Guest, Sign inJoin

Post to Glen St. Mary

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
Weather in Glen St. Mary, FL · National Weather Service + NOAA

Glen St. Mary is snow country

Glen St. Mary has warm winters and hot summers, with plenty of rain. A typical July afternoon reaches 92°, a January night drops to 41°, and snow is almost unheard of. In November, a normal day reaches 74° and a normal night drops to 50°.

Winter 68°/43°Spring 81°/55°Summer 91°/70°Fall 81°/59°
Right now
—
Loading conditions…
Sunrise 6:46 am · sunset 5:38 pm

Getting the latest forecast from the National Weather Service…

What stands out about Glen St. Mary’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow countryAbout 0 inches a winter, more than 910 of 927 Florida towns.A wet climate52 inches of rain and melted snow a year, more than 90% of U.S. towns.Among Florida’s coldest wintersJanuary nights average 41°, colder than 864 of 958 Florida towns.A short growing season272 frost-free days, from Mar 8 to Dec 1.
A normal year

Where today sits in Glen St. Mary’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
68° / 43°
Snow is rare
Spring
81° / 55°
Last frost around Mar 8
Summer
91° / 70°
81 days reach 90° in a normal year
Fall now
81° / 59°
First frost around Dec 1
26 daysuntil the usual first frost (Dec 1)
Best months to be outside
JanFebMarAprOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does Glen St. Mary get?Almost none.When is it wettest?June, with 7.4 inches.Is it warmer than it used to be?+1.2° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Glen St. Mary.

Town Square →
Weigh in
Is winter the best season in Glen St. Mary?

Your answer becomes a post in Town Square.

Start the conversation

Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Glen St. Mary itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Glen St Mary 1 W, FL (2 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.