December

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December

San Mateo Weather December

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November

January

Temperatures trend during December in San Mateo

See the weather trend as well as the moving average line

December weather in San Mateo day by day

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November January

Date	Weather	Temperatures	Rain	UV
Dec. 1	Patchy rain possible	16° /8°	0.6 mm	2.4
Dec. 2	Cloudy	13° /6°	0 mm	2.4
Dec. 3	Overcast	14° /8°	0 mm	2.3
Dec. 4	Cloudy	15° /7°	0 mm	2.3
Dec. 5	Overcast	13° /8°	0 mm	2.3
Dec. 6	Overcast	13° /10°	0 mm	2.3
Dec. 7	Overcast	12° /9°	0 mm	2.3
Dec. 8	Overcast	12° /9°	0 mm	2.3
Dec. 9	Partly cloudy	12° /8°	0 mm	2.2
Dec. 10	Sunny	15° /7°	0 mm	2.2
Dec. 11	Partly cloudy	14° /6°	0 mm	2.2
Dec. 12	Heavy rain at times	14° /8°	12.3 mm	2.2
Dec. 13	Patchy rain possible	14° /7°	1.1 mm	2.2
Dec. 14	Heavy rain	12° /9°	25.5 mm	2.2
Dec. 15	Overcast	11° /7°	0 mm	2.2
Dec. 16	Light rain	13° /10°	4.2 mm	2.2
Dec. 17	Patchy rain possible	13° /10°	2.3 mm	2.2
Dec. 18	Overcast	12° /8°	0 mm	2.2
Dec. 19	Overcast	14° /9°	0 mm	2.2
Dec. 20	Light rain	14° /10°	5.1 mm	2
Dec. 21	Heavy rain	14° /12°	73 mm	2
Dec. 22	Heavy rain	14° /12°	26.2 mm	2
Dec. 23	Patchy rain possible	16° /13°	1.2 mm	2
Dec. 24	Heavy rain	15° /11°	26.1 mm	2
Dec. 25	Moderate rain	12° /10°	24.2 mm	2
Dec. 26	Moderate rain	13° /11°	10.8 mm	2
Dec. 27	Moderate rain	12° /10°	16.2 mm	2
Dec. 28	Patchy rain possible	12° /7°	0.6 mm	2
Dec. 29	Light rain	14° /6°	3.2 mm	2
Dec. 30	Overcast	13° /5°	0 mm	2
Dec. 31	Moderate rain	9° /6°	19.2 mm	1
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Important Notice

Our weather forecast for San Mateo in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Mateo forecast closer to your planned date for the most up-to-date weather information.

Change Month

San Mateo in December - FAQ

What are the expected maximum and minimum temperatures in San Mateo during December?

During December, expect a variety of temperatures with highs around 13° and lows near 8°, suitable for diverse activities and preferences.

How much rainfall should be expected in San Mateo during December?

Significant rainfall exceeding 251.7 mm is expected in San Mateo during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in San Mateo during December?

The average wind speed in San Mateo during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in San Mateo

Explore the daily rainfall trends and prepare for San Mateos December weather 💧

Typically, San Mateo has 11 rainy days in December with a total of 251.7 mm of rainfall.

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
		1 16°	2 13°	3 14°	4 15°	5 13°
6 13°	7 12°	8 12°	9 12°	10 15°	11 14°	12 14°
13 14°	14 12°	15 11°	16 13°	17 13°	18 12°	19 14°
20 14°	21 14°	22 14°	23 16°	24 15°	25 12°	26 13°
27 12°	28 12°	29 14°	30 13°	31 9°