SeasonScore
Boston, United States
Photo: Soe Lin · CC BY 2.0

United States

Boston in April

🌷 Spring

Cool and some showers.

🎒 Pack: warm jacket for evenings

Best months: May (9.2), Sep (9.2), Jul (9.0)

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Why April scores 8.7What goes into the score

How it works
🌡️ 14° / 5°C🌧️ 92 mm💧 dew pt 4°🍃 PM2.5 8
  • Weather comfort8.0
    • !Cool (14°C highs / 5°C lows)
    • ✓Comfortable humidity (dew point 3.6°C)
    • ✓Mostly dry (~92 mm rain)
  • Air quality9.5
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut April side by side with another month
AprMay
Score8.7 Excellent9.2 Excellent
Season🌷 Spring🌷 Spring
High / low14° / 5°19° / 10°
Rain92 mm83 mm
Humiditydew pt 4°dew pt 10°
PM2.58 µg/m³8 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Boston weather-station normals. Rainfall: Boston Logan Airport weather-station normals (national met service).

Holidays & crowdsApril 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in United States this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Boston

  • Snowy daysTypical dates
    Snow likely Dec–Mar (most in Jan: ~7 days)

    Average number of days with snowfall at Boston Logan Airport. About 36 cm of snow falls in an average Jan.

    Source: Boston Logan Airport weather-station normals (national weather service, via Wikipedia climate table)

Explore BostonEvents, sights, food & souvenirs

Check event dates locally

One of America's oldest cities, known for its revolutionary history, universities, sports culture and seafood.

Events in April
Boston MarathonDate variesPatriots' Day — the third Monday of April

The world's oldest annual city marathon.

Why go: Crowds line the route; Patriots' Day is a holiday in Massachusetts.

Where: Hopkinton to Boylston Street

Coming up later

Fourth of JulyEvery year4 July every year

The Boston Pops concert and fireworks.

Why go: Arrive early for space on the Esplanade.

Where: Charles River Esplanade

Head of the Charles RegattaDate variesUsually mid-to-late October

One of the world's largest rowing races.

Why go: Free to watch from the river banks and bridges.

Where: Charles River

Fall foliageDate variesUsually October

Autumn leaf colour in the region's parks and countryside.

Why go: Hotels fill up and prices rise.

Where: Boston area and New England

Plan this tripTickets, data and transfers for Boston

Airport transfer Kiwitaxi

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