Trenton weather by month & the best time to visit
United States · small town · humid subtropical climate
The best time to visit Trenton is May — its sunniest month (Sunshine Score 73/100), with September and June close behind. Trenton averages about 2,166 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 102 mm of rain in May.
When is the best time to visit Trenton?
For sunshine, the best time to visit Trenton is May, then September and June. The dullest month is January (0/100, 78 mm of rain). The full month-by-month picture is in the table below.
How sunny is Trenton?
Trenton gets a moderate 2,166 hours of sunshine a year. 73 Sunshine Score points separate May (73) from January (0), so the month you pick matters. It ranks #335 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,244 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 2° / 36°F | -6° / 21°F | 78 mm | 1 |
| February | 0 | 4° / 39°F | -5° / 23°F | 76 mm | 2 |
| March | 6 | 9° / 48°F | -2° / 28°F | 97 mm | 3 |
| April | 49 | 16° / 61°F | 4° / 39°F | 100 mm | 5 |
| May | 73 | 22° / 72°F | 10° / 50°F | 102 mm | 6 |
| June | 69 | 27° / 81°F | 16° / 61°F | 123 mm | 7 |
| July | 68 | 30° / 86°F | 19° / 66°F | 126 mm | 7 |
| August | 69 | 29° / 84°F | 18° / 64°F | 121 mm | 6 |
| September | 71 | 26° / 79°F | 14° / 57°F | 110 mm | 5 |
| October | 59 | 18° / 64°F | 7° / 45°F | 115 mm | 3 |
| November | 25 | 12° / 54°F | 2° / 36°F | 87 mm | 2 |
| December | 0 | 5° / 41°F | -3° / 27°F | 109 mm | 1 |
Nearest destinations
Head-to-head
How Trenton compares month by month: Trenton vs New York · Trenton vs Philadelphia · Trenton vs Allentown/Bethlehem · Trenton vs Wilkes-Barre/Scranton · all comparisons
Trenton: questions and answers
What kind of destination is Trenton?
Trenton is a small town in United States with a humid subtropical climate.
How many hours of sunshine does Trenton get a year?
Trenton gets about 2,166 hours of sunshine a year, at its best around May.
When is the best time to visit Trenton?
The sunniest time to visit Trenton is May, when the Sunshine Score peaks at 73/100 (with September and June close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Trenton?
January is the least sunny month in Trenton, scoring 0/100 with about 78 mm of rain.
How strong is the sun in Trenton?
The typical midday UV index in Trenton peaks around 7 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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