Cupertino in August

9.1out of 10

Yes, a good time to go

Warm and comfortable: highs around 26°C. Very dry: about 0 rainy days.

26°CAvg high
14°CAvg low
0Rainy days (1 mm)
13:26 hDaylight
06:29Sunrise · 19:55 Sunset

Why this score

  • Warm and comfortable: highs around 26°C
  • Very dry: about 0 rainy days

What to wear and pack

  • T-shirts and light layers
  • A light jacket for cooler evenings
  • Shorts or a light skirt

How reliable is the forecast?

Rainfall in August is fairly consistent from year to year (0.6 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

14° 6° J 16° 7° F 17° 8° M 19° 8° A 21° 10° M 24° 12° J 26° 13° J 26° 14° A 26° 13° S 23° 11° O 18° 8° N 14° 6° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 14°C6°C130 mm 9– – 6.4
February 16°C7°C134 mm 10– – 6.5
March 17°C8°C100 mm 9– – 7.0
April 19°C8°C47 mm 6– – 7.8
May 21°C10°C23 mm 3– – 8.5
June 24°C12°C4 mm 1– – 9.0
July 26°C13°C1 mm 0– – 9.1
August 26°C14°C1 mm 0– – 9.1
September 26°C13°C2 mm 1– – 9.0
October 23°C11°C29 mm 3– – 8.7
November 18°C8°C61 mm 6– – 7.6
December 14°C6°C119 mm 9– – 6.4

Frequently asked questions

How hot is Cupertino in August?

Daytime highs average 26°C and nights about 14°C.

When is the best time to visit Cupertino?

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