Temperature
Warm by day, mild at night.
80°Ftypical Aug high
Mystic
United States · Northeast US
Mystic is most comfortable in summer and autumn. Summers are warm and winters are cold. Rain is frequent in most months. Humidity is usually low.
Best time to go
12 mo · Typical year
Temperature range
26°F to 81°F
Rain
11 days/mo
Sunshine
8.7 h/day
Humidity feel
Generally dry
When to visit
Month-by-month fit
Precipitation
Rainfall is lower than usual here.
32%wet-day frequency
AmountWet-day chance
Sunshine
Very sunny skies.
10.9 hAug sunshine
Heat & humidity by month
The air feels slightly humid this month.
Slightly humidAug heat feel
Air-feel chart data is unavailable for this destination. Use the selected-month dew point, temperature, rain, and sunshine context together rather than treating any one metric as total comfort.
More detailIncludes sky, daypart comfort, and sea
Cloud cover
Partly cloudy across the month.
46%Aug clear sky
ClearCloud cover
Sea temperature
74°Aug sea temp
Similar
Similar things to doPortoPortugalSimilar things to doNew York CityUnited StatesSimilar things to doSeoulSouth KoreaSimilar things to doViennaAustria
Want a side-by-side climate view? Compare Mystic with Porto.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 19, 2026
Data & methodology