Greenwich Weather in January
During January, Greenwich experiences low daytime temperatures of 4°C (39°F) and cooler nights around -4°C (25°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 89 mm (3.5 in) is typical.
Rainfall in Greenwich in January
On average, there are about 12 days with snow/rain during this month, averaging 89 mm (3.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Greenwich in January
Temperatures in Greenwich in January top out at 4°C (39°F) and drop to -4°C (25°F) overnight. This month falls in the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights drop below freezing to -4°C (25°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. With temperatures often at their lowest, it is the coldest month of the year. Ideal for indoor activities, be sure to pack warm clothing.
Sunshine in Greenwich in January
With about 161 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Greenwich.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Greenwich's climate page.
Greenwich Temperature in January
Min Temperature
-4°C (25°F)
Max Temperature
4°C (39°F)
Chance of Rain
40%
Precipitation
89 mm (3.5 in)
Rainy days
12 days
Humidity
61% *
Sunshine
161 hours *
Percentage Sunshine
54% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
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What to Wear in Greenwich in January
Dress warmly and in layers for your trip to Greenwich in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Greenwich in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Greenwich's climate page.
Temperature Rainfall Sunshine Humidity
See the full Greenwich climate overview or explore weather in the United States of America.
