Skip to main content
LakeQuality

Nonamelk Lake Water Temperature

Nonamelk Lake in Seminole County, Florida averages about 87°F at the surface in summer — warmest in Jun (~87°F) and coldest in Jan (~62°F). These are typical values by month, not a live reading.

Typical in August
86°F
Warm
Summer average
87°F
Warmest (Jun)
87°F
Coldest (Jan)
62°F

Typical water temperature by month

Jan
62°
Feb
71°
Mar
Apr
74°
May
82°
Jun
87°
Jul
Aug
86°
Sep
Oct
81°
Nov
72°
Dec

Typical surface water temperature by month, from 41 field readings (20172025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Nonamelk Lake warm enough to swim?

At its summer peak (~87°F): Warm

Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Want more than temperature? Nonamelk Lake scored C on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Nonamelk Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Nonamelk Lake — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Nonamelk Lake

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a trip to Nonamelk Lake?

Get lake water-quality report cards plus the best cabin & lodging deals near Nonamelk Lake — straight to your inbox. No spam, unsubscribe anytime.

Frequently asked questions

What is the water temperature of Nonamelk Lake?

Nonamelk Lake has a typical summer surface temperature of about 87°F. It is usually warmest in June (around 87°F) and coldest in January (around 62°F). These are typical values by month from 41 EPA Water Quality Portal field readings (2017–2025), not a live reading.

When is Nonamelk Lake warmest?

Surface water at Nonamelk Lake is typically warmest in June, reaching about 87°F. Lake surface temperature lags air temperature by several weeks, so the warmest water usually arrives in mid-to-late summer even though the hottest air can come earlier.

Is Nonamelk Lake warm enough to swim?

At its typical summer peak of about 87°F, Nonamelk Lake rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Where does this Nonamelk Lake water temperature data come from?

Every temperature on this page is a typical (climatological) value computed from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal — 41 readings from 1 monitoring station between 2017 and 2025. They describe what is typical for each month, not the temperature right now.

About this data

Water temperatures are a climatology — the typical value for each month, averaged from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal. They tell you what to expect, not the temperature at this moment. Actual conditions vary with recent weather, depth, and time of day.