Expand
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, the same as December, in Grafton, New York, is another subzero cold winter month, with an average temperature ranging between min 16.5°F (-8.6°C) and max 28.6°F (-1.9°C). Grafton reaches its lowest average temperatures in January, measuring 28.6°F (-1.9°C) at the peak and 16.5°F (-8.6°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Grafton, New York, with an average temperature fluctuating between 31.6°F (-0.2°C) and 18°F (-7.8°C). A minimal variation is noted in Grafton's average high-temperature at the onset of February, reaching a still freezing cold 31.6°F (-0.2°C) from January's 28.6°F (-1.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Grafton, New York, with an average temperature fluctuating between 25.5°F (-3.6°C) and 40.6°F (4.8°C). As March arrives, Grafton's weather shows an increase in high-temperatures, moving from February's freezing cold 31.6°F (-0.2°C) to a wintry 40.6°F (4.8°C). Weather in March »
Weather in April
April is a cool spring month in Grafton, New York, with an average temperature varying between 36°F (2.2°C) and 54°F (12.2°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's wintry 40.6°F (4.8°C) to a fresh 54°F (12.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Grafton, New York, with an average temperature varying between 67.3°F (19.6°C) and 46.6°F (8.1°C). May sees a rise in the average high-temperature, climbing from a fresh 54°F (12.2°C) in April to an enjoyable 67.3°F (19.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Grafton, New York, with an average temperature fluctuating between 74.8°F (23.8°C) and 53.2°F (11.8°C). With the onset of June, Grafton's weather sees a minor temperature rise, transitioning from a refreshing 67.3°F (19.6°C) in May to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, like June, in Grafton, New York, is a moderately hot summer month, with an average temperature fluctuating between 81°F (27.2°C) and 59°F (15°C). July is the month when Grafton's temperatures reach their peak, with averages of 81°F (27.2°C) and lows of 59°F (15°C). The heat index value for July is computed to be a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Grafton, New York, with an average temperature ranging between max 78.6°F (25.9°C) and min 57.6°F (14.2°C). Grafton records an average high-temperature of a still moderately hot 78.6°F (25.9°C) in August, closely mirroring the climate of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Grafton, New York, with an average temperature fluctuating between 50.9°F (10.5°C) and 71.2°F (21.8°C). A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 78.6°F (25.9°C) in August to an agreeable 71.2°F (21.8°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Grafton, New York, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 57.9°F (14.4°C). With the onset of October, Grafton experiences a modest temperature adjustment, with the average high-temperature receding from a pleasant 71.2°F (21.8°C) in September to a moderate 57.9°F (14.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Grafton, New York, with an average temperature ranging between min 31.8°F (-0.1°C) and max 45°F (7.2°C). Grafton's November weather comes with a decrease in average high-temperatures, moving from a moderate 57.9°F (14.4°C) in October to a frosty 45°F (7.2°C). Weather in November »
Weather in December
December, the first month of the winter in Grafton, is also an icy month, with temperature in the range of an average high of 34.2°F (1.2°C) and an average low of 23.9°F (-4.5°C). A subtle decrease in the average high-temperature marks December, falling from November's frosty 45°F (7.2°C) to a cold 34.2°F (1.2°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
What part of the year is the coldest in Grafton?
Grafton reaches its average lowest temperatures in January, measuring 28.6°F (-1.9°C) at the peak and 16.5°F (-8.6°C) at the lowest.
What is the driest month in Grafton?
The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 1.5" (38mm) of precipitation.
How many days does it rain in Grafton?
Throughout the year, there are 140.6 rainfall days, and 24.17" (614mm) of precipitation is accumulated.
When does it snow in Grafton?
Months with snowfall are January through May, October through December.
How many days does it snow in Grafton?
In Grafton, during the entire year, snow falls for 44.8 days and aggregates up to 23.27" (591mm) of snow.
When is the lowest UV index in Grafton?
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month in Grafton?
The most humid month in Grafton is February, with an average relative humidity of 83%.
When does it snow the most in Grafton?
February is the month with the most snowfall in Grafton, New York. Snow falls for 11.2 days and accumulates 5.83" (148mm) of snow.
What is the month with the least sunshine in Grafton?
February has the least sunshine of the year in Grafton, New York, with an average of 3.8h of sunshine.
When is Daylight Saving Time (DST) in Grafton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grafton, 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.
What is the least humid month in Grafton?
With an average relative humidity of 74%, April is the least humid month.
What is the rainiest month in Grafton?
The wettest months in Grafton are May and October, with an average 2.52" (64mm) of rainfall.
What is the month with the highest UV index in Grafton?
The months with the highest UV index in Grafton, New York, are May through August, with an average maximum UV index of 5.
When it does not snow in Grafton?
In Grafton, New York, snow does not fall in June through September.
When are the longest days in Grafton?
June has the longest days of the year in Grafton, with an average of 15h and 18min of daylight.
What time of the year is the hottest in Grafton?
July, with average temperatures reaching a high of 81°F (27.2°C) and a low of 59°F (15°C), is the warmest month in Grafton, New York.
What month has the most sunshine in Grafton?
July has the most sunshine of the year in Grafton, with an average of 10.5h of sunshine.
What is the month with the shortest days in Grafton?
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
Grafton, NY
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.6°F).
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure
Grafton, 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
Grafton, NY
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.2mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.8mph
- 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:
7.8mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Grafton, NY
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Grafton, NY
- Average rainfall in January:
1.5" - Average rainfall in February:
1.61" - Average rainfall in March:
1.61" - Average rainfall in April:
2.13" - Average rainfall in May:
2.52" - Average rainfall in June:
2.36"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.13" - Average rainfall in September:
1.69" - Average rainfall in October:
2.52" - Average rainfall in November:
1.85" - Average rainfall in December:
1.89"
The wettest months (with the highest rainfall) are May and October (2.52").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days
Grafton, NY
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Grafton, NY
- Average snowfall in January:
4.8" - Average snowfall in February:
5.83" - Average snowfall in March:
4.65" - Average snowfall in April:
0.83" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grafton, NY
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
2.3 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:
0.4 days - Average snowfall days in November:
3.8 days - Average snowfall days in December:
7.9 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grafton, NY
- Average daylight in January:
9h and 3min - 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 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 5min - Average daylight in December:
9h and 1min
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 6min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
Grafton, NY
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
17 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index
Grafton, 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, February, March, October, November and December (UV index 2).
Average cloud cover
Grafton, 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 33).
Average visibility
Grafton, 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).
Grafton, New York, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location