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Bay Harbor Islands (FL) Weather and Climate: A Comprehensive Guide

The weather in Bay Harbor Islands sees moderate temperature fluctuations over the course of a year. Temperatures can be very warm at the high end to roughly warm at the low end. It also has a relatively rainy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Bay Harbor Islands, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a very warm 32°C in August to a comfortable 24°C in January.

Nighttime temperatures can drop, with average lows reaching 16°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Bay Harbor Islands experiences significant rainfall throughout the year, averaging 1540 mm of precipitation annually. The seasons in Bay Harbor Islands, bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 208 mm of precipitation. This rainfall is distributed across 21 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 47 mm over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Bay Harbor Islands Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Bay Harbor Islands enjoys sunny spells year-round. July sees up to 10.3 hours of daily sunshine, perfect for a sunny trip. December, the least sunny month, still offers a generous 7.2 hours of sun despite this cloudier time of the year. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Miami, the United States of America (17 KM, 10 Miles).

Daily hours of sunshine

Data from: Miami, the United States of America (17 KM, 10 Miles).

Average water temperature

The mean water temperature over the year ranges from 24°C in January to 28°C in June.

Water temperature over the year

Data from: Miami, the United States of America (17 KM, 10 Miles).

Forecast for Bay Harbor Islands (FL)

Fri   Dec 27
25°C | 22°C
E 6 m/s
2.3 mm
broken clouds and small chance of rain

broken clouds and small chance of rain

Sat   Dec 28
26°C | 22°C
SE 7 m/s
2.3 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 29
26°C | 22°C
SE 8 m/s
4.4 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Bay Harbor Islands in the United States of America

During the months of January, February, March and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Bay Harbor Islands?
    Most rainfall (rainy season) is seen in June, July, August and September.
  • Which is the warmest month in Bay Harbor Islands?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Bay Harbor Islands?
    The coldest month is January with an average maximum temperature of 24°C.
  • Which is the wettest month in Bay Harbor Islands?
    June tops the wettest month list with 208 mm of rainfall.
  • Which is the driest month in Bay Harbor Islands?
    January is the driest month with 47 mm of precipitation.
  • Which is the sunniest month in Bay Harbor Islands?
    July is the sunniest month with an average of 308 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.