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
Ayer records the coldest temperatures in January, averaging a high of 31.3°F (-0.4°C) and a low of 19.4°F (-7°C).Humidity
In Ayer, the average relative humidity in January is 79%.Rainfall
In Ayer, Massachusetts, during January, the rain falls for 7.8 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Ayer, during the entire year, the rain falls for 142.2 days and collects up to 26.97" (685mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, in Ayer, it is snowing for 8.1 days. Throughout January, 4.25" (108mm) of snow is accumulated. Throughout the year, there are 32.6 snowfall days, and 22.99" (584mm) of snow is accumulated.Daylight
In Ayer, the average length of the day in January is 9h and 29min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:23 pm. On the last day of January, sunrise is at 7:01 am and sunset at 4:57 pm EST.
Sunshine
In January, the average sunshine in Ayer, Massachusetts, 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Ayer have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index in Ayer?
What is the UV index intensity in January?
Average temperature in January
Ayer, MA
- Average high temperature in January: 31.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in January: 19.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in January
Ayer, 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 (29.92"Hg).
Average wind speed in January
Ayer, MA
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Ayer, MA
- Average humidity in January: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Ayer, MA
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Ayer, MA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in January
Ayer, MA
- Average snowfall in January: 4.25"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Ayer, MA
- Average snowfall days in January: 8.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ayer, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Ayer, MA
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in January
Ayer, 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
Ayer, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Ayer, MA
- Average visibility in January: 5mi
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
Ayer, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location