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
East Moriches, New York, records the coldest temperatures in January, averaging a high of 38.7°F (3.7°C) and a low of 30.6°F (-0.8°C).Humidity
The average relative humidity in January is 73%.Rainfall
January, February and September are months with the least rain when the rain falls for 10.1 days and typically aggregates up to 2.01" (51mm) of rain.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 5.3 days and accumulates 1.5" (38mm) of snow.Ocean temperature
In East Moriches, the average seawater temperature in January is 40.8°F (4.9°C).Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. If not properly protected by insulated waterproof attire, hypothermia ensues quickly.
Daylight
The average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:15 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:06 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the water temperature in January?
How many hours of daylight does East Moriches have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does East Moriches have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
East Moriches, NY
- Average high temperature in January: 38.7°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in January: 30.6°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
East Moriches, NY
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
East Moriches, NY
- Average wind speed in January: 14.5mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in January
East Moriches, NY
- Average humidity in January: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
East Moriches, NY
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in January
East Moriches, NY
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in January
East Moriches, NY
- Average snowfall in January: 1.5"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
East Moriches, NY
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
East Moriches, NY
- Average sea temperature in January: 40.8°F
The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (38°F).
Average daylight in January /
Average sunshine in January
East Moriches, NY
- 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 18min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
East Moriches, NY
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in January
East Moriches, NY
- 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 and December (UV index 2).
Average cloud cover in January
East Moriches, NY
- Average cloud cover in January: 45
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
East Moriches, NY
- 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).
East Moriches, New York, USA
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