Climate and monthly weather forecast
Milton, NH

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Weather in January

January, like December, is a freezing cold winter month in Milton, New Hampshire, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 28.6°F (-1.9°C). In Milton, the month of January is known for its lowest average temperatures, reaching a high of 28.6°F (-1.9°C) and a low of 15.1°F (-9.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Milton, New Hampshire, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 31.1°F (-0.5°C). Milton's weather in February indicates an average high-temperature of a still freezing cold 31.1°F (-0.5°C), nearly consistent with the 28.6°F (-1.9°C) of January. Weather in February »

Weather in March

March, the first month of the spring in Milton, is an icy month, with an average temperature ranging between min 24.1°F (-4.4°C) and max 38.8°F (3.8°C). Entering March, Milton notices a subtle temperature elevation, with the average high-temperature advancing from February's freezing cold 31.1°F (-0.5°C) to a cold 38.8°F (3.8°C). Weather in March »

Weather in April

April is a cool spring month in Milton, New Hampshire, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 51.8°F (11°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a cold 38.8°F (3.8°C) to a cool 51.8°F (11°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Milton, New Hampshire, with an average temperature fluctuating between 63.9°F (17.7°C) and 45.1°F (7.3°C). In May, the meteorological conditions change with the average high-temperature moving from a fresh 51.8°F (11°C) in April to a comfortable 63.9°F (17.7°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Milton, New Hampshire, with an average temperature varying between 52.3°F (11.3°C) and 71.2°F (21.8°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from a refreshing 63.9°F (17.7°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »

Weather in July

July in Milton, New Hampshire, is a warm summer month, with an average temperature fluctuating between 58.8°F (14.9°C) and 78.6°F (25.9°C). The warmest temperatures occur during July, when averages reach a peak of 78.6°F (25.9°C) and a low of 58.8°F (14.9°C). Weather in July »

Weather in August

August, the last month of the summer in Milton, is also a moderately hot month, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 57.4°F (14.1°C). The advent of August presents an average high-temperature of a still warm 77.7°F (25.4°C), maintaining a close correlation with the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Milton, New Hampshire, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 70°F (21.1°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 77.7°F (25.4°C) in August to an agreeable 70°F (21.1°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Milton, New Hampshire, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 57.4°F (14.1°C). A shift in Milton's weather is observed as September turns into October, with the average high temperature reducing from an agreeable 70°F (21.1°C) to a moderate 57.4°F (14.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Milton, is another chilly month, with an average temperature ranging between min 31.6°F (-0.2°C) and max 45°F (7.2°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's mild 57.4°F (14.1°C) to a frosty 45°F (7.2°C). Weather in November »

Weather in December

December, the first month of the winter in Milton, is also a wintry month, with an average temperature fluctuating between 23°F (-5°C) and 33.8°F (1°C). Stepping into December, Milton observes a temperature decline, with the average high falling from November's chilly 45°F (7.2°C) to a wintry 33.8°F (1°C). Weather in December »
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Milton's coldest month, January, generally records average temperatures ranging from a high of 28.6°F (-1.9°C) to a low of 15.1°F (-9.4°C).

What are the most humid months?

January and February, with an average relative humidity of 84%, are most humid months.

How much does it rain?

In Milton, during the entire year, the rain falls for 138.3 days and collects up to 28.86" (733mm) of precipitation.

When does it snow?

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

How much does it snow?

Throughout the year, there are 45.3 snowfall days, and 30.63" (778mm) of snow is accumulated.

When is the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 6.97" (177mm) of snow.

What is the month with the least sunshine?

With an average of 4.5h of sunshine, February has the least sunshine of the year.

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?

April is the least humid month, with an average relative humidity of 76%.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

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

What is the hottest time of year?

July, on average, is the warmest month, registering a high temperature of 78.6°F (25.9°C) and a low of 58.8°F (14.9°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10h of sunshine.

What is the month with the highest UV index?

With an average maximum UV index of 6, August is the month with the highest UV index.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.46" (37mm) of precipitation.

What is the wettest month?

October is the month with the most rainfall. Rain falls for 13.1 days and accumulates 3.15" (80mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Milton, NH

Average temperature - Milton, NH

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure
Milton, NH

Average pressure - Milton, 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
Milton, NH

Average wind speed - Milton, NH

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity
Milton, NH

Average humidity - Milton, NH

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (76%).

Average rainfall
Milton, NH

Average rainfall - Milton, NH

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days
Milton, NH

Average rainfall days - Milton, NH

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6 days).

Average snowfall
Milton, NH

Average snowfall - Milton, NH

The month with the highest snowfall is February (6.97").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Milton, NH

Average snowfall days - Milton, NH

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Milton, NH

Average daylight / Average sunshine - Milton, NH

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Milton, NH

Average sunshine days - Milton, NH

The months with the most sunshine days are September and November (16.9 days).
The month with the least sunshine days is April (12.3 days).

Average UV index
Milton, NH

Average UV index - Milton, NH

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average visibility
Milton, NH

Average visibility - Milton, NH

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

Milton, New Hampshire, USA

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