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Warm-summer humid continental climate

Köppen Code: Dfb
D : Cold (continental)
f : Without dry season
b : Warm summer


View Index of Climate Classification Types

Cold (continental) without dry season, warm summer.

The coldest month averaging below 0 °C (32 °F), all months with average temperatures below 22 °C (71.6 °F), and at least four months averaging above 10 °C (50 °F).

No significant precipitation difference between seasons.

Related climatic classifications
DfaHot-summer humid continental climate
DfcSubarctic climate
DfdExtremely cold subarctic climate
DsaHot, dry-summer continental climate
DsbWarm, dry-summer continental climate
DscDry-summer subarctic climate
DwaMonsoon-influenced hot-summer humid continental climate
DwbMonsoon-influenced warm-summer humid continental climate
DwcMonsoon-influenced subarctic climate
DwdMonsoon-influenced extremely cold subarctic climate


A selection of mineral localities found in this climate zone.

Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Sterling Mine, Sterling Hill, Ogdensburg, Franklin mining district, Sussex Co., New Jersey, USA
Franklin mining district, Sussex Co., New Jersey, USA
Franconia, Grafton Co., New Hampshire, USA
Franklin Mine, Franklin, Franklin mining district, Sussex Co., New Jersey, USA
Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA
Franklin, Franklin mining district, Sussex Co., New Jersey, USA
Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford Co., Maine, USA
Lebanon, Grafton Co., New Hampshire, USA
Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Bedford, Hillsborough Co., New Hampshire, USA
Francon quarry, Montréal, Québec, Canada
Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA
Centennial Eureka Mine (Blue Rock), Eureka, Tintic District, East Tintic Mts, Juab Co., Utah, USA
Belvidere Mountain Quarries (Vermont Asbestos Group Mine; VAG Mine; Ruberoid Asbestos Mine; Eden Mills Quarries), Lowell & Eden, Orleans & Lamoille Cos., Vermont, USA
Dunton Gem Quarry, Newry, Oxford Co., Maine, USA
McGill University campus, Mont Royal, Montréal, Québec, Canada
Homestake Mine, Lead, Lead District, Lawrence Co., South Dakota, USA
Keweenaw Co., Michigan, USA
Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA
Loudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA
Lime Crest Quarry (Lime Crest-Southdown Quarry; Limecrest Quarry), Franklin Marble, Sparta Township, Sussex Co., New Jersey, USA
Hanover, Grafton Co., New Hampshire, USA
Beryl Pit (Quadeville East mine), Lyndoch Township, Renfrew Co., Ontario, Canada
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