Climate and monthly weather forecast
Mount Washington, NH

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

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).

[Resources]

Average pressure
Mount Washington, NH

Average pressure - Mount Washington, NH

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed
Mount Washington, NH

Average wind speed - Mount Washington, NH

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).

[Resources]

Average humidity
Mount Washington, NH

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%).

[Resources]

Average rainfall
Mount Washington, NH

Average rainfall - Mount Washington, NH

The wettest month (with the highest rainfall) is April (2.44").
The driest month (with the least rainfall) is September (0.94").

[Resources]

Average rainfall days
Mount Washington, NH

Average rainfall days - Mount Washington, NH

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).

[Resources]

Average snowfall
Mount Washington, NH

Average snowfall - Mount Washington, NH

The month with the highest snowfall is January (11.42").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Mount Washington, NH

Average snowfall days - Mount Washington, NH

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).

[Resources]

Average daylight / Average sunshine
Mount Washington, NH

Average daylight / Average sunshine - Mount Washington, NH

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).

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).

[Resources]

Average sunshine days
Mount Washington, NH

Average sunshine days - Mount Washington, NH

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is February (7.8 days).

[Resources]

Average UV index
Mount Washington, NH

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).

[Resources]

Average cloud cover
Mount Washington, NH

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).

[Resources]

Average visibility
Mount Washington, NH

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location