of 24.1°F (-4.4°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Tappan, New York, with an average temperature varying between 38.8°F (3.8°C) and 25.7°F (-3.5°C). With the onset of February, Tappan's average high-temperature clocks in at a still wintry 38.8°F (3.8°C), showing a minor fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in Tappan, is a chilly month, with an average temperature varying between 32.7°F (0.4°C) and 46.6°F (8.1°C). March introduces a marginal temperature uplift, with average high-temperatures adjusting from February's cold 38.8°F (3.8°C) to a frosty 46.6°F (8.1°C). Weather in March »Weather in April
April is a moderate spring month in Tappan, New York, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 43.2°F (6.2°C). An escalation in the average high-temperature is seen with the onset of April, moving from a frosty 46.6°F (8.1°C) in March to a refreshing 58.3°F (14.6°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Tappan, New York, with an average temperature fluctuating between 69.6°F (20.9°C) and 52.7°F (11.5°C). With the beginning of May, Tappan's average high-temperature sees an increase, transitioning from a refreshing 58.3°F (14.6°C) in April to an agreeable 69.6°F (20.9°C). Weather in May »Weather in June
June, the first month of the summer in Tappan, is a moderately hot month, with an average temperature fluctuating between 60.6°F (15.9°C) and 78.4°F (25.8°C). June's onset brings a minor rise in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in May to a warm 78.4°F (25.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Tappan, New York, with an average temperature ranging between max 84.9°F (29.4°C) and min 68°F (20°C). Tappan's warmest month, July, registers temperatures that range from a high of 84.9°F (29.4°C) to a low of 68°F (20°C). The heat index for July is calculated to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Tappan, is another warm month, with an average temperature ranging between max 82.9°F (28.3°C) and min 67.3°F (19.6°C). The arrival of August sees a recorded average high-temperature of a still moderately hot 82.9°F (28.3°C), showing little divergence from the previous month's conditions. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Tappan, New York, with an average temperature varying between 75.4°F (24.1°C) and 59.9°F (15.5°C). September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 82.9°F (28.3°C) in August to a still moderately hot 75.4°F (24.1°C). Weather in September »Weather in October
October, like September, in Tappan, New York, is another comfortable autumn month, with an average temperature varying between 63.1°F (17.3°C) and 50.2°F (10.1°C). In Tappan, the average high-temperature in October decreases from a moderately hot 75.4°F (24.1°C) in September to a refreshing 63.1°F (17.3°C). Weather in October »Weather in November
November, the last month of the autumn in Tappan, is another cool month, with an average temperature varying between 38.5°F (3.6°C) and 50.9°F (10.5°C). The onset of November brings a small change in high-temperatures, falling from a comfortable 63.1°F (17.3°C) in October to a cool 50.9°F (10.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Tappan, New York, with an average temperature ranging between min 30.9°F (-0.6°C) and max 41.7°F (5.4°C). In December, the average high-temperature goes from a fresh 50.9°F (10.5°C) in November to a cold 41.7°F (5.4°C). Weather in December »Updated: Aug 18, 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
In Tappan, January records the average lowest temperatures, peaking at 35.4°F (1.9°C) and reaching a low of 24.1°F (-4.4°C).
In Tappan, during the entire year, the rain falls for 153.9 days and collects up to 30.75" (781mm) of precipitation.
January through April, November and December are months with snowfall in Tappan.
In Tappan, during the entire year, snow falls for 25.5 days and aggregates up to 10.55" (268mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
The most humid month is February, with an average relative humidity of 77%.
With an average of 4.6h of sunshine, February has the least sunshine of the year in Tappan.
The month with the most snowfall is March, when snow falls for 5.4 days and typically aggregates up to 3.07" (78mm) of snow.
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.
May through October are months without snowfall.
With an average of 15h and 6min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July is the warmest month, with the temperature often reaching an average high of 84.9°F (29.4°C) and an average low of 68°F (20°C).
July has the most sunshine of the year, with an average of 10.3h of sunshine.
August is the least humid month, with an average relative humidity of 68%.
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.73" (44mm) of precipitation.
The month with the most rainfall is December, when the rain falls for 10.7 days and typically aggregates up to 3.46" (88mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Tappan, NY
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure
Tappan, 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
Tappan, NY
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.3mph
- 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:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Tappan, NY
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall
Tappan, NY
- Average rainfall in January:
2.2" - Average rainfall in February:
2.05" - Average rainfall in March:
2.76" - Average rainfall in April:
2.76" - Average rainfall in May:
2.68" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.68" - Average rainfall in August:
2.28" - Average rainfall in September:
1.73" - Average rainfall in October:
2.99" - Average rainfall in November:
2.48" - Average rainfall in December:
3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Tappan, NY
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
9 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
Tappan, NY
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Tappan, NY
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
5.4 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 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
4.6 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Tappan, 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 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 6min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Tappan, NY
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
17 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
16.8 days
The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).
Average UV index
Tappan, 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
Tappan, NY
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Tappan, 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).
