30YearWeather
Boston in April
Boston weather in April - United States
🌤️Mild & Comfortable

Boston Weather in April

Plan your April trip to Boston, United States. Based on 30 years of NASA data, expect temperatures of 13°C (high) to 4°C (low), with 27% rain probability and 8 hours of daily sunshine. The Atlantic Ocean averages 8°C in April. Pack rain gear for around 19 rainy days.

Avg High
13°C

Hottest around day 30

Avg Low
4°C

Coolest around day 1

Rainy Days
19days

27% avg rain chance

Sunshine
8hrs/day

Spring season

Sea Temperature in April

Atlantic Ocean

7.6°C

Monthly Average

Water Feel
🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating
❄️Cold water hazard

Based on average sea surface temperature

Body of Water
Atlantic Ocean

Boston coastline

Boston April Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Greater Boston uses10-digit dialing. Th...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Boston

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
84/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Nov

Monthly Traffic Distribution

465
Jan
490
Feb
551
Mar
596
Apr
643
May
627
Jun
650
Jul
676
Aug
651
Sep
635
Oct
424
Nov
533
Dec
Traffic Level
Low Season

Key Connections

Washington Ronald Reagan National (DCA)
Chicago O'Hare (ORD)
New York John F Kennedy (JFK)
Philadelphia (PHL)
Atlanta Hartsfield Jackson (ATL)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is April a Good Time to Visit Boston?

👍Great time to visit - recommended
Short Answer

Boston in April features 7.6°C seas - too cold for swimming but stunning for coastal walks. Air temperatures average 14°C with 27% rain probability.

Decision Factors

Peak tourist season

88% of annual peak - expect crowds and high prices

Cold sea - swimming challenging

7.6°C sea temperature - Polar Plunge

Plenty of sunshine

8.5h of sunshine daily

Exceptional dining scene

26 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 13.5°C temperatures and low 27% rain risk

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🌡️
    Heat-sensitive visitors

    Manageable 13.5°C without oppressive humidity

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 7.6°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Boston in April averages 13°C with 27% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Boston in April

What are the temperatures in Boston in April?

Daytime highs average 13°C, nights drop to 4°C. Temperatures remain fairly consistent.

How many rainy days in Boston in April?

Expect around 19 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Boston in April?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is April peak season in Boston?

This is shoulder season—moderate prices and manageable crowds.