Williamsport weather by month & the best time to visit
United States · small town · hot-summer continental climate
The best time to visit Williamsport is May — its sunniest month (Sunshine Score 71/100), with August and June close behind. Williamsport averages about 1,944 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 106 mm of rain in May.
When is the best time to visit Williamsport?
For sunshine, the best time to visit Williamsport is May, then August and June. The dullest month is January (0/100, 69 mm of rain). The full month-by-month picture is in the table below.
How sunny is Williamsport?
Williamsport gets a moderate 1,944 hours of sunshine a year. 71 Sunshine Score points separate May (71) from January (0), so the month you pick matters. It ranks #424 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,128 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 | 1° / 34°F | -7° / 19°F | 69 mm | 1 |
| February | 0 | 3° / 37°F | -7° / 19°F | 65 mm | 2 |
| March | 0 | 8° / 46°F | -2° / 28°F | 78 mm | 3 |
| April | 49 | 16° / 61°F | 3° / 37°F | 91 mm | 5 |
| May | 71 | 22° / 72°F | 10° / 50°F | 106 mm | 6 |
| June | 70 | 27° / 81°F | 15° / 59°F | 110 mm | 7 |
| July | 69 | 30° / 86°F | 18° / 64°F | 117 mm | 7 |
| August | 71 | 29° / 84°F | 17° / 63°F | 105 mm | 6 |
| September | 69 | 25° / 77°F | 13° / 55°F | 117 mm | 5 |
| October | 53 | 17° / 63°F | 6° / 43°F | 106 mm | 3 |
| November | 13 | 10° / 50°F | 1° / 34°F | 75 mm | 2 |
| December | 0 | 4° / 39°F | -4° / 25°F | 89 mm | 1 |
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Williamsport: questions and answers
What kind of destination is Williamsport?
Williamsport is a small town in United States with a hot-summer continental climate.
How many hours of sunshine does Williamsport get a year?
Williamsport gets about 1,944 hours of sunshine a year, at its best around May.
When is the best time to visit Williamsport?
The sunniest time to visit Williamsport is May, when the Sunshine Score peaks at 71/100 (with August and June close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Williamsport?
January is the least sunny month in Williamsport, scoring 0/100 with about 69 mm of rain.
How strong is the sun in Williamsport?
The typical midday UV index in Williamsport 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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