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 Mount Washington, New Hampshire, with temperature in the range of an average low of 8.4°F (-13.1°C) and an average high of 21.7°F (-5.7°C). January is the coldest month, with an average high-temperature of 21.7°F (-5.7°C) and an average low-temperature of 8.4°F (-13.1°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Mount Washington, New Hampshire, with temperature in the range of an average high of 23.7°F (-4.6°C) and an average low of 10.2°F (-12.1°C). In February, the average high-temperature is essentially the same as in January - a still subzero cold 23.7°F (-4.6°C). Weather in February »
Weather in March
March, the first month of the spring in Mount Washington, is a cold month, with an average temperature fluctuating between 32.5°F (0.3°C) and 18°F (-7.8°C). In March, the average high-temperature marginally rises from a freezing cold 23.7°F (-4.6°C) in February to a cold 32.5°F (0.3°C). Weather in March »
Weather in April
April in Mount Washington, New Hampshire, is a chilly spring month, with an average temperature ranging between max 45.7°F (7.6°C) and min 29.8°F (-1.2°C). In Mount Washington, the average high-temperature in April increases from a wintry 32.5°F (0.3°C) in March to a chilly 45.7°F (7.6°C). Weather in April »
Weather in May
May, the last month of the spring in Mount Washington, is an enjoyable month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 60.8°F (16°C). In May, the average high-temperature increases considerably from a frosty 45.7°F (7.6°C) in April to a comfortable 60.8°F (16°C). Weather in May »
Weather in June
June, the first month of the summer in Mount Washington, is a pleasant month, with an average temperature fluctuating between 48.6°F (9.2°C) and 68.2°F (20.1°C). In Mount Washington, the average high-temperature in June slightly increases from a comfortable 60.8°F (16°C) in May to a pleasant 68.2°F (20.1°C). Weather in June »
Weather in July
July in Mount Washington, New Hampshire, is a moderately hot summer month, with an average temperature fluctuating between 75°F (23.9°C) and 54.7°F (12.6°C). With an average high-temperature of 75°F (23.9°C) and an average low-temperature of 54.7°F (12.6°C), July is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Mount Washington, is another pleasant month, with an average temperature varying between 73°F (22.8°C) and 52.9°F (11.6°C). In August, the average high-temperature is practically the same as in July - a pleasant 73°F (22.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Mount Washington, is still a comfortable month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 66°F (18.9°C). In September, the average high-temperature marginally drops from an agreeable 73°F (22.8°C) in August to an enjoyable 66°F (18.9°C). Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Mount Washington, New Hampshire, with an average temperature ranging between min 37°F (2.8°C) and max 50.7°F (10.4°C). In Mount Washington, New Hampshire, the average high-temperature in October significantly decreases from a comfortable 66°F (18.9°C) in September to a cool 50.7°F (10.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Mount Washington, New Hampshire, with an average temperature varying between 25.9°F (-3.4°C) and 37.8°F (3.2°C). In Mount Washington, the average high-temperature in November decreases from a fresh 50.7°F (10.4°C) in October to a wintry 37.8°F (3.2°C). Weather in November »
Weather in December
December, the first month of the winter in Mount Washington, is also a subzero cold month, with temperature in the range of an average low of 16.7°F (-8.5°C) and an average high of 26.8°F (-2.9°C). In Mount Washington, New Hampshire, the average high-temperature in December decreases from a cold 37.8°F (3.2°C) in November to a subzero cold 26.8°F (-2.9°C). Weather in December »
[Resources]FAQ
What is the coldest month in Mount Washington?
January is the coldest month in Mount Washington, New Hampshire, with an average high-temperature of 21.7°F (-5.7°C) and an average low-temperature of 8.4°F (-13.1°C).
How much does it rain in Mount Washington?
In Mount Washington, during the entire year, the rain falls for 144.9 days and collects up to 20.08" (510mm) of precipitation.
When does it snow in Mount Washington?
Months with snowfall are January through May, October through December.
When does it snow the most in Mount Washington?
The month with the most snowfall is January, when snow falls for 20.4 days and typically aggregates up to 11.42" (290mm) of snow.
How much does it snow in Mount Washington?
In Mount Washington, New Hampshire, during the entire year, snow falls for 116.2 days and aggregates up to 68.07" (1729mm) of snow.
What is the most humid month in Mount Washington?
February is the most humid month, with an average relative humidity of 90%.
What is the month with the least sunshine in Mount Washington?
With an average of 3.5h of sunshine, February has the least sunshine of the year in Mount Washington.
What are the months with the lowest UV index in Mount Washington?
The months with the lowest UV index in Mount Washington, New Hampshire, are February and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Mount Washington?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Mount Washington, New Hampshire, 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 wettest month in Mount Washington?
The month with the most rainfall is April, when the rain falls for 12.8 days and typically aggregates up to 2.44" (62mm) of precipitation.
What is the least humid month in Mount Washington?
May is the least humid month in Mount Washington, New Hampshire, with an average relative humidity of 77%.
When it does not snow in Mount Washington?
June through September are months without snowfall in Mount Washington.
When are the longest days in Mount Washington?
With an average of 15h and 28min of daylight, June has the longest days of the year.
When is the highest UV index in Mount Washington?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What is the warmest month in Mount Washington?
With an average high-temperature of 75°F (23.9°C) and an average low-temperature of 54.7°F (12.6°C), July is the warmest month in Mount Washington.
What month has the most sunshine in Mount Washington?
With an average of 9.8h of sunshine, August has the most sunshine of the year in Mount Washington.
What is the driest month in Mount Washington?
September is the month with the least rainfall in Mount Washington. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.
What is the month with the shortest days in Mount Washington?
December has the shortest days of the year, with an average of 8h and 56min of daylight.
Average temperature
Mount Washington, NH
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.7°F).
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure
Mount Washington, NH
- Average pressure in January:
30"Hg - Average pressure in February:
29.98"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
Mount Washington, NH
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
7.3mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.6mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Mount Washington, NH
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall
Mount Washington, NH
- Average rainfall in January:
1.65" - Average rainfall in February:
1.34" - Average rainfall in March:
1.42" - Average rainfall in April:
2.44" - Average rainfall in May:
1.85" - Average rainfall in June:
2.17"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.34" - Average rainfall in September:
0.94" - Average rainfall in October:
2.28" - Average rainfall in November:
1.69" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days
Mount Washington, NH
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
15 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is November (8 days).
Average snowfall
Mount Washington, NH
- Average snowfall in January:
11.42" - Average snowfall in February:
9.57" - Average snowfall in March:
8.19" - Average snowfall in April:
10.79" - Average snowfall in May:
4.53" - Average snowfall in June:
0"
The month with the highest snowfall is January (11.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mount Washington, NH
- Average snowfall days in January:
20.4 days - Average snowfall days in February:
19.8 days - Average snowfall days in March:
19.2 days - Average snowfall days in April:
13 days - Average snowfall days in May:
3.9 days - Average snowfall days in June:
0.2 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:
5.9 days - Average snowfall days in November:
13.5 days - Average snowfall days in December:
20.3 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight / Average sunshine
Mount Washington, NH
- Average daylight in January:
9h and 19min - Average daylight in February:
10h and 29min - Average daylight in March:
11h and 58min - Average daylight in April:
13h and 29min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 28min
- Average daylight in July:
15h and 7min - Average daylight in August:
13h and 58min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 59min - Average daylight in November:
9h and 38min - Average daylight in December:
8h and 56min
The month with the longest days is June (Average daylight: 15h and 28min).
The month with the shortest days is December (Average daylight: 8h and 56min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
3h and 30min - Average sunshine in March:
4h and 48min - Average sunshine in April:
6h and 42min - Average sunshine in May:
7h and 54min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 36min - Average sunshine in December:
3h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days
Mount Washington, NH
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
9.2 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
11.4 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index
Mount Washington, NH
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Mount Washington, NH
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 41).
Average visibility
Mount Washington, 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).
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