How extreme does Bar Harbor's weather get?

The hottest, coldest, wettest and snowiest days Bar Harbor has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 24 years of daily weather observations (2002–present), from the Mcfarland Hill Maine station 5 km away. Updated through May 2026 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Bar Harbor has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day

96°F Jul 22, 2011

The three most extreme on record

1 96°F Jul 22, 2011

2 96°F Aug 12, 2025

3 95°F Jul 3, 2002

❄️ Coldest night

-17°F Feb 3, 2023

The three most extreme on record

1 -17°F Feb 3, 2023recent

2 -17°F Feb 4, 2023

3 -16°F Jan 14, 2004

In plain terms

Across the record, Bar Harbor has reached as high as 96°F and as low as −17°F. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 23 years of daily observations at Acadia NP, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →

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