San Mateo weather in December 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in San Mateo in December. Check more long-term weather averages for San Mateo in December before you book your next holiday to Gran Canaria in 2025/2026.

  • 18°C maximum daytime temperature in December in San Mateo18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 5 days with some rainfall in December in San Mateo5
    5 days with some rainfall
  • 12°C minimum night-time temperature in December in San Mateo12
    12°C min night temperature
  • 10 hours of daylight per day in December in San Mateo10
    10 hours of daylight per day
  • No heat & humidity in December in San Mateo0
    No heat & humidity
  • 51 mm monthly rainfall in December in San Mateo51
    51 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in December in San Mateo4
    4 (Moderate) UV index

More about San Mateo

San Mateo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Gran Canaria

TUI discount code: up to £300 off 2025/2026 holidays

  • Save up to £300 on package holidays in 2025/2026
  • Book in TUI sale. Discount varies by spend. T&Cs apply
  • Travel between 1st May 2025 & 31st Oct 2026 (inclusive)
Show discount codeShow discount code ******ALE
Redeem TUI discount code >>

Expires at 10:00 on Friday 31st Jan 2025 · View all TUI offers

TUITUI deal finder

The December weather guide for Gran Canaria (San Mateo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Gran Canaria

How hot is it in San Mateo in December?

Daytime temperatures usually reach 18°C in San Mateo in December, falling to 12°C at night.

How sunny is it in San Mateo in December?

There are normally 6 hours of bright sunshine each day in San Mateo in December - that's 58% of daylight hours.

Does it rain in San Mateo in December?

There are usually 5 days with some rain in San Mateo in December and the average monthly rainfall is 51mm.

San Mateo December sunrise & sunset times

Browse the sunrise and sunset times for San Mateo in December 2025. Select a month to view San Mateo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:36 18:06
Tuesday, 16th December 2025 07:47 18:09
Wednesday, 31st December 2025 07:53 18:17

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^