Bethlehem
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Bethlehem, NH

January, like December, is a freezing cold winter month in Bethlehem, New Hampshire, with average temperature fluctuating between 9.3°F (-12.6°C) and 22.5°F (-5.3°C). The coldest month is January, with an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 9.3°F (-12.6°C). Weather in January »

The last month of the winter, February, is also a subzero cold month in Bethlehem, New Hampshire, with temperature in the range of an average high of 25.3°F (-3.7°C) and an average low of 11.1°F (-11.6°C). In February, the average high-temperature is almost the same as in January - a still freezing cold 25.3°F (-3.7°C). Weather in February »

The first month of the spring, March, is a cold month in Bethlehem, New Hampshire, with average temperature fluctuating between 18.9°F (-7.3°C) and 33.6°F (0.9°C). In March, the average high-temperature marginally rises, from a subzero cold 25.3°F (-3.7°C) in February, to a cold 33.6°F (0.9°C). Weather in March »

April is a chilly spring month in Bethlehem, New Hampshire, with average temperature ranging between max 46.9°F (8.3°C) and min 30.6°F (-0.8°C). In April, the average high-temperature rises, from a wintry 33.6°F (0.9°C) in March, to a frosty 46.9°F (8.3°C). Weather in April »

May, the last month of the spring, in Bethlehem, is an enjoyable month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 62.6°F (17°C). In May, the average high-temperature increases considerably, from a chilly 46.9°F (8.3°C) in April, to a comfortable 62.6°F (17°C). Weather in May »

June, the first month of the summer, in Bethlehem, is an agreeable month, with average temperature ranging between min 48.4°F (9.1°C) and max 69.4°F (20.8°C). In June, the average high-temperature marginally rises, from an enjoyable 62.6°F (17°C) in May, to an agreeable 69.4°F (20.8°C). Weather in June »

July is a warm summer month in Bethlehem, New Hampshire, with average temperature varying between 54.1°F (12.3°C) and 76.3°F (24.6°C). The warmest month is July, with an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 54.1°F (12.3°C). Weather in July »

The last month of the summer, August, is another warm month in Bethlehem, New Hampshire, with average temperature varying between 52.5°F (11.4°C) and 74.1°F (23.4°C). In Bethlehem, New Hampshire, the average high-temperature in August is practically the same as in July - a still warm 74.1°F (23.4°C). Weather in August »

The first month of the autumn, September, is still a comfortable month in Bethlehem, New Hampshire, with average temperature varying between 66.9°F (19.4°C) and 46.8°F (8.2°C). In Bethlehem, New Hampshire, the average high-temperature marginally drops, from a moderately hot 74.1°F (23.4°C) in August, to an enjoyable 66.9°F (19.4°C). Weather in September »

October, the same as September, is another fresh autumn month in Bethlehem, New Hampshire, with average temperature ranging between max 52.9°F (11.6°C) and min 38.5°F (3.6°C). In October, the average high-temperature drops, from a comfortable 66.9°F (19.4°C) in September, to a cool 52.9°F (11.6°C). Weather in October »

The last month of the autumn, November, is also a wintry month in Bethlehem, New Hampshire, with average temperature varying between 39.4°F (4.1°C) and 27.5°F (-2.5°C). In Bethlehem, the average high-temperature in November decreases, from a cool 52.9°F (11.6°C) in October, to a cold 39.4°F (4.1°C). Weather in November »

December, the first month of the winter, in Bethlehem, is also a subzero cold month, with average temperature varying between 28.2°F (-2.1°C) and 18.1°F (-7.7°C). In December, the average high-temperature drops, from a cold 39.4°F (4.1°C) in November, to a subzero cold 28.2°F (-2.1°C). Weather in December »

What is the coldest month in Bethlehem?

The coldest month is January, with an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 9.3°F (-12.6°C).

What are the most humid months in Bethlehem?

January and February, with an average relative humidity of 89%, are most humid months in Bethlehem, New Hampshire.

How much does it rain in Bethlehem?

Throughout the year, in Bethlehem, there are 164.3 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

When does it snow in Bethlehem?

Months with snowfall in Bethlehem, New Hampshire, are January through May, October through December.

How much does it snow in Bethlehem?

In Bethlehem, New Hampshire, during the entire year, snow falls for 99.6 days, and aggregates up to 57.68" (1465mm) of snow.

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

Months with the lowest UV index in Bethlehem are January, February and December, with an average maximum UV index of 1.

What is the snowiest month in Bethlehem?

The month with the most snowfall is February when snow falls for 20.8 days and typically aggregates up to 13.58" (345mm) of snow.

What is the month with the least sunshine in Bethlehem?

The month with the least sunshine in Bethlehem is February, with an average of 3h of sunshine.

What is the least humid month in Bethlehem?

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

When it does not snow in Bethlehem?

June through September are months without snowfall.

When are the longest days in Bethlehem?

The month with the longest days in Bethlehem, New Hampshire, is June, with an average of 15.5h of daylight.

When is the highest UV index in Bethlehem?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the warmest month in Bethlehem?

July is the warmest month in Bethlehem, with an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 54.1°F (12.3°C).

What month has the most sunshine in Bethlehem?

The month with the most sunshine in Bethlehem is August, with an average of 9.9h of sunshine.

What is the driest month in Bethlehem?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 2.09" (53mm) of precipitation.

What is the rainiest month in Bethlehem?

October is the month with the most rainfall. Rain falls for 16.1 days and accumulates 2.91" (74mm) of precipitation.

What is the month with the shortest days in Bethlehem?

The month with the shortest days in Bethlehem is December, with an average of 8.9h of daylight.
Average temperature - Bethlehem, NH
Average humidity - Bethlehem, NH
Average rainfall - Bethlehem, NH
Average rainfall days - Bethlehem, NH

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall - Bethlehem, NH
Average snowfall days - Bethlehem, NH

The month with the highest number of snowfall days is January (21.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Bethlehem, NH

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

The month with the most sunshine is August (Average sunshine: 9.9h).
The month with the least sunshine is February (Average sunshine: 3h).