Monthly weather forecast and climate
Hannibal, NY

January, the same as December, in Hannibal, New York, is a freezing cold winter month, with average temperature fluctuating between 19.8°F (-6.8°C) and 28.8°F (-1.8°C). With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Hannibal, is another freezing cold month, with average temperature ranging between max 30.4°F (-0.9°C) and min 20.7°F (-6.3°C). In February, the average high-temperature is almost the same as in January - a still freezing cold 30.4°F (-0.9°C). Weather in February »

The first month of the spring, March, is a wintry month in Hannibal, New York, with average temperature fluctuating between 27.7°F (-2.4°C) and 37.9°F (3.3°C). In March, the average high-temperature slightly increases, from a subzero cold 30.4°F (-0.9°C) in February, to a cold 37.9°F (3.3°C). Weather in March »

April in Hannibal, New York, is a frosty spring month, with average temperature ranging between max 48.9°F (9.4°C) and min 37.6°F (3.1°C). In Hannibal, New York, the average high-temperature rises, from a wintry 37.9°F (3.3°C) in March, to a chilly 48.9°F (9.4°C). Weather in April »

The last month of the spring, May, is a comfortable month in Hannibal, New York, with average temperature ranging between min 47.8°F (8.8°C) and max 60.8°F (16°C). In Hannibal, the average high-temperature in May increases, from a chilly 48.9°F (9.4°C) in April, to a comfortable 60.8°F (16°C). Weather in May »

June, the first month of the summer, in Hannibal, is a pleasant month, with average temperature fluctuating between 56.1°F (13.4°C) and 68°F (20°C). In June, the average high-temperature marginally rises, from a comfortable 60.8°F (16°C) in May, to an agreeable 68°F (20°C). Weather in June »

July in Hannibal, New York, is a warm summer month, with average temperature varying between 63.1°F (17.3°C) and 75.4°F (24.1°C). With an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Hannibal, is another warm month, with average temperature varying between 74.7°F (23.7°C) and 62.4°F (16.9°C). In August, the average high-temperature is almost the same as in July - a still warm 74.7°F (23.7°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Hannibal, New York, with average temperature varying between 57°F (13.9°C) and 69.4°F (20.8°C). In Hannibal, the average high-temperature in September is almost the same as in August - a pleasant 69.4°F (20.8°C). Weather in September »

October, like September, is another mild autumn month in Hannibal, New York, with average temperature fluctuating between 57.4°F (14.1°C) and 47.3°F (8.5°C). In Hannibal, the average high-temperature decreases, from a pleasant 69.4°F (20.8°C) in September, to a mild 57.4°F (14.1°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Hannibal, New York, with average temperature varying between 35.8°F (2.1°C) and 45°F (7.2°C). In November, the average high-temperature decreases, from a moderate 57.4°F (14.1°C) in October, to a frosty 45°F (7.2°C). Weather in November »

The first month of the winter, December, is still a cold month in Hannibal, New York, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 34.7°F (1.5°C). In December, the average high-temperature decreases, from a chilly 45°F (7.2°C) in November, to a cold 34.7°F (1.5°C). Weather in December »

What is the coldest month in Hannibal?

With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month.

What are the most humid months in Hannibal?

Months with the highest humidity in Hannibal are January and February, with an average relative humidity of 84%.

How many days does it rain in Hannibal?

In Hannibal, during the entire year, the rain falls for 152.2 days and collects up to 19.69" (500mm) of precipitation.

What is the driest month in Hannibal?

The month with the least rainfall in Hannibal is January when the rain falls for 7.9 days and typically collects 1.14" (29mm) of precipitation.

When does it snow in Hannibal?

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

How many days does it snow in Hannibal?

Throughout the year, in Hannibal, there are 65.5 snowfall days, and 15.47" (393mm) of snow is accumulated.

What is the month with the least sunshine in Hannibal?

January and February, with an average of 2.6h of sunshine, are months with the least sunshine in Hannibal.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hannibal, New York.

What is the snowiest month in Hannibal?

The month with the most snowfall in Hannibal, New York, is February when snow falls for 15.4 days and typically aggregates up to 3.54" (90mm) of snow.

What is the wettest month in Hannibal?

The month with the most rainfall is May when the rain falls for 16.1 days and typically aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Hannibal?

May through September are months without snowfall.

When are the longest days in Hannibal?

June has the longest days of the year in Hannibal, New York, with an average of 15.4h of daylight.

What is the warmest month in Hannibal?

With an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 63.1°F (17.3°C), July is the warmest month in Hannibal.

What month has the most sunshine in Hannibal?

July has the most sunshine of the year in Hannibal, with an average of 10.6h of sunshine.

When is the highest UV index in Hannibal?

With an average maximum UV index of 6, July is the month with the highest UV index in Hannibal.

What are the least humid months in Hannibal?

Months with the lowest humidity in Hannibal, New York, are September and November, with an average relative humidity of 77%.

What is the month with the shortest days in Hannibal?

With an average of 9h of daylight, December has the shortest days of the year.
Average temperature - Hannibal, NY
Average pressure - Hannibal, NY

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed - Hannibal, NY

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity - Hannibal, NY
Average rainfall - Hannibal, NY
Average rainfall days - Hannibal, NY

Months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is February (6.9 days).

Average snowfall - Hannibal, NY
Average snowfall days - Hannibal, NY

The month with the highest number of snowfall days is January (16.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Hannibal, NY

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

The month with the most sunshine is July (Average sunshine: 10.6h).
Months with the least sunshine are January and February (Average sunshine: 2.6).

Average sunshine days - Hannibal, NY

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7 days).

Average visibility - Hannibal, NY

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).