Weather radar Boston
Real-time precipitation radar · Massachusetts · United States
Boston climate table – average temperature, precipitation & sunshine hours
The climate table for Boston shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3.2° | 4.4° | 9° | 13.4° | 18.7° | 23.9° | 26.9° | 26° | 22.3° | 17.6° | 11.3° | 6° |
| Avg low (°C) | -3.2° | -3.1° | 1.2° | 5.7° | 10.9° | 16.1° | 19.6° | 18.5° | 15.3° | 10.1° | 3.5° | -0.7° |
| Precipitation (mm) | 116 | 81 | 115 | 90 | 93 | 66 | 102 | 75 | 109 | 92 | 60 | 112 |
| Rainy days | 11 | 8 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 8 | 8 | 12 |
| Sunshine hours | 175 | 187 | 245 | 262 | 315 | 325 | 337 | 331 | 258 | 231 | 213 | 170 |
| Humidity | 67% | 67% | 64% | 66% | 70% | 74% | 77% | 76% | 78% | 75% | 66% | 69% |
Best time to visit Boston
The best time to visit Boston is typically August. In this month the average high is 26°C, precipitation is 75 mm and sunshine duration is 331 hours. The annual average high is 15.2°C, total annual precipitation is 1111 mm (119 rainy days/year) and annual sunshine is 3049 hours.
Frequently asked questions about the weather in Boston
How up to date is the weather radar for Boston?
The weather radar for Boston is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Boston?
Besides the rain radar, RadarWeather provides for Boston: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Boston?
The thunderstorm potential for Boston is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Boston.
What is the climate like in Boston?
Boston has an annual average high of 15.2°C. The warmest month is July (avg high 26.9°C), the coldest January (avg low -3.2°C). The wettest month is January with 116 mm, the driest November with 60 mm. Total annual precipitation is 1111 mm (119 rainy days). Annual sunshine is 3049 hours.
Weather radar near Boston
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