Climate and monthly weather forecastEdison, NJ
Climate and monthly weather forecast
The climate of Edison
Edison falls under the Köppen climate classification of Cfa, a prominent representation of humid subtropical regions without a dry season. This geographical location in New Jersey translates into noteworthy variations in weather parameters year-round. As per the climate data provided, Edison grapples with a wide temperature range. High temperatures swing from a chilly 36.7°F (2.6°C) in January to a warm 84°F (28.9°C) in July; whereas, the low temperatures diverge from a cold 25°F (-3.9°C) to a mild 68.2°F (20.1°C) from January to July respectively.Humidity remains relatively constant throughout the year hovering between 72% to 77%. Edison witnesses ample rainfall with July, witnessing the highest amount reaching 3.07" (78mm). The least amount of rain falls in September with 1.54" (39mm). Rainfall days vary from 8.3 days in January to a high of 16.8 days in July. Interestingly, Edison experiences snowfall, fluctuating from negligible amounts in May to December to a peak of 3.27" (83mm) in March.
In terms of sun exposure, daylight hours range from 9.3 hours in December to a maximum of 15 hours in June. Correspondingly, the sunshine hours are lowest in January at 4.6 hours and climb to a peak of 10.4 hours in July. Wind speeds vacillate from a gentle 6mph (9.7km/h) in July to a brisk 9.3mph (15km/h) in March, with wind gusts reaching their peak of 14.5mph (23.3km/h) in February.
The best time to visit Edison
Based on the weather statistics provided, May to September present as the ideal months to visit Edison. Temperatures during this time are mildly warm, with high temperatures oscillating between 69.4°F (20.8°C) to 82.6°F (28.1°C) and lows from 53.2°F (11.8°C) to 67.5°F (19.7°C). Humidity stays relatively steady and rain chances are existent, but manageable. Additionally, these months offer the most sunlight, with daylight hours extending from 14.4 to 14.7 hours. Sunshine hours peak during this period, especially between June and August offering between 9.6 to 10.4 hours of sunshine.The worst time to visit Edison
As per the climate data provided, the months from December to February stand out as the least hospitable for visitors. The high temperatures drop to less than 40°F (4.4°C) and the lows hover around freezing conditions, between 25°F (-3.9°C) to 26.6°F (-3°C). In addition to the cold, snowfall becomes a possibility, with January witnessing 1.54" (39mm) of snow over 5.6 snowfall days. Furthermore, days are short with daylight hours falling to 9.3 to 9.7 hours and sunshine hours dwindling to 4.8 to 5.1 hours.Spring weather in Edison
Spring greets Edison with a notable warm-up in the temperatures, with highs climbing from 47.5°F (8.6°C) in March to 69.4°F (20.8°C) in May. Correspondingly, the lows rise from 34.2°F (1.2°C) to 53.2°F (11.8°C) during the same period. Though rainfall inches up from 2.36" (60mm) in March to 2.8" (71mm) in May, the rain days slightly increase, making the weather combinations fairly tolerable.Summer weather in Edison
Summers in Edison are reasonably warm, but not extremely hot. High temperatures dwell in the mid to high 70s°F to lower 80s°F category, while the low temperatures fluctuate in the low to high 60s°F during June to August. These months also boast the highest daylight and sunshine hours, with daylight varying from 14.7 to 15 hours and sunshine extending from 9.6 to 10.4 hours, making it the favorite timeframe for outdoor activities.Autumn weather in Edison
From September through November, Edison sees a gradual fall in temperatures. Highs go from 75.6°F (24.2°C) to 52°F (11.1°C), while low temperatures move from 60.4°F (15.8°C) to 39.2°F (4°C). However, rain and rain days see a decrease from 2.8" (71mm) and 15.1 days in September to 1.93" (49mm) and 9 days in November.Winter weather in Edison
Winter introduces Edison to the lowest temperatures of the year, as high temperatures go from 52°F (11.1°C) to 36.7°F (2.6°C) and low temperatures drop from 32.5°F (0.3°C) to 25°F (-3.9°C) between December and February. Snowfall starts to appear in the weather scenario with 0.94" (24mm) in December increasing to 1.54" (39mm) in January. Sunshine hours are minimum in these months, oscillating from 4.8 to 5.5 hours.Weather in January
In January, Edison, New Jersey experiences chilly temperatures with notable snowfall of 1.54" (39mm). The weather typically ranges from cold to mildly cold with occasional snowfalls. Compared to following months, it is relatively colder with lower daylight hours indicating the winter season. Weather in January »Weather in February
The weather in February introduces a slight increase in temperature from the previous month but maintains a significant level of coldness. Despite the small variation in temperature, Edison still experiences snowfall. Snow depth this month is at its highest, measuring 1.61" (41mm). Weather in February »Weather in March
March sees an incremental change in the weather pattern as winter begins to recede. Temperatures start to rise, and there is a decrease in instances of snowfall. Snowfall measures at 3.27" (83mm). While temperature increases are minimal, they signal the forthcoming spring season and a welcomed change from the frigid conditions. Weather in March »Weather in April
Edison proves to carry a very distinct spring aura during April. Temperatures rise significantly, which affects the melting of winter's snow. The last measure of snowfall is 0.16" (4mm). The end of the winter season ushers a shift in lifestyle with residents relishing outdoor activities. Weather in April »Weather in May
Weather during May transitions into a more comfortable zone with a substantial rise in temperature. The increase in daylight hours causes a total disappearance of snowfall. The absence of snow creates more engaging outdoor scenarios where floral beauty intensifies. Weather in May »Weather in June
June brings the most high-grade weather, shifting into a warm season. The warmth is mild and comfortable, not leading to the extremities of summer. There is no snowfall in June, setting a comprehensive warmth throughout Edison. Various outdoor activities become favored as residents relish the comfortable weather. The onset of June marks a slight increase in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a moderately hot 77.9°F (25.5°C). Weather in June »Weather in July
July weather in Edison wanders into summer climatic conditions. Temperature peaks in this month, with a high reaching 84°F (28.9°C). Compared to the rest of the year, the city becomes noticeably hotter. However, the weather remains quite bearable and does not go over the top. Weather in July »Weather in August
August experiences a hint of mildness as it slightly cools off from July. Subtle weather change prepares the city for the transition towards the fall season. Although the temperature remains high, it does not compare to the temperature peak in July, set at 82.6°F (28.1°C). Weather in August »Weather in September
September marks the onset of the fall season. The weather starts cooling off from the summer heat as temperatures slightly drop. The temperature reduction is evident in a decrease from 75.6 in August to a lower level in September. Weather in September »Weather in October
October fastens into the fall weather as coolness continues to spread through the city. The weather moves to a typical autumn climate with considerable temperature changes. Activities start shifting to indoors with little activity outside during cold nights. Weather in October »Weather in November
November initiates visible signs of the upcoming winter season with considerable temperature drops. The shift in climate pushes people to dress warmly in response to the colder temperature. The first signs of snowfall can be seen in November, with a thin layer measured at 0.12" (3mm). Weather in November »Weather in December
December sees the return of full-blown winter conditions and the weather is visibly cold. The month presents a significant amount of snowfall compared to previous months, having 0.94" (24mm). Outdoor activities become limited due to cold temperatures and snowfall. Weather in December »Updated: Jun 6, 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
January, on average, is the coldest month in Edison, registering a high temperature of 36.7°F (2.6°C) and a low of 25°F (-3.9°C).
In Edison, during the entire year, the rain falls for 149.9 days and collects up to 26.93" (684mm) of precipitation.
January through April, November and December are months with snowfall.
Throughout the year, there are 18.6 snowfall days, and 7.64" (194mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the highest humidity are February, October and December, with an average relative humidity of 77%.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
March is the month with the most snowfall. Snow falls for 3.8 days and accumulates 3.27" (83mm) of snow.
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.
In Edison, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days is June, with an average of 15h and 0min of daylight.
In Edison, the average highest temperatures are observed in July, with a high of 84°F (28.9°C) and a low of 68.2°F (20.1°C).
July is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.07" (78mm) of precipitation.
The month with the most sunshine is July, with an average of 10.4h of sunshine.
The least humid month is August, with an average relative humidity of 72%.
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.54" (39mm) of precipitation.
With an average of 9h and 18min of daylight, December has the shortest days of the year in Edison.
Average temperature
Edison, NJ
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure
Edison, 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:
30.05"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
Edison, NJ
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.3mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Edison, NJ
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is August (72%).
Average rainfall
Edison, NJ
- Average rainfall in January:
1.57" - Average rainfall in February:
1.69" - Average rainfall in March:
2.36" - Average rainfall in April:
2.09" - Average rainfall in May:
2.8" - Average rainfall in June:
2.24"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days
Edison, NJ
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Edison, NJ
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Edison, NJ
- Average snowfall days in January:
5.6 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 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:
3.2 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Edison, 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 24min - 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 6min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 36min - 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Edison, NJ
- Average sunshine days in January:
19 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Edison, NJ
The months with the highest UV index are May, 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
Edison, NJ
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Edison, 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).
