Summerside weather in May 2026

Expect daytime maximum temperatures of 57°F in Summerside, Prince Edward Island in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 3.4 inches of rainfall in the month.

  • 57°F maximum daytime temperature in May in Summerside57
    57°F max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Summerside14
    14 days with some rainfall
  • 39°F minimum night-time temperature in May in Summerside39
    39°F min night temperature
  • 15 hours of daylight per day in May in Summerside15
    15 hours of daylight per day
  • No heat & humidity in May in Summerside0
    No heat & humidity
  • 3.4 inches monthly rainfall in May in Summerside3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Summerside6
    6 (High) UV index
  • 36°F sea temperature in May in Summerside36
    36°F sea temperature

More about Summerside

Summerside by month

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

Recommended for Prince Edward Island

Marriott discount code: up to 20% off hotel stays

  • Save up to 20% when you book long stays with Marriott
  • 20% off - 4-6 nights, 15% off 3 nights
  • Book hotels in Europe, the Middle East & Africa
Show discount codeShow discount code ******UK8
Redeem Marriott discount code >>

View all Marriott offers

The May weather guide for Prince Edward Island (Summerside) 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)

Back to top

More about Canada

How warm is it in Summerside in May?

Daytime temperatures usually reach 57°F in Summerside in May, falling to 39°F at night.

How sunny is it in Summerside in May?

There are normally 7 hours of bright sunshine each day in Summerside in May - that's 46% of daylight hours.

How warm is the sea around Summerside in May?

The average sea temperature around Summerside in May is 36°F.

Does it rain in Summerside in May?

There are usually 14 days with some rain in Summerside in May and the average monthly rainfall is 3.4 inches.

Summerside May sunrise & sunset times

Browse the sunrise and sunset times for Summerside in May 2026. Select a month to view Summerside sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:01 19:24
Saturday, 16th May 2026 04:41 19:43
Sunday, 31st May 2026 04:27 19:59

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^