Best Time to Visit Bar Harbor, Maine
USA
☀️
May to June
Best Months
🌧️
January
Avoid
👥
May–Jun
Peak Season
🧭
Camping, hiking and RV road trips
Ideal For
Bar Harbor, Maine climate month by month
Jan
27°
5.0"
Feb
26°
3.5"
Mar
34°
3.9"
Apr
44°
4.4"
May
53°
3.1"
Jun
61°
4.2"
Jul
68°
6.2"
Aug
67°
5.2"
Sep
62°
6.7"
Oct
54°
5.7"
Nov
41°
3.8"
Dec
34°
5.5"
Top number = average temperature (°F), bar = average monthly rainfall (inches). Toggle units above.
🌍 When to go to Bar Harbor, Maine
Based on recent climate averages (2021–2023, Open-Meteo), Bar Harbor, Maine is warmest in July (around 20°C / 68°F) and coldest in February (around -3°C / 26°F). Rain is heaviest in September (about 170 mm) and lightest in May (about 80 mm). For comfortable camping and RV travel, aim for May to June.
Data source & date
- Climate values: Open-Meteo (ERA5 reanalysis archive), 2021–2023 daily averages — open-meteo.com ↗
- Retrieved and frozen: 2026-07-20 (values are static, not live-fetched)
- Monthly means are long-run averages, not a forecast — actual weather varies year to year. Season labels are derived from these values; travel advice is editorial.
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