36 places · 1991–2020 normals

Where is it
cool in January?

Daytime highs of 5–16°C, for escaping a northern summer or avoiding heat.

January normals for places qualifying as cool — one place per weather station, at most three per country, largest first
PlaceDayNightRainWet days
WuhanChina8.4°C0.8°C57 mm8
TokyoJapan10.1°C1.9°C49 mm4
Xi’anChina5.2°C-3.1°C7 mm2
NanjingChina7.2°C-0.4°C62 mm8
LondonUnited Kingdom7.5°C2.1°C74 mm13
TehranIran8.9°C0.8°C35 mm4
YokohamaJapan10.2°C2.1°C53 mm4
MadridSpain10°C3°C32 mm6
BursaTurkey9.7°C1.4°C81 mm11
OsakaJapan9.7°C2.4°C41 mm5
RomeItaly12°C3.3°C67 mm8
MashhadIran8.6°C-2°C24 mm3
GaziantepTurkey9.1°C-0.8°C83 mm10
ParisFrance7.8°C2.8°C35 mm8
TashkentUzbekistan7.2°C-1.3°C58 mm9
DiyarbakırTurkey7.3°C-2.9°C73 mm10
PhiladelphiaUnited States5°C-2.2°C95 mm9
Ciudad JuárezMexico14.9°C0.9°C10 mm2
MilanItaly7.9°C2°C64 mm6
DallasUnited States14.1°C3.3°C64 mm5
BelgradeSerbia5.2°C-0.7°C48 mm8
ShirazIran12.9°C0.3°C70 mm5
KölnGermany6.3°C1.6°C64 mm13
DublinIreland8.3°C2°C66 mm14
BrusselsBelgium6.2°C1.2°C78 mm13
San JoseUnited States15.4°C5.5°C57 mm7
NaplesItaly13.1°C3.1°C99 mm9
RotterdamThe Netherlands6.4°C1.3°C70 mm13
AmsterdamThe Netherlands6.2°C1.2°C67 mm12
ZaragozaSpain11°C2.9°C25 mm5
AthensGreece13.5°C6.7°C48 mm6
ZagrebCroatia5.4°C-0.1°C45 mm6
VancouverCanada7.4°C3.2°C217 mm17
Frankfurt am MainGermany5°C0.5°C52 mm10
GlasgowUnited Kingdom7.3°C1.7°C147 mm17
DüsseldorfGermany6°C0.5°C61 mm12

Lists are capped at one place per station because roughly a hundred settlements share each one, and at three per country so a single large country cannot fill the table. A place missing here is not disqualified — it may simply sit behind a bigger neighbour on the same station.