Martinsville is a city of approximately 12,000 people in New Jersey, United States. Located in the Eastern Time Zone at 40.6°N latitude.
Across a typical year Martinsville sees about 45 inches of precipitation, with August the wettest month and February the driest. Temperatures range from January lows near 21°F up to July highs around 86°F, averaging 53°F annually — characteristic of a humid continental climate.
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