Alton
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Alton Weather in January

January in Alton brings low temperatures around 4°C (39°F) during the day, dropping to -5°C (23°F) at night, with the driest conditions of the year.

Rainfall in Alton in January

This month sees the least rain of the year, making it well suited for outdoor adventures, even if you'll need a jacket. Analyzing past climate data, one can expect approximately 7 days of snow/rain, averaging 42 mm (1.7 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Alton in January

Daytime temperatures in Alton reach 4°C (39°F) in January, dropping to -5°C (23°F) at night. January is a notable month of the winter season. Staying warm is the main priority this month, especially during mornings and evenings. At -5°C (23°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. Prepare for the coldest month of the year by packing warm and cozy winter cloths.

Sunshine in Alton in January

The area enjoys a balanced 163 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September and October typically offer the best weather for Alton.

Alton Temperature in January

Min Temperature
-5°C (23°F)
Max Temperature
4°C (39°F)
Chance of Rain
23%
Precipitation
42 mm (1.7 in)
Rainy days
7 days
Humidity
72% *
Sunshine
163 hours *
Percentage Sunshine
53% *
* Data from: St. Louis, the United States of America (29 KM, 18 Miles).

Alton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Alton - 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 Alton in January

We recommend to layer up for chilly conditions in Alton in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Alton 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
    2/10
  • Outdoor sports
    3/10

Alton 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.