Parkersburg (Williamstown) weather by month & the best time to visit
United States · small town · humid subtropical climate
The best time to visit Parkersburg (Williamstown) is August — its sunniest month (Sunshine Score 76/100), with September and May close behind. Parkersburg (Williamstown) averages about 2,041 hours of sunshine a year. Daytime highs around 30°C / 86°F and roughly 82 mm of rain in August.
When is the best time to visit Parkersburg (Williamstown)?
For sunshine, the best time to visit Parkersburg (Williamstown) is August, then September and May. The dullest month is January (0/100, 79 mm of rain). The full month-by-month picture is in the table below.
How sunny is Parkersburg (Williamstown)?
Parkersburg (Williamstown) gets a moderate 2,041 hours of sunshine a year. 76 Sunshine Score points separate August (76) from January (0), so the month you pick matters. It ranks #392 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,089 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 | 3° / 37°F | -6° / 21°F | 79 mm | 1 |
| February | 0 | 4° / 39°F | -5° / 23°F | 79 mm | 2 |
| March | 19 | 11° / 52°F | -1° / 30°F | 87 mm | 4 |
| April | 61 | 18° / 64°F | 5° / 41°F | 96 mm | 5 |
| May | 71 | 23° / 73°F | 11° / 52°F | 109 mm | 6 |
| June | 70 | 27° / 81°F | 16° / 61°F | 110 mm | 7 |
| July | 70 | 30° / 86°F | 18° / 64°F | 111 mm | 7 |
| August | 76 | 30° / 86°F | 17° / 63°F | 82 mm | 7 |
| September | 75 | 27° / 81°F | 13° / 55°F | 83 mm | 6 |
| October | 68 | 19° / 66°F | 7° / 45°F | 88 mm | 4 |
| November | 19 | 11° / 52°F | 1° / 34°F | 74 mm | 2 |
| December | 0 | 5° / 41°F | -3° / 27°F | 91 mm | 1 |
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Parkersburg (Williamstown): questions and answers
What kind of destination is Parkersburg (Williamstown)?
Parkersburg (Williamstown) is a small town in United States with a humid subtropical climate.
How many hours of sunshine does Parkersburg (Williamstown) get a year?
Parkersburg (Williamstown) gets about 2,041 hours of sunshine a year, at its best around August.
When is the best time to visit Parkersburg (Williamstown)?
The sunniest time to visit Parkersburg (Williamstown) is August, when the Sunshine Score peaks at 76/100 (with September and May close behind). Expect daytime highs around 30°C / 86°F.
What is the least sunny month in Parkersburg (Williamstown)?
January is the least sunny month in Parkersburg (Williamstown), scoring 0/100 with about 79 mm of rain.
How strong is the sun in Parkersburg (Williamstown)?
The typical midday UV index in Parkersburg (Williamstown) 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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