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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
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Charlestown, New Hampshire, with an average temperature ranging between max 27.5°F (-2.5°C) and min 14.5°F (-9.7°C). During the coldest month, January, temperatures average a high of 27.5°F (-2.5°C) and a low of 14.5°F (-9.7°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Charlestown, New Hampshire, with temperature in the range of an average low of 15.4°F (-9.2°C) and an average high of 30.2°F (-1°C). The introduction of February sees an average high-temperature of a still subzero cold 30.2°F (-1°C), hardly deviating from January. 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 (3.7°C) and min 23.5°F (-4.7°C). As March arrives, a slight rise in the average high-temperature is observed, moving from a freezing cold 30.2°F (-1°C) in February to an icy 38.7°F (3.7°C). Weather in March »
Weather in April
April is a fresh spring month in Charlestown, New Hampshire, with an average temperature ranging between min 34.3°F (1.3°C) and max 52°F (11.1°C). Charlestown's transition into April brings a rise in the average high-temperature, moving from a wintry 38.7°F (3.7°C) in March to a fresh 52°F (11.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Charlestown, New Hampshire, with an average temperature fluctuating between 45.1°F (7.3°C) and 65.8°F (18.8°C). Charlestown's transition into May is marked by a rise in the average high-temperature, advancing from a fresh 52°F (11.1°C) in April to a refreshing 65.8°F (18.8°C). Weather in May »
Weather in June
June, the first month of the summer in Charlestown, is an agreeable month, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 73°F (22.8°C). June signifies a subtle uplift in the average high-temperature, adjusting from a refreshing 65.8°F (18.8°C) in May to an agreeable 73°F (22.8°C). Weather in June »
Weather in July
July is a moderately hot summer month in Charlestown, New Hampshire, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 79.7°F (26.5°C). Charlestown's warmest month, July, generally records average temperatures ranging from a high of 79.7°F (26.5°C) to a low of 57.7°F (14.3°C). 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 77.9°F (25.5°C) and 55.9°F (13.3°C). The average high-temperature for August is a still warm 77.9°F (25.5°C), closely aligning with the temperature of the preceding month. 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 (10.2°C) and max 70.5°F (21.4°C). A subtle shift in Charlestown's weather is observed as August turns into September, with the average high temperature reducing from a warm 77.9°F (25.5°C) to a pleasant 70.5°F (21.4°C). Weather in September »
Weather in October
October, the same as September, in Charlestown, New Hampshire, is another mild autumn month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 56.7°F (13.7°C). The average high-temperature drops in October, from September's pleasant 70.5°F (21.4°C) to a moderate 56.7°F (13.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Charlestown, is also a frosty month, with an average temperature ranging between max 44.1°F (6.7°C) and min 30.9°F (-0.6°C). The commencement of November indicates a shift in the average high-temperature, receding from October's mild 56.7°F (13.7°C) to a chilly 44.1°F (6.7°C). Weather in November »
Weather in December
December, the first month of the winter in Charlestown, is also a wintry month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 32.9°F (0.5°C). The arrival of December indicates a decrease in the average high-temperature, moving from a chilly 44.1°F (6.7°C) in November to a cold 32.9°F (0.5°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 month is the coldest in Charlestown?
With its average high temperature of 27.5°F (-2.5°C) and a low of 14.5°F (-9.7°C), January is regarded as the coldest month in Charlestown.
What is the driest month in Charlestown?
January and March are months with the least rain when the rain falls for 4.5 days and typically aggregates up to 1.06" (27mm) of rain.
How many days does it rain in Charlestown?
Throughout the year, in Charlestown, New Hampshire, there are 113.5 rainfall days, and 16.77" (426mm) of precipitation is accumulated.
When does it snow in Charlestown?
Months with snowfall in Charlestown are January through May, October through December.
How many days does it snow in Charlestown?
In Charlestown, during the entire year, snow falls for 31 days and aggregates up to 16.22" (412mm) of snow.
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 in Charlestown, New Hampshire.
What is the most humid month in Charlestown?
February is the most humid month in Charlestown, New Hampshire, with an average relative humidity of 85%.
What is the snowiest month in Charlestown?
February is the month with the most snowfall. Snow falls for 7.9 days and accumulates 4.69" (119mm) of snow.
What is the month with the least sunshine in Charlestown?
The month with the least sunshine in Charlestown, New Hampshire, is February, with an average of 4.4h of sunshine.
When is Daylight Saving Time (DST) in Charlestown?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Charlestown, 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 Charlestown?
April is the least humid month in Charlestown, New Hampshire, with an average relative humidity of 74%.
When is the highest UV index in Charlestown?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow in Charlestown?
June through September are months without snowfall.
When are the longest days in Charlestown?
June has the longest days of the year in Charlestown, with an average of 15h and 18min of daylight.
What are the warmest months in Charlestown?
July, noted for its average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 57.7°F (14.3°C), is considered the warmest month in Charlestown.
What month has the most sunshine in Charlestown?
The month with the most sunshine in Charlestown is August, with an average of 10.3h of sunshine.
What is the wettest month in Charlestown?
October is the month with the most rainfall. Rain falls for 11.4 days and accumulates 1.77" (45mm) of precipitation.
What is the month with the shortest days in Charlestown?
The month with the shortest days in Charlestown 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).