Boston, MA weather in April
In April, Boston sees highs around 56°F and lows around 41°F: cool, with frequent rain. There are about 12 days with rain or snow. Snowfall averages about 1.6 in.
- Normal high
- 56°F
- Normal low
- 41°F
- Wet days
- 12
- 3.6 in total
- Snowfall
- 1.6 in
- snow on the ground 1 day
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 51°F | 62°F |
| Normal low | 36°F | 46°F |
| Chance of a wet day | 39% | 39% |
| Sunrise / sunset | 6:26 am / 7:09 pm | 5:40 am / 7:42 pm |
| Daylight | 12.7 h | 14.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am44°Fdew point 34°F
- 9 am49°Fdew point 35°F
- Noon53°Fdew point 35°F
- 3 pm53°Fdew point 35°F
- 6 pm51°Fdew point 35°F
- 9 pm48°Fdew point 35°F
NOAA hourly normals (local standard time) from Boston Logan Intl Airport (3 mi away); average wind 12 mph; clear or few clouds in 25% of daytime hours, mostly cloudy or overcast in 60%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F6 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow12 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below2 of 30
- Snow on the groundsnow depth 1 in or more1 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 3.6 in; a dry April brings about 2.3 in and a wet one about 4.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 1.6 in.
How April varies from year to year
- Warmest April, 1991-20202012: average high 62°F
- Coolest April2020: average high 51°F
- Wettest April2004: 9.6 in
- Driest April1999: 0.8 in
- Highest reading93°F (April 28, 2009)
- Lowest reading20°F (April 5, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 46°F | 56°F | 67°F |
| Normal low | 31°F | 41°F | 50°F |
| Wet days | 12 | 12 | 12 |
| Comfortable days | 1 | 6 | 14 |
| Daylight | 11.9 h | 13.4 h | 14.6 h |
Highs change by +10°F from March and +11°F into May.
Nearby alternatives in April
- Warmer: Paterson, NJ189 mi · high 63°F · 11 wet days
- Cooler: Lake Placid, NY198 mi · high 49°F · 14 wet days
How Boston ranks in April
- Normal high317th warmest of 378 cities; 6th of 9 in Massachusetts
- Wet days300th driest of 378
- Comfortable days286th most of 340
What to pack for Boston in April
- A rain jacket or umbrella – rain or snow on about 12 days
Frost in April
The last spring frost typically comes around Apr 4; in 1 year in 10 it comes after Apr 17. All frost dates for Boston.
Heating and cooling
April has 496 heating degree days and 4 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Boston in April?
The normal high is 56°F and the normal low is 41°F. From 1991 to 2020 the coldest April reading was 20°F (April 5, 1995).
Does it rain a lot in Boston in April?
About 12 days in April have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest April in 1991-2020 was in 2004 (9.6 in); the driest was in 1999 (0.8 in).
Does it snow in Boston in April?
Yes. Normal snowfall in April is 1.6 in, and snow covers the ground on about 1 day.
Is April a good time to visit Boston?
April ranks 7th of 12 months on our comfort score for Boston (57 out of 100). It has about 6 comfortable days. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, frost dates, humidity and wind by hour and cloud cover: Boston Logan Intl Airport (USW00014739), 2.5 mi E of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Hingham (USC00193624), 12 mi SE of the city center, 35 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Gen E L Logan International Airport (725090-14739), 2.5 mi E of the city center, 11 ft . Hourly observations, 1991-2020.