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When does it first snow in Hartford (Bradley Airport), CT?

At Hartford (Bradley Airport), the typical date of the first measurable snowfall (0.1 inch or more in a day) is Dec 3. That is the median over the last 30 snow seasons: half of seasons saw it earlier, half later. In about 1 season in 10 it came by Nov 3, and in 1 in 10 not until Dec 24 or later. The earliest was Oct 27 (2016-17) and the latest Jan 18 (2006-07). A first snowfall of at least 1 inch in a single day typically arrives around Dec 5, and 100% of seasons had one. The first freeze of fall (a low of 32°F or colder) typically comes around Oct 18, and the last freeze of spring around Apr 21.

This season so far (2026-27, data through Oct 16, 2026): no measurable snow recorded yet; no 32°F freeze recorded yet at this station. Compare with the typical dates above. This is observed data and can lag by a day or two, and it is not a forecast.

Dec 3Median first measurable snow (0.1"+)

Dec 5Median first 1"+ snowfall

48.2"Average snowfall per season

Oct 18Median first fall freeze (≤32°F)

Apr 21Median last spring freeze (≤32°F)

178Median freeze-free days between

First snowfall dates at Hartford (Bradley Airport)

First day with…	Median date	Typical range (10th–90th pct)	Earliest in 30 seasons	Latest in 30 seasons	Seasons with one
0.1" of snow or more (measurable)	Dec 3	Nov 3 – Dec 24	Oct 27 (2016-17)	Jan 18 (2006-07)	100%
1" of snow or more	Dec 5	Nov 3 – Dec 30	Oct 27 (2016-17)	Feb 2 (2006-07)	100%
3" of snow or more	Dec 15	Nov 25 – Jan 27	Oct 29 (2011-12)	Mar 10 (1996-97)	100%

Based on 26 seasons (July–June, 1995-96 to 2024-25) with at least 85% complete daily snowfall records at the station. Dates are for a single day’s snowfall, so "1 inch" means one calendar day with 1" or more, not total accumulation.

Chance the first snow has already happened by a given date

Snowfall	By Nov 1	By Dec 1	By Jan 1
0.1"+ (measurable)	12%	42%	92%
1"+	12%	38%	92%

In spring, the last measurable snowfall of the season typically falls around Mar 30 (median).

First and last freeze dates in Hartford (Bradley Airport)

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Oct 18	Oct 6 – Nov 1	Sep 29 (2000) / Nov 4 (2021)	100%
32°F or colder (freeze)	Last in spring	Apr 21	Apr 11 – May 13	–	100%
28°F or colder (hard freeze)	First in fall	Nov 2	Oct 15 – Nov 8	Oct 9 (2000) / Nov 15 (2022)	100%
28°F or colder (hard freeze)	Last in spring	Apr 7	Mar 27 – Apr 22	–	100%

Based on the station’s daily minimum temperature, 1995–2024. “Freeze” here means a daily low at or below the threshold, which is not the same as visible frost. Your yard can differ by several degrees and days from an airport weather station, so use these as planning odds, not guarantees.

The median stretch between the last spring freeze and the first fall freeze (the freeze-free season) was about 178 days.

Nearby weather stations

Source station: Hartford-Bradley Intl Ap (USW00014740), elevation 169 ft. Data: NOAA NCEI GHCN-Daily. Computed by First Snow Dates; how we calculate this. Historical averages only; for a forecast see weather.gov.

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