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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Alton, New York, with an average temperature fluctuating between 29.7°F (-1.3°C) and 21°F (-6.1°C). January is the coldest month, exhibiting average temperatures of 29.7°F (-1.3°C) at the peak and 21°F (-6.1°C) at the base. Weather in January »
Weather in February
February, the last month of the winter in Alton, is another freezing cold month, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 22.3°F (-5.4°C). As February takes hold, the average high-temperature is a still subzero cold 31.6°F (-0.2°C), nearly mirroring that of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Alton, New York, with an average temperature varying between 29.1°F (-1.6°C) and 38.8°F (3.8°C). In March, the average high-temperature marginally rises from a subzero cold 31.6°F (-0.2°C) in February to an icy 38.8°F (3.8°C). Weather in March »
Weather in April
April is a chilly spring month in Alton, New York, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 38.1°F (3.4°C). Alton's transition into April is marked by a temperature shift, moving from an icy 38.8°F (3.8°C) in March to a chilly 49.6°F (9.8°C). Weather in April »
Weather in May
May, the last month of the spring in Alton, is a moderate month, with an average temperature fluctuating between 60.6°F (15.9°C) and 48.7°F (9.3°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a frosty 49.6°F (9.8°C) to a mild 60.6°F (15.9°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Alton, New York, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 69.1°F (20.6°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's moderate 60.6°F (15.9°C) to an agreeable 69.1°F (20.6°C). Weather in June »
Weather in July
July is a warm summer month in Alton, New York, with an average temperature varying between 64.2°F (17.9°C) and 76.5°F (24.7°C). In Alton, July is identified by the highest average temperatures, reaching a peak of 76.5°F (24.7°C) and a low of 64.2°F (17.9°C). Weather in July »
Weather in August
August, the last month of the summer in Alton, is another warm month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 75.9°F (24.4°C). Transitioning into August, Alton experiences an average high-temperature of a still moderately hot 75.9°F (24.4°C), marking a minor shift from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Alton, New York, with an average temperature varying between 70.2°F (21.2°C) and 57.9°F (14.4°C). The shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 70.2°F (21.2°C) from a warm 75.9°F (24.4°C). Weather in September »
Weather in October
October, the same as September, in Alton, New York, is a moderate autumn month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 58.1°F (14.5°C). In October, the average high-temperature decreases from a pleasant 70.2°F (21.2°C) in September to a mild 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Alton, New York, with an average temperature ranging between max 45.9°F (7.7°C) and min 36.5°F (2.5°C). In Alton, the beginning of November is marked by a lowered average high-temperature, shifting from October's refreshing 58.1°F (14.5°C) to a frosty 45.9°F (7.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Alton, New York, with an average temperature varying between 28.8°F (-1.8°C) and 36.1°F (2.3°C). December comes with a decrease in the average high-temperature, falling from a frosty 45.9°F (7.7°C) in November to an icy 36.1°F (2.3°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Alton?
Alton's January weather, with an average high temperature of 29.7°F (-1.3°C) and an average low temperature of 21°F (-6.1°C), tends to be the coldest of the year.
What are the most humid months in Alton?
The months with the highest humidity in Alton are January and February, with an average relative humidity of 83%.
What is the driest month in Alton?
January is the month with the least rainfall in Alton. Rain falls for 8.3 days and accumulates 2.05" (52mm) of precipitation.
How much does it rain in Alton?
Throughout the year, in Alton, New York, there are 171.8 rainfall days, and 32.76" (832mm) of precipitation is accumulated.
When does it snow in Alton?
Months with snowfall in Alton, New York, are January through May, October through December.
How much does it snow in Alton?
In Alton, New York, during the entire year, snow falls for 67.1 days and aggregates up to 22.99" (584mm) of snow.
What is the month with the least sunshine in Alton?
The month with the least sunshine is January, with an average of 2.6h of sunshine.
When is the lowest UV index in Alton?
The months with the lowest UV index in Alton, New York, are January and December, with an average maximum UV index of 1.
What is the snowiest month in Alton?
February is the month with the most snowfall. Snow falls for 15.1 days and accumulates 6.26" (159mm) of snow.
When is Daylight Saving Time (DST) in Alton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alton, 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 Alton?
June through September are months without snowfall.
When are the longest days in Alton?
June has the longest days of the year, with an average of 15h and 18min of daylight.
What is the warmest month in Alton?
Temperature records mark July as the warmest month, with highs averaging 76.5°F (24.7°C) and lows at 64.2°F (17.9°C).
What month has the most sunshine in Alton?
With an average of 10.8h of sunshine, July has the most sunshine of the year in Alton, New York.
What is the month with the highest UV index in Alton?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the least humid month in Alton?
The least humid month in Alton, New York, is September, with an average relative humidity of 76%.
What is the wettest month in Alton?
October is the month with the most rainfall in Alton, New York. Rain falls for 17.8 days and accumulates 3.62" (92mm) of precipitation.
What is the month with the shortest days in Alton?
December has the shortest days of the year in Alton, with an average of 9h and 0min of daylight.
Average temperature
Alton, NY
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Alton, NY
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"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
Alton, NY
- Average wind speed in January:
13.1mph - Average wind speed in February:
12.9mph - Average wind speed in March:
11.7mph - Average wind speed in April:
11.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.8mph - Average wind speed in October:
11mph - Average wind speed in November:
12mph - Average wind speed in December:
12.6mph
The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Alton, NY
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (76%).
Average rainfall
Alton, NY
- Average rainfall in January:
2.05" - Average rainfall in February:
2.13" - Average rainfall in March:
2.09" - Average rainfall in April:
2.91" - Average rainfall in May:
3.46" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.99" - Average rainfall in September:
2.32" - Average rainfall in October:
3.62" - Average rainfall in November:
2.52" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Alton, NY
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
17.8 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall
Alton, NY
- Average snowfall in January:
4.17" - Average snowfall in February:
6.26" - Average snowfall in March:
2.44" - Average snowfall in April:
1.14" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Alton, NY
- Average snowfall days in January:
16.6 days - Average snowfall days in February:
15.1 days - Average snowfall days in March:
10.3 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.5 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:
0.7 days - Average snowfall days in November:
6.1 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Alton, NY
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 4min - Average sunshine in February:
2h and 4min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days
Alton, NY
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
12.4 days - Average sunshine days in October:
9.7 days - Average sunshine days in November:
10 days - Average sunshine days in December:
7 days
The month with the most sunshine days is May (12.7 days).
The month with the least sunshine days is February (6.3 days).
Average UV index
Alton, NY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Alton, NY
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Alton, NY
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Alton, New York, USA
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