Climate and monthly weather forecastTwin Mountain, NH
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Twin Mountain, New Hampshire, with an average temperature fluctuating between 21.9°F (-5.6°C) and 8.6°F (-13°C). With average temperatures fluctuating between a high of 21.9°F (-5.6°C) and a low of 8.6°F (-13°C), January stands out as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Twin Mountain, New Hampshire, with an average temperature ranging between max 24.3°F (-4.3°C) and min 10°F (-12.2°C). The transition into February shows a subtle variation to a still freezing cold 24.3°F (-4.3°C) from January's 21.9°F (-5.6°C) in the average high-temperature. Weather in February »Weather in March
March, the first month of the spring in Twin Mountain, is a cold month, with an average temperature fluctuating between 18°F (-7.8°C) and 32.5°F (0.3°C). In Twin Mountain, the average high-temperature in March slightly increases from a freezing cold 24.3°F (-4.3°C) in February to an icy 32.5°F (0.3°C). Weather in March »Weather in April
April is a frosty spring month in Twin Mountain, New Hampshire, with an average temperature fluctuating between 29.7°F (-1.3°C) and 45.3°F (7.4°C). Twin Mountain sees a rise in temperature during April, with average high-temperatures transitioning from a cold 32.5°F (0.3°C) in March to a chilly 45.3°F (7.4°C). Weather in April »Weather in May
May, the last month of the spring in Twin Mountain, is a refreshing month, with an average temperature fluctuating between 41.2°F (5.1°C) and 61.2°F (16.2°C). As Twin Mountain, New Hampshire, transitions into May, a noticeable rise in the average high-temperature is observed, soaring from a frosty 45.3°F (7.4°C) in April to a comfortable 61.2°F (16.2°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Twin Mountain, New Hampshire, with an average temperature varying between 48.2°F (9°C) and 68°F (20°C). The commencement of June sees a minor shift in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in May to an agreeable 68°F (20°C). Weather in June »Weather in July
July in Twin Mountain, New Hampshire, is a warm summer month, with an average temperature varying between 54.1°F (12.3°C) and 74.1°F (23.4°C). With average high temperatures of 74.1°F (23.4°C) and lows of 54.1°F (12.3°C), July is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Twin Mountain, is also an agreeable month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 72.9°F (22.7°C). Twin Mountain records an average high-temperature of an agreeable 72.9°F (22.7°C) as August arrives, nearly mirroring the previous month's climate. Weather in August »Weather in September
September, the first month of the autumn in Twin Mountain, is still a refreshing month, with an average temperature ranging between max 65.8°F (18.8°C) and min 46°F (7.8°C). Twin Mountain's weather subtly changes with the onset of September, barely falling from a pleasant 72.9°F (22.7°C) in August to a comfortable 65.8°F (18.8°C). Weather in September »Weather in October
October, like September, in Twin Mountain, New Hampshire, is another fresh autumn month, with an average temperature fluctuating between 37.4°F (3°C) and 51.6°F (10.9°C). October brings a drop in Twin Mountain's average high-temperature, falling from a comfortable 65.8°F (18.8°C) in September to a fresh 51.6°F (10.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Twin Mountain, New Hampshire, with temperature in the range of an average high of 38.3°F (3.5°C) and an average low of 26.8°F (-2.9°C). In Twin Mountain, the average high-temperature in November decreases from a fresh 51.6°F (10.9°C) in October to a wintry 38.3°F (3.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Twin Mountain, New Hampshire, with an average temperature ranging between min 17.1°F (-8.3°C) and max 27.1°F (-2.7°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's cold 38.3°F (3.5°C) to a freezing cold 27.1°F (-2.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Twin Mountain, NH
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (21.9°F).
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure
Twin Mountain, NH
- Average pressure in January:
30"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Twin Mountain, NH
- Average wind speed in January:
6.9mph - Average wind speed in February:
6.9mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.7mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.6mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Twin Mountain, NH
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Twin Mountain, NH
- Average rainfall in January:
2.83" - Average rainfall in February:
2.56" - Average rainfall in March:
2.6" - Average rainfall in April:
3.54" - Average rainfall in May:
2.91" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.48" - Average rainfall in September:
2.24" - Average rainfall in October:
3.62" - Average rainfall in November:
2.91" - Average rainfall in December:
3.15"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days
Twin Mountain, NH
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
19.1 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall
Twin Mountain, NH
- Average snowfall in January:
16.97" - Average snowfall in February:
17.44" - Average snowfall in March:
14.76" - Average snowfall in April:
14.06" - Average snowfall in May:
2.64" - Average snowfall in June:
0"
The month with the highest snowfall is February (17.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Twin Mountain, NH
- Average snowfall days in January:
22.1 days - Average snowfall days in February:
21.9 days - Average snowfall days in March:
20.9 days - Average snowfall days in April:
13.2 days - Average snowfall days in May:
2.8 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:
5.7 days - Average snowfall days in November:
13.2 days - Average snowfall days in December:
21 days
The month with the highest number of snowfall days is January (22.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Twin Mountain, NH
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
2h and 42min - Average sunshine in March:
3h and 54min - Average sunshine in April:
6h and 0min - Average sunshine in May:
7h and 36min - Average sunshine in June:
8h and 6min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 18min - Average sunshine in September:
7h and 48min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days
Twin Mountain, NH
- Average sunshine days in January:
8.8 days - Average sunshine days in February:
5.8 days - Average sunshine days in March:
7.7 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
10.3 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
8.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (5.8 days).
Average UV index
Twin Mountain, NH
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Twin Mountain, NH
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility
Twin Mountain, NH
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).





