Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Hopkinton, the lowest temperatures are generally noted in January, averaging a high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C).Humidity
The average relative humidity in January is 77%.Rainfall
In Hopkinton, during January, the rain falls for 7.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 157.5 rainfall days, and 29.53" (750mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hopkinton, during January, snow falls for 7.1 days and regularly aggregates up to 3.35" (85mm) of snow. Throughout the year, there are 28.8 snowfall days, and 17.32" (440mm) of snow is accumulated.Daylight
In Hopkinton, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:24 pm. On the last day of January, sunrise is at 7:00 am and sunset at 4:58 pm EST.
Sunshine
In Hopkinton, the average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January in Hopkinton?
What time are sunrise and sunset in January?
How long on average sun shines in January in Hopkinton?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Hopkinton, MA
- Average high temperature in January: 33.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in January: 21°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in January
Hopkinton, MA
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Hopkinton, MA
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Hopkinton, MA
- Average humidity in January: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Hopkinton, MA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Hopkinton, MA
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Hopkinton, MA
- Average snowfall in January: 3.35"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hopkinton, MA
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hopkinton, MA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Hopkinton, MA
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).
Average UV index in January
Hopkinton, MA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Hopkinton, MA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Hopkinton, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are February, August and September (5mi).
Hopkinton, Massachusetts, USA
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