Katy in December

7.2out of 10

Possible, with caveats

Mild: highs around 19°C. Frequent rain: about 9 rainy days.

19°CAvg high
9°CAvg low
9Rainy days (99 mm)
10:06 hDaylight
07:17Sunrise · 17:22 Sunset

Why this score

  • Mild: highs around 19°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.6 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

18° 8° J 20° 10° F 23° 13° M 27° 16° A 30° 20° M 33° 23° J 34° 24° J 34° 24° A 32° 22° S 28° 17° O 22° 12° N 19° 9° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 18°C8°C94 mm 10– – 7.1
February 20°C10°C75 mm 9– – 7.6
March 23°C13°C82 mm 9– – 7.9
April 27°C16°C92 mm 9– – 7.9
May 30°C20°C92 mm 10– – 7.4
June 33°C23°C106 mm 12– – 6.3
July 34°C24°C78 mm 12– – 6.2
August 34°C24°C85 mm 12– – 6.0
September 32°C22°C100 mm 12– – 6.7
October 28°C17°C99 mm 9– – 7.8
November 22°C12°C96 mm 8– – 7.9
December 19°C9°C99 mm 9– – 7.2

Frequently asked questions

How hot is Katy in December?

Daytime highs average 19°C and nights about 9°C.

When is the best time to visit Katy?

The best months are March, April, November, October.