Allentown Weather in January

Thinking of visiting Allentown in January? Expect low temperatures reaching 3°C (37°F) during the day, dropping to -6°C (21°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Allentown in January

On average, there are about 11 days with snow/rain during this month, averaging 82 mm (3.2 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Allentown in January

In January, Allentown sees low temperatures, with highs of 3°C (37°F). Nights drop to around -6°C (21°F). January is part of the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -6°C (21°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This is usually the coldest month of the year, so be sure to prepare with plenty of winter gear.

January in Allentown has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.