Best Time to See Frogs in Minnesota

July, August and June is the best time to see frogs in Minnesota. Based on 25,919 verified iNaturalist observations, here is exactly when frogs are most active across the year in Minnesota.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Green Frog photographed in Minnesota

Green Frog · Rose Zappa CC BY

Gray Treefrog Species Complex photographed in Minnesota

Gray Treefrog Species Complex · Bria Abeles-Allison CC BY

Wood Frog photographed in Minnesota

Wood Frog · Rose Zappa CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: July, August, JunePeak season right now

25,919 verified observations of frogs in Minnesota, recorded across 12 months of the year on iNaturalist.

When frogs are recorded in Minnesota

Peak month

July

5,296 records (20.4% of the year)

Quietest month

December

9 records

MonthObservationsShare
January120%
February180.1%
March2110.8%
April1,8357.1%
May4,29916.6%
Junepeak4,83118.6%
Julypeak5,29620.4%
Augustpeak5,13519.8%
September3,33612.9%
October8513.3%
November860.3%
December90%

Frogs you are most likely to see

SpeciesVerified observations
American Toad7,463
Northern Leopard Frog3,848
Green Frog2,770
Wood Frog2,012
Boreal Chorus Frog1,560
Gray Treefrog1,332
Spring Peeper1,100
Mink Frog283

Weather to expect, source Open-Meteo

Typical weather in Minnesota

Recent typical conditions by month, so you can plan a trip around both when frogs are active and what the weather is doing. The best months to look for frogs sit around 58 to 79 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan20°F5°F1"
Feb20°F2°F1"
Mar37°F19°F1.9"
Apr48°F30°F2.9"
May64°F44°F2.6"
Junbest time77°F58°F2.6"
Julbest time79°F62°F4.6"
Augbest time77°F61°F3.8"
Sep70°F54°F3.6"
Oct53°F40°F2.7"
Nov38°F25°F1.8"
Dec27°F14°F2.5"

Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Minnesota. Weather varies year to year, so treat these as a guide.

More on frogs in Minnesota:

Sightings of frogs in Minnesota peak in July, when 5,296 of the year's 25,919 verified observations are logged — about 20.4% of the annual total. Activity stays high through July, August and June.

The quietest stretch is December and January, when frogs are hardest to find — December sees just 9 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The frogs you are most likely to encounter in Minnesota are American Toad, Northern Leopard Frog and Green Frog — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.

Where to go

Best places to see frogs in Minnesota

  • Grand Portage National MonumentNational Monument
  • Mississippi National River & Recreation AreaNational River & Recreation Area
  • North Country National Scenic TrailNational Scenic Trail
  • Pipestone National MonumentNational Monument
  • Saint Croix National Scenic RiverwayNational Scenic Riverway
  • Voyageurs National ParkNational Park

Gear to see them

Frequently asked questions

What is the best month to see frogs in Minnesota?+

July is the single best month, and the broader peak window runs through July, August and June, based on 25,919 verified iNaturalist observations.

When are frogs hardest to see in Minnesota?+

December is the quietest month for frogs in Minnesota, with only 9 verified records.

Are frogs active year-round in Minnesota?+

Frogs are recorded in 12 of 12 months in Minnesota, so they can be seen year-round, with a clear peak in July.