San Mateo weather in May 2025

Expect 70°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in San Mateo in May. Check more long-term weather averages for San Mateo in May before you book your next holiday to Gran Canaria in 2025/2026.

  • 70°F maximum daytime temperature in May in San Mateo70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 2 days with some rainfall in May in San Mateo2
    2 days with some rainfall
  • 57°F minimum night-time temperature in May in San Mateo57
    57°F min night temperature
  • 14 hours of daylight per day in May in San Mateo14
    14 hours of daylight per day
  • No heat & humidity in May in San Mateo0
    No heat & humidity
  • 0.4 inches monthly rainfall in May in San Mateo0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in San Mateo10
    10 (Very High) UV index

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The May 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)  |  Imperial (°F)

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More about Gran Canaria

How hot is it in San Mateo in May?

Daytime temperatures usually reach 70°F in San Mateo in May, falling to 57°F at night.

How sunny is it in San Mateo in May?

There are normally 8 hours of bright sunshine each day in San Mateo in May - that's 62% of daylight hours.

Does it ever rain in San Mateo in May?

There are usually 2 days with some rain in San Mateo in May and the average monthly rainfall is 0.4 inches.

San Mateo May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:22 19:37
Friday, 16th May 2025 06:12 19:46
Saturday, 31st May 2025 06:06 19:54

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