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
January is the coldest month, with the temperature often reaching an average high of 32.7°F (0.4°C) and an average low of 21.9°F (-5.6°C).Humidity
In Rowley, the average relative humidity in January is 77%.Rainfall
In Rowley, during January, the rain falls for 8.6 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Rowley, during the entire year, the rain falls for 145.2 days and collects up to 27.05" (687mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Rowley, in January, during 9.1 snowfall days, 2.52" (64mm) of snow is typically accumulated. Throughout the year, there are 33.6 snowfall days, and 14.96" (380mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 28min.On the first day of January, sunrise is at 7:13 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:54 pm EST.
Sunshine
In Rowley, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the average humidity in January in Rowley?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Rowley have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Rowley, MA
- Average high temperature in January: 32.7°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Rowley, MA
- Average pressure in January: 30"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Rowley, MA
- Average wind speed in January: 11.6mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in January
Rowley, MA
- Average humidity in January: 77%
The months with the highest relative humidity are February and June (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Rowley, MA
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in January
Rowley, MA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in January
Rowley, MA
- Average snowfall in January: 2.52"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Rowley, MA
- Average snowfall days in January: 9.1 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rowley, MA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Rowley, MA
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in January
Rowley, 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
Rowley, MA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Rowley, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rowley, Massachusetts, USA
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