Expand
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
Climate and monthly weather forecast
Weather in January
January, like December, in Delmont, New Jersey, is another cold winter month, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 40.1°F (4.5°C). Delmont notes the coldest temperatures in January, with a high average of 40.1°F (4.5°C) and a low of 31.3°F (-0.4°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Delmont, New Jersey, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 32.7°F (0.4°C). As February takes its course, Delmont's average high-temperature registers at a still wintry 42.1°F (5.6°C), closely aligning with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Delmont, New Jersey, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 38.3°F (3.5°C). Delmont ushers in March with an average high-temperature of a frosty 47.3°F (8.5°C), showing a close resemblance to the previous month. Weather in March »
Weather in April
April in Delmont, New Jersey, is a moderate spring month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 56.8°F (13.8°C). April witnesses an increase in the average high-temperature, moving from a chilly 47.3°F (8.5°C) in March to a moderate 56.8°F (13.8°C). Weather in April »
Weather in May
May, the last month of the spring in Delmont, is an enjoyable month, with an average temperature ranging between min 57°F (13.9°C) and max 66.2°F (19°C). A shift in the average high-temperature is noticeable in May, changing from a mild 56.8°F (13.8°C) in April to a still refreshing 66.2°F (19°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Delmont, New Jersey, with an average temperature varying between 66.2°F (19°C) and 74.8°F (23.8°C). In Delmont, the onset of June comes with a modest high-temperature shift, transitioning from May's enjoyable 66.2°F (19°C) to a moderately hot 74.8°F (23.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Delmont, New Jersey, with an average temperature varying between 72.1°F (22.3°C) and 80.8°F (27.1°C). With an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 72.1°F (22.3°C), July is the warmest month. The heat index in July is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Delmont, is another warm month, with an average temperature varying between 71.6°F (22°C) and 79.9°F (26.6°C). Delmont experiences a subtle adjustment in high-temperatures to a still warm 79.9°F (26.6°C) with the onset of August, maintaining near parity with July's 80.8°F (27.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Delmont, New Jersey, with an average temperature fluctuating between 73.9°F (23.3°C) and 66.2°F (19°C). A moderate decline in average high-temperatures is noted in September, moving from 79.9°F (26.6°C) in August to a still moderately hot 73.9°F (23.3°C). Weather in September »
Weather in October
October, like September, in Delmont, New Jersey, is another comfortable autumn month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 56.3°F (13.5°C). With the onset of October, Delmont experiences a modest temperature adjustment, with the average high-temperature receding from a warm 73.9°F (23.3°C) in September to a refreshing 64.4°F (18°C). Weather in October »
Weather in November
November, the last month of the autumn in Delmont, is also a fresh month, with an average temperature fluctuating between 45.5°F (7.5°C) and 54.1°F (12.3°C). With November's onset, the weather shows a temperature decrease, transitioning from a refreshing 64.4°F (18°C) in October to a fresh 54.1°F (12.3°C). Weather in November »
Weather in December
December, the first month of the winter in Delmont, is also a frosty month, with an average temperature ranging between max 46°F (7.8°C) and min 37.9°F (3.3°C). The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a cool 54.1°F (12.3°C) in November to a chilly 46°F (7.8°C). Weather in December »
Updated: Jun 9, 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 part of the year is the coldest?
January, known for its average high temperature of 40.1°F (4.5°C) and an average low temperature of 31.3°F (-0.4°C), is the coldest month.
What is the driest month?
The month with the least rainfall in Delmont is January, when the rain falls for 7 days and typically collects 0.67" (17mm) of precipitation.
How many days does it rain?
Throughout the year, in Delmont, there are 130.8 rainfall days, and 13.23" (336mm) of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 4.7 days and accumulates 0.59" (15mm) of snow.
How many days does it snow?
In Delmont, during the entire year, snow falls for 13.2 days and aggregates up to 1.85" (47mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 5h of sunshine, February has the least sunshine of the year.
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.
When it does not snow?
April through October are months without snowfall.
What is the most humid month in Delmont?
May is the most humid month, with an average relative humidity of 81%.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What are the months with the highest UV index in Delmont?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest?
July registers as the month with the average highest temperatures, reaching 80.8°F (27.1°C) at its peak and 72.1°F (22.3°C) at the lowest.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11h of sunshine.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 13.5 days and accumulates 1.61" (41mm) of precipitation.
What is the least humid month?
The least humid month is November, with an average relative humidity of 73%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Delmont, NJ
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (40.1°F).
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure
Delmont, NJ
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"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
Delmont, NJ
- Average wind speed in January:
11.9mph - Average wind speed in February:
11.7mph - Average wind speed in March:
11.6mph - Average wind speed in April:
11.5mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
8.1mph - Average wind speed in September:
9.5mph - Average wind speed in October:
11.1mph - Average wind speed in November:
11.4mph - Average wind speed in December:
11.4mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity
Delmont, NJ
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall
Delmont, NJ
- Average rainfall in January:
0.67" - Average rainfall in February:
0.79" - Average rainfall in March:
0.98" - Average rainfall in April:
0.91" - Average rainfall in May:
1.42" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.38" - Average rainfall in August:
1.61" - Average rainfall in September:
0.91" - Average rainfall in October:
1.26" - Average rainfall in November:
0.98" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Delmont, NJ
- Average rainfall days in January:
7 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7 days).
Average snowfall
Delmont, NJ
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Delmont, NJ
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.1 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:
0.5 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Delmont, NJ
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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:
14h and 5min
- 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 3min
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 30min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).
Average sunshine days
Delmont, NJ
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.6 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (13.4 days).
Average UV index
Delmont, 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 and December (UV index 2).
Average cloud cover
Delmont, NJ
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Delmont, 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).