USA - United States - weather forecast - Boston

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Boston - weather during the year:
January: quite a lot of rainy days (9), medium amount of precipitation (91.2 mm), relatively cold weather during the day (2.1 °C / 35.8 °F), freezing during nights (-5.8 °C / 21.6 °F).
February: a few rainy days (7.6), medium amount of precipitation (91.9 mm), relatively cold weather during the day (3.1 °C / 37.6 °F), freezing during nights (-5 °C / 23 °F).
March: quite a lot of rainy days (9.1), medium amount of precipitation (93.7 mm), relatively cold weather during the day (7.7 °C / 45.9 °F), freezing during nights (-0.4 °C / 31.3 °F).
April: a few rainy days (8.6), medium amount of precipitation (91.4 mm), relatively cold weather during the day (13.3 °C / 55.9 °F), cold in the nights (4.6 °C / 40.3 °F).
May: a few rainy days (8.9), medium amount of precipitation (82.6 mm), pleasant temperatures during the day (19.2 °C / 66.6 °F), cold in the nights (9.9 °C / 49.8 °F).
June: a few rainy days (8.3), medium amount of precipitation (78.5 mm), pleasant temperatures during the day (24.6 °C / 76.3 °F), not very cold nights (15.1 °C / 59.2 °F).
July: a few rainy days (7.2), medium amount of precipitation (72.1 mm), very hot during the day (27.7 °C / 81.9 °F), warm weather even in the nights (18.4 °C / 65.1 °F).
August: a few rainy days (7.8), medium amount of precipitation (82.3 mm), very hot during the day (26.6 °C / 79.9 °F), not very cold nights (17.8 °C / 64 °F).
September: a few rainy days (6.7), medium amount of precipitation (77.7 mm), pleasant temperatures during the day (22.7 °C / 72.9 °F), not very cold nights (13.8 °C / 56.8 °F).
October: a few rainy days (6.9), medium amount of precipitation (83.8 mm), pleasant temperatures during the day (17.1 °C / 62.8 °F), cold in the nights (8.3 °C / 46.9 °F).
November: a few rainy days (8.9), medium amount of precipitation (107.2 mm), relatively cold weather during the day (11.2 °C / 52.2 °F), cold in the nights (3.5 °C / 38.3 °F).
December: quite a lot of rainy days (9.7), medium amount of precipitation (101.9 mm), relatively cold weather during the day (4.7 °C / 40.5 °F), freezing during nights (-2.9 °C / 26.8 °F).

Weather forecasting is a very old discipline. Methods of weather forecasting have been improved in the last years very much, but the forecast still is not 100 percent reliable. The weather forecast for USA - United States is no exception. Take this in account please when reading the information on this page. The weather forecast for 1 day is usually very reliable - its reliability is typically much over 90 percent, but for more days the reliability is much lower. A big problem is a weather forecast for mountains - there is often erratic (inconsistent) weather and even in a small area there are different kinds of weather even a few kilometers apart. Even if the weather forecast is not absolutely reliable, we recommend you to watch weather forecast for the places of your holidays. If you plan your travel for a further future, look for information about typical weather in your area in your date. This page covers weather for one area - USA - United States. On other pages you can find information about weather in other world places. Information source: National meteorological institutes, World Meteorological Organization and openweathermap.org.

If you plan your travel to USA - United States long time in advance, then look at information about typical (usual) weather in this place in your date. We bring you details about selected places - minimum and maximum temperature in all months, number of rainy days and amount of precipitation (typically rain or snow) in millimetres. Information about the temperatures tells you what kind of clothing you should pack, number of rainy days tells you how rainy is your season, amount of precipitation tells you about the intensity of rain (snow). When reading information about the typical weather, please keep in your mind this: Beginning of any month may be very different from its end. If you plan your holidays for example for the beginning of may, look at the april weather as well. If you are travelling at the end of june, look at july as well, for the end of august look at september as well, for the end of november look at the december as well, for the beginning of february look at january as well etc. Please do not forget: Weather statistics are a great thing, but the real weather may be different from these long-term statistics. Keep in mind that the weather is probably changing due to global warming. Please watch weather forecast as well.