Climate and monthly weather forecast
Washington, NH

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Weather in January

January, the same as December, in Washington, New Hampshire, is a freezing cold winter month, with an average temperature fluctuating between 13.1°F (-10.5°C) and 25.5°F (-3.6°C). In Washington, the lowest average temperatures are observed in January, with a high of 25.5°F (-3.6°C) and a low of 13.1°F (-10.5°C). Weather in January »

Weather in February

February, the last month of the winter in Washington, is another freezing cold month, with an average temperature ranging between max 28.6°F (-1.9°C) and min 14.5°F (-9.7°C). The dawn of February sees an average high-temperature of a still freezing cold 28.6°F (-1.9°C), subtly contrasting with January's 25.5°F (-3.6°C). Weather in February »

Weather in March

March, the first month of the spring in Washington, is an icy month, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 22.8°F (-5.1°C). Washington's weather in March shows a minor rise in the average high-temperature, moving slightly up from February's freezing cold 28.6°F (-1.9°C) to a cold 36.9°F (2.7°C). Weather in March »

Weather in April

April is a fresh spring month in Washington, New Hampshire, with an average temperature ranging between min 33.8°F (1°C) and max 50.7°F (10.4°C). Washington experiences a temperature shift with the start of April, with average high-temperatures moving from an icy 36.9°F (2.7°C) in March to a fresh 50.7°F (10.4°C). Weather in April »

Weather in May

May, the last month of the spring in Washington, is an enjoyable month, with an average temperature ranging between min 44.4°F (6.9°C) and max 64.4°F (18°C). Washington sees an increase in average high-temperatures during May, moving from a fresh 50.7°F (10.4°C) in April to an enjoyable 64.4°F (18°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Washington, New Hampshire, with an average temperature fluctuating between 51.4°F (10.8°C) and 71.6°F (22°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a comfortable 64.4°F (18°C) in May to a pleasant 71.6°F (22°C). Weather in June »

Weather in July

July is a moderately hot summer month in Washington, New Hampshire, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 58.1°F (14.5°C). July, recognised by an average high temperature of 78.4°F (25.8°C) and a low of 58.1°F (14.5°C), is Washington's warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Washington, New Hampshire, with an average temperature varying between 76.5°F (24.7°C) and 56.3°F (13.5°C). Washington experiences an average high-temperature of a still warm 76.5°F (24.7°C) in August, marking an insignificant shift from 78.4°F (25.8°C) in July. Weather in August »

Weather in September

September, the first month of the autumn in Washington, is also an agreeable month, with an average temperature varying between 49.6°F (9.8°C) and 68.9°F (20.5°C). A subtle shift in Washington's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 76.5°F (24.7°C) to an agreeable 68.9°F (20.5°C). Weather in September »

Weather in October

October, the same as September, in Washington, New Hampshire, is a moderate autumn month, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 40.8°F (4.9°C). A subtle decrease in the average high-temperature marks October, falling from September's agreeable 68.9°F (20.5°C) to a refreshing 55.4°F (13°C). Weather in October »

Weather in November

November, the last month of the autumn in Washington, is also an icy month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 42.4°F (5.8°C). With November's arrival, Washington sees a decrease in average high-temperatures, moving from a moderate 55.4°F (13°C) in October to a cold 42.4°F (5.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Washington, New Hampshire, with an average temperature ranging between max 31.3°F (-0.4°C) and min 21°F (-6.1°C). Onset of December comes with a temperature decline, the average high falling from a cold 42.4°F (5.8°C) in November to a freezing cold 31.3°F (-0.4°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Washington?

Washington, New Hampshire, reaches its average lowest temperatures in January, measuring 25.5°F (-3.6°C) at the peak and 13.1°F (-10.5°C) at the lowest.

What is the most humid month in Washington?

The months with the highest humidity in Washington are January and February, with an average relative humidity of 86%.

What is the driest month in Washington?

The month with the least rainfall in Washington, New Hampshire, is January, when the rain falls for 6.8 days and typically collects 0.79" (20mm) of precipitation.

How many days does it rain in Washington?

In Washington, during the entire year, the rain falls for 121.9 days and collects up to 13.58" (345mm) of precipitation.

When does it snow in Washington?

Months with snowfall are January through May, October through December.

How many days does it snow in Washington?

In Washington, during the entire year, snow falls for 65.7 days and aggregates up to 19.88" (505mm) of snow.

When does it snow the most in Washington?

February is the month with the most snowfall. Snow falls for 13.9 days and accumulates 3.82" (97mm) of snow.

What is the month with the least sunshine in Washington?

The month with the least sunshine in Washington is February, with an average of 3.8h of sunshine.

What is the month with the lowest UV index in Washington?

The months with the lowest UV index are February and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Washington?

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.

What is the least humid month in Washington?

The least humid month is April, with an average relative humidity of 75%.

What is the month with the highest UV index in Washington?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Washington, New Hampshire.

When it does not snow in Washington?

In Washington, snow does not fall in June through September.

When are the longest days in Washington?

With an average of 15h and 18min of daylight, June has the longest days of the year.

What is the hottest time of year in Washington?

Washington registers the average highest temperatures during July, with peaks of 78.4°F (25.8°C) and lows of 58.1°F (14.5°C).

What month has the most sunshine in Washington?

The month with the most sunshine in Washington is August, with an average of 10h of sunshine.

What is the wettest month in Washington?

The month with the most rainfall is October, when the rain falls for 11.5 days and typically aggregates up to 1.61" (41mm) of precipitation.

What is the month with the shortest days in Washington?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Washington.

Average temperature
Washington, NH

Average temperature - Washington, NH

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure
Washington, NH

Average pressure - Washington, NH

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Washington, NH

Average wind speed - Washington, NH

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity
Washington, NH

Average humidity - Washington, NH

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

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Average rainfall
Washington, NH

Average rainfall - Washington, NH

The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days
Washington, NH

Average rainfall days - Washington, NH

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall
Washington, NH

Average snowfall - Washington, NH

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Washington, NH

Average snowfall days - Washington, NH

The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Washington, NH

Average daylight / Average sunshine - Washington, NH

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).

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days
Washington, NH

Average sunshine days - Washington, NH

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is April (12.9 days).

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Average UV index
Washington, NH

Average UV index - Washington, 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 February and December (UV index 1).

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Average visibility
Washington, NH

Average visibility - Washington, NH

The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).

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Washington, New Hampshire, USA

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