Climate and monthly weather forecastMartinsville, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Martinsville, New Jersey, is another cold winter month, with an average temperature fluctuating between 35.6°F (2°C) and 23.2°F (-4.9°C). The coldest month is January, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Martinsville, New Jersey, with an average temperature varying between 39°F (3.9°C) and 25.2°F (-3.8°C). Martinsville, New Jersey, experiences a transition to a still wintry 39°F (3.9°C) in average high-temperatures with the arrival of February, not greatly differing from January's 35.6°F (2°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Martinsville, New Jersey, with an average temperature varying between 47.1°F (8.4°C) and 32.5°F (0.3°C). As Martinsville welcomes March, the average high-temperature sees a modest rise, transitioning from an icy 39°F (3.9°C) in February to a chilly 47.1°F (8.4°C). Weather in March »Weather in April
April in Martinsville, New Jersey, is a refreshing spring month, with an average temperature varying between 59.5°F (15.3°C) and 42.8°F (6°C). The transition to April introduces an increase in the average high-temperature, shifting from a chilly 47.1°F (8.4°C) in March to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
May, the last month of the spring in Martinsville, is an agreeable month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 70.2°F (21.2°C). The start of May brings a shift in the average high-temperature, increasing from April's refreshing 59.5°F (15.3°C) to an agreeable 70.2°F (21.2°C). Weather in May »Weather in June
June, the first month of the summer in Martinsville, is a warm month, with an average temperature varying between 78.1°F (25.6°C) and 60.4°F (15.8°C). The start of June signals a slight increase in the average high-temperature, moving from an agreeable 70.2°F (21.2°C) in May to a warm 78.1°F (25.6°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Martinsville, New Jersey, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 84.4°F (29.1°C). July registers as the month with the highest average temperatures, reaching 84.4°F (29.1°C) at its peak and 66.6°F (19.2°C) at the lowest. July's heat index is computed to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Martinsville, is also a moderately hot month, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 65.3°F (18.5°C). With the advent of August, Martinsville's high-temperatures adjust to a still warm 82.6°F (28.1°C), closely aligning with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Martinsville, is still a warm month, with an average temperature varying between 75.4°F (24.1°C) and 58.5°F (14.7°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 82.6°F (28.1°C) to a still moderately hot 75.4°F (24.1°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Martinsville, New Jersey, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 48.6°F (9.2°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a moderately hot 75.4°F (24.1°C) to a comfortable 63°F (17.2°C). Weather in October »Weather in November
November, the last month of the autumn in Martinsville, is also a fresh month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 50.9°F (10.5°C). Stepping into November, Martinsville observes a temperature decline, with the average high falling from October's comfortable 63°F (17.2°C) to a fresh 50.9°F (10.5°C). Weather in November »Weather in December
December, the first month of the winter in Martinsville, is also an icy month, with an average temperature varying between 30.7°F (-0.7°C) and 41.9°F (5.5°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's fresh 50.9°F (10.5°C) to a cold 41.9°F (5.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Martinsville, NJ
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure
Martinsville, 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:
29.98"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:
30.06"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
Martinsville, NJ
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Martinsville, NJ
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall
Martinsville, NJ
- Average rainfall in January:
2.17" - Average rainfall in February:
2.17" - Average rainfall in March:
2.83" - Average rainfall in April:
2.72" - Average rainfall in May:
2.99" - Average rainfall in June:
2.52"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.52" - Average rainfall in September:
1.57" - Average rainfall in October:
2.95" - Average rainfall in November:
2.4" - Average rainfall in December:
3.31"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days
Martinsville, NJ
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
12 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12 days - Average rainfall days in October:
13 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Martinsville, NJ
- Average snowfall in January:
2.48" - Average snowfall in February:
2.91" - Average snowfall in March:
4.06" - Average snowfall in April:
0.28" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Martinsville, NJ
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7 days - Average snowfall days in March:
5.6 days - Average snowfall days in April:
0.7 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:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
4.3 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Martinsville, NJ
- Average daylight in January:
9h and 42min - 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 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 30min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Martinsville, NJ
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.6 days).
Average UV index
Martinsville, 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
Martinsville, NJ
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Martinsville, NJ
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





