Merdrignac

The River Meu forms most of the commune's northern border.

Merdrignac has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Merdrignac is {{cvt|11.5|C}}. The average annual rainfall is {{cvt|931.5|mm}} with December as the wettest month. The temperatures are highest on average in July, at around {{cvt|17.9|C}}, and lowest in December, at around {{cvt|5.5|C}}. The highest temperature ever recorded in Merdrignac was {{cvt|39.2|C}} on 5 August 2003; the coldest temperature ever recorded was {{cvt|-8.3|C}} on 12 January 2010.

{{Weather box

|location= Merdrignac (1981–2010 averages, extremes 1998−present)

|width = auto

|collapsed = true

|metric first= Y

|single line= Y

|Jan record high C = 17.7

|Feb record high C = 22.0

|Mar record high C = 23.5

|Apr record high C = 27.2

|May record high C = 30.5

|Jun record high C = 34.4

|Jul record high C = 36.4

|Aug record high C = 39.2

|Sep record high C = 31.7

|Oct record high C = 29.0

|Nov record high C = 20.3

|Dec record high C = 16.2

|year record high C = 39.2

|Jan high C = 8.6

|Feb high C = 9.5

|Mar high C = 12.1

|Apr high C = 15.0

|May high C = 18.4

|Jun high C = 22.0

|Jul high C = 23.3

|Aug high C = 23.1

|Sep high C = 21.1

|Oct high C = 16.5

|Nov high C = 11.8

|Dec high C = 8.4

|year high C = 15.8

|Jan mean C = 5.6

|Feb mean C = 6.2

|Mar mean C = 8.1

|Apr mean C = 10.2

|May mean C = 13.5

|Jun mean C = 16.6

|Jul mean C = 17.9

|Aug mean C = 17.8

|Sep mean C = 15.7

|Oct mean C = 12.4

|Nov mean C = 8.4

|Dec mean C = 5.5

|year mean C = 11.5

|Jan low C = 2.7

|Feb low C = 3.0

|Mar low C = 4.0

|Apr low C = 5.5

|May low C = 8.6

|Jun low C = 11.2

|Jul low C = 12.6

|Aug low C = 12.5

|Sep low C = 10.4

|Oct low C = 8.4

|Nov low C = 5.1

|Dec low C = 2.7

|year low C = 7.2

|Jan record low C = -8.3

|Feb record low C = -7.6

|Mar record low C = -7.0

|Apr record low C = -2.6

|May record low C = -0.8

|Jun record low C = 3.0

|Jul record low C = 4.9

|Aug record low C = 5.5

|Sep record low C = 1.7

|Oct record low C = -1.9

|Nov record low C = -6.5

|Dec record low C = -7.8

|year record low C = -8.3

|precipitation colour = green

|Jan precipitation mm = 97.0

|Feb precipitation mm = 73.9

|Mar precipitation mm = 80.9

|Apr precipitation mm = 64.9

|May precipitation mm = 68.0

|Jun precipitation mm = 40.0

|Jul precipitation mm = 73.5

|Aug precipitation mm = 56.8

|Sep precipitation mm = 60.2

|Oct precipitation mm = 104.6

|Nov precipitation mm = 105.0

|Dec precipitation mm = 106.7

|year precipitation mm = 931.5

|unit precipitation days = 1.0 mm

|Jan precipitation days = 15.0

|Feb precipitation days = 12.6

|Mar precipitation days = 12.8

|Apr precipitation days = 11.3

|May precipitation days = 11.1

|Jun precipitation days = 6.8

|Jul precipitation days = 9.8

|Aug precipitation days = 7.9

|Sep precipitation days = 8.1

|Oct precipitation days = 13.6

|Nov precipitation days = 14.5

|Dec precipitation days = 14.9

|year precipitation days = 138.5

|source 1 = Meteociel{{cite web|url=https://www.meteociel.fr/obs/clim/normales_records.php?code=22147006|title=Normales et records pour Merdrignac (22)|publisher=Meteociel|access-date=20 June 2022}}}}

Inhabitants of Merdrignac are called merdrignaciens in French.

{{Historical populations

|source = INSEE[https://www.insee.fr/fr/statistiques/4515315?geo=COM-22147#ancre-POP_T1 Population en historique depuis 1968], INSEE

|percentages = pagr

|align = none

|1968 |2576

|1975 |2704

|1982 |2780

|1990 |2791

|1999 |2830

|2007 |2921

|2012 |2895

|2017 |2930

}}

• Communes of the Côtes-d'Armor department

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Category:Communes of Côtes-d'Armor

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