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 is the month that records the lowest temperatures, with averages ranging from a high of 37.9°F (3.3°C) to a low of 29.8°F (-1.2°C).Humidity
The average relative humidity in January is 75%.Rainfall
In Falmouth, in January, it is raining for 4.7 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 69.4 rainfall days, and 5.31" (135mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. In January, it is snowing for 4.4 days. Throughout January, 0.16" (4mm) of snow is accumulated. Throughout the year, there are 12.8 snowfall days, and 0.67" (17mm) of snow is accumulated.Ocean temperature
In January, the average ocean temperature in Falmouth is 41.4°F (5.2°C).Note: Unprotected swimming in 41.4°F (5.2°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
In Falmouth, the average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:08 am and sunset at 4:22 pm. On the last day of January, sunrise is at 6:55 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in January is 5h.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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January in Falmouth?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the ocean temperature in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Falmouth, MA
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 29.8°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in January
Falmouth, 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
Falmouth, MA
- Average wind speed in January: 15.3mph
The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.2mph).
Average humidity in January
Falmouth, MA
- Average humidity in January: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in January
Falmouth, MA
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is October (0.71").
The driest months (with the least rainfall) are July, August and September (0.31").
Average rainfall days in January
Falmouth, MA
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is July (7.7 days).
The month with the least rainy days is September (4.6 days).
Average snowfall in January
Falmouth, MA
- Average snowfall in January: 0.16"
The month with the highest snowfall is December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Falmouth, MA
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Falmouth, MA
- Average sea temperature in January: 41.3°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in January /
Average sunshine in January
Falmouth, 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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in January
Falmouth, MA
- Average sunshine days in January: 23.3 days
The month with the most sunshine days is September (23.9 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in January
Falmouth, 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
Falmouth, MA
- Average cloud cover in January: 47
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Falmouth, 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).
Falmouth, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location