and the local officials, they'll be really focused on the roads and the heavy snowfall amounts. Temperatures are going to be very cold during the height, allowing the snow to pile up with very high snow to water ratios.Ĭhris Besse, a spokesman for Massachusetts Emergency Management Agency, also emphasized road safety. This is the time when travel is not recommended. This heavy snowfall will occur from mid-morning through late afternoon. This intensity means it will be impossible to travel and even plows will have to pull over and wait it out. If this lasts for three hours, that puts down 6 to 12 inches of snow in a very short amount of time. It looks as though we will see anywhere from 2 to 4 inches of snow fall per hour during its height. The large, intense storm will move up the coastline Saturday, bringing powerful winds at the coast. Low pressure moves up the coast on Saturday bringing wind, snow and some coastal flooding. Temperatures this morning are milder than yesterday by nearly 20 degrees, and it's a good chance to get out and prepare for the big storm before it arrives. Greater Boston will likely see between 18 and 28 inches, and some pockets could even see more than 30 inches where the heavier bands land. Those records may still be standing Saturday evening, but there's also a chance they are both broken. The largest snowfall in January in Boston took place back in 2015, when we had 24.6 inches of snow the largest snowfall ever in the city was President's Day weekend 2003, with 27.6 inches of snow. (David Epstein for WBUR) This article is more than 1 year old.Ī powerful nor'easter moving toward Boston could bring snowfall totals high enough to break previous January records, with more than 2 feet of accumulation possible. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.Snowfall is forecast to be heaviest in eastern Massachusetts from an intense coastal storm. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Take precautions - Protection against sun damage is advised. Note: The daily maximum UV index of 5 in May interpret into the following advice: A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals. UV indexThe average daily maximum UV index in May in Boston, Massachusetts, is 5. SunshineThe average sunshine in May in Boston, Massachusetts, is 8.3h. On the last day of the month, sunrise is at 5:10 am and sunset at 8:13 pm EDT. On the first day of May in Boston, sunrise is at 5:39 am and sunset at 7:43 pm. Daylight In May, the average length of the day in Boston, Massachusetts, is 14h and 37min. Unprotected immersion in temperatures below 50☏ (10☌) causes quickly maximum intensity cold shock with hyperventilation. Note: Swimming in 49.1☏ (9.5☌) is considered dangerous. Ocean temperatureIn May, the average ocean temperature in Boston, Massachusetts, is 49.1☏ (9.5☌). In Boston, Massachusetts, during the entire year, snow falls for 29.8 days and aggregates up to 15.75" (400mm) of snow. During 0.1 snowfall days, Boston aggregates 0.04" (1mm) of snow. May is the last month it regularly snows in Boston. SnowfallMonths with snowfall are January through May, October through December. Throughout the year, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated. Rainfall In Boston, during May, the rain falls for 15.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. HumidityIn Boston, the average relative humidity in May is 72%.
In Boston, in May, the average low-temperature is 50☏ (10☌). TemperatureIn Boston, the average high-temperature in May increases from a cool 55.2☏ (12.9☌) in April to an enjoyable 66.4☏ (19.1☌). May, the last month of the spring in Boston, is an enjoyable month, with an average temperature ranging between min 50☏ (10☌) and max 66.4☏ (19.1☌).
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