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 sea temperature 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, with an average high of 38.3°F (3.5°C) and a low of 30.4°F (-0.9°C), signifies the coldest month of the year.Humidity
The average relative humidity in January is 75%.Rainfall
In Osterville, Massachusetts, during January, the rain falls for 10.8 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Osterville, during the entire year, the rain falls for 157.2 days and collects up to 31.77" (807mm) of precipitation.Snowfall
Months with snowfall are January through April and December. In Osterville, in January, snow falls for 6.4 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, in Osterville, there are 24.1 snowfall days, and 6.1" (155mm) of snow is accumulated.Ocean temperature
In January, the average ocean temperature in Osterville, Massachusetts, is 41.5°F (5.3°C).Note: Swimming in 41.5°F (5.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
The average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:08 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:55 pm EST.
Sunshine
In January, the average sunshine in Osterville is 4.9h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 2 in January transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Osterville?
How cold does it get in Osterville in January?
What is the average humidity in January in Osterville?
How many days does it rain in January in Osterville?
How many days does it snow in January in Osterville?
How cold is the water in January in Osterville?
What is the average length of the day in January in Osterville?
When are sunrise and sunset in January in Osterville?
How long on average sun shines in January in Osterville?
What are the months with the lowest UV index in Osterville?
What is the UV index reading in January in Osterville?
Average temperature in January
Osterville, MA
- Average high temperature in January: 38.3°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in January: 30.4°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in January
Osterville, 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 (29.93"Hg).
Average wind speed in January
Osterville, MA
- Average wind speed in January: 16.5mph
The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).
Average humidity in January
Osterville, MA
- Average humidity in January: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Osterville, MA
- Average rainfall in January: 2.87"
The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").
Average rainfall days in January
Osterville, MA
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in January
Osterville, MA
- Average snowfall in January: 1.42"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in January
Osterville, MA
- Average snowfall days in January: 6.4 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Osterville, MA
- Average sea temperature in January: 41.5°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in January /
Average sunshine in January
Osterville, MA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in January
Osterville, MA
- Average sunshine days in January: 12.8 days
The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in January
Osterville, MA
- Average UV index in January: 2
The months with the highest UV index are 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
Osterville, MA
- Average cloud cover in January: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Osterville, 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).
Osterville, Massachusetts, USA
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