Best Time to Visit
🇺🇸 Boston, United States · North America
Based on 30-year climate data (1991-2020) from Open-Meteo
Jan
2°
-6°
Fair
Feb
3°
-6°
Fair
Mar
7°
-2°
Good
Apr
14°
4°
Good
May
19°
10°
Great
Jun
25°
15°
Great
Jul
28°
19°
Great
Aug
27°
18°
Great
Sep
23°
15°
Great
Oct
16°
9°
Great
Nov
10°
3°
Good
Dec
5°
-2°
Good
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C | -6°C | 10 | 6h | 65% | 1 | Fair | View |
| February | 3°C | -6°C | 9 | 7h | 65% | 1 | Fair | View |
| March | 7°C | -2°C | 11 | 8h | 65% | 6 | Good | View |
| April | 14°C | 4°C | 11 | 9h | 65% | 6 | Good | View |
| MayRecommended | 19°C | 10°C | 11 | 10h | 65% | 9 | Great | View |
| JuneRecommended | 25°C | 15°C | 10 | 11h | 65% | 9 | Great | View |
| JulyRecommended | 28°C | 19°C | 10 | 12h | 65% | 9 | Great | View |
| AugustRecommended | 27°C | 18°C | 9 | 11h | 65% | 9 | Great | View |
| SeptemberRecommended | 23°C | 15°C | 8 | 9h | 65% | 6 | Great | View |
| OctoberRecommended | 16°C | 9°C | 10 | 8h | 65% | 6 | Great | View |
| November | 10°C | 3°C | 10 | 6h | 65% | 1 | Good | View |
| December | 5°C | -2°C | 11 | 6h | 65% | 1 | Good | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Avg: 13°C high, 4°C low
Mild conditions at 13°C (55°F), layers recommended. Rain is frequent, waterproof gear recommended. Nights cool to 4°C (39°F).
Avg: 27°C high, 17°C low
Comfortable warmth at 27°C (81°F), ideal for outdoor activities. Occasional showers possible. Nights cool to 17°C (63°F).
Avg: 16°C high, 9°C low
Mild conditions at 16°C (61°F), layers recommended. Occasional showers possible. Nights cool to 9°C (48°F).
Avg: 3°C high, -5°C low
Cool to cold at 3°C (37°F), warm clothing essential. Occasional showers possible. Nights cool to -5°C (23°F).
The least favorable time to visit Boston is January and February. During this period, you can expect freezing temperatures.
January
Challenges: freezing temperatures
February
Challenges: freezing temperatures
December
Challenges: freezing temperatures
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience.
Packing recommendations for visiting Boston during the best travel months (September, May, June), when temperatures range from 13°C to 22°C:
Boston has a continental climate (Koppen classification: Dfb). The warmest month is July with highs of 28°C, while the coldest month is January at just 2°C. Annual rainfall averages 1129mm across approximately 120 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 2 | 3 | 7 | 14 | 19 | 25 | 28 | 27 | 23 | 16 | 10 | 5 |
| Low °C | -6 | -6 | -2 | 4 | 10 | 15 | 19 | 18 | 15 | 9 | 3 | -2 |
| Rain Days | 10 | 9 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 10 | 10 | 11 |
| Rain mm | 93 | 83 | 116 | 101 | 80 | 88 | 74 | 86 | 90 | 108 | 94 | 116 |
| Sun h/day | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 11 | 9 | 8 | 6 | 6 |
| Humidity % | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| UV Index | 1 | 1 | 6 | 6 | 9 | 9 | 9 | 9 | 6 | 6 | 1 | 1 |
Considering alternatives to Boston? Compare the best travel months for nearby cities:
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
Explore weather guides for other popular destinations: