Monthly weather forecast and climate
Loudon, NH

January, the same as December, in Loudon, New Hampshire, is another subzero cold winter month, with temperature in the range of an average high of 27.7°F (-2.4°C) and an average low of 14.9°F (-9.5°C). With an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 14.9°F (-9.5°C), January is the coldest month. Weather in January »

The last month of the winter, February, is also a subzero cold month in Loudon, New Hampshire, with average temperature varying between 15.6°F (-9.1°C) and 30.4°F (-0.9°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 30.4°F (-0.9°C). Weather in February »

March, the first month of the spring, in Loudon, is a cold month, with average temperature varying between 24.1°F (-4.4°C) and 38.8°F (3.8°C). In Loudon, the average high-temperature in March slightly increases, from a freezing cold 30.4°F (-0.9°C) in February, to a cold 38.8°F (3.8°C). Weather in March »

April in Loudon, New Hampshire, is a cool spring month, with average temperature fluctuating between 53.1°F (11.7°C) and 34.7°F (1.5°C). In April, the average high-temperature increases, from a wintry 38.8°F (3.8°C) in March, to a fresh 53.1°F (11.7°C). Weather in April »

May, the last month of the spring, in Loudon, is an enjoyable month, with average temperature ranging between max 65.7°F (18.7°C) and min 45.1°F (7.3°C). In May, the average high-temperature rises, from a cool 53.1°F (11.7°C) in April, to a comfortable 65.7°F (18.7°C). Weather in May »

The first month of the summer, June, is an agreeable month in Loudon, New Hampshire, with average temperature varying between 73.2°F (22.9°C) and 52.5°F (11.4°C). In Loudon, New Hampshire, the average high-temperature slightly increases, from an enjoyable 65.7°F (18.7°C) in May, to an agreeable 73.2°F (22.9°C). Weather in June »

July is a warm summer month in Loudon, New Hampshire, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 59.4°F (15.2°C). With an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 59.4°F (15.2°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Loudon, is another warm month, with average temperature fluctuating between 57.4°F (14.1°C) and 78.4°F (25.8°C). In Loudon, New Hampshire, the average high-temperature in August is practically the same as in July - a still moderately hot 78.4°F (25.8°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Loudon, New Hampshire, with average temperature ranging between max 70.7°F (21.5°C) and min 50.7°F (10.4°C). In September, the average high-temperature marginally drops, from a moderately hot 78.4°F (25.8°C) in August, to an agreeable 70.7°F (21.5°C). Weather in September »

October, like September, is a moderate autumn month in Loudon, New Hampshire, with average temperature ranging between max 57.2°F (14°C) and min 41.9°F (5.5°C). In October, the average high-temperature drops, from a pleasant 70.7°F (21.5°C) in September, to a mild 57.2°F (14°C). Weather in October »

November, the last month of the autumn, in Loudon, is another chilly month, with average temperature ranging between max 44.4°F (6.9°C) and min 31.1°F (-0.5°C). In November, the average high-temperature drops, from a moderate 57.2°F (14°C) in October, to a chilly 44.4°F (6.9°C). Weather in November »

The first month of the winter, December, is still a cold month in Loudon, New Hampshire, with average temperature varying between 22.8°F (-5.1°C) and 33.1°F (0.6°C). In December, the average high-temperature decreases, from a frosty 44.4°F (6.9°C) in November, to a cold 33.1°F (0.6°C). Weather in December »

What is the coldest month in Loudon?

January is the coldest month in Loudon, New Hampshire, with an average high-temperature of 27.7°F (-2.4°C) and an average low-temperature of 14.9°F (-9.5°C).

How much does it rain in Loudon?

Throughout the year, there are 138.6 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

When does it snow in Loudon?

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

How many days does it snow in Loudon?

In Loudon, during the entire year, snow falls for 48.2 days, and aggregates up to 30.71" (780mm) of snow.

When is the lowest UV index in Loudon?

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

What is the most humid month in Loudon?

With an average relative humidity of 85%, February is the most humid month in Loudon, New Hampshire.

When does it snow the most in Loudon?

The month with the most snowfall in Loudon is February when snow falls for 10.8 days and typically aggregates up to 7.36" (187mm) of snow.

What is the month with the least sunshine in Loudon?

With an average of 4.4h of sunshine, February has the least sunshine of the year in Loudon, New Hampshire.

What is the least humid month in Loudon?

With an average relative humidity of 73%, April is the least humid month in Loudon, New Hampshire.

When it does not snow in Loudon?

In Loudon, New Hampshire, snow does not fall in June through September.

When are the longest days in Loudon?

With an average of 15.3h of daylight, June has the longest days of the year in Loudon.

What is the warmest month in Loudon?

July is the warmest month, with an average high-temperature of 80.2°F (26.8°C) and an average low-temperature of 59.4°F (15.2°C).

What are the months with the highest UV index in Loudon?

July and August, with an average maximum UV index of 6, are months with the highest UV index in Loudon, New Hampshire.

What month has the most sunshine in Loudon?

The month with the most sunshine in Loudon, New Hampshire, is August, with an average of 10.3h of sunshine.

What is the driest month in Loudon?

September is the month with the least rainfall in Loudon, New Hampshire. Rain falls for 10.5 days and accumulates 1.57" (40mm) of precipitation.

What is the rainiest month in Loudon?

October is the month with the most rainfall. Rain falls for 13.9 days and accumulates 3.15" (80mm) of precipitation.

What is the month with the shortest days in Loudon?

December has the shortest days of the year in Loudon, with an average of 9h of daylight.
Average temperature - Loudon, NH
Average pressure - Loudon, NH

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

Average wind speed - Loudon, NH

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average rainfall - Loudon, NH

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days - Loudon, NH

The month with the highest number of rainy days is April (15.2 days).
The month with the least rainy days is January (6.8 days).

Average snowfall - Loudon, NH
Average snowfall days - Loudon, NH

The month with the highest number of snowfall days is January (11 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Loudon, NH

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.4h).

Average sunshine days - Loudon, NH

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is April (12.4 days).

Average UV index - Loudon, NH

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average visibility - Loudon, NH

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