Climate and monthly weather forecastCologne, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Cologne, New Jersey, is an icy winter month, with an average temperature fluctuating between 39.7°F (4.3°C) and 29.7°F (-1.3°C). In Cologne, the month of January is known for its lowest average temperatures, reaching a high of 39.7°F (4.3°C) and a low of 29.7°F (-1.3°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Cologne, New Jersey, with an average temperature varying between 42.4°F (5.8°C) and 31.5°F (-0.3°C). At the start of February, Cologne's average high-temperature reaches a still icy 42.4°F (5.8°C), subtly different from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Cologne, New Jersey, with an average temperature ranging between min 37.2°F (2.9°C) and max 48.2°F (9°C). As March arrives, Cologne's weather shows a minor increase in high-temperatures, edging from February's icy 42.4°F (5.8°C) to a chilly 48.2°F (9°C). Weather in March »Weather in April
April is a refreshing spring month in Cologne, New Jersey, with an average temperature ranging between min 46.8°F (8.2°C) and max 58.6°F (14.8°C). April's arrival coincides with a temperature rise, moving from March's chilly 48.2°F (9°C) to a mild 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Cologne, is an enjoyable month, with an average temperature varying between 55.9°F (13.3°C) and 67.6°F (19.8°C). Cologne's May weather shows an increase in high-temperatures, moving from April's refreshing 58.6°F (14.8°C) to a comfortable 67.6°F (19.8°C). Weather in May »Weather in June
June, the first month of the summer in Cologne, is a moderately hot month, with an average temperature fluctuating between 64.2°F (17.9°C) and 76.6°F (24.8°C). With the transition into June, Cologne experiences an increase in average high-temperatures, moving up from an enjoyable 67.6°F (19.8°C) in May to a warm 76.6°F (24.8°C). Weather in June »Weather in July
July, like June, in Cologne, New Jersey, is a moderately hot summer month, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 82°F (27.8°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 82°F (27.8°C) and a low of 70.5°F (21.4°C). In July, the average heat index is calculated to be a tropical 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 Cologne, New Jersey, with an average temperature varying between 81.3°F (27.4°C) and 69.6°F (20.9°C). Transitioning into August, Cologne records an average high-temperature of a still warm 81.3°F (27.4°C), almost identical to July's 82°F (27.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Cologne, New Jersey, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 64.2°F (17.9°C). With the commencement of September, Cologne records a moderate temperature decline, with the average high easing from August's moderately hot 81.3°F (27.4°C) to a still warm 74.8°F (23.8°C). Weather in September »Weather in October
October, like September, in Cologne, New Jersey, is another refreshing autumn month, with an average temperature varying between 54.5°F (12.5°C) and 65.1°F (18.4°C). October shows a mild decline in the average high-temperature, falling from September's moderately hot 74.8°F (23.8°C) to an enjoyable 65.1°F (18.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Cologne, New Jersey, with an average temperature fluctuating between 43.5°F (6.4°C) and 54.1°F (12.3°C). As October transitions to November, the average high-temperature falls from a refreshing 65.1°F (18.4°C) to a fresh 54.1°F (12.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Cologne, New Jersey, with an average temperature fluctuating between 36.5°F (2.5°C) and 46°F (7.8°C). With the onset of December, the average high-temperature subtly recedes from November's cool 54.1°F (12.3°C) to a frosty 46°F (7.8°C). Weather in December »Updated: Aug 21, 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
The lowest temperatures are recorded in January, with averages reaching a high of 39.7°F (4.3°C) and a low of 29.7°F (-1.3°C).
The month with the least rainfall is January, when the rain falls for 8.3 days and typically collects 1.61" (41mm) of precipitation.
In Cologne, during the entire year, the rain falls for 144.2 days and collects up to 27.48" (698mm) of precipitation.
Months with snowfall are January through April, November and December.
In Cologne, New Jersey, during the entire year, snow falls for 12.6 days and aggregates up to 5.79" (147mm) of snow.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
February has the least sunshine of the year, with an average of 4.9h of sunshine.
The month with the most snowfall is March, when snow falls for 2.9 days and typically aggregates up to 1.97" (50mm) of snow.
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.
April is the least humid month, with an average relative humidity of 73%.
The months with the highest humidity are May and June, with an average relative humidity of 79%.
May through October are months without snowfall.
The months with the highest UV index in Cologne are May through August, with an average maximum UV index of 6.
With an average of 14h and 54min of daylight, June has the longest days of the year.
In Cologne, the peak average temperatures are observed in July, with a high of 82°F (27.8°C) and a low of 70.5°F (21.4°C).
With an average of 10.7h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall in Cologne. Rain falls for 15.2 days and accumulates 2.91" (74mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Cologne, NJ
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure
Cologne, NJ
- Average pressure in January:
30.08"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
Cologne, NJ
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.4mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).
Average humidity
Cologne, NJ
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Cologne, NJ
- Average rainfall in January:
1.61" - Average rainfall in February:
2.2" - Average rainfall in March:
2.6" - Average rainfall in April:
2.01" - Average rainfall in May:
2.4" - Average rainfall in June:
1.93"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.91" - Average rainfall in September:
1.73" - Average rainfall in October:
2.48" - Average rainfall in November:
2.09" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is August (2.91").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days
Cologne, NJ
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
15 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is July (16.1 days).
The months with the least rainy days are January and November (8.3 days).
Average snowfall
Cologne, NJ
The month with the highest snowfall is March (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Cologne, NJ
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.5 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.1 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:
0.2 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Cologne, 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 18min - 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 42min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Cologne, NJ
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
16 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Cologne, 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
Cologne, NJ
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Cologne, 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).
