Climate and monthly weather forecastHannibal, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, in Hannibal, New York, is a freezing cold winter month, with an average temperature varying between 28.8°F (-1.8°C) and 19.8°F (-6.8°C). Hannibal's coldest temperatures are experienced in January, with average high temperatures of 28.8°F (-1.8°C) and lows of 19.8°F (-6.8°C). Weather in January »Weather in February
February, the last month of the winter in Hannibal, is another freezing cold month, with an average temperature varying between 20.7°F (-6.3°C) and 30.4°F (-0.9°C). Hannibal records a slight change with February's average high-temperatures adjusting to a still freezing cold 30.4°F (-0.9°C) from January's 28.8°F (-1.8°C). Weather in February »Weather in March
March, the first month of the spring in Hannibal, is an icy month, with an average temperature varying between 37.9°F (3.3°C) and 27.7°F (-2.4°C). The arrival of March introduces a minor uplift in high-temperatures, adjusting from a freezing cold 30.4°F (-0.9°C) in February to a wintry 37.9°F (3.3°C). Weather in March »Weather in April
April in Hannibal, New York, is a chilly spring month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 48.9°F (9.4°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 37.9°F (3.3°C) to a frosty 48.9°F (9.4°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Hannibal, New York, with an average temperature varying between 60.8°F (16°C) and 47.8°F (8.8°C). As Hannibal welcomes May, the average high-temperature sees a rise, transitioning from a frosty 48.9°F (9.4°C) in April to a refreshing 60.8°F (16°C). Weather in May »Weather in June
June, the first month of the summer in Hannibal, is an agreeable month, with an average temperature ranging between min 56.1°F (13.4°C) and max 68°F (20°C). In Hannibal, stepping into June brings a gentle temperature nudge, moving slightly up from May's enjoyable 60.8°F (16°C) to a pleasant 68°F (20°C). Weather in June »Weather in July
July is a warm summer month in Hannibal, New York, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 75.4°F (24.1°C). July is Hannibal's warmest month, registering average high temperatures of 75.4°F (24.1°C) and lows of 63.1°F (17.3°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Hannibal, New York, with an average temperature ranging between max 74.7°F (23.7°C) and min 62.4°F (16.9°C). The arrival of August brings an average high-temperature of a still moderately hot 74.7°F (23.7°C), closely following the temperature pattern of July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Hannibal, New York, with an average temperature fluctuating between 69.4°F (20.8°C) and 57°F (13.9°C). Hannibal measures an average high-temperature of an agreeable 69.4°F (20.8°C) in September, nearly consistent with the preceding month. Weather in September »Weather in October
October, like September, is another refreshing autumn month in Hannibal, New York, with an average temperature fluctuating between 47.3°F (8.5°C) and 57.4°F (14.1°C). As September transitions to October, the average high-temperature falls from a pleasant 69.4°F (20.8°C) to a refreshing 57.4°F (14.1°C). Weather in October »Weather in November
November, the last month of the autumn in Hannibal, is also a frosty month, with temperature in the range of an average high of 45°F (7.2°C) and an average low of 35.8°F (2.1°C). November shows a mild decline in the average high-temperature, falling from October's moderate 57.4°F (14.1°C) to a chilly 45°F (7.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Hannibal, New York, with an average temperature varying between 27.7°F (-2.4°C) and 34.7°F (1.5°C). A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 45°F (7.2°C) in November to a wintry 34.7°F (1.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hannibal, NY
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Hannibal, NY
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Hannibal, NY
- Average wind speed in January:
12.6mph - Average wind speed in February:
12.1mph - Average wind speed in March:
11.2mph - Average wind speed in April:
10.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10.4mph - Average wind speed in November:
11.6mph - Average wind speed in December:
12.2mph
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
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are September and November (77%).
Average rainfall
Hannibal, NY
- Average rainfall in January:
1.14" - Average rainfall in February:
1.22" - Average rainfall in March:
1.26" - Average rainfall in April:
1.46" - Average rainfall in May:
2.44" - Average rainfall in June:
2.32"
- Average rainfall in July:
1.93" - Average rainfall in August:
1.93" - Average rainfall in September:
1.22" - Average rainfall in October:
2.01" - Average rainfall in November:
1.3" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
Hannibal, NY
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
14.9 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
8.6 days
The 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
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Hannibal, NY
- Average snowfall days in January:
16.3 days - Average snowfall days in February:
15.4 days - Average snowfall days in March:
9.4 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.9 days - Average snowfall days in November:
6.9 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hannibal, NY
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 36min - Average sunshine in February:
2h and 36min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 30min - Average sunshine in May:
9h and 12min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 24min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days
Hannibal, NY
- Average sunshine days in January:
8.8 days - Average sunshine days in February:
7 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
12.4 days - Average sunshine days in November:
12.2 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7 days).
Average UV index
Hannibal, NY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Hannibal, NY
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Hannibal, NY
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





