Maine weather in May 2025

Expect 19°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Maine in May. Check more long-term weather averages for Maine in May before you book your next holiday to Maine in 2025/2026.

  • 19°C maximum daytime temperature in May in Maine (Augusta)19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Maine (Augusta)12
    12 days with some rainfall
  • 6°C minimum night-time temperature in May in Maine (Augusta)6
    6°C min night temperature
  • 15 hours of daylight per day in May in Maine (Augusta)15
    15 hours of daylight per day
  • No heat & humidity in May in Maine (Augusta)0
    No heat & humidity
  • 93 mm monthly rainfall in May in Maine (Augusta)93
    93 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Maine (Augusta)6
    6 (High) UV index

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The May weather guide for Maine (Augusta) 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.

Top Maine destinations

Below are average maximum temperatures at popular countries, regions and places in Maine in May. Select a holiday destination to see more weather parameters.

All Maine destinations

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

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How hot is it in Maine in May?

Daytime temperatures usually reach 19°C in Augusta, Maine in May, falling to 6°C at night.

How sunny is it in Maine in May?

There are normally 7 hours of bright sunshine each day in Augusta, Maine in May - that's 49% of daylight hours.

Does it rain in Maine in May?

There are usually 12 days with some rain in Augusta, Maine in May and the average monthly rainfall is 93mm.

Maine May sunrise & sunset times

Browse the sunrise and sunset times for Maine in May 2025. Select a month to view Maine sunrise and sunset times for the next 12 months. The Maine sunrise and sunset times shown below are for Augusta.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:30 18:44
Friday, 16th May 2025 04:11 19:01
Saturday, 31st May 2025 03:59 19:16

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