Climate and monthly weather forecastSwanzey, NH
Climate and monthly weather forecast
Weather in January
January, the same as December, in Swanzey, New Hampshire, is another subzero cold winter month, with an average temperature fluctuating between 15.1°F (-9.4°C) and 27.9°F (-2.3°C). Temperature readings reach their annual highs in January, averaging 27.9°F (-2.3°C) and a minimum average of 15.1°F (-9.4°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Swanzey, New Hampshire, with an average temperature ranging between max 31.1°F (-0.5°C) and min 16.5°F (-8.6°C). Swanzey's February average high-temperature settles at a still freezing cold 31.1°F (-0.5°C), showing a near match with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Swanzey, is an icy month, with an average temperature fluctuating between 39.4°F (4.1°C) and 24.3°F (-4.3°C). March's onset witnesses a minor shift in the average high-temperature, moving from a subzero cold 31.1°F (-0.5°C) in February to a wintry 39.4°F (4.1°C). Weather in March »Weather in April
April in Swanzey, New Hampshire, is a cool spring month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 52.9°F (11.6°C). A rise in the average high-temperature is observed during April, moving from a cold 39.4°F (4.1°C) in March to a fresh 52.9°F (11.6°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Swanzey, New Hampshire, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 66°F (18.9°C). Swanzey's transition into May is marked by a temperature shift, moving from a cool 52.9°F (11.6°C) in April to a comfortable 66°F (18.9°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Swanzey, New Hampshire, with an average temperature ranging between max 73.2°F (22.9°C) and min 52.5°F (11.4°C). June's arrival signals a modest temperature shift, moving from a refreshing 66°F (18.9°C) in May to an agreeable 73.2°F (22.9°C). Weather in June »Weather in July
July in Swanzey, New Hampshire, is a warm summer month, with an average temperature varying between 58.6°F (14.8°C) and 79.9°F (26.6°C). Swanzey's temperatures tend to reach their peak averages in July, with a high of 79.9°F (26.6°C) and a low of 58.6°F (14.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Swanzey, New Hampshire, with an average temperature ranging between max 78.1°F (25.6°C) and min 56.8°F (13.8°C). The ushering in of August brings an average high-temperature of a still warm 78.1°F (25.6°C), closely mirroring the 79.9°F (26.6°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Swanzey, New Hampshire, with an average temperature varying between 50.9°F (10.5°C) and 70°F (21.1°C). The arrival of September correlates with a minor temperature reduction, down from August's warm 78.1°F (25.6°C) to an agreeable 70°F (21.1°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Swanzey, New Hampshire, with an average temperature varying between 42.1°F (5.6°C) and 56.8°F (13.8°C). The shift to October brings a decrease in the average high-temperature, falling from an agreeable 70°F (21.1°C) in September to a moderate 56.8°F (13.8°C). Weather in October »Weather in November
November, the last month of the autumn in Swanzey, is also a frosty month, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 31.3°F (-0.4°C). November's onset brings a slight change in high-temperatures, falling from a mild 56.8°F (13.8°C) in October to a frosty 44.4°F (6.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Swanzey, New Hampshire, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 33.4°F (0.8°C). With December's onset, the weather shows a temperature decrease, transitioning from a chilly 44.4°F (6.9°C) in November to a wintry 33.4°F (0.8°C). Weather in December »Updated: Jul 4, 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
The month of January sees the average lowest temperatures, reaching 27.9°F (-2.3°C) at the peak and 15.1°F (-9.4°C) at the low.
In Swanzey, New Hampshire, during the entire year, the rain falls for 125.1 days and collects up to 11.69" (297mm) of precipitation.
January through May, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 9.2 days and typically aggregates up to 2.64" (67mm) of snow.
In Swanzey, during the entire year, snow falls for 39.8 days and aggregates up to 10.2" (259mm) of snow.
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.
The most humid month is February, with an average relative humidity of 85%.
With an average of 4.4h of sunshine, February has the least sunshine of the year.
March is the month with the least rainfall. Rain falls for 10 days and accumulates 0.75" (19mm) of precipitation.
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.
With an average relative humidity of 74%, April is the least humid month.
In Swanzey, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 18min of daylight.
Swanzey's July weather, marked by an average high temperature of 79.9°F (26.6°C) and an average low temperature of 58.6°F (14.8°C), is the warmest in the year.
The month with the most rainfall is July, when the rain falls for 13.3 days and typically aggregates up to 1.3" (33mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 6.
The month with the most sunshine is August, with an average of 10.3h of sunshine.
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Swanzey, NH
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Swanzey, 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:
30"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:
30.04"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
Swanzey, NH
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.9mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Swanzey, NH
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Swanzey, NH
- Average rainfall in January:
0.83" - Average rainfall in February:
0.79" - Average rainfall in March:
0.75" - Average rainfall in April:
0.98" - Average rainfall in May:
1.14" - Average rainfall in June:
1.18"
- Average rainfall in July:
1.3" - Average rainfall in August:
0.94" - Average rainfall in September:
0.79" - Average rainfall in October:
1.18" - Average rainfall in November:
0.94" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").
Average rainfall days
Swanzey, NH
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
10 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Swanzey, NH
- Average snowfall in January:
2.64" - Average snowfall in February:
2.44" - Average snowfall in March:
1.42" - Average snowfall in April:
0.79" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Swanzey, NH
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 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:
3 days - Average snowfall days in December:
7.4 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Swanzey, NH
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 54min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 48min
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
Swanzey, NH
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
15.2 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
17 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index
Swanzey, NH
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Swanzey, NH
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Swanzey, NH
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
