Avon, Connecticut, 3,125 students in 5 schools

Avon School District Snow Day Predictor

Q: How much snow does Avon get?

About 37.6 inches a winter at a NOAA weather station 5.4 miles away, averaged over 9 winters. Between December 1 and March 31 that brings 5.3 weekday mornings a year with 2 inches of new snow or more, and 2.4 with 4 inches or more.

Q: What was the biggest snow day near Avon?

14 inches on January 26, 2026, the largest single day at a NOAA weather station 5.4 miles away in 9 winters. The snowiest winter was 2016 to 2017, with 56 inches.

Q: Does Avon get more snow days than other Connecticut districts?

Avon averages 2.4 weekday mornings a winter with 4 inches of new snow or more, more than 87 percent of the 166 Connecticut districts with a station record.

Q: How does the Avon snow day predictor work?

It reads the National Weather Service forecast for Avon through the night and the 5 to 8 am bus run, adds winter alerts and the Winter Storm Severity Index, and measures the snow against Avon’s own big snow morning: 8 inches, the top tenth of snowy weekday mornings at a NOAA weather station 5.4 miles away.

The odds of a closing or a delay on the next three school mornings in Avon, measured against Avon's own big snow morning of 8 inches.

The next three school mornings

Will Avon close tomorrow?

Reading the National Weather Service forecast for the overnight and the bus hours in Avon.

Ten winters of school mornings

Avon’s snow record

37.6inches of snow a winter

5.3school mornings a winter with 2 in of new snow or more

2.4with 4 in or more

8 ina big snow morning in Avon: the top tenth of snowy school mornings

3school mornings a winter at 0 F or colder

More 4 inch school mornings than 87% of the 166 Connecticut districts with a station record.

0.9Nov

7.9Dec

10.9Jan

11.4Feb

5.6Mar

Average snowfall by month, inches

Biggest day 14 in on January 26, 2026
Snowiest winter 2016 to 2017, 56 in
6 in mornings 1.4 a winter
1 in mornings 8.7 a winter

Measured at a NOAA weather station 5.4 miles away. Mornings are the 7 am snow reading on a weekday from December 1 through March 31, over the ten winters from 2016 to 2017 through 2025 to 2026, from NOAA GHCN Daily.

The Connecticut rule

How Connecticut counts a lost day

Connecticut requires at least 180 days and 900 hours of actual school work, counting no more than 7 hours a day.

The Connecticut rules in the agency’s own words, and every Connecticut district

Next door

Districts near Avon

District	Snow a winter	4 in mornings
Canton School DistrictCollinsville	37.6 in	2.4
Farmington School DistrictFarmington	37.6 in	2.4
Simsbury School DistrictSimsbury	38.9 in	1.9
West Hartford School DistrictWest Hartford	24.8 in	1.7
Bloomfield School DistrictBloomfield	24.8 in	1.7
Windsor School DistrictWindsor	24.8 in	1.7

The schools

5 schools

Every school in Avon follows the district’s call: one closing covers them all.

High

Avon High School

Middle

Avon Middle School
Thompson Brook School

Elementary

Pine Grove School
Roaring Brook School

Questions

Avon snow day questions

How much snow does Avon get?

What was the biggest snow day near Avon?

Does Avon get more snow days than other Connecticut districts?

How does the Avon snow day predictor work?

How does Connecticut handle snow days?

More winter

More for Connecticut snow days

Snow day predictorClosing and delay odds for any ZIP, with the snowiest districts in the country.Snow depth mapHow much snow is on the ground right now, measured, across the country.First snow datesWhen the first measurable snow usually lands where you live.Frozen pipesThe nights cold enough to freeze a pipe, and what to do before one.Snow plow trackerWhere the plows are during a storm, city by city.Connecticut winter forecastThe season ahead for Connecticut: snowfall, cold and the first snow.

A residential street under deep snow on a bright blue morning, cars parked along the curb buried into smooth white mounds, one set of tire tracks down the middle — The morning after a big one: cars buried to the mirrors and one set of tracks down the middle. A street like this is a closing, no debate. Photo, Fairfax, Virginia, January 2016: Jarek Tuszyński, CC BY 4.0

The odds are a forecast read, and the superintendent makes the call: the district’s own announcement is the one to follow.