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
With an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.2°F (-8.8°C), January is the coldest month.Humidity
The average relative humidity in January in Royalston is 83%.Rainfall
In Royalston, during January, the rain falls for 6.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 143.2 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Royalston, in January, during 10.1 snowfall days, 6.42" (163mm) of snow is typically accumulated. Throughout the year, there are 47.7 snowfall days, and 31.93" (811mm) 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 7:18 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:00 pm EST.
Sunshine
In January, the average sunshine is 4.7h.UV index
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January in Royalston?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Royalston have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Royalston have in January?
What is the UV index reading in January?
Average temperature in January
Royalston, MA
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Royalston, MA
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Royalston, MA
- Average wind speed in January: 8.5mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Royalston, MA
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Royalston, MA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Royalston, MA
- Average rainfall days in January: 6.8 days
The months with the highest number of rainy days are May and June (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in January
Royalston, MA
- Average snowfall in January: 6.42"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Royalston, MA
- Average snowfall days in January: 10.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Royalston, 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: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Royalston, MA
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in January
Royalston, MA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Royalston, MA
- Average cloud cover in January: 50
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in January
Royalston, MA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Royalston, Massachusetts, USA
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