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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, the same as December, in Charlestown, New Hampshire, is a freezing cold winter month, with temperature in the range of an average high of 27.5°F and an average low of 14.5°F. Charlestown's January weather reaches an average high of 27.5°F and an average low of 14.5°F, making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Charlestown, New Hampshire, with an average temperature fluctuating between 30.2°F and 15.4°F. The transition from January to February sees average high-temperatures adjusting to a still freezing cold 30.2°F, from a not significantly different 27.5°F. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Charlestown, New Hampshire, with an average temperature ranging between max 38.7°F and min 23.5°F. Charlestown's weather in March presents a minor rise in the average high-temperature, moving from a freezing cold 30.2°F in February to a wintry 38.7°F. Weather in March »
Weather in April
April is a cool spring month in Charlestown, New Hampshire, with an average temperature fluctuating between 52°F and 34.3°F. The start of April brings a rise in the average high-temperature, moving from a cold 38.7°F in March to a cool 52°F. Weather in April »
Weather in May
May, the last month of the spring in Charlestown, is an enjoyable month, with temperature in the range of an average high of 65.8°F and an average low of 45.1°F. May sees a temperature increase, moving from a fresh 52°F in April to a comfortable 65.8°F. Weather in May »
Weather in June
June, the first month of the summer in Charlestown, is a pleasant month, with an average temperature ranging between min 51.6°F and max 73°F. The shift from May to June sees a slight increase in the average high-temperature, transitioning from a comfortable 65.8°F to an agreeable 73°F. Weather in June »
Weather in July
July in Charlestown, New Hampshire, is a moderately hot summer month, with an average temperature fluctuating between 79.7°F and 57.7°F. July, having an average high-temperature of 79.7°F and an average low-temperature of 57.7°F, is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Charlestown, is another warm month, with an average temperature fluctuating between 55.9°F and 77.9°F. The beginning of August records an average high-temperature of a still moderately hot 77.9°F, marking a negligible difference from July's 79.7°F. Weather in August »
Weather in September
September, the first month of the autumn in Charlestown, is still a pleasant month, with an average temperature ranging between min 50.4°F and max 70.5°F. September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 77.9°F to an agreeable 70.5°F. Weather in September »
Weather in October
October, like September, is a moderate autumn month in Charlestown, New Hampshire, with an average temperature fluctuating between 41.5°F and 56.7°F. Charlestown observes a minor decrease in the average high-temperature with the arrival of October, falling from September's agreeable 70.5°F to a refreshing 56.7°F. Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Charlestown, New Hampshire, with an average temperature varying between 30.9°F and 44.1°F. Setting in of November comes with a decrease in the average high-temperature, moving from a refreshing 56.7°F in October to a chilly 44.1°F. Weather in November »
Weather in December
December, the first month of the winter in Charlestown, is still a cold month, with an average temperature varying between 22.3°F and 32.9°F. Charlestown, New Hampshire, in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 44.1°F to a wintry 32.9°F. Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Charlestown?
January, with its average high-temperature of 27.5°F and an average low-temperature of 14.5°F, holds the record as the coldest month in Charlestown.
What is the driest month in Charlestown?
The months with the least rainfall in Charlestown, New Hampshire, are January and March Rain falls for 4.5 days and accumulates 1.06" of rain.
How much does it rain in Charlestown?
Throughout the year, in Charlestown, New Hampshire, there are 113.5 rainfall days, and 16.77" of precipitation is accumulated.
When does it snow in Charlestown?
January through May, October through December are months with snowfall in Charlestown.
How much does it snow in Charlestown?
Throughout the year, in Charlestown, there are 31 snowfall days, and 16.22" of snow is accumulated.
When is the lowest UV index in Charlestown?
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 Charlestown?
With an average relative humidity of 85%, February is the most humid month.
When does it snow the most in Charlestown?
The month with the most snowfall in Charlestown is February, when snow falls for 7.9 days and typically aggregates up to 4.69" of snow.
What is the month with the least sunshine in Charlestown?
With an average of 4.4h of sunshine, February has the least sunshine of the year in Charlestown, New Hampshire.
When is Daylight Saving Time (DST) in Charlestown?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Charlestown?
The least humid month in Charlestown is April, with an average relative humidity of 74%.
What are the months with the highest UV index in Charlestown?
The months with the highest UV index in Charlestown are May through August, with an average maximum UV index of 5.
When it does not snow in Charlestown?
June through September are months without snowfall in Charlestown.
When are the longest days in Charlestown?
The month with the longest days in Charlestown, New Hampshire, is June, with an average of 15h and 18min of daylight.
What is the warmest month in Charlestown?
July, on average, is the warmest month, registering a high temperature of 79.7°F and a low of 57.7°F.
What month has the most sunshine in Charlestown?
The month with the most sunshine is August, with an average of 10.3h of sunshine.
What is the rainiest month in Charlestown?
The month with the most rainfall is October, when the rain falls for 11.4 days and typically aggregates up to 1.77" of precipitation.
What is the month with the shortest days in Charlestown?
The month with the shortest days in Charlestown, New Hampshire, is December, with an average of 9h and 0min of daylight.
Average temperature
Charlestown, NH
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure
Charlestown, NH
- Average pressure in January:
30.02"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.92"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:
30.08"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Charlestown, NH
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Charlestown, NH
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Charlestown, NH
- Average rainfall in January:
1.06" - Average rainfall in February:
1.22" - Average rainfall in March:
1.06" - Average rainfall in April:
1.42" - Average rainfall in May:
1.34" - Average rainfall in June:
1.54"
- Average rainfall in July:
1.73" - Average rainfall in August:
1.26" - Average rainfall in September:
1.34" - Average rainfall in October:
1.77" - Average rainfall in November:
1.42" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is October (1.77").
The driest months (with the least rainfall) are January and March (1.06").
Average rainfall days
Charlestown, NH
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
12.1 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Charlestown, NH
- Average snowfall in January:
3.98" - Average snowfall in February:
4.69" - Average snowfall in March:
1.97" - Average snowfall in April:
0.67" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Charlestown, NH
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
0.6 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Charlestown, 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 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:
4h and 5min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days
Charlestown, NH
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
16 days - Average sunshine days in May:
16.5 days - Average sunshine days in June:
16 days
- Average sunshine days in July:
16.5 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are April and June (16 days).
Average UV index
Charlestown, 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 January, February, March, October, November and December (UV index 2).
Average cloud cover
Charlestown, NH
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Charlestown, NH
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Charlestown, New Hampshire, USA
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