Morris Plains (NJ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Morris Plains.
Climate overview of Morris Plains
Morris Plains, New Jersey, United States of America, sees big temperature differences between seasons, with July peaking at 30°C (86°F) and February dropping to 3°C (37°F).
Rain/snowfall is high, totalling around 1307 mm (51 in) per year. June is the wettest month and November the driest. Sunshine peaks in July, when the city sees around 9.0 hours of sunshine per day.
Morris Plains Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Morris Plains — and find the best time to visit.
Monthly Temperature in Morris Plains
Visitors to Morris Plains can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like February.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around -7°C (19°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Morris Plains
Morris Plains is known for its substantial rain/snowfall, with annual precipitation reaching 1307 mm (51 in). While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 138 mm (5.4 in) of precipitation, spread over 14 rainy days.
In contrast, the driest month November experiences a drier climate, with about 82 mm (3.2 in) of rainfall spread across 8 rainy days. For more details, please visit our Morris Plains Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Morris Plains
Seasonal changes in sunshine hours are quite dramatic in Morris Plains. While July receives considerable daily sunshine with up to 9.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Morris Plains by Month
The relative humidity is high throughout the year in Morris Plains.
The city experiences its highest humidity in September, reaching 68%. In April, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Morris Plains
The weather does bring rainfall during this period, between 97 mm (3.8 in) and 138 mm (5.4 in). Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Morris Plains
What is the best time to visit Morris Plains?
September typically offers the most optimal weather in Morris Plains. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Morris Plains?
Daytime highs range from 3°C (37°F) in February to 30°C (86°F) in July. Nighttime lows range from -7°C (19°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Morris Plains get?
Annual rainfall is around 1307 mm (51 in). June is the wettest month with 138 mm (5.4 in), while November is the driest with 82 mm (3.2 in).
How sunny is Morris Plains?
Morris Plains receives around 2,544 hours of sunshine per year. July is the sunniest month with 271 hours, while December is the cloudiest with just 141 hours. Overall, Morris Plains enjoys abundant sunshine.
Morris Plains 3-Day Forecast
Morris Plains (NJ) 3-Day Forecast
Morris Plains on the map
Morris Plains is highlighted — select any city to see its climate.
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