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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Jerseyville, New Jersey, with an average temperature fluctuating between 37.9°F (3.3°C) and 27.3°F (-2.6°C). Jerseyville's coldest temperatures are experienced in January, with average high temperatures of 37.9°F (3.3°C) and lows of 27.3°F (-2.6°C). Weather in January »
Weather in February
February, the last month of the winter in Jerseyville, is also an icy month, with temperature in the range of an average high of 41°F (5°C) and an average low of 29.7°F (-1.3°C). The initiation of February sees an average high-temperature of a still cold 41°F (5°C), showing minor variations from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Jerseyville, is a chilly month, with an average temperature fluctuating between 35.6°F (2°C) and 47.1°F (8.4°C). The average high-temperature mildly increases in March, edging from an icy 41°F (5°C) in February to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April is a refreshing spring month in Jerseyville, New Jersey, with an average temperature fluctuating between 57.4°F (14.1°C) and 45.1°F (7.3°C). Jerseyville experiences a temperature shift with the start of April, with average high-temperatures moving from a chilly 47.1°F (8.4°C) in March to a moderate 57.4°F (14.1°C). Weather in April »
Weather in May
May, the last month of the spring in Jerseyville, is a refreshing month, with an average temperature fluctuating between 54.5°F (12.5°C) and 66.7°F (19.3°C). Noticing a change, the average high-temperature during May moves from April's refreshing 57.4°F (14.1°C) to an enjoyable 66.7°F (19.3°C). Weather in May »
Weather in June
June, the first month of the summer in Jerseyville, is a warm month, with an average temperature fluctuating between 74.8°F (23.8°C) and 63.1°F (17.3°C). Jerseyville in June observes a minor temperature shift, with average high-temperatures adjusting from a comfortable 66.7°F (19.3°C) in May to a warm 74.8°F (23.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Jerseyville, New Jersey, with an average temperature varying between 81.5°F (27.5°C) and 69.4°F (20.8°C). July is the warmest month, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 69.4°F (20.8°C). The average heat index in July is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Jerseyville, New Jersey, with an average temperature varying between 80.4°F (26.9°C) and 69.1°F (20.6°C). August's average high-temperature stands at a still warm 80.4°F (26.9°C), showing little deviation from July's 81.5°F (27.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Jerseyville, New Jersey, with an average temperature varying between 74.1°F (23.4°C) and 63.3°F (17.4°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 80.4°F (26.9°C) to a still warm 74.1°F (23.4°C). Weather in September »
Weather in October
October, like September, in Jerseyville, New Jersey, is another enjoyable autumn month, with an average temperature ranging between min 52.9°F (11.6°C) and max 63.5°F (17.5°C). October brings a minor decrease, with the average high-temperature reducing from a moderately hot 74.1°F (23.4°C) in September to an enjoyable 63.5°F (17.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Jerseyville, is another cool month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 41.9°F (5.5°C). November weather is marked by a drop in the average high-temperature, falling from a comfortable 63.5°F (17.5°C) in October to a cool 52.3°F (11.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Jerseyville, New Jersey, with an average temperature varying between 44.1°F (6.7°C) and 34.7°F (1.5°C). With the onset of December, Jerseyville experiences a modest temperature adjustment, with the average high-temperature gently receding from a fresh 52.3°F (11.3°C) in November to a chilly 44.1°F (6.7°C). Weather in December »
Updated: Aug 1, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Jerseyville?
Temperature records mark January as the coldest month, with highs averaging 37.9°F (3.3°C) and lows at 27.3°F (-2.6°C).
What are the least humid months?
January, March, April and November, with an average relative humidity of 74%, are the least humid months.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.5 days and typically collects 1.93" (49mm) of precipitation.
How many days does it rain in Jerseyville?
Throughout the year, there are 162 rainfall days, and 32.2" (818mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
How much does it snow?
In Jerseyville, during the entire year, snow falls for 17 days and aggregates up to 5.55" (141mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 4.9h of sunshine, February has the least sunshine of the year.
When does it snow the most?
March is the month with the most snowfall. Snow falls for 2.9 days and accumulates 1.46" (37mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What are the most humid months?
May and June, with an average relative humidity of 79%, are most humid months.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
July stands out as Jerseyville's warmest month, with temperatures ranging between an average high of 81.5°F (27.5°C) and a low of 69.4°F (20.8°C).
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 17.6 days and typically aggregates up to 3.58" (91mm) of precipitation.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.8h of sunshine.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Jerseyville, NJ
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Jerseyville, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Jerseyville, NJ
- Average wind speed in January:
11.1mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity
Jerseyville, NJ
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
Jerseyville, NJ
- Average rainfall in January:
1.93" - Average rainfall in February:
2.32" - Average rainfall in March:
2.72" - Average rainfall in April:
2.32" - Average rainfall in May:
2.95" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.58" - Average rainfall in August:
3.31" - Average rainfall in September:
2.05" - Average rainfall in October:
2.72" - Average rainfall in November:
2.32" - Average rainfall in December:
3.39"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days
Jerseyville, NJ
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
12.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall
Jerseyville, NJ
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jerseyville, NJ
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Jerseyville, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Jerseyville, NJ
- Average sunshine days in January:
18 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Jerseyville, NJ
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Jerseyville, NJ
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Jerseyville, NJ
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).
Jerseyville, New Jersey, USA
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