Gilroy Weather in December
December in Gilroy averages 16°C (61°F) during the day and 4°C (39°F) at night. It is the wettest month of the year, with 98 mm (3.9 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Gilroy in December
This is the wettest month of the year, so having an umbrella ready is a smart choice. Typically around 10 days of rainfall are expected, averaging 98 mm (3.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Gilroy in December
In December, expect moderate temperatures in Gilroy, with highs of 16°C (61°F) and lows of 4°C (39°F) at night. December is typically considered a winter month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Enjoy a month of mild temperatures, still offering warmth and comfort throughout.Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, September, October and November typically offer the best weather for Gilroy.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Gilroy's climate page.
Gilroy Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
16°C (61°F)
Chance of Rain
34%
Precipitation
98 mm (3.9 in)
Rainy days
10 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Gilroy in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Gilroy in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Gilroy's climate page.
See the full Gilroy climate overview or explore weather in the United States of America.
