Historical monthly weather
Sweet spotPeak May, Jul, Aug. Go in Jun, Oct for similar weather.
Sunny share of daylightNov · 53%
WarmestJul · 81°F
WettestApr
Best windowApr
Bar height is the typical daytime high; color shows sunny share of daylight. The shaded months are the ideal window to go.
Weather data & source
2018–2023 averages, not a forecast. Wet days estimate days with at least 1 mm of rain or snow using a calibrated ERA5 threshold. Contains modified Copernicus Climate Change Service information. Weather data by Open-Meteo.com (AWS Open Data, CC BY 4.0). Sunny share of daylight is calibrated from daytime cloud cover. ERA5 via Open-Meteo AWS Open Data
The world's oldest annual marathon. You have to qualify to run Heartbreak Hill.
When it's run
The Boston Marathon is typically held in Apr, based on recent years. Exact dates and start waves move year to year, so confirm the official race calendar before you book.
Frequently asked questions
Where is Boston Marathon?
Boston Marathon is in Boston, Massachusetts, United States. The nearest major airport is BOS.
What is Boston Marathon known for?
The world's oldest annual marathon. You have to qualify to run Heartbreak Hill.
