Greenwich
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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.

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% *
* Data from: New York City, the United States of America (36 KM, 22 Miles).

Greenwich Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Greenwich - and find the best time to visit.

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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    5/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    1/10
  • Outdoor sports
    3/10

Greenwich 3-Day Forecast

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.