Climate and monthly weather forecastJacksonville, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, in Jacksonville, New York, is a freezing cold winter month, with an average temperature ranging between max 28.2°F (-2.1°C) and min 16.7°F (-8.5°C). The month of January, characterized by an average high of 28.2°F (-2.1°C) and a low of 16.7°F (-8.5°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Jacksonville, New York, with an average temperature ranging between max 31.1°F (-0.5°C) and min 18°F (-7.8°C). Jacksonville's shift into February sets the average high-temperature at a still freezing cold 31.1°F (-0.5°C), a figure that deviates only slightly from January's 28.2°F (-2.1°C). Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Jacksonville, New York, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 40.1°F (4.5°C). As March begins, there is an increase in the average high-temperature, moving from a subzero cold 31.1°F (-0.5°C) in February to an icy 40.1°F (4.5°C). Weather in March »Weather in April
April in Jacksonville, New York, is a fresh spring month, with temperature in the range of an average high of 53.1°F (11.7°C) and an average low of 35.4°F (1.9°C). The shift from March to April brings an increase in the average high-temperature, moving from a cold 40.1°F (4.5°C) to a fresh 53.1°F (11.7°C). Weather in April »Weather in May
May, the last month of the spring in Jacksonville, is a refreshing month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 46.6°F (8.1°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 53.1°F (11.7°C) to an enjoyable 66.7°F (19.3°C). Weather in May »Weather in June
June, the first month of the summer in Jacksonville, is a pleasant month, with an average temperature ranging between max 73.2°F (22.9°C) and min 52.5°F (11.4°C). The commencement of June sees a minor shift in the average high-temperature, moving from a comfortable 66.7°F (19.3°C) in May to a pleasant 73.2°F (22.9°C). Weather in June »Weather in July
July is a warm summer month in Jacksonville, New York, with an average temperature fluctuating between 79.2°F (26.2°C) and 58.3°F (14.6°C). July brings the highest temperatures, with an average high of 79.2°F (26.2°C) and an average low of 58.3°F (14.6°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Jacksonville, New York, with an average temperature varying between 56.1°F (13.4°C) and 77°F (25°C). Jacksonville observes an average high-temperature of a still warm 77°F (25°C) in August, barely different from 79.2°F (26.2°C) in July. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Jacksonville, New York, with an average temperature varying between 50.7°F (10.4°C) and 70.7°F (21.5°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 77°F (25°C) in August to a pleasant 70.7°F (21.5°C). Weather in September »Weather in October
October, the same as September, in Jacksonville, New York, is another refreshing autumn month, with an average temperature ranging between max 57.4°F (14.1°C) and min 42.4°F (5.8°C). In October, the average high-temperature decreases from a pleasant 70.7°F (21.5°C) in September to a moderate 57.4°F (14.1°C). Weather in October »Weather in November
November, the last month of the autumn in Jacksonville, is also a frosty month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 44.4°F (6.9°C). November's arrival comes with a decrease in the average high-temperature, moving from a refreshing 57.4°F (14.1°C) in October to a chilly 44.4°F (6.9°C). Weather in November »Weather in December
December, the first month of the winter in Jacksonville, is also a wintry month, with an average temperature varying between 24.8°F (-4°C) and 34°F (1.1°C). The onset of December coincides with a reduction in the average high-temperature, falling from a chilly 44.4°F (6.9°C) in November to a wintry 34°F (1.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Jacksonville, NY
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
Jacksonville, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Jacksonville, NY
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.8mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity
Jacksonville, NY
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall
Jacksonville, NY
- Average rainfall in January:
1.93" - Average rainfall in February:
2.17" - Average rainfall in March:
2.24" - Average rainfall in April:
2.83" - Average rainfall in May:
3.15" - Average rainfall in June:
3.43"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.87" - Average rainfall in September:
2.44" - Average rainfall in October:
3.03" - Average rainfall in November:
1.97" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days
Jacksonville, NY
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
16.4 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
16.2 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Jacksonville, NY
The month with the highest snowfall is February (8.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Jacksonville, NY
- Average snowfall days in January:
18.8 days - Average snowfall days in February:
18.4 days - Average snowfall days in March:
13.8 days - Average snowfall days in April:
5.7 days - Average snowfall days in May:
0.6 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:
1.4 days - Average snowfall days in November:
8.7 days - Average snowfall days in December:
16 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Jacksonville, NY
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
2h and 42min - Average sunshine in February:
2h and 36min - Average sunshine in March:
4h and 30min - Average sunshine in April:
6h and 48min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 30min - Average sunshine in October:
4h and 36min - Average sunshine in November:
4h and 24min - Average sunshine in December:
2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days
Jacksonville, NY
- Average sunshine days in January:
8.4 days - Average sunshine days in February:
5.8 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
10.4 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
11.6 days - Average sunshine days in December:
8.6 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (5.8 days).
Average UV index
Jacksonville, 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
Jacksonville, NY
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility
Jacksonville, NY
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





