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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, like December, in Griggstown, New Jersey, is a wintry winter month, with an average temperature varying between 24.3°F (-4.3°C) and 36.9°F (2.7°C). Griggstown notes the coldest temperatures in January, with a high average of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
February, the last month of the winter in Griggstown, is another cold month, with an average temperature varying between 26.1°F (-3.3°C) and 39.9°F (4.4°C). February is marked by an average high-temperature of a still wintry 39.9°F (4.4°C), almost identical to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Griggstown, is a chilly month, with an average temperature varying between 48.6°F (9.2°C) and 33.3°F (0.7°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's cold 39.9°F (4.4°C) to a chilly 48.6°F (9.2°C). Weather in March »
Weather in April
April in Griggstown, New Jersey, is a moderate spring month, with an average temperature varying between 43.3°F (6.3°C) and 60.4°F (15.8°C). As Griggstown transitions into April, the average high-temperature shows a change, moving from a chilly 48.6°F (9.2°C) in March to a refreshing 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Griggstown, New Jersey, with an average temperature varying between 70.5°F (21.4°C) and 53.2°F (11.8°C). May brings an increase in the average high-temperature, progressing from a mild 60.4°F (15.8°C) in April to a pleasant 70.5°F (21.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Griggstown, New Jersey, with an average temperature varying between 78.4°F (25.8°C) and 61°F (16.1°C). Observing a slight rise in June, the average high-temperature shifts from May's agreeable 70.5°F (21.4°C) to a moderately hot 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Griggstown, New Jersey, is a moderately hot summer month, with an average temperature fluctuating between 66.9°F (19.4°C) and 84.7°F (29.3°C). Griggstown's warmest month, July, registers temperatures that range from a high of 84.7°F (29.3°C) to a low of 66.9°F (19.4°C). The heat index for July is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Griggstown, New Jersey, with an average temperature varying between 82.9°F (28.3°C) and 65.8°F (18.8°C). August's weather records an average high-temperature of a still warm 82.9°F (28.3°C), showing little deviation from July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Griggstown, New Jersey, with an average temperature fluctuating between 59°F (15°C) and 75.7°F (24.3°C). September heralds a minor drop in average high-temperature, sliding from August's 82.9°F (28.3°C) to a still moderately hot 75.7°F (24.3°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Griggstown, New Jersey, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 49.1°F (9.5°C). October shows a mild decline in the average high-temperature, falling from September's warm 75.7°F (24.3°C) to a refreshing 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Griggstown, is also a fresh month, with an average temperature varying between 37.8°F (3.2°C) and 51.8°F (11°C). Griggstown's progression into November involves a drop in the average high-temperature, receding from a comfortable 63.9°F (17.7°C) in October to a fresh 51.8°F (11°C). Weather in November »
Weather in December
December, the first month of the winter in Griggstown, is also a frosty month, with an average temperature ranging between max 43°F (6.1°C) and min 31.1°F (-0.5°C). Griggstown, New Jersey, experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a fresh 51.8°F (11°C) in November to a chilly 43°F (6.1°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Griggstown?
The month of January sees the average lowest temperatures in Griggstown, reaching 36.9°F (2.7°C) at the peak and 24.3°F (-4.3°C) at the low.
How many days does it rain in Griggstown?
Throughout the year, in Griggstown, there are 119.3 rainfall days, and 12.72" (323mm) of precipitation is accumulated.
When does it snow in Griggstown?
Months with snowfall in Griggstown are January through May, November and December.
How much does it snow in Griggstown?
In Griggstown, New Jersey, during the entire year, snow falls for 16.4 days and aggregates up to 4.41" (112mm) of snow.
What is the month with the lowest UV index in Griggstown?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine in Griggstown?
With an average of 4.8h of sunshine, February has the least sunshine of the year in Griggstown, New Jersey.
When does it snow the most in Griggstown?
March is the month with the most snowfall. Snow falls for 3.7 days and accumulates 1.42" (36mm) of snow.
When is Daylight Saving Time (DST) in Griggstown?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Griggstown, 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 is the least humid month in Griggstown?
The least humid month in Griggstown is April, with an average relative humidity of 73%.
When it does not snow in Griggstown?
June through October are months without snowfall.
When are the longest days in Griggstown?
With an average of 15h and 0min of daylight, June has the longest days of the year.
When is the highest UV index in Griggstown?
The months with the highest UV index in Griggstown are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Griggstown?
Griggstown, New Jersey, records the warmest temperatures in July, averaging a high of 84.7°F (29.3°C) and a low of 66.9°F (19.4°C).
What is the rainiest month in Griggstown?
The month with the most rainfall in Griggstown, New Jersey, is July, when the rain falls for 13.9 days and typically aggregates up to 1.69" (43mm) of precipitation.
What month has the most sunshine in Griggstown?
With an average of 10.5h of sunshine, July has the most sunshine of the year in Griggstown.
What is the driest month in Griggstown?
September is the month with the least rainfall in Griggstown, New Jersey. Rain falls for 10 days and accumulates 0.67" (17mm) of precipitation.
What is the most humid month in Griggstown?
The most humid month is October, with an average relative humidity of 79%.
What is the month with the shortest days in Griggstown?
December has the shortest days of the year in Griggstown, New Jersey, with an average of 9h and 18min of daylight.
Average temperature
Griggstown, NJ
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Griggstown, 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:
30.01"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
Griggstown, NJ
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity
Griggstown, NJ
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Griggstown, NJ
- Average rainfall in January:
0.71" - Average rainfall in February:
0.83" - Average rainfall in March:
1.06" - Average rainfall in April:
0.83" - Average rainfall in May:
1.22" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.5" - Average rainfall in September:
0.67" - Average rainfall in October:
1.02" - Average rainfall in November:
0.91" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days
Griggstown, NJ
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Griggstown, NJ
- Average snowfall in January:
0.79" - Average snowfall in February:
0.94" - Average snowfall in March:
1.42" - Average snowfall in April:
0.12" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Griggstown, NJ
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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:
0.6 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Griggstown, 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:
9h and 5min - 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 18min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Griggstown, NJ
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
18.2 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index
Griggstown, 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
Griggstown, NJ
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
Griggstown, NJ
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Griggstown, New Jersey, USA
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