Boston in April usually sees fair weather conditions, with an average daily high temperature of +13°C and roughly 4 sunny days. However, you should prepare for about 15 rainy days with an average precipitation of 104 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+13°C
Avg. max. temperature
-8°C
Min.
+31°C
Max.
104 mm
Total precipitation
63%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
10 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Boston has OK weather in April.
Average temperature in Boston in April
Here are the expected maximum, average and minimum temperatures in Boston for April based on the historical data.
Last Year
Historical Data
The temperature in April is +15°C on average, with a range between a maximum of +31°C during the day and a minimum of -1°C at night.
The average maximum temperature goes down 19% by the end of the month, compared with the beginning of the month, from +17°C to +11°C.
Is Boston warm or cold in April?
Boston is typically mild in April.
Maximum temperatures go up compared to the previous month from +8°C to +13°C. The minimum temperature also goes up from 0°C to +5°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Boston:
Water temperature in Boston in April
Water in Boston in April is Cold. It varies from +3°C to +8°C, with an average of +6°C.The air temperature averaging +13°C is higher than the water temperature.
In April, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Boston are reached in August, when the average sea temperature rises to +20°C. The coldest water temperatures are in March, with an average of +3°C.
Can you swim in Boston in April?
We would not recommend swimming in Boston in April, the water is very cold (+6°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in Boston in April
Boston weather looks like this, on average, in April and the surrounding months.
March
April
May
Avg. temperature
+8°C
+13°C
+19°C
Min. temperature
-15°C
-8°C
+1°C
Max. temperature
+29°C
+31°C
+35°C
Rainfall
87 mm
104 mm
99 mm
Wind
4 m/s
4 m/s
4 m/s
Avg. water temperature
+3°C
+6°C
+9°C
Humidity
62%
63%
67%
Air pressure
1015 HPa
1014 HPa
1014 HPa
Sunny days
5
4
4
Cloudy days
10
10
10
Rainy days
10
15
16
Snowy days
5
1
0
April weather is still as ok as in March.It’s getting warmer as April arrives. The average maximum temperature goes up from +8°C to +13°C during the day.Prepare for more rain. Average rainfall goes from 87 mm to 104 mm.Humidity rises from 62% to 63%.The average wind speed doesn’t change much during April, staying around 4 m/s.The days becoming less sunny, going from 5 sunny days in March to 4 in April.
But maybe it is worth considering traveling in May as the weather gets better.
Wind speed in Boston in April based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Boston is gradually increasing during April, going from 4 m/s to 7 m/s over the course of the month.
Rain
Amount of rainfall in mm during April in Boston based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in April stands at 47%, leading to total precipitation of around 89 mm. The maximum amount of rainfall per day is around 26 mm, which is moderate rain.April is a pretty wet month with over 14 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Boston wettest month is July, where a typical day has a 45% chance of precipitation and 114 mm of rainfall per day. February, on the other hand, is the driest month with a mere 17% chance of precipitation and 54 mm of rainfall per day.
Snow
Amount of snow in mm during April in Boston based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in April is 0%, for a monthly total of around 0 mm.
Here’s how April is compared with other months in the amount of snow, total mm:
How was the weather last April in Boston?
This is the weather in Boston in April 2023:
1 April
🌫️
+17°C
2 April
☀️
+14°C
3 April
☀️
+12°C
4 April
☁️
+15°C
5 April
☁️
+10°C
6 April
🌫️
+20°C
7 April
☁️
+14°C
8 April
☀️
+10°C
9 April
☀️
+11°C
10 April
☀️
+19°C
11 April
☁️
+24°C
12 April
☁️
+22°C
13 April
☀️
+31°C
14 April
☀️
+30°C
15 April
☁️
+19°C
16 April
☁️
+14°C
17 April
🌫️
+12°C
18 April
☁️
+13°C
19 April
☁️
+11°C
20 April
☀️
+17°C
21 April
☁️
+12°C
22 April
☁️
+12°C
23 April
🌫️
+10°C
24 April
☁️
+14°C
25 April
☁️
+15°C
26 April
☁️
+12°C
27 April
☁️
+13°C
28 April
☁️
+16°C
29 April
☁️
+11°C
30 April
🌫️
+11°C
In April 2023 Boston had 8 sunny days, 17 cloudy days, and 0 rainy days. The average maximum temperature was +15°C, with an absolute maximum of +31°C and a minimum of +10°C. The average humidity was 70%, with a maximum of 100% and a minimum of 21%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in April?
Climate Change over Years
This is how Boston climate have been changing during last 43 years period.
The climate in Boston in April has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+14°C) and the highest in 2022 (+17°C). The driest year was 2016 with only 702 mm of rainfall, and the wettest year was 2021 with 2022 mm.
FAQ
Frequently asked questions about the weather in Boston in April:
Is April a good time to visit Boston?
It’s always a good time to visit Boston, but the weather is changeable in April, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Boston in April?
April has mild temperatures in Boston. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Boston in April?
Swimming in Boston in April is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Boston rainy in April?
Boston is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Boston in April?
Usually, it’s not very sunny in Boston in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Boston, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
