Best Time to Visit Sunnyside: Month-by-Month Guide

Best months for Sunnyside: September, June, May.

  • Best months for Sunnyside: September, June, May.
  • Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: April, May, September, October. Good weather without the busiest period.
  • Wettest months: December, January, November.
  • The least pleasant month is December (score 4.8).

Year at a glance

5° -2° J 9° -1° F 14° 3° M 19° 6° A 25° 10° M 29° 14° J 34° 17° J 33° 16° A 28° 12° S 19° 6° O 10° 1° N 5° -2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 5°C-2°C38 mm 9– – 4.9
February 9°C-1°C28 mm 7– – 5.8
March 14°C3°C25 mm 7– – 6.9
April 19°C6°C18 mm 5– – 8.0
May 25°C10°C18 mm 4– – 8.5
June 29°C14°C11 mm 3– – 8.7
July 34°C17°C4 mm 1– – 7.5
August 33°C16°C4 mm 1– – 7.7
September 28°C12°C9 mm 2– – 8.9
October 19°C6°C24 mm 5– – 7.8
November 10°C1°C33 mm 8– – 6.0
December 5°C-2°C42 mm 9– – 4.8

Frequently asked questions

When is the best time to visit Sunnyside?

The best months are September, June, May.

When is the rainy season in Sunnyside?

The wettest months are December, January, November.