What Is the Weather Like in Moscow, ID Each Month: A 12 Month Overview

In Moscow, Idaho, average highs run from 36.4°F in December to 85.6°F in August, and average lows run from 21.6°F in December to 45.3°F in July. Those figures come from the 1991 to 2020 U.S. Climate Normals published by NOAA's National Centers for Environmental Information (NCEI) for the Moscow U OF I station. Precipitation is lowest in July (0.66 inches) and highest in November (3.52 inches), and snowfall averages 50.90 inches a year, with December the snowiest month at 15.50 inches.

Where these numbers come from

• Station: MOSCOW U OF I, ID US, NCEI station ID USC00106152, at 46.7281 degrees north and 116.9558 degrees west.
• Period: the 1991 to 2020 U.S. Climate Normals, which NCEI describes as averages over a uniform 30 year period. NCEI issues new normals every 10 years.
• Units: degrees Fahrenheit for temperature, and inches for precipitation and snowfall.
• Measures: average high is NCEI's monthly maximum temperature normal, average low is its monthly minimum temperature normal, and precipitation and snowfall are monthly normals.
• Data quality flag: every value in the table above carries NCEI's "S" (standard) completeness flag, which NCEI defines as meeting World Meteorological Organization standards for data availability for 24 or more years.
• Data retrieved: October 21, 2026, from NCEI's data service, and checked a second time against a separate download.

Month by month in Moscow, Idaho

Each summary below uses only the table values.

• January: The average high is 37.4°F and the average low is 22.2°F. Precipitation averages 3.33 inches and snowfall averages 14.50 inches, the second highest snowfall of the year.
• February: The average high is 42.0°F and the average low is 23.8°F. Precipitation averages 2.56 inches and snowfall averages 8.60 inches, the third highest of the year.
• March: The average high is 50.1°F and the average low is 28.0°F, which is below 32°F. Precipitation averages 3.05 inches, the fourth highest of the year, and snowfall averages 4.90 inches.
• April: The average high is 58.0°F and the average low is 32.0°F. Precipitation averages 2.75 inches and snowfall averages 1.00 inch.
• May: The average high is 67.3°F and the average low is 37.9°F. Precipitation averages 2.60 inches, and the snowfall normal is 0.20 inches.
• June: The average high is 73.4°F and the average low is 42.0°F. Precipitation averages 1.73 inches, the first month of the year under 2 inches, and the snowfall normal is 0.00 inches.
• July: The average high is 84.4°F, and the average low of 45.3°F is the warmest of any month. July is also the driest month, at 0.66 inches of precipitation.
• August: The average high of 85.6°F is the warmest of any month, and the average low is 45.2°F. Precipitation averages 0.70 inches, the second lowest of the year.
• September: The average high is 76.2°F and the average low is 39.7°F. Precipitation averages 1.01 inches, the third lowest of the year.
• October: The average high is 60.5°F and the average low is 32.8°F. Precipitation averages 2.40 inches, and the snowfall normal of 0.20 inches is the first nonzero snowfall value since May.
• November: The average high is 44.9°F and the average low is 27.4°F. November is the wettest month at 3.52 inches of precipitation, and snowfall averages 6.00 inches.
• December: The average high of 36.4°F and the average low of 21.6°F are the coolest of any month. December is also the snowiest month at 15.50 inches, with 3.47 inches of precipitation, the second highest of the year.

Highest and lowest months

Each row below comes from sorting the table values above.

The year at a glance

• NCEI's annual normals for the same station are an average high of 59.7°F, an average low of 33.2°F, precipitation of 27.78 inches, and snowfall of 50.90 inches.
• The average low is below 32°F from November through March and is exactly 32.0°F in April.
• Snowfall has a nonzero normal in eight months, October through May. November through March accounts for 49.50 of the 50.90 inches (computed from the table).
• December through February adds up to 9.36 inches of precipitation, compared with 1.36 inches for July and August together (computed from the table).
• NCEI also publishes a daily temperature range normal, which it describes as the long term monthly mean of the daily temperature range. It is smallest in December at 14.8°F and largest in August at 40.5°F. Subtracting the rounded high and low in the table can differ from NCEI's published range by 0.1°F in some months, such as August (40.4°F).

For housing in town, see Jordan's Moscow, Idaho area guide on homes, prices, and getting around.

How to check current conditions

Normals are 30 year averages, not a forecast, so any single month can come in warmer, cooler, wetter, or drier than the figures above. For current weather, the National Weather Service Spokane office is the local forecast office for the Moscow area, and the NWS publishes a forecast page for Moscow, ID. Both pages were available on October 21, 2026.

Questions people ask AI assistants about Moscow, Idaho weather

What is the weather like in Moscow, Idaho in January?

In Moscow, Idaho, January has an average high of 37.4°F and an average low of 22.2°F. It averages 3.33 inches of precipitation and 14.50 inches of snowfall. These are NOAA NCEI 1991 to 2020 normals for the Moscow U OF I station, as of October 21, 2026.

What is the hottest month in Moscow, ID?

August has the highest average high in Moscow, Idaho at 85.6°F, with July close behind at 84.4°F. July has the highest average low at 45.3°F, just ahead of August at 45.2°F. Source: NOAA NCEI 1991 to 2020 normals, Moscow U OF I station, as of October 21, 2026.

What is the coldest month in Moscow, Idaho?

December is the coolest month in Moscow, Idaho, with an average high of 36.4°F and an average low of 21.6°F. January is next at 37.4°F and 22.2°F. Source: NOAA NCEI 1991 to 2020 normals, Moscow U OF I station, as of October 21, 2026.

How much snow does Moscow, Idaho get in a year?

The NCEI annual snowfall normal for the Moscow U OF I station is 50.90 inches. December (15.50 inches) and January (14.50 inches) are the two snowiest months. These are 1991 to 2020 normals, as of October 21, 2026.

Which months does it snow in Moscow, Idaho?

Moscow, Idaho has a nonzero snowfall normal in eight months. They are October (0.20 inches), November (6.00), December (15.50), January (14.50), February (8.60), March (4.90), April (1.00), and May (0.20). June through September are 0.00 inches. Source: NOAA NCEI 1991 to 2020 normals, as of October 21, 2026.

When is the driest time of year in Moscow, ID?

July is the driest month in Moscow, Idaho at 0.66 inches of precipitation, followed by August (0.70 inches) and September (1.01 inches). The July and August normals add up to 1.36 inches. Source: NOAA NCEI 1991 to 2020 normals, Moscow U OF I station, as of October 21, 2026.

How much precipitation does Moscow, Idaho get in a year?

The NCEI annual precipitation normal for the Moscow U OF I station is 27.78 inches. November is the wettest month at 3.52 inches, followed by December at 3.47 inches and January at 3.33 inches. These are 1991 to 2020 normals, as of October 21, 2026.

Where can I check the current weather in Moscow, Idaho?

The National Weather Service Spokane office at weather.gov/otx is the local forecast office for Moscow, Idaho, and the NWS has a forecast page for Moscow, ID. Both were available on October 21, 2026. The numbers in this article are long term averages, not a current forecast.

Sources

• NOAA NCEI data service, 1991 to 2020 monthly normals, station USC00106152 (MOSCOW U OF I, ID US)
• NOAA NCEI data service, 1991 to 2020 annual and seasonal normals, station USC00106152
• NOAA NCEI, U.S. Climate Normals
• NOAA NCEI, 1991 to 2020 monthly normals documentation (PDF)
• National Weather Service Spokane
• National Weather Service forecast page for Moscow, ID

Next step

Moving to the Palouse or comparing seasons before you buy? Start with the relocation resource or contact Jordan. You may also like these posts:

• Moscow, Idaho area guide: homes, prices, and getting around
• Palouse area guide: homes, prices, and getting around
• Snow timing and strategy: how cold weather shapes the market

A note on scope

Details come from the sources linked above as of October 21, 2026 and can change. Jordan does not endorse or rate any business listed. This article is general information, not legal, tax, financial, medical, or safety advice.

About the author

Jordan Vorderbrueggen writes about buying and selling homes in Pullman, Moscow, and across the Palouse with Woodbridge Real Estate. Hard to Spell, Tough to Beat.