Climate and monthly weather forecast
Trenton, PA

Share

Weather in January

January, like December, is a freezing cold winter month in Trenton, Pennsylvania, with an average temperature fluctuating between 19.8°F (-6.8°C) and 31.6°F (-0.2°C). Trenton experiences its lowest average temperatures in January, reaching a peak of 31.6°F (-0.2°C) and a minimum of 19.8°F (-6.8°C). Weather in January »

Weather in February

February, the last month of the winter in Trenton, is a cold month, with an average temperature ranging between min 21.9°F (-5.6°C) and max 35.6°F (2°C). The arrival of February marks a slight shift to an average high-temperature of an icy 35.6°F (2°C) from January's 31.6°F (-0.2°C). Weather in February »

Weather in March

March, the first month of the spring in Trenton, is a frosty month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 44.2°F (6.8°C). Observing a minor shift, the average high-temperature during March adjusts from February's wintry 35.6°F (2°C) to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April is a mild spring month in Trenton, Pennsylvania, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 39.6°F (4.2°C). With the onset of April, Trenton experiences a temperature shift, with the average high-temperature moving from a chilly 44.2°F (6.8°C) in March to a mild 56.8°F (13.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Trenton, Pennsylvania, with an average temperature fluctuating between 49.6°F (9.8°C) and 67.6°F (19.8°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 56.8°F (13.8°C) to a comfortable 67.6°F (19.8°C). Weather in May »

Weather in June

June, the first month of the summer in Trenton, is a moderately hot month, with an average temperature fluctuating between 75.2°F (24°C) and 56.8°F (13.8°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a refreshing 67.6°F (19.8°C) to a warm 75.2°F (24°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Trenton, Pennsylvania, with an average temperature fluctuating between 81°F (27.2°C) and 61.5°F (16.4°C). The month of July, characterized by an average high of 81°F (27.2°C) and a low of 61.5°F (16.4°C), is recognized as the warmest. In July, the average heat index is estimated at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Trenton, is another warm month, with an average temperature fluctuating between 60.1°F (15.6°C) and 78.4°F (25.8°C). The transition into August reveals an average high-temperature of a still moderately hot 78.4°F (25.8°C), mirroring a close resemblance to July. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Trenton, Pennsylvania, with an average temperature fluctuating between 72.7°F (22.6°C) and 54°F (12.2°C). With the arrival of September, Trenton notices a mild change in the average high-temperature, sliding from August's moderately hot 78.4°F (25.8°C) to an agreeable 72.7°F (22.6°C). Weather in September »

Weather in October

October, the same as September, in Trenton, Pennsylvania, is a moderate autumn month, with an average temperature fluctuating between 44.4°F (6.9°C) and 59.9°F (15.5°C). Trenton in October undergoes a mild reduction in the average high-temperature, shifting from September's agreeable 72.7°F (22.6°C) to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Trenton, is another chilly month, with an average temperature varying between 47.3°F (8.5°C) and 33.4°F (0.8°C). The onset of November is marked by a decrease in temperature, transitioning from a refreshing 59.9°F (15.5°C) in October to a frosty 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Trenton, Pennsylvania, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 37.9°F (3.3°C). The arrival of December indicates a decrease in the average high-temperature, moving from a chilly 47.3°F (8.5°C) in November to an icy 37.9°F (3.3°C). Weather in December »
[Resources]

Frequently asked questions

What is the coldest time of year in Trenton?

With average temperatures fluctuating between a high of 31.6°F (-0.2°C) and a low of 19.8°F (-6.8°C), January stands out as the coldest month.

How many days does it rain in Trenton?

In Trenton, Pennsylvania, during the entire year, the rain falls for 139.8 days and collects up to 24.69" (627mm) of precipitation.

When does it snow in Trenton?

Months with snowfall are January through May, October through December.

How much does it snow in Trenton?

Throughout the year, in Trenton, there are 33.6 snowfall days, and 20.67" (525mm) of snow is accumulated.

What is the month with the least sunshine in Trenton?

January and February, with an average of 4.3h of sunshine, are months with the least sunshine.

What is the month with the lowest UV index in Trenton?

The months with the lowest UV index in Trenton, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Trenton?

The most humid month in Trenton, Pennsylvania, is February, with an average relative humidity of 83%.

When does it snow the most in Trenton?

March is the month with the most snowfall. Snow falls for 6.9 days and accumulates 4.96" (126mm) of snow.

When is Daylight Saving Time (DST) in Trenton?

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.

What is the least humid month in Trenton?

April is the least humid month, with an average relative humidity of 77%.

What is the rainiest month in Trenton?

The month with the most rainfall in Trenton, Pennsylvania, is May, when the rain falls for 17.2 days and typically aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Trenton?

In Trenton, snow does not fall in June through September.

When are the longest days in Trenton?

With an average of 15h and 6min of daylight, June has the longest days of the year in Trenton.

What is the month with the highest UV index in Trenton?

June is the month with the highest UV index in Trenton, Pennsylvania, with an average maximum UV index of 6.

What part of the year is the hottest in Trenton?

July is the warmest month of the year, registering average temperatures as high as 81°F (27.2°C) and as low as 61.5°F (16.4°C).

What month has the most sunshine in Trenton?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

What is the driest month in Trenton?

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.57" (40mm) of precipitation.

What is the month with the shortest days in Trenton?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
Trenton, PA

Average temperature - Trenton, PA

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

[Resources]

Average pressure
Trenton, PA

Average pressure - Trenton, PA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed
Trenton, PA

Average wind speed - Trenton, PA

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

[Resources]

Average rainfall
Trenton, PA

Average rainfall - Trenton, PA

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.57").

[Resources]

Average rainfall days
Trenton, PA

Average rainfall days - Trenton, PA

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (5.8 days).

[Resources]

Average snowfall
Trenton, PA

Average snowfall - Trenton, PA

The month with the highest snowfall is March (4.96").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Trenton, PA

Average snowfall days - Trenton, PA

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Trenton, PA

Average daylight / Average sunshine - Trenton, PA

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

[Resources]

Average sunshine days
Trenton, PA

Average sunshine days - Trenton, PA

The months with the most sunshine days are January and November (19.6 days).
The month with the least sunshine days is May (11.2 days).

[Resources]

Average UV index
Trenton, PA

Average UV index - Trenton, PA

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average visibility
Trenton, PA

Average visibility - Trenton, PA

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

[Resources]

Trenton, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location