Climate and monthly weather forecastJohnsontown, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Johnsontown, New Jersey, is another cold winter month, with an average temperature fluctuating between 39.9°F (4.4°C) and 30.4°F (-0.9°C). In Johnsontown, January records the lowest average temperatures, peaking at 39.9°F (4.4°C) and reaching a low of 30.4°F (-0.9°C). Weather in January »Weather in February
February, the last month of the winter in Johnsontown, is also a wintry month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 41.9°F (5.5°C). Entering February, the average high-temperature is recorded at a still icy 41.9°F (5.5°C), exhibiting a minimal shift from January's 39.9°F (4.4°C). Weather in February »Weather in March
March, the first month of the spring in Johnsontown, is a frosty month, with an average temperature varying between 47.7°F (8.7°C) and 37.4°F (3°C). The embrace of March brings a minor uplift in the average high-temperature, shifting from a cold 41.9°F (5.5°C) in February to a frosty 47.7°F (8.7°C). Weather in March »Weather in April
April in Johnsontown, New Jersey, is a mild spring month, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 56.8°F (13.8°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a chilly 47.7°F (8.7°C) to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Johnsontown, New Jersey, with an average temperature ranging between max 65.7°F (18.7°C) and min 55.9°F (13.3°C). A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from a moderate 56.8°F (13.8°C) to an enjoyable 65.7°F (18.7°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Johnsontown, New Jersey, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 64.6°F (18.1°C). As Johnsontown, New Jersey, enters June, the average high-temperature increases from the a comfortable 65.7°F (18.7°C) of May to a warm 74.8°F (23.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Johnsontown, New Jersey, with an average temperature fluctuating between 71.2°F (21.8°C) and 81.1°F (27.3°C). Johnsontown's temperatures peak on average in July, reaching 81.1°F (27.3°C) at their highest and 71.2°F (21.8°C) at their lowest. For most parts of July, the heat index is computed to be a hot 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Johnsontown, is also a moderately hot month, with an average temperature fluctuating between 80.2°F (26.8°C) and 70.5°F (21.4°C). In Johnsontown, August's average high-temperature stands at a still warm 80.2°F (26.8°C), closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Johnsontown, New Jersey, with an average temperature fluctuating between 74.3°F (23.5°C) and 65.3°F (18.5°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from 80.2°F (26.8°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Johnsontown, New Jersey, with an average temperature varying between 55.4°F (13°C) and 64.8°F (18.2°C). October's arrival corresponds with a decrease in average high-temperatures, from September's moderately hot 74.3°F (23.5°C) to a comfortable 64.8°F (18.2°C). Weather in October »Weather in November
November, the last month of the autumn in Johnsontown, is another cool month, with an average temperature fluctuating between 53.6°F (12°C) and 44.6°F (7°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a refreshing 64.8°F (18.2°C) in October to a cool 53.6°F (12°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Johnsontown, New Jersey, with an average temperature fluctuating between 37°F (2.8°C) and 46°F (7.8°C). Johnsontown's December weather features a light decline in high-temperatures, reducing from a cool 53.6°F (12°C) in November to a chilly 46°F (7.8°C). Weather in December »Updated: Aug 28, 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
January, with its average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 30.4°F (-0.9°C), holds the record as the coldest month.
January, March, April and November, with an average relative humidity of 74%, are the least humid months.
In Johnsontown, during the entire year, the rain falls for 86.1 days and collects up to 6.69" (170mm) of precipitation.
Months with snowfall are January through March and December.
The month with the most snowfall in Johnsontown is January, when snow falls for 1.9 days and typically aggregates up to 0.2" (5mm) of snow.
In Johnsontown, during the entire year, snow falls for 6 days and aggregates up to 0.59" (15mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
With an average of 4.9h of sunshine, February has the least sunshine of the year.
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.
In Johnsontown, snow does not fall in April through November.
The months with the highest humidity are May and June, with an average relative humidity of 80%.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June has the longest days of the year in Johnsontown, with an average of 14h and 54min of daylight.
The warmest time of the year is July, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 71.2°F (21.8°C).
With an average of 10.8h of sunshine, July has the most sunshine of the year.
The month with the least rainfall is September, when the rain falls for 6.1 days and typically collects 0.28" (7mm) of precipitation.
December is the month with the most rainfall. Rain falls for 5.5 days and accumulates 0.75" (19mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Johnsontown, NJ
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure
Johnsontown, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Johnsontown, NJ
- Average wind speed in January:
11.7mph - Average wind speed in February:
11.6mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
8.2mph - Average wind speed in August:
8mph - Average wind speed in September:
9.2mph - Average wind speed in October:
10.7mph - Average wind speed in November:
11.1mph - Average wind speed in December:
11.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity
Johnsontown, NJ
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
Johnsontown, NJ
- Average rainfall in January:
0.39" - Average rainfall in February:
0.47" - Average rainfall in March:
0.51" - Average rainfall in April:
0.59" - Average rainfall in May:
0.55" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.67" - Average rainfall in September:
0.28" - Average rainfall in October:
0.59" - Average rainfall in November:
0.63" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Johnsontown, NJ
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
8.6 days - Average rainfall days in May:
8.5 days - Average rainfall days in June:
8.3 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
10 days - Average rainfall days in September:
6.1 days - Average rainfall days in October:
6.5 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Johnsontown, NJ
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Johnsontown, NJ
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
1 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Johnsontown, NJ
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 42min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 12min
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
Johnsontown, NJ
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
21.5 days - Average sunshine days in April:
20 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
19.8 days
- Average sunshine days in July:
18.6 days - Average sunshine days in August:
18.2 days - Average sunshine days in September:
21.7 days - Average sunshine days in October:
23 days - Average sunshine days in November:
23.5 days - Average sunshine days in December:
23.6 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (18.2 days).
Average UV index
Johnsontown, NJ
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Johnsontown, NJ
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
Johnsontown, 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).
