Climate and monthly weather forecast
Bartlett, NH

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Weather in January

January, like December, is another subzero cold winter month in Bartlett, New Hampshire, with an average temperature fluctuating between 10.6°F (-11.9°C) and 24.3°F (-4.3°C). January is the coldest month, with the temperature often reaching an average high of 24.3°F (-4.3°C) and an average low of 10.6°F (-11.9°C). Weather in January »

Weather in February

February, the last month of the winter in Bartlett, is also a subzero cold month, with an average temperature varying between 26.6°F (-3°C) and 11.8°F (-11.2°C). With the advent of February, Bartlett's high-temperatures adjust to a still subzero cold 26.6°F (-3°C), closely aligning with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Bartlett, New Hampshire, with an average temperature ranging between max 34.7°F (1.5°C) and min 19°F (-7.2°C). As February transitions into March, Bartlett notices a gentle rise in the average high-temperature, transitioning from a freezing cold 26.6°F (-3°C) to a cold 34.7°F (1.5°C). Weather in March »

Weather in April

April in Bartlett, New Hampshire, is a chilly spring month, with an average temperature fluctuating between 47.7°F (8.7°C) and 30.6°F (-0.8°C). April's arrival is marked by an increase in the average high-temperature, moving from a cold 34.7°F (1.5°C) in March to a frosty 47.7°F (8.7°C). Weather in April »

Weather in May

May, the last month of the spring in Bartlett, is a refreshing month, with an average temperature varying between 41.5°F (5.3°C) and 62.1°F (16.7°C). With the onset of May, Bartlett's weather experiences a distinct temperature rise, moving from a frosty 47.7°F (8.7°C) in April to a comfortable 62.1°F (16.7°C). Weather in May »

Weather in June

June, the first month of the summer in Bartlett, is an agreeable month, with an average temperature fluctuating between 69.3°F (20.7°C) and 48°F (8.9°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from a refreshing 62.1°F (16.7°C) in May to a pleasant 69.3°F (20.7°C). Weather in June »

Weather in July

July in Bartlett, New Hampshire, is a moderately hot summer month, with an average temperature ranging between min 54.9°F (12.7°C) and max 76.3°F (24.6°C). With average high and low temperatures of 76.3°F (24.6°C) and 54.9°F (12.7°C) respectively, July is Bartlett's warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Bartlett, New Hampshire, with an average temperature fluctuating between 52.3°F (11.3°C) and 74.5°F (23.6°C). August's weather displays an average high-temperature of a still warm 74.5°F (23.6°C), slightly varied from July's 76.3°F (24.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Bartlett, is still a refreshing month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 47.3°F (8.5°C). The beginning of September brings a minor change in the average high-temperature, shifting from a warm 74.5°F (23.6°C) in August to a comfortable 67.5°F (19.7°C). Weather in September »

Weather in October

October, like September, in Bartlett, New Hampshire, is another fresh autumn month, with an average temperature ranging between max 54°F (12.2°C) and min 38.8°F (3.8°C). The arrival of October corresponds with a temperature reduction, down from September's refreshing 67.5°F (19.7°C) to a fresh 54°F (12.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Bartlett, New Hampshire, with an average temperature varying between 40.5°F (4.7°C) and 28°F (-2.2°C). With November's arrival, Bartlett's weather changes as the average high-temperature falls from a fresh 54°F (12.2°C) in October to an icy 40.5°F (4.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Bartlett, New Hampshire, with an average temperature fluctuating between 18.7°F (-7.4°C) and 29.3°F (-1.5°C). The commencement of December indicates a shift in the average high-temperature, receding from November's wintry 40.5°F (4.7°C) to a subzero cold 29.3°F (-1.5°C). Weather in December »
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January, known for its average high temperature of 24.3°F (-4.3°C) and an average low temperature of 10.6°F (-11.9°C), is the coldest month.

How much does it rain?

In Bartlett, during the entire year, the rain falls for 177.3 days and collects up to 35.35" (898mm) of precipitation.

When does it snow?

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

How many days does it snow?

In Bartlett, during the entire year, snow falls for 83 days and aggregates up to 60.39" (1534mm) of snow.

What is the most humid month?

February is the most humid month, with an average relative humidity of 88%.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 17.7 days and typically aggregates up to 16.81" (427mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4h of sunshine.

When is the lowest UV index?

With an average maximum UV index of 1, February is the month with the lowest UV index.

When is Daylight Saving Time (DST)?

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?

May is the least humid month, with an average relative humidity of 77%.

When it does not snow in Bartlett?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 24min of daylight.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the hottest time of year?

July is the warmest month, with the temperature often reaching an average high of 76.3°F (24.6°C) and an average low of 54.9°F (12.7°C).

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.8h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 2.01" (51mm) of precipitation.

What is the wettest month?

October is the month with the most rainfall. Rain falls for 16.4 days and accumulates 3.9" (99mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 54min of daylight.

Average temperature
Bartlett, NH

Average temperature - Bartlett, NH

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).

The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

Average pressure
Bartlett, NH

Average pressure - Bartlett, 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).

Average wind speed
Bartlett, NH

Average wind speed - Bartlett, NH

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity
Bartlett, NH

Average humidity - Bartlett, NH

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (77%).

Average rainfall
Bartlett, NH

Average rainfall - Bartlett, NH

The wettest month (with the highest rainfall) is October (3.9").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days
Bartlett, NH

Average rainfall days - Bartlett, NH

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (10.9 days).

Average snowfall
Bartlett, NH

Average snowfall - Bartlett, NH

The month with the highest snowfall is February (16.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Bartlett, NH

Average snowfall days - Bartlett, NH

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Bartlett, NH

Average daylight / Average sunshine - Bartlett, NH

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h 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: 4h and 0min).

Average sunshine days
Bartlett, NH

Average sunshine days - Bartlett, NH

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.8 days).

Average visibility
Bartlett, NH

Average visibility - Bartlett, NH

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

Bartlett, New Hampshire, USA

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