Best Time to Visit Willow Grove: Month-by-Month Guide

Best months for Willow Grove: September, August, May, June.

  • Best months for Willow Grove: September, August, May, June.
  • Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: May, September, October. Good weather without the busiest period.
  • Wettest months: May, June, July.
  • The least pleasant month is January (score 4.7).

Year at a glance

4° -3° J 6° -2° F 11° 1° M 17° 7° A 23° 12° M 27° 17° J 30° 20° J 29° 20° A 25° 16° S 19° 9° O 13° 4° N 7° 0° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 4°C-3°C85 mm 9– – 4.7
February 6°C-2°C77 mm 9– – 5.1
March 11°C1°C106 mm 11– – 5.7
April 17°C7°C94 mm 11– – 6.8
May 23°C12°C92 mm 12– – 7.4
June 27°C17°C107 mm 12– – 7.4
July 30°C20°C109 mm 12– – 7.1
August 29°C20°C103 mm 11– – 7.6
September 25°C16°C107 mm 9– – 7.7
October 19°C9°C94 mm 9– – 7.3
November 13°C4°C76 mm 8– – 6.5
December 7°C0°C103 mm 10– – 5.1

Frequently asked questions

When is the best time to visit Willow Grove?

The best months are September, August, May, June.

When is the rainy season in Willow Grove?

The wettest months are May, June, July.