The best times to visit South Plainfield for ideal weather are
April 16th to June 24th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
South Plainfield Travel Guide
Other South Plainfield Travel Info
Weather in South Plainfield
Temperature
Average temperatures in South Plainfield vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 32nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit South Plainfield, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 89.9°F (32.2°C) with temperatures rarely dropping below 72.4°F (22.4°C) at night.
South Plainfield Temperatures (Fahrenheit)
Key
South Plainfield Temperatures (Celsius)
Key
“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
South Plainfield Perceived Temperature (F)
Key
South Plainfield Perceived Temperature (C)
Key
Average South Plainfield Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 40.5 | 31.9 | 24.7 |
| Feb | 41.7 | 32.5 | 25 |
| Mar | 52.6 | 42.1 | 33.9 |
| Apr | 67.4 | 55 | 45.6 |
| May | 77.7 | 65.5 | 55.5 |
| Jun | 83.8 | 73.3 | 64.8 |
| Jul | 88.8 | 78.8 | 70.3 |
| Aug | 86 | 76.5 | 68.1 |
| Sep | 80 | 70 | 61.7 |
| Oct | 68.2 | 58.3 | 49.6 |
| Nov | 57.3 | 48 | 40.1 |
| Dec | 49.3 | 41.3 | 34.7 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 4.7 | -0.1 | -4.1 |
| Feb | 5.4 | 0.3 | -3.9 |
| Mar | 11.4 | 5.6 | 1.1 |
| Apr | 19.7 | 12.8 | 7.6 |
| May | 25.4 | 18.6 | 13.1 |
| Jun | 28.8 | 22.9 | 18.2 |
| Jul | 31.6 | 26 | 21.3 |
| Aug | 30 | 24.7 | 20.1 |
| Sep | 26.7 | 21.1 | 16.5 |
| Oct | 20.1 | 14.6 | 9.8 |
| Nov | 14.1 | 8.9 | 4.5 |
| Dec | 9.6 | 5.2 | 1.5 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in South Plainfield are April, August, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid October. For example, on the week of October 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 3 days of significant precipitation the week of December 17th.
When can you find snow in South Plainfield? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in South Plainfield.
Key
Snow on the Ground
The graph below shows the average snow on the ground in South Plainfield (in).
Key
Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 15% | 0 | 2.3 |
| Feb | 20% | 0 | 2.6 |
| Mar | 19% | 0 | 3.2 |
| Apr | 9% | 0 | 1.3 |
| May | 15% | 0 | 3.2 |
| Jun | 23% | 0 | 4.1 |
| Jul | 13% | 0 | 2.3 |
| Aug | 10% | 0 | 1.5 |
| Sep | 12% | 0 | 1.5 |
| Oct | 10% | 0 | 1.3 |
| Nov | 12% | 0 | 1.9 |
| Dec | 23% | 0 | 3.6 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 15 | 0 | 5.8 |
| Feb | 20 | 0 | 6.6 |
| Mar | 19 | 0 | 8.1 |
| Apr | 9 | 0 | 3.3 |
| May | 15 | 0 | 8.1 |
| Jun | 23 | 0 | 10.4 |
| Jul | 13 | 0 | 5.8 |
| Aug | 10 | 0 | 3.8 |
| Sep | 12 | 0 | 3.8 |
| Oct | 10 | 0 | 3.3 |
| Nov | 12 | 0 | 4.8 |
| Dec | 23 | 0 | 9.1 |
Humidity and Wind
South Plainfield has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is April (41.5% relative humidity), and the most humid month is December (58.5%).
Wind in South Plainfield is usually calm. The windiest month is April, followed by February and March. April’s average wind speed of around 6.8 knots (7.8 MPH or 12.6 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid February where average top sustained speeds reach 16.5 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in South Plainfield.
Key
Wind
The graph below shows wind speed (max and average) in knots.
Key
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 6.7 | Light breeze | 14 | Significant breeze |
| Feb | 6.8 | Light breeze | 14.6 | Significant breeze |
| Mar | 6.8 | Light breeze | 14 | Significant breeze |
| Apr | 6.8 | Light breeze | 14.8 | Significant breeze |
| May | 5.4 | Light breeze | 12.7 | Significant breeze |
| Jun | 5 | Light breeze | 12.1 | Significant breeze |
| Jul | 4.6 | Light breeze | 11.5 | Significant breeze |
| Aug | 4.2 | Light breeze | 11.1 | Significant breeze |
| Sep | 4.6 | Light breeze | 10.9 | Significant breeze |
| Oct | 5.1 | Light breeze | 12.2 | Significant breeze |
| Nov | 5.3 | Light breeze | 12.8 | Significant breeze |
| Dec | 5.9 | Light breeze | 13.5 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 47.3% |
| Feb | 47.6% |
| Mar | 45.2% |
| Apr | 41.5% |
| May | 51.2% |
| Jun | 56.1% |
| Jul | 52% |
| Aug | 51.9% |
| Sep | 56% |
| Oct | 55.3% |
| Nov | 51% |
| Dec | 58.5% |
Is it Safe to Travel to South Plainfield?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in South Plainfield, NJ, US is July, followed by September and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit South Plainfield in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Key
Overall South Plainfield Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 82.4°F (28°C) and 42.6°F (5.9°C) with far warmer temperatures in the later months. Rain is somewhat common with 3 to 6 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 3 to 7 days of precipitation per month. June – August is the busiest season for tourism in South Plainfield, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 86.5°F (30.3°C) and 51°F (10.6°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 3 to 4 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is far too cold this time of year in South Plainfield to be enjoyable for warm weather travelers. The average high during this season is between 50.8°F (10.4°C) and 37.3°F (2.9°C). On average, it rains or snows a fair amount: 5 to 7 times per month. These times of year are the slowest with tourists.
Best Times to Travel› the United States › South Plainfield, NJ, US