Stamford weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Stamford in May. Check more long-term weather averages for Stamford in May before you book your next holiday to Connecticut in 2025/2026.

  • 21°C maximum daytime temperature in May in Stamford21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Stamford11
    11 days with some rainfall
  • 8°C minimum night-time temperature in May in Stamford8
    8°C min night temperature
  • 15 hours of daylight per day in May in Stamford15
    15 hours of daylight per day
  • No heat & humidity in May in Stamford0
    No heat & humidity
  • 126 mm monthly rainfall in May in Stamford126
    126 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Stamford7
    7 (High) UV index

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The May weather guide for Connecticut (Stamford) 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)

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More about the USA

How hot is it in Stamford in May?

Daytime temperatures usually reach 21°C in Stamford in May, falling to 8°C at night.

How sunny is it in Stamford in May?

There are normally 8 hours of bright sunshine each day in Stamford in May - that's 57% of daylight hours.

Does it rain in Stamford in May?

There are usually 11 days with some rain in Stamford in May and the average monthly rainfall is 126mm.

Stamford May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:52 18:51
Friday, 16th May 2025 04:35 19:07
Saturday, 31st May 2025 04:24 19:20

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