Welcome to our Syracuse Weather Dashboard.

This offers a comprehensive, data-driven look at the key weather variables, such as temperature, snowfall, and storm frequency, that define the academic experience at Syracuse.

This dashboard is to provide current and prospective students, faculty, and local residents with a clear, historical understanding of Syracuse’s renowned winter climate. By analyzing decades of data from the National Centers for Environmental Information (NCEI) and the National Weather Service, we aim to allow users to move beyond anecdotes and utilize verifiable data to prepare for the academic year and the inevitable snowfall.

Question: How do the average temperatures in Syracuse change across the year, and which months are the coldest for students?

Average temperatures in Syracuse reach their lowest point in January, with an average temperature of 24.4°F, and remain cold throughout December (32°F) and February (27.3°F). Temperatures warm steadily through spring and peak in July, when the average temperature reaches 72.9°F.. This confirms that the coldest period for students is December through February, while the warmest conditions occur in midsummer before temperatures drop again heading into the fall semester. For more information regarding temperature rates in Syracuse, visit Past Weather Data for Syracuse, NY.

A month-by-month breakdown of Syracuse’s temperature patterns, highlighting typical average, high, and low conditions for students.

Monthly Temperature Summary (Last 30 Years)
Month Mean Temp (°F) Median Temp (°F) Max Temp (°F) Min Temp (°F)
Jan 24.4 26 70 -18
Feb 27.3 28 75 -23
Mar 34.8 35 85 -8
Apr 46.8 46 91 9
May 59.3 59 93 28
Jun 67.9 68 97 37
Jul 72.9 73 101 48
Aug 71.1 71 101 45
Sep 64.4 65 95 30
Oct 52.8 53 89 24
Nov 41.7 41 80 -1
Dec 32.0 32 72 -10

Question: What is the average monthly snowfall amount, and during which month are Syracuse students likely to experience the most snow?

Average snowfall in Syracuse peaks in January, when the city receives about 34 inches of snow on average. Snow totals remain high in December and February, creating a long winter season for students. From late spring through early fall, snowfall is close to zero, so most snow days are concentrated in the core winter months.

A month-by-month snapshot of Syracuse’s snowfall, highlighting which parts of the school year are snowiest and which months have little or no snow.

Average Monthly Snowfall by Decade (June–September Excluded)
Decade Month Average Snowfall (in.)
Jan 34.0 1990s
Feb 30.3 1990s
Mar 19.8 1990s
Apr 3.0 1990s
May 0.1 1990s
Oct 0.2 1990s
Nov 9.8 1990s
Dec 30.6 1990s
Jan 34.0 2000s
Feb 30.3 2000s
Mar 19.8 2000s
Apr 3.0 2000s
May 0.1 2000s
Oct 0.2 2000s
Nov 9.8 2000s
Dec 30.6 2000s
Jan 34.0 2010s
Feb 30.3 2010s
Mar 19.8 2010s
Apr 3.0 2010s
May 0.1 2010s
Oct 0.2 2010s
Nov 9.8 2010s
Dec 30.6 2010s

Question: How often does Syracuse experience blizzards, and what time of year are they most frequent?

The grouped bar chart shows how winter storm frequency varies by both month and decade in Onondaga County. December and February remain the most active winter storm months across all decades, although the 2000s and 2010s show higher storm counts relative to the 1990s and 2020s. January shows moderate activity in each decade, while March and April consistently have low totals. Overall, winter storm activity remains concentrated in the December through February period.

Winter (December–February) accounts for nearly all winter storm events in Onondaga County, with only a small number occurring in early spring. No storms are recorded in summer or fall, reinforcing the strong seasonal concentration of winter storm activity.

Winter Storm Frequency by Season
Season Storm Count
Winter 21
Spring 3
Summer 0
Fall 0

Question: How many days per semester can Syracuse students typically expect snow, and which semester experiences more snow depth?

The boxplot displays the distribution of snow depth in Syracuse for both Fall and Spring semesters from 2005 to 2025. It shows that Fall has lower snow depths, with a median of around 4 inches, and there are several outliers. In contrast, Spring has a higher median snow depth at around 7 inches. Spring also shows more extreme outliers, reaching up to 30 inches. While both semesters experience snow depth, overall Spring semester has a higher accumulation. For more information regarding snow depth in Syracuse, visit Past Weather Data for Syracuse, NY.

This table shows how many days, on average, per semester students at Syracuse University can expect snow.

Snowy Days per Semester (2005–2025)
Year Fall Spring
2005 34 78
2006 7 49
2007 29 72
2008 21 44
2009 17 56
2010 28 67
2011 2 70
2012 11 26
2013 27 64
2014 16 72
2015 2 84
2016 29 53
2017 22 46
2018 34 72
2019 26 66
2020 12 54
2021 8 50
2022 20 64
2023 6 45
2024 16 37
2025 2 68

Question: Over the last 11 years has there been a decrease or increase in average wind speed in Syracuse?

The earlier years, particularly 2016–2017, show higher wind speeds from January through April, with 2016 averaging 3.5 mph, 2017 averaging 3.2 mph, 2020 averaging 3 mph, and 2022 averaging 2.4 mph. From 2015 to 2017, wind speeds were generally higher, especially in January through April. In the years that follow, the values become more consistent, with most post 2015 measurements clustering around 3.6 mph. Overall, there is a slight decrease over time, but wind speeds remain fairly steady in the later years.

Monthly Average Wind Speed
Month Avg_WindSpeed
Jan 3.23
Feb 3.50
Mar 3.76
Apr 3.66
May 2.90
Jun 2.32
Jul 1.87
Aug 1.74
Sep 1.78
Oct 2.40
Nov 3.22
Dec 3.24
Yearly Average Wind Speed
Date Avg_WindSpeed
2016 3.48
2017 3.19
2018 2.40
2019 3.44
2020 3.01
2021 2.14
2022 2.38
2023 2.04
2024 2.46
2025 3.48

This dashboard was created using Quarto in RStudio, and the R Language and Environment.

The dataset used to create this dashboard was downloaded from

National Centers for Environmental Information. (2025, December 2). Past Weather – Syracuse, NY. https://www.ncei.noaa.gov/access/past-weather/Syracuse,%20NY

Palecki, M., Durre, I., Applequist, S., Arguez, A., & Lawrimore, J. (2021). National Centers for Environmental Information. U.S. Climate Normals 1991–2020: Monthly Climate Normals. https://www.ncei.noaa.gov/access/us-climate-normals/?utm_source=chatgpt.com#dataset=normals-monthly&timeframe=30&location=NY&station=USW00014771

National Centers for Environmental Information. Storm Events Database: Winter Storm events in Onondaga County, NY (1950–2024). https://www.ncei.noaa.gov/stormevents/listevents.jsp?eventType=%28Z%29+Winter+Storm&beginDate_mm=01&beginDate_dd=01&beginDate_yyyy=1950&endDate_mm=11&endDate_dd=12&endDate_yyyy=2024&county=ONONDAGA%3A67&hailfilter=0.00&tornfilter=0&windfilter=000&sort=DT&submitbutton=Search&statefips=36%2CNEW+YORK

National Weather Service. Past weather observations – KSYR (Syracuse Hancock International Airport). https://forecast.weather.gov/data/obhistory/KSYR.html

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