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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 another subzero cold winter month in Grafton, New Hampshire, with an average temperature fluctuating between 12.7°F (-10.7°C) and 25.9°F (-3.4°C). Grafton's January weather, marked by an average high temperature of 25.9°F (-3.4°C) and an average low temperature of 12.7°F (-10.7°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Grafton, New Hampshire, with temperature in the range of an average low of 14.4°F (-9.8°C) and an average high of 28.8°F (-1.8°C). Grafton commences February with an average high-temperature of a still freezing cold 28.8°F (-1.8°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Grafton, is a wintry month, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 37°F (2.8°C). A soft shift in the average high-temperature is noticeable in March, transitioning from a subzero cold 28.8°F (-1.8°C) in February to a cold 37°F (2.8°C). Weather in March »
Weather in April
April is a cool spring month in Grafton, New Hampshire, with an average temperature fluctuating between 33.6°F (0.9°C) and 51.4°F (10.8°C). Grafton witnesses a significant increase in the average high-temperature with the arrival of April, rising from March's wintry 37°F (2.8°C) to a cool 51.4°F (10.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Grafton, New Hampshire, with an average temperature fluctuating between 64.9°F (18.3°C) and 44.4°F (6.9°C). In Grafton, the average high-temperature in May rises, from a cool 51.4°F (10.8°C) in April, to a refreshing 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Grafton, is an agreeable month, with an average temperature ranging between min 51.3°F (10.7°C) and max 72.1°F (22.3°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from an enjoyable 64.9°F (18.3°C) to an agreeable 72.1°F (22.3°C). Weather in June »
Weather in July
July in Grafton, New Hampshire, is a warm summer month, with an average temperature ranging between max 79°F (26.1°C) and min 57.6°F (14.2°C). In Grafton, New Hampshire, temperatures reach their average annual highs in July, measuring 79°F (26.1°C) and a minimum average of 57.6°F (14.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Grafton, New Hampshire, with an average temperature fluctuating between 77.2°F (25.1°C) and 55.9°F (13.3°C). August's commencement is accompanied by an average high-temperature of a still warm 77.2°F (25.1°C), diverging marginally from July's 79°F (26.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Grafton, is still a pleasant month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 49.5°F (9.7°C). September witnesses a gentle descent in average high-temperature, descending from August's warm 77.2°F (25.1°C) to a pleasant 69.1°F (20.6°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Grafton, New Hampshire, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 55.9°F (13.3°C). Grafton's progression into October includes a drop in the average high-temperature, from an agreeable 69.1°F (20.6°C) in September to a moderate 55.9°F (13.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Grafton, is another chilly month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 43.2°F (6.2°C). November involves a decrease in temperature, down from a mild 55.9°F (13.3°C) in October to a chilly 43.2°F (6.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Grafton, New Hampshire, with an average temperature varying between 31.5°F (-0.3°C) and 21°F (-6.1°C). December's onset brings a slight change in high-temperatures, falling from a frosty 43.2°F (6.2°C) in November to a freezing cold 31.5°F (-0.3°C). Weather in December »
Updated: Aug 15, 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 month is the coldest?
With its average high temperature of 25.9°F (-3.4°C) and a low of 12.7°F (-10.7°C), January is regarded as the coldest month.
What are the most humid months?
January and February, with an average relative humidity of 86%, are most humid months.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 4.3 days and typically collects 0.71" (18mm) of precipitation.
How much does it rain?
In Grafton, during the entire year, the rain falls for 103.3 days and collects up to 12.52" (318mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Grafton, during the entire year, snow falls for 43.2 days and aggregates up to 14.49" (368mm) of snow.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 10.1 days and typically aggregates up to 4.02" (102mm) of snow.
What is the month with the least sunshine?
With an average of 4h of sunshine, February has the least sunshine of the year in Grafton.
When is the lowest UV index?
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Grafton.
When is Daylight Saving Time (DST)?
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.
What is the least humid month?
April and May, with an average relative humidity of 75%, are the least humid months.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 24min of daylight, June has the longest days of the year.
What month is the hottest?
July is the month that records the highest temperatures, with averages ranging from a high of 79°F (26.1°C) to a low of 57.6°F (14.2°C).
What month has the most sunshine?
August has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the wettest month?
October is the month with the most rainfall. Rain falls for 9.7 days and accumulates 1.54" (39mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Grafton, NH
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.9°F).
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure
Grafton, NH
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Grafton, NH
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Grafton, NH
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall
Grafton, NH
- Average rainfall in January:
0.71" - Average rainfall in February:
0.87" - Average rainfall in March:
0.87" - Average rainfall in April:
1.1" - Average rainfall in May:
1.14" - Average rainfall in June:
1.1"
- Average rainfall in July:
1.34" - Average rainfall in August:
0.98" - Average rainfall in September:
0.87" - Average rainfall in October:
1.54" - Average rainfall in November:
0.94" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Grafton, NH
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
8.4 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
11.1 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
11.6 days - Average rainfall days in August:
10.6 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is February (3.4 days).
Average snowfall
Grafton, NH
- Average snowfall in January:
2.36" - Average snowfall in February:
4.02" - Average snowfall in March:
2.28" - Average snowfall in April:
1.3" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grafton, NH
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
10.1 days - Average snowfall days in March:
8.2 days - Average snowfall days in April:
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:
0.5 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grafton, NH
- 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 3min - 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 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days
Grafton, NH
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
17.7 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
19.3 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is February (16.1 days).
Average UV index
Grafton, NH
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Grafton, NH
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility
Grafton, NH
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Grafton, New Hampshire, USA
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