Does It Get Cold In Lewiston, Idaho

Ever thought about the answer of this question, “Does it get cold in Lewiston, Idaho?”. We’ll tell you all about it. In this article, we’ll explain how cold does it get in Lewiston, ID. So, get ready!

Does It Get Cold In Lewiston, Idaho?

It does get cold in Lewiston, Idaho, but it’s not the kind of cold that makes you want to hibernate all winter. Winters are chilly with average daytime highs around 42.1°F in January and nighttime lows near 30.3°F. February is a bit warmer with highs averaging 47.0°F and lows of 31.7°F. By December, temperatures are similar to January, with highs around 40.8°F and lows about 29.5°F. You’ll encounter frosty mornings and the occasional light snowfall, but overall, winter in Lewiston is quite manageable.

According to the analysis of temperature data for Lewiston, Idaho, based on the Total Annual Temperature Normal Statistics from 1991 to 2020 presented by, we can determine the weather trends for each month and when does it get cold in Lewiston, Idaho.

Winter In Lewiston, Idaho

So, what’s winter like in Lewiston? It gets chilly, but it’s not unbearable. Here’s a snapshot of the winter temperatures:

  • January: This is the coldest month, with average daytime highs around 42.1°F and nighttime lows near 30.3°F. Definitely coat weather, but you won’t need the super heavy gear.
  • February: Things start to warm up a little, with highs averaging 47.0°F and lows of 31.7°F.
  • December: Similar to January, with highs around 40.8°F and lows about 29.5°F.

You might see some frosty mornings and the occasional light snowfall, but nothing too intense. The temperatures generally hover just below freezing at their coldest, making the winter season quite bearable.

Spring In Lewiston, Idaho

Spring in Lewiston is quite lovely. The temperatures start to rise, and everything begins to bloom. Here’s a peek at what you can expect:

  • March: Highs around 55.1°F and lows of 35.7°F. It’s still a bit chilly, especially in the mornings and evenings.
  • April: Things warm up to highs of 62.3°F and lows of 40.7°F. Perfect weather for a light jacket.
  • May: Highs reach about 72.0°F, and lows are around 48.1°F. Spring is definitely in full swing!

Spring is a great time to enjoy the outdoors in Lewiston. Whether you’re into hiking, biking, or just enjoying a picnic in the park, the weather is usually pretty accommodating.

Summer In Lewiston, Idaho

Summers in Lewiston are warm and sunny, perfect for all kinds of outdoor activities. Here’s what the summer months look like:

  • June: Highs around 79.0°F and lows of 54.0°F. It’s getting warmer!
  • July: This is the hottest month, with average highs of 90.8°F and lows of 60.9°F. Time to hit the pool!
  • August: Slightly cooler than July, with highs of 90.1°F and lows around 60.3°F.

Summer is prime time for enjoying Lewiston’s rivers and parks. Whether you’re into kayaking, fishing, or just soaking up the sun, there’s plenty to do.

Fall In Lewiston, Idaho

Fall in Lewiston is a treat for the senses, bringing cooler temperatures and vibrant foliage. Let’s break down what you can expect weather-wise during this picturesque season:

  • September: With highs around 79.5°F and lows dipping to 52.3°F, the days remain pleasantly warm but start to hint at the cooler times ahead.
  • October: This month sees highs averaging 63.0°F and lows around 42.0°F. It’s perfect for breaking out your cozy sweaters and enjoying the crisp air.
  • November: The chill becomes more noticeable with highs of 48.7°F and lows dropping to 34.5°F. A jacket is definitely a must-have as you head outdoors.

Fall is an excellent time to explore Lewiston’s beautiful trails and parks. The leaves changing colors create a stunning backdrop, making it ideal for hiking, biking, and leisurely strolls. The cooler weather also makes it more enjoyable to be active outdoors without the summer heat.

Unique Weather Features Of Lewiston

Lewiston’s climate has some distinct characteristics that set it apart. Here are a few highlights:

  • Gentle Winters: Unlike many places in Idaho and across the US, winters in Lewiston are relatively mild. Heavy snowfall is rare, and temperatures usually stay above freezing.
  • Hot Summers: Summers in Lewiston can get pretty toasty, often reaching the 90s. This warm weather is perfect for enjoying outdoor water activities and soaking up the sun.
  • Low Humidity: The air in Lewiston is dry, which makes the high temperatures more comfortable and the cold less harsh.

Does It Snow In Lewiston, Idaho?

You might be wondering, does it snow in Lewiston, Idaho? The answer is yes, but not a lot compared to other US cities that have so much snowfall. Lewiston averages about 12.7 inches of snow annually according to Total Annual Snowfall Normal Statistiques from (1991 – 2020) presented by Most of the snow falls in the winter months, but it usually melts pretty quickly. So, if you love snow, you’ll get a little taste of it, but nothing too overwhelming.

How Does Lewiston’s Climate Compare To Other Parts Of Idaho?

Lewiston’s climate is quite different from other parts of Idaho. For example, cities like Boise and Idaho Falls experience more extreme temperatures and heavier snowfall. Lewiston’s location in the western part of the state gives it a more temperate climate, with milder winters and warmer summers.


Lewiston, Idaho locals and visitors will experience a manageable cold weather. The winters here are quite mild compared to other parts of Idaho and the U.S., with temperatures rarely falling below freezing. Lewiston enjoys a pleasant mix of seasons: winters are cold but not severe, springs are fresh and blooming, summers are warm and perfect for outdoor fun, and falls are filled with colorful leaves and crisp air. Whether you’re thinking of moving to Lewiston or just stopping by, the weather here is welcoming and versatile. Dress for the season, get outside, and take advantage of all the activities and natural beauty that Lewiston offers year-round!

Data Sources And References:

The Monthly Climate Normals (1991-2020) statistics is from and analyzed by in order to to answer your desired questions about temperature and weather in Lewiston, ID.

Monthly Climate Normals (1991-2020) – Lewiston, ID. NOAA’s National Weather Service. from NOWData Link.

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The weather data presented in this article is based on historical averages ( The Monthly Climate Normals (1991-2020) statistics from This information can help you understand typical weather patterns in the region and make informed decisions about travel, events, and outdoor activities. For example, you might use this data to pack appropriate clothing, schedule activities during likely dry periods, or prepare for potential weather-related disruptions.

However, please note that this data does not guarantee future weather conditions, as weather can vary significantly from year to year. Always check current weather forecasts closer to your planned dates for the most accurate and up-to-date information.